{"id":121960,"date":"2025-08-21T11:03:02","date_gmt":"2025-08-21T09:03:02","guid":{"rendered":"https:\/\/xometry.pro\/stories\/cellsius-h2-sling-hydrogen-flight\/"},"modified":"2025-09-05T15:27:10","modified_gmt":"2025-09-05T13:27:10","slug":"zero-emission-alpes-vol-hydrogene-celsius","status":"publish","type":"stories","link":"https:\/\/xometry.pro\/fr\/temoignages\/zero-emission-alpes-vol-hydrogene-celsius\/","title":{"rendered":"Z\u00e9ro \u00e9mission \u00e0 travers les Alpes : comment Cellsius rend le vol \u00e0 hydrog\u00e8ne possible"},"content":{"rendered":"\n<p>Bonjour, nous sommes <a href=\"https:\/\/cellsius.aero\/\">Cellsius<\/a>, une \u00e9quipe d\u2019ing\u00e9nierie \u00e9tudiante de l\u2019<a href=\"https:\/\/ethz.ch\/en.html\">ETH Zurich<\/a>. Avec <em>Project H2<\/em>, nous nous sommes fix\u00e9 un objectif ambitieux : effectuer un vol sans aucune \u00e9mission au-dessus du <a href=\"#gotthard-pass\">col du Gothard<\/a>, uniquement gr\u00e2ce \u00e0 l\u2019hydrog\u00e8ne.<\/p>\n\n\n    <aside data-id=\"gotthard-pass\" class=\"aside-popup\">\r\n        <div class=\"popup-content\">\r\n            <div class=\"popup-close-btn\">\r\n                <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/themes\/xometry\/assets\/images\/cross.svg\" alt=\"close-popup\">\r\n            <\/div>\r\n            <div>\r\n                <div class=\"popup-text\">Le col du Gothard, situ\u00e9 \u00e0 2 106 m\u00e8tres d\u2019altitude, est un axe alpin majeur traversant le massif du Saint-Gothard et reliant le nord et le sud de la Suisse.<\/div>            <\/div>\r\n                    <\/div>\r\n    <\/aside>\r\n\n\n\n<p>Au c\u0153ur de cette mission se trouve le <a href=\"https:\/\/cellsius.aero\/h2-sling\">H2-Sling<\/a>&nbsp; &#8211;&nbsp; un avion ultra-l\u00e9ger enti\u00e8rement modifi\u00e9 que nous avons d\u00e9velopp\u00e9 et construit nous-m\u00eames, de A \u00e0 Z. Ce projet incarne non seulement l\u2019innovation technique, mais aussi l\u2019engagement de notre g\u00e9n\u00e9ration \u00e0 faire converger durabilit\u00e9 environnementale et ing\u00e9nierie appliqu\u00e9e.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-passion-commune-pour-une-ingenierie-durable\"><strong><strong>Une passion commune pour une ing\u00e9nierie durable<\/strong><\/strong><\/h2>\n\n\n<p>D\u00e8s le d\u00e9part, notre mission \u00e9tait claire : prouver qu\u2019un vol sans \u00e9mission est possible avec les technologies actuelles. Pas de science-fiction, juste une int\u00e9gration intelligente, un bon design et des tests rigoureux. Nous avons choisi la plateforme <a href=\"https:\/\/slingaircraft.com\/aircraft\/sling-hw\/\">Sling High Wing <\/a>pour son \u00e9quilibre entre charge utile, simplicit\u00e9 et modularit\u00e9&nbsp; &#8211;&nbsp; puis nous l\u2019avons repens\u00e9e autour d\u2019une motorisation enti\u00e8rement nouvelle.<\/p>\n\n\n\n<p>Nous avons con\u00e7u et int\u00e9gr\u00e9 tous les syst\u00e8mes en interne : de l\u2019agencement de la pile \u00e0 combustible \u00e0 la gestion \u00e9nerg\u00e9tique, en passant par le syst\u00e8me de refroidissement, les adaptations m\u00e9caniques et les renforts structurels. Le r\u00e9sultat ? Un avion qui a d\u00e9j\u00e0 vol\u00e9&nbsp; &#8211;&nbsp; et qui se pr\u00e9pare maintenant \u00e0 traverser les Alpes, uniquement propuls\u00e9 par l\u2019hydrog\u00e8ne.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/H2-Sling-1024x683.jpg\" alt=\"\" class=\"wp-image-120795\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/H2-Sling-1024x683.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/H2-Sling-300x200.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/H2-Sling-768x512.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/H2-Sling-scaled.jpg\" data-fancybox=\"gallery-121960\" data-caption=\"Le H2-Sling, avion \u00e0 hydrog\u00e8ne d\u00e9velopp\u00e9 par l\u2019\u00e9quipe Cellsius\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/H2-Sling-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Le H2-Sling, avion \u00e0 hydrog\u00e8ne d\u00e9velopp\u00e9 par l\u2019\u00e9quipe Cellsius<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-decoller-grace-a-l-hydrogene\"><strong><strong>D\u00e9coller gr\u00e2ce \u00e0 l\u2019hydrog\u00e8ne<\/strong><\/strong><\/h2>\n\n\n<p>Le secteur a\u00e9rien est sous pression pour r\u00e9duire ses \u00e9missions de carbone. Pour nous, l\u2019hydrog\u00e8ne est une solution \u00e9vidente. Au c\u0153ur de notre syst\u00e8me : <a href=\"#PEM-fuel-cell\">une pile \u00e0 hydrog\u00e8ne PEM<\/a>, qui produit de l\u2019\u00e9lectricit\u00e9 \u00e0 partir d\u2019hydrog\u00e8ne et d\u2019air ambiant&nbsp; &#8211;&nbsp; silencieuse, propre et efficace. Elle alimente un moteur \u00e9lectrique l\u00e9ger, compl\u00e9t\u00e9 par une batterie tampon pour les pics de puissance et une unit\u00e9 de contr\u00f4le personnalis\u00e9e pour la gestion de l\u2019\u00e9nergie, le diagnostic et la s\u00e9curit\u00e9.<br><\/p>\n\n\n    <aside data-id=\"PEM-fuel-cell\" class=\"aside-popup\">\r\n        <div class=\"popup-content\">\r\n            <div class=\"popup-close-btn\">\r\n                <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/themes\/xometry\/assets\/images\/cross.svg\" alt=\"close-popup\">\r\n            <\/div>\r\n            <div>\r\n                <div class=\"popup-text\">Les piles \u00e0 combustible \u00e0 membrane \u00e9changeuse de protons (PEM) g\u00e9n\u00e8rent de l\u2019\u00e9lectricit\u00e9 en combinant hydrog\u00e8ne et oxyg\u00e8ne, ne produisant que de l\u2019eau et de la chaleur comme sous-produits. Elles fonctionnent \u00e0 des temp\u00e9ratures relativement basses, sont l\u00e9g\u00e8res et font l\u2019objet de nombreuses recherches pour les v\u00e9hicules, les sources d\u2019\u00e9nergie portables et les applications en \u00e9nergies propres.<\/div>            <\/div>\r\n                    <\/div>\r\n    <\/aside>\r\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-electric-motor-1024x683.jpg\" alt=\"\" class=\"wp-image-120663\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-electric-motor-1024x683.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-electric-motor-300x200.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-electric-motor-768x512.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-electric-motor-scaled.jpg\" data-fancybox=\"gallery-121960\" data-caption=\"Moteur \u00e9lectrique haute performance pour la propulsion \u00e0 hydrog\u00e8ne\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-electric-motor-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Moteur \u00e9lectrique haute performance pour la propulsion \u00e0 hydrog\u00e8ne<\/figcaption><\/figure>\n\n\n\n<p>L\u2019avion embarque 5,2 kg d\u2019hydrog\u00e8ne stock\u00e9 dans des r\u00e9servoirs \u00e0 haute pression, offrant une autonomie de 200 km et un temps de vol de 2 heures \u00e0 162 km\/h.<\/p>\n\n\n\n<p>Notre objectif \u00e9tait une puissance proche des 100 kW, assurant un vol stable m\u00eame dans les conditions alpines. Nous avons pr\u00eat\u00e9 une attention particuli\u00e8re au poids et au comportement thermique, optant pour un refroidissement par air et une surveillance thermique continue. Le d\u00e9fi majeur ? Atteindre cette performance tout en respectant les normes de s\u00e9curit\u00e9 a\u00e9ronautique.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-la-precision-cle-de-voute-du-projet\"><strong><strong>La pr\u00e9cision, cl\u00e9 de vo\u00fbte du projet<\/strong><\/strong><\/h2>\n\n\n<p>L\u2019un des \u00e9l\u00e9ments structurels les plus critiques du syst\u00e8me est <strong>la platine sup\u00e9rieure<\/strong>&nbsp; &#8211;&nbsp; une pi\u00e8ce en aluminium usin\u00e9e sur mesure, reliant la pile \u00e0 combustible aux composants auxiliaires. Elle supporte les charges m\u00e9caniques, garantit l\u2019alignement structurel et constitue le socle de notre syst\u00e8me \u00e9nerg\u00e9tique.<\/p>\n\n\n    <section class=\"article-slider-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <!-- Swiper -->\r\n            <div class=\"swiper mySwiper2 article-slider-display\">\r\n                <div class=\"swiper-wrapper\">\r\n                                                <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-top-plate-1-scaled.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-top-plate-1-scaled.jpg\" data-fancybox=\"gallery\" data-caption=\"Plaque sup\u00e9rieure en aluminium usin\u00e9e CNC\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-top-plate-1-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><span style=\"font-weight: 400;\">Plaque sup\u00e9rieure en aluminium usin\u00e9e CNC<\/span><\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-top-plate-2-scaled.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-top-plate-2-scaled.jpg\" data-fancybox=\"gallery\" data-caption=\"Plaque sup\u00e9rieure en aluminium usin\u00e9e CNC\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-top-plate-2-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><span style=\"font-weight: 400;\">Plaque sup\u00e9rieure en aluminium usin\u00e9e CNC<\/span><\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                            <\/div>\r\n            <\/div>\r\n            <div thumbsSlider=\"\" class=\"swiper mySwiper article-slider-list\">\r\n                <div class=\"swiper-wrapper\">\r\n                                            <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-top-plate-1-scaled.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-top-plate-2-scaled.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                        <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n    \n\n\n<p>Nous l\u2019avons con\u00e7ue avec un rapport r\u00e9sistance\/poids optimal, associant tol\u00e9rances serr\u00e9es et g\u00e9om\u00e9trie complexe. Sa fabrication d\u00e9passant nos capacit\u00e9s internes, nous avons confi\u00e9 sa r\u00e9alisation \u00e0 un partenaire externe. <a href=\"https:\/\/get.xometry.eu\/?locale=fr\">La plateforme de fabrication num\u00e9rique de Xometry<\/a> s\u2019est r\u00e9v\u00e9l\u00e9e id\u00e9ale : commande facile, livraison conforme aux sp\u00e9cifications\u00a0 &#8211;\u00a0 un vrai gain de temps pour rester dans les d\u00e9lais.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate.png\" alt=\"\" class=\"wp-image-120651\" style=\"max-width:450px;height:auto\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate.png 1000w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate-300x300.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate-150x150.png 150w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate-768x768.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate-84x84.png 84w, https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate-102x102.png 102w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate.png\" data-fancybox=\"gallery-121960\" data-caption=\"Rendu 3D de la plaque sup\u00e9rieure en aluminium usin\u00e9e CNC\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-3d-top-plate.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Rendu 3D de la plaque sup\u00e9rieure en aluminium usin\u00e9e CNC<\/figcaption><\/figure>\n\n\n\n<p>Pour le reste de l\u2019assemblage, nous avons produit la majorit\u00e9 des pi\u00e8ces en interne, avec un m\u00e9lange de fibre de carbone, d\u2019aluminium usin\u00e9 et de t\u00f4le. Notre priorit\u00e9 : la l\u00e9g\u00e8ret\u00e9, la facilit\u00e9 d\u2019assemblage et la maintenance \u00e0 long terme. Chaque pi\u00e8ce a \u00e9t\u00e9 pens\u00e9e pour la fabrication&nbsp; &#8211;&nbsp; en limitant les op\u00e9rations superflues et en \u00e9vitant la complexit\u00e9 inutile. Pour les \u00e9l\u00e9ments exigeant une haute pr\u00e9cision comme la platine, l\u2019externalisation \u00e9tait non seulement utile, mais essentielle \u00e0 la r\u00e9ussite du projet.<\/p>\n\n\n    <section class=\"article-slider-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <!-- Swiper -->\r\n            <div class=\"swiper mySwiper2 article-slider-display\">\r\n                <div class=\"swiper-wrapper\">\r\n                                                <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-inverter-1-scaled.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-inverter-1-scaled.jpg\" data-fancybox=\"gallery\" data-caption=\"Onduleur d\u00e9velopp\u00e9 en interne pour le moteur \u00e9lectrique\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-inverter-1-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><span style=\"font-weight: 400;\">Onduleur d\u00e9velopp\u00e9 en interne pour le moteur \u00e9lectrique<\/span><\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-inverter-2-scaled.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-inverter-2-scaled.jpg\" data-fancybox=\"gallery\" data-caption=\"Onduleur d\u00e9velopp\u00e9 en interne pour le moteur \u00e9lectrique\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-inverter-2-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><span style=\"font-weight: 400;\">Onduleur d\u00e9velopp\u00e9 en interne pour le moteur \u00e9lectrique<\/span><\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                            <\/div>\r\n            <\/div>\r\n            <div thumbsSlider=\"\" class=\"swiper mySwiper article-slider-list\">\r\n                <div class=\"swiper-wrapper\">\r\n                                            <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-inverter-1-scaled.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-inverter-2-scaled.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                        <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n    \n\n<h2 class=\"wp-block-heading\" id=\"h-transformer-les-defis-en-apprentissages\"><strong><strong>Transformer les d\u00e9fis en apprentissages<\/strong><\/strong><\/h2>\n\n\n<p>Les derni\u00e8res semaines de travail sur la pile \u00e0 hydrog\u00e8ne, juste avant les f\u00eates d\u2019hiver, ont mis notre engagement \u00e0 l\u2019\u00e9preuve. De longues journ\u00e9es&nbsp; &#8211;&nbsp; et nuits&nbsp; &#8211;&nbsp; consacr\u00e9es aux pr\u00e9paratifs des tests en charge.<\/p>\n\n\n    <section class=\"article-slider-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <!-- Swiper -->\r\n            <div class=\"swiper mySwiper2 article-slider-display\">\r\n                <div class=\"swiper-wrapper\">\r\n                                                <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-1-scaled.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-1-scaled.jpg\" data-fancybox=\"gallery\" data-caption=\"Syst\u00e8me de pile \u00e0 combustible du H2-Sling\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-1-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><span style=\"font-weight: 400;\">Syst\u00e8me de pile \u00e0 combustible du H2-Sling<\/span><\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-2-scaled.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-2-scaled.jpg\" data-fancybox=\"gallery\" data-caption=\"Syst\u00e8me de pile \u00e0 combustible du H2-Sling\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-2-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><span style=\"font-weight: 400;\">Syst\u00e8me de pile \u00e0 combustible du H2-Sling<\/span><\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-3-scaled.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-3-scaled.jpg\" data-fancybox=\"gallery\" data-caption=\"Syst\u00e8me de pile \u00e0 combustible du H2-Sling\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-3-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><span style=\"font-weight: 400;\">Syst\u00e8me de pile \u00e0 combustible du H2-Sling<\/span><\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                            <\/div>\r\n            <\/div>\r\n            <div thumbsSlider=\"\" class=\"swiper mySwiper article-slider-list\">\r\n                <div class=\"swiper-wrapper\">\r\n                                            <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-1-scaled.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-2-scaled.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-fuel-cell-3-scaled.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                        <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n    \n\n\n<p>Et puis, enfin, le grand moment : apr\u00e8s un an de d\u00e9veloppement, voir le syst\u00e8me s\u2019animer pour la premi\u00e8re fois \u00e9tait tout simplement magique. L\u2019instant o\u00f9 la th\u00e9orie devient r\u00e9alit\u00e9. Au-del\u00e0 de la technique, c\u2019est aussi une belle le\u00e7on de vie : prendre ses responsabilit\u00e9s, r\u00e9soudre des impr\u00e9vus, d\u00e9cider sous pression\u2026 autant de comp\u00e9tences que nous avons acquises ensemble.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-project-h2-sling-high-wing-e1755766826550-1024x633.jpg\" alt=\"\" class=\"wp-image-120735\" style=\"max-width:777px;height:auto\"\/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-project-h2-sling-high-wing-e1755766826550.jpg\" data-fancybox=\"gallery-121960\" data-caption=\"L\u2019\u00e9quipe derri\u00e8re le projet H2-Sling \u00e0 hydrog\u00e8ne de l\u2019ETH Zurich\" aria-label=\"Open full image\"0><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/08\/cellsius-aero-project-h2-sling-high-wing-e1755766826550.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">L\u2019\u00e9quipe derri\u00e8re le projet H2-Sling \u00e0 hydrog\u00e8ne de l\u2019ETH Zurich<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-et-maintenant-hydrogene-liquide-et-fabrication-additive\"><strong><strong>Et maintenant ? Hydrog\u00e8ne liquide et fabrication additive<\/strong><\/strong><\/h2>\n\n\n<p>Apr\u00e8s ce premier vol r\u00e9ussi, notre prochain objectif est de traverser les Alpes gr\u00e2ce \u00e0 l\u2019hydrog\u00e8ne. En parall\u00e8le, nous pr\u00e9parons le passage de l\u2019hydrog\u00e8ne comprim\u00e9 \u00e0 l\u2019hydrog\u00e8ne liquide&nbsp; &#8211;&nbsp; une \u00e9volution qui am\u00e9liorerait consid\u00e9rablement le rapport \u00e9nergie\/poids. Cela implique de nouveaux syst\u00e8mes de stockage, d\u2019isolation et de gestion du carburant adapt\u00e9s aux conditions cryog\u00e9niques.<\/p>\n\n\n\n<p>La fabrication additive jouera \u00e9galement un r\u00f4le cl\u00e9. Combin\u00e9e \u00e0 la conception g\u00e9n\u00e9rative assist\u00e9e par IA, l\u2019impression 3D permet de cr\u00e9er des pi\u00e8ces plus l\u00e9g\u00e8res, efficaces et complexes&nbsp; &#8211;&nbsp; surtout quand l\u2019espace est r\u00e9duit et que chaque gramme compte. Nous ciblons notamment les supports et fixations, o\u00f9 chaque optimisation g\u00e9om\u00e9trique offre un gain r\u00e9el.<\/p>\n\n\n\n<p>La fabrication num\u00e9rique nous permet d\u2019it\u00e9rer rapidement et de concevoir avec plus de flexibilit\u00e9 que les m\u00e9thodes classiques. Associ\u00e9s \u00e0 la simulation et au prototypage en interne, ces outils nous rapprochent d\u2019un objectif \u00e0 long terme : concevoir un avion non seulement sans \u00e9mission, mais aussi plus silencieux, plus \u00e9conomique et adapt\u00e9 aux vols de formation ou de loisir durables.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-alpha-channel-opacity has-background\" style=\"background-color:#f5f7f8;color:#f5f7f8\"\/>\n\n\n\n<p><strong>Souhaitez-vous partager vos propres exp\u00e9riences en mati\u00e8re d\u2019ing\u00e9nierie durable ? <\/strong>Racontez-nous votre approche et ce que vous en avez retenu !<\/p>\n","protected":false},"author":49,"featured_media":120752,"comment_status":"open","ping_status":"closed","template":"","c-tag-stories":[1652],"global-tag":[1698],"class_list":["post-121960","stories","type-stories","status-publish","has-post-thumbnail","hentry","c-tag-stories-aerospatial","global-tag-usinage-cnc"],"acf":[],"yoast_head":"<!-- This site is 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