{"id":24886,"date":"2022-09-20T16:19:41","date_gmt":"2022-09-20T16:19:41","guid":{"rendered":"https:\/\/www.africa-press.net\/mali\/politique\/et-si-lhydrogene-sadaptait-a-tous-les-types-de-motorisation"},"modified":"2022-09-20T16:19:41","modified_gmt":"2022-09-20T16:19:41","slug":"et-si-lhydrogene-sadaptait-a-tous-les-types-de-motorisation","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/mali\/homepage-french\/et-si-lhydrogene-sadaptait-a-tous-les-types-de-motorisation","title":{"rendered":"Et si l\u2019hydrog\u00e8ne s\u2019adaptait \u00e0 tous les types de motorisation ?"},"content":{"rendered":"

Africa-Press – Mali. <\/strong><\/span>Au salon auto de Tokyo, Lexus a d\u00e9voil\u00e9 un petit v\u00e9hicule tout terrain muni d\u2019un moteur thermique 3 cylindres 1,0 litre aliment\u00e9 \u00e0 l\u2019hydrog\u00e8ne comprim\u00e9. Une avanc\u00e9e qui ouvre de nouvelles perspectives comme alternative aux batteries lithium-ion.<\/p>\n

Lexus, la division haut de gamme de Toyota, a d\u00e9velopp\u00e9 un nouveau concept, baptis\u00e9 ROV (pour Recreational Off-highway Vehicle), une voiture \u00e0 hydrog\u00e8ne unique en son genre. Sur la forme, il s\u2019agit d\u2019un buggy assez classique, avec suspension apparente, arceau de protection et pneus imposants. L\u00e0 o\u00f9 il d\u00e9tonne, c\u2019est du c\u00f4t\u00e9 de sa motorisation \u00e0 hydrog\u00e8ne. Son moteur de 1,0 litre de cylindr\u00e9e fonctionne comme un mod\u00e8le thermique classique. Il est cependant aliment\u00e9 par de l\u2019hydrog\u00e8ne issu d\u2019un r\u00e9servoir haute pression. Ce syst\u00e8me produit quasiment z\u00e9ro \u00e9mission de CO2, malgr\u00e9 une quantit\u00e9 n\u00e9gligeable d\u2019huile br\u00fbl\u00e9e pendant la conduite. Par ailleurs, la combustion rapide de l\u2019hydrog\u00e8ne augmente significativement le couple du moteur, afin d\u2019offrir les m\u00eames sensations sonores qu\u2019un bloc thermique !<\/p>\n

Lexus d\u00e9montre ainsi que, dans l\u2019absolu, l\u2019hydrog\u00e8ne pourrait servir autrement qu\u2019\u00e0 simplement alimenter un moteur \u00e9lectrique, comme c\u2019est le cas sur la fameuse Mirai, produite par sa maison-m\u00e8re Toyota. Celle-ci a d\u2019ailleurs r\u00e9cemment battu un record du monde d\u2019autonomie, pour une voiture de s\u00e9rie, en roulant plus de 1.000 km avec une seule charge d\u2019hydrog\u00e8ne.<\/p>\n

L\u2019hydrog\u00e8ne int\u00e9resse aussi les constructeurs fran\u00e7ais<\/p>\n

Pour rappel, une voiture \u00e0 hydrog\u00e8ne permet de parcourir de grandes distances sans produire la moindre \u00e9mission de CO2, le v\u00e9hicule ne d\u00e9gageant que de l\u2019eau. De plus, leur plein ne prend que quelques minutes contrairement \u00e0 une recharge en \u00e9lectricit\u00e9. Outre Toyota, Honda et Hyundai sont aujourd\u2019hui les constructeurs les plus impliqu\u00e9s dans le d\u00e9veloppement de voitures \u00e9quip\u00e9es de piles \u00e0 combustible et fonctionnant \u00e0 l\u2019hydrog\u00e8ne.<\/p>\n

En France, le groupe Renault et Stellantis (via Citro\u00ebn, Peugeot et Opel) ont d\u00e9j\u00e0 pr\u00e9sent\u00e9 leurs premiers mod\u00e8les, pour le moment limit\u00e9s \u00e0 quelques utilitaires. D\u2019autres projets plus originaux se montent \u00e9galement autour de cette technologie, \u00e0 l\u2019image du projet Hopium Machina, une berline haut de gamme destin\u00e9e \u00e0 atteindre des performances encore in\u00e9dites pour un v\u00e9hicule de s\u00e9rie \u00e0 hydrog\u00e8ne, c\u2019est-\u00e0-dire d\u00e9passer les 500 ch de puissance tout en proposant jusqu\u2019\u00e0 1000 km d\u2019autonomie. Sa production pourrait d\u00e9marrer \u00e0 partir de 2026.<\/p>\n

Le concept de tout terrain ROV de Lexus. L\u2019hydrog\u00e8ne comprim\u00e9 est stock\u00e9 dans un r\u00e9servoir \u00e0 haute et envoy\u00e9 dans le moteur via des injecteurs directs.<\/p>\n

Pour plus d’informations et d’analyses sur la Mali<\/a>, suivez Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Mali. Au salon auto de Tokyo, Lexus a d\u00e9voil\u00e9 un petit v\u00e9hicule tout terrain muni d\u2019un moteur thermique 3 cylindres 1,0 litre aliment\u00e9 \u00e0 l\u2019hydrog\u00e8ne comprim\u00e9. Une avanc\u00e9e qui ouvre de nouvelles perspectives comme alternative aux batteries lithium-ion. Lexus, la division haut de gamme de Toyota, a d\u00e9velopp\u00e9 un nouveau concept, baptis\u00e9 ROV […]<\/p>\n","protected":false},"author":82,"featured_media":24885,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,11,17],"tags":[76,86,19],"class_list":["post-24886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-homepage-french","category-toutes-les-actualites","tag-africa-press","tag-africa-press-mali","tag-mali"],"yoast_head":"\nEt si l\u2019hydrog\u00e8ne s\u2019adaptait \u00e0 tous les types de motorisation ? - Mali<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/mali\/politique\/et-si-lhydrogene-sadaptait-a-tous-les-types-de-motorisation\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Et si l\u2019hydrog\u00e8ne s\u2019adaptait \u00e0 tous les types de motorisation ?\" \/>\n<meta property=\"og:description\" content=\"Africa-Press – Mali. Au salon auto de Tokyo, Lexus a d\u00e9voil\u00e9 un petit v\u00e9hicule tout terrain muni d\u2019un moteur thermique 3 cylindres 1,0 litre aliment\u00e9 \u00e0 l\u2019hydrog\u00e8ne comprim\u00e9. Une avanc\u00e9e qui ouvre de nouvelles perspectives comme alternative aux batteries lithium-ion. 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