{"id":8759,"date":"2022-06-10T13:19:37","date_gmt":"2022-06-10T13:19:37","guid":{"rendered":"https:\/\/thecharge.ca\/?p=8759"},"modified":"2022-06-10T13:19:37","modified_gmt":"2022-06-10T13:19:37","slug":"que-sont-devenues-les-piles-a-hydrogene","status":"publish","type":"post","link":"https:\/\/thecharge.ca\/fr\/top-stories-fr\/que-sont-devenues-les-piles-a-hydrogene\/","title":{"rendered":"Que sont devenues les piles \u00e0 hydrog\u00e8ne?"},"content":{"rendered":"<p><input class=\"article-logo-brand\" name=\"article-logo-brand\" type=\"hidden\" value=\"charge\" \/><br \/>\nL\u2019\u00e8re de l\u2019hydrog\u00e8ne, tant annonc\u00e9e, \u00e9tait autrefois un sujet br\u00fblant. Le battage m\u00e9diatique dont elle a fait l\u2019objet a incit\u00e9 Mercedes-Benz \u00e0 faire parcourir \u00e0 trois Classe B F-Cell \u2013 un v\u00e9hicule \u00e9lectrique \u00e0 pile \u00e0 combustible (PAC) \u2013 30 000 kilom\u00e8tres autour du monde pour prouver la viabilit\u00e9 de ce mod\u00e8le.<\/p>\n<p>Mais tout cela remonte \u00e0 2011. Depuis lors, gr\u00e2ce \u00e0 la popularit\u00e9 des v\u00e9hicules \u00e9lectriques \u00e0 batterie (VEB) et au succ\u00e8s de Tesla, Mercedes a annonc\u00e9 qu\u2019elle n\u2019investirait plus dans les v\u00e9hicules \u00e0 PAC, du moins pas pour le march\u00e9 des voitures automobiles, et c\u2019est la m\u00eame chose pour de nombreux acteurs majeurs de l\u2019industrie.<\/p>\n<div id=\"attachment_8760\" style=\"width: 1810px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-8760\" class=\"size-full wp-image-8760\" src=\"https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-B-Class-World-Drive-FCEV1.jpg\" alt=\"Mercedes-Benz F-CELL\" width=\"1800\" height=\"1200\" srcset=\"https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-B-Class-World-Drive-FCEV1.jpg 1800w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-B-Class-World-Drive-FCEV1-1280x853.jpg 1280w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-B-Class-World-Drive-FCEV1-980x653.jpg 980w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-B-Class-World-Drive-FCEV1-480x320.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1800px, 100vw\" \/><p id=\"caption-attachment-8760\" class=\"wp-caption-text\">Mercedes-Benz F-CELL<\/p><\/div>\n<p>L\u2019argument en faveur de l\u2019utilisation de la ressource naturelle renouvelable la plus abondante de la plan\u00e8te comme carburant est pourtant tr\u00e8s solide. Les voitures automobiles \u00e0 essence actuelles sont \u00e0 l\u2019origine de 12 % des \u00e9missions totales de gaz \u00e0 effet de serre, et la production d\u2019\u00e9lectricit\u00e9 \u00e0 partir du charbon rejette dans l\u2019air pr\u00e8s de trois fois cette quantit\u00e9 (30 %). Cela signifie que si un VEB repr\u00e9sente une solution \u00ab z\u00e9ro \u00e9mission locale \u00bb, son effet sur la qualit\u00e9 de l\u2019air est minime si l\u2019\u00e9lectricit\u00e9 n\u00e9cessaire pour en recharger la batterie provient d\u2019une ressource sale.<\/p>\n<p>Si vous comparez la Nissan Leaf \u00e9lectrique et la Sentra \u00e0 essence, deux voitures de taille similaire, la propret\u00e9 relative de chacune d\u2019elles varie en fonction de l\u2019endroit o\u00f9 elle est conduite. En Norv\u00e8ge, la Leaf est cinq fois plus propre que la Sentra. Au Canada, les deux sont \u00e0 peu pr\u00e8s \u00e9gales en termes d\u2019\u00e9missions globales. En Chine, la Leaf est cinq fois plus sale que la Sentra.<\/p>\n<div id=\"attachment_8766\" style=\"width: 1810px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-8766\" class=\"size-full wp-image-8766\" src=\"https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Mirai-FCEV.jpg\" alt=\"Toyota Mirai fuel cell\" width=\"1800\" height=\"1200\" srcset=\"https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Mirai-FCEV.jpg 1800w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Mirai-FCEV-1280x853.jpg 1280w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Mirai-FCEV-980x653.jpg 980w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Mirai-FCEV-480x320.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1800px, 100vw\" \/><p id=\"caption-attachment-8766\" class=\"wp-caption-text\">Toyota Mirai fuel cell<\/p><\/div>\n<p>Cela se r\u00e9sume \u00e0 la mani\u00e8re dont l\u2019\u00e9lectricit\u00e9 est produite. En Norv\u00e8ge, il s\u2019agit d\u2019une production hydro\u00e9lectrique propre. Au Canada, il s\u2019agit d\u2019un m\u00e9lange de nucl\u00e9aire, de gaz naturel, de charbon et d\u2019hydro\u00e9lectricit\u00e9, de sorte qu\u2019une grande partie du bon c\u00f4t\u00e9 est annul\u00e9e par les \u00e9missions du mauvais. Qui plus est, certaines des centrales au charbon du Canada devraient rester en service jusqu\u2019en 2030. Par une ironie du sort, le gouvernement canadien souhaite qu\u2019au moins 60 % des ventes de nouveaux v\u00e9hicules l\u00e9gers soient exempts d\u2019\u00e9missions d\u2019ici l\u00e0, et 100 % d\u2019ici 2035.<\/p>\n<p>En Chine, la grande majorit\u00e9 de la production d\u2019\u00e9lectricit\u00e9 est assur\u00e9e par le charbon. En 2021, 58 % de la consommation \u00e9nerg\u00e9tique totale du pays \u00e9tait assur\u00e9e par le charbon, ce qui explique en partie pourquoi la Chine contribue \u00e0 28 % des \u00e9missions de dioxyde de carbone dans le monde.<\/p>\n<p>Il ne s\u2019agit pas de d\u00e9nigrer la gamme actuelle de v\u00e9hicules \u00e9lectriques \u00e0 faible consommation, mais plut\u00f4t de souligner que tant que l\u2019\u00e9lectricit\u00e9 ne sera pas produite \u00e0 partir de ressources propres et renouvelables, l\u2019am\u00e9lioration de la qualit\u00e9 de l\u2019air restera relativement faible. C\u2019est \u00e9galement vrai pour l\u2019hydrog\u00e8ne, qui doit \u00e9galement provenir de ressources propres.<\/p>\n<div id=\"attachment_8762\" style=\"width: 1810px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-8762\" class=\"size-full wp-image-8762\" src=\"https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Nexo-FCEV2.jpg\" alt=\"Hyundai Nexo FCEV refilling with hydrogen\" width=\"1800\" height=\"1200\" srcset=\"https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Nexo-FCEV2.jpg 1800w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Nexo-FCEV2-1280x853.jpg 1280w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Nexo-FCEV2-980x653.jpg 980w, https:\/\/thecharge.ca\/wp-content\/uploads\/2022\/06\/Stock-Nexo-FCEV2-480x320.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1800px, 100vw\" \/><p id=\"caption-attachment-8762\" class=\"wp-caption-text\">Hyundai Nexo FCEV refilling with hydrogen<\/p><\/div>\n<p>Cependant, l\u00e0 o\u00f9 le v\u00e9hicule \u00e0 PAC prend tout son sens, c\u2019est qu\u2019il peut offrir une plus grande autonomie, que le temps de ravitaillement est tr\u00e8s proche de celui d\u2019un plein d\u2019essence et que son empreinte carbone est plus faible que celle d\u2019un VEB. Les seuls sous-produits sont l\u2019eau et l\u2019air purifi\u00e9, et il n\u2019y a pas de batterie aux ions de lithium \u00e0 g\u00e9rer \u00e0 la fin de sa vie utile (ou une tr\u00e8s petite batterie, tout au plus). L\u2019hydrog\u00e8ne a \u00e9galement la densit\u00e9 \u00e9nerg\u00e9tique de son c\u00f4t\u00e9. Un kilogramme d\u2019hydrog\u00e8ne g\u00e9n\u00e8re la m\u00eame \u00e9nergie que 2,8 kilogrammes d\u2019essence. Cependant, le plus grand avantage est le fait qu\u2019un v\u00e9hicule \u00e0 PAC offre des performances et une autonomie sans compromis dans les climats froids.<\/p>\n<p>Tout VEB perd de l\u2019autonomie en hiver, notamment en raison de la n\u00e9cessit\u00e9 pour la batterie d\u2019alimenter des syst\u00e8mes auxiliaires autres que le ou les moteurs \u00e9lectriques. Par une nuit froide et humide, la liste va des feux, des essuie-glaces et, \u00e9ventuellement, de la lunette arri\u00e8re chauffante \u00e0 la n\u00e9cessit\u00e9 de garder les passagers au chaud. L\u2019ampleur de la perte d\u2019autonomie est sujette \u00e0 d\u00e9bat. La F\u00e9d\u00e9ration automobile norv\u00e9gienne affirme que la baisse est de 20 %; l\u2019AAA, aux \u00c9tats-Unis, affirme que ce chiffre peut atteindre \u00ab 41 % avec le chauffage \u00e0 fond \u00bb. L\u2019exp\u00e9rience pratique a montr\u00e9 que les Ford Mustang Mach-E et Hyundai Ioniq\/Kia EV6 peuvent perdre plus de 100 kilom\u00e8tres d\u2019autonomie lorsque le mercure descend \u00e0 -10 \u00b0C.<\/p>\n<p>La pile \u00e0 combustible est loin d\u2019\u00eatre nouvelle. En 1842, William Grove a produit une \u00ab batterie \u00e0 gaz \u00bb. Il a utilis\u00e9 l\u2019\u00e9lectrolyse inverse pour combiner l\u2019oxyg\u00e8ne et l\u2019hydrog\u00e8ne afin de produire de l\u2019eau et de l\u2019\u00e9lectricit\u00e9. M\u00eame si cette invention \u00e9tait magistrale, elle n\u2019a pas abouti, car cette nouvelle source d\u2019\u00e9nergie appel\u00e9e essence s\u2019appr\u00eatait \u00e0 s\u2019imposer et \u00e0 devenir le carburant dominant pour les 136 prochaines ann\u00e9es. La pile \u00e0 combustible a fait son retour gr\u00e2ce \u00e0 la NASA \u2013 les astronautes avaient besoin d\u2019\u00e9lectricit\u00e9 et d\u2019eau potable. La pile \u00e0 combustible permet de fournir les deux.<\/p>\n<p>La pierre d\u2019achoppement du v\u00e9hicule \u00e0 PAC saute aux yeux : il n\u2019y a pratiquement aucun endroit o\u00f9 faire le plein. En Californie, le gouverneur de l\u2019\u00e9poque, Arnold Schwarzenegger, faisait la promotion de son projet d\u2019\u00ab autoroute \u00e0 hydrog\u00e8ne \u00bb. Selon lui, cela permettrait aux propri\u00e9taires de v\u00e9hicules \u00e0 hydrog\u00e8ne de disposer d\u2019une infrastructure de ravitaillement viable. Selon le California Fuel Cell Partnership, il n\u2019existe pas plus de 53 stations de ravitaillement en hydrog\u00e8ne dans l\u2019\u00c9tat. En revanche, on comptait 8 269 stations-service en 2019. Le bon c\u00f4t\u00e9 des choses est que neuf autres stations d\u2019hydrog\u00e8ne sont en cours de construction et que 162 autres sont pr\u00e9vues.<\/p>\n<div id=\"attachment_3799\" style=\"width: 2410px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3799\" class=\"size-full wp-image-3799\" src=\"https:\/\/thecharge.ca\/wp-content\/uploads\/2021\/10\/AZ-FCEV-Mirai_Fuel_Cell_3.jpg\" alt=\"Toyota Mirai FCEV\" width=\"2400\" height=\"1672\" srcset=\"https:\/\/thecharge.ca\/wp-content\/uploads\/2021\/10\/AZ-FCEV-Mirai_Fuel_Cell_3.jpg 2400w, https:\/\/thecharge.ca\/wp-content\/uploads\/2021\/10\/AZ-FCEV-Mirai_Fuel_Cell_3-1280x892.jpg 1280w, https:\/\/thecharge.ca\/wp-content\/uploads\/2021\/10\/AZ-FCEV-Mirai_Fuel_Cell_3-980x683.jpg 980w, https:\/\/thecharge.ca\/wp-content\/uploads\/2021\/10\/AZ-FCEV-Mirai_Fuel_Cell_3-480x334.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2400px, 100vw\" \/><p id=\"caption-attachment-3799\" class=\"wp-caption-text\">Mirai_Fuel_Cell_3<\/p><\/div>\n<p>Au Canada, Gordon Campbell, alors premier ministre de la Colombie-Britannique, avait annonc\u00e9 des plans pour une s\u00e9rie de stations publiques de ravitaillement en hydrog\u00e8ne entre Vancouver et Whistler. Cela faisait partie d\u2019un plan directeur qui devait contribuer \u00e0 faire des Jeux olympiques d\u2019hiver de 2010 les plus durables jamais organis\u00e9s! Aujourd\u2019hui, il n\u2019y a que cinq stations publiques de ravitaillement en hydrog\u00e8ne en Colombie-Britannique. Ce qui est encore plus triste, c\u2019est qu\u2019il n\u2019y a que deux stations dans le reste du Canada \u2013 une \u00e0 Mississauga et une \u00e0 Qu\u00e9bec. Encore une fois, \u00e0 titre de r\u00e9f\u00e9rence, il y avait 11 908 stations-service au d\u00e9tail au Canada en 2020, selon l\u2019Association canadienne des carburants.<\/p>\n<p>L\u2019ironie du sort veut que le Canada soit l\u2019un des dix premiers producteurs d\u2019hydrog\u00e8ne au monde. L\u2019objectif serait de tirer parti de cette position \u00e0 l\u2019avenir. La Strat\u00e9gie canadienne pour l\u2019hydrog\u00e8ne, un rapport publi\u00e9 en d\u00e9cembre 2020, pr\u00e9voit que d\u2019ici 2050, il y aura quelque cinq millions de v\u00e9hicules \u00e9lectriques \u00e0 PAC sur les routes et qu\u2019ils seront soutenus par une infrastructure de ravitaillement \u00e0 l\u2019\u00e9chelle nationale. Bon courage! Au moment o\u00f9 on se parle, seuls deux mod\u00e8les de v\u00e9hicules \u00e9lectriques \u00e0 PAC sont vendus au Canada : le Hyundai Nexo et le Toyota Mirai.<\/p>\n<p>\u00c0 l\u2019heure actuelle, il y a environ 200 v\u00e9hicules \u00e9lectriques \u00e0 PAC sur les routes canadiennes, ce qui est un nombre n\u00e9gligeable si on le compare aux quelque 24 millions de v\u00e9hicules utilitaires l\u00e9gers en circulation au pays. En d\u2019autres termes, tant que le nombre de v\u00e9hicules \u00e9lectriques \u00e0 PAC n\u2019augmentera pas, l\u2019infrastructure ne suivra pas. Et tant que l\u2019infrastructure ne sera pas viable, o\u00f9 est l\u2019int\u00e9r\u00eat d\u2019utiliser la ressource naturelle la plus abondante de la plan\u00e8te comme carburant?<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Autrefois pr\u00e9sent\u00e9e comme l\u2019avenir du transport, cette technologie a \u00e9t\u00e9 laiss\u00e9e de c\u00f4t\u00e9 par les VEB<!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":35,"featured_media":8764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[150,147],"tags":[],"class_list":["post-8759","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-en-vedette","category-top-stories-fr","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Que sont devenues les piles \u00e0 hydrog\u00e8ne? 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