{"id":190630,"date":"2016-11-22T01:20:09","date_gmt":"2016-11-22T01:20:09","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/etude-sur-le-match-entre-batteries-et-pile-a-combustible\/"},"modified":"2016-11-22T01:20:09","modified_gmt":"2016-11-22T01:20:09","slug":"etude-sur-le-match-entre-batteries-et-pile-a-combustible","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/etude-sur-le-match-entre-batteries-et-pile-a-combustible\/","title":{"rendered":"Etude sur le match entre batteries et pile \u00e0 combustible"},"content":{"rendered":"<p>Les d\u00e9fenseurs des piles \u00e0 combustible sont confront\u00e9s \u00e0 une r\u00e9alit\u00e9; les batteries sont nettement sup\u00e9rieures aux piles \u00e0 combustible, du moins en termes de viabilit\u00e9 car l&rsquo;hydrog\u00e8ne n\u00e9cessite une infrastructure tr\u00e8s co\u00fbteuse qui&nbsp;fait que les batteries offrent la solution la plus rentable.<\/p>\n<p>Une \u00e9quipe de chercheurs autour de Sally Benson, responsable du projet Global Climate and Energy de Stanford, a compar\u00e9 plusieurs sc\u00e9narios de d\u00e9veloppement pour la p\u00e9riode allant jusqu&rsquo;en 2035, sur la base des donn\u00e9es de la ville californienne de Los Altos Hills pr\u00e8s de San Francisco. L&rsquo;\u00e9tude a \u00e9galement examin\u00e9 comment les diff\u00e9rentes approches d&rsquo;\u00e9lectromobilit\u00e9 influent sur la consommation globale d&rsquo;\u00e9nergie.<\/p>\n<p>\u00ab\u00a0Si vous prenez en compte les co\u00fbts totaux, vous arrivez \u00e0 la conclusion que les v\u00e9hicules \u00e9lectriques \u00e9quip\u00e9s de batterie repr\u00e9sentent&nbsp;la meilleure solution pour r\u00e9duire les \u00e9missions. Ils font &nbsp;mieux que les v\u00e9hicules \u00e0 piles \u00e0 combustible\u00a0\u00bb, a d\u00e9clar\u00e9 le docteur Markus Felgenhauer, qui travaille \u00e9galement chez BMW pour la gestion de l&rsquo;\u00e9nergie. L&rsquo;\u00e9tude montre que l&rsquo;infrastructure de la station-service n\u00e9cessaire pour les v\u00e9hicules \u00e0 piles \u00e0 combustible est co\u00fbteuse. Pour Markus&nbsp;Felgenhauer, afin de compenser le co\u00fbt suppl\u00e9mentaire, il serait n\u00e9cessaire de rendre les v\u00e9hicules beaucoup moins chers. ce qui dans un avenir proche n&rsquo;arrivera pas, bien au contraire.<\/p>\n<p><strong>Hydrog\u00e8ne et stockage temporaire de l&rsquo;\u00e9nergie<\/strong><\/p>\n<p>L&rsquo;\u00e9tude a \u00e9galement montr\u00e9 qu&rsquo;un autre avantage pr\u00e9sum\u00e9 de l&rsquo;hydrog\u00e8ne \u00e9tait&nbsp;le stockage temporaire de l&rsquo;\u00e9nergie solaire en surplus n&rsquo;\u00e9tait&nbsp;pas une hypoth\u00e8se r\u00e9aliste. La ville s\u00e9lectionn\u00e9e pour l&rsquo;\u00e9tude, Los Altos Hills, n&rsquo;utiliserait qu&rsquo;une tr\u00e8s petite quantit\u00e9 de l&rsquo;\u00e9nergie produite par l&rsquo;hydrog\u00e8ne pour le chauffage et l&rsquo;\u00e9clairage en 2035. C&rsquo;\u00e9tait un aspect que les partisans de l&rsquo;approche pile \u00e0 combustible avaient esp\u00e9r\u00e9, car il&nbsp;justifierait l&rsquo;achat d&rsquo;\u00e9lectrolyseurs pour produire de l&rsquo;hydrog\u00e8ne au moyen de l&rsquo;\u00e9nergie solaire. Sans cet \u00e9l\u00e9ment, la technologie des piles \u00e0 combustible \u00e0 hydrog\u00e8ne a une empreinte \u00e9cologique plut\u00f4t m\u00e9diocre, car la production conventionnelle d&rsquo;hydrog\u00e8ne bas\u00e9e sur le gaz naturel est un proc\u00e9d\u00e9 qui lib\u00e8re de grandes quantit\u00e9s de dioxyde de carbone. En revanche, l&rsquo;utilisation des batteries&nbsp;devient neutre en CO2 d\u00e8s qu&rsquo;elles peuvent \u00eatre utilis\u00e9es comme tampon pour l&rsquo;\u00e9nergie \u00e9lectrique.<\/p>\n<p>Selon les chercheurs, bien que Los Altos Hills soit une ville ensoleill\u00e9e et riche avec une forte capacit\u00e9 d&rsquo;\u00e9nergie solaire et un pourcentage \u00e9lev\u00e9 de v\u00e9hicules \u00e9lectriques, ces r\u00e9sultats sont pertinents pour de nombreuses municipalit\u00e9s en Californie. Maintenant, ils envisagent le d\u00e9veloppement d&rsquo;une communaut\u00e9 de chercheurs&nbsp;pour de futures \u00e9tudes, afin d&rsquo;enqu\u00eater sur d&rsquo;autres facteurs pertinents pouvant influencer le choix du consommateur entre la batterie et la pile \u00e0 combustible.<\/p>\n<p>Universit\u00e9 de Standford :&nbsp;<a href=\"http:\/\/stanford.edu\/\">http:\/\/stanford.edu<\/a>&nbsp; Universit\u00e9 Technique de Munich :&nbsp;<a href=\"http:\/\/tum.de\/\">http:\/\/tum.de<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, les piles \u00e0 combustible \u00e0 hydrog\u00e8ne et les batteries pour les technologies de propulsion ont fait la course pour d\u00e9crocher la pole position en \u00e9lectromobilit\u00e9. Une \u00e9tude conjointe de l&rsquo;universit\u00e9 de Stanford et de l&rsquo;Universit\u00e9 technique de Munich fait un premier point.<\/p>\n","protected":false},"author":11,"featured_media":190631,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[891,909],"domains":[47],"ppma_author":[1143],"class_list":["post-190630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-automotive-fr","tag-batteries-power-supplies-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Etude sur le match entre batteries et pile \u00e0 combustible ...<\/title>\n<meta name=\"description\" content=\"Ces derni\u00e8res ann\u00e9es, les piles \u00e0 combustible \u00e0 hydrog\u00e8ne et les batteries pour les technologies de propulsion ont fait la course pour d\u00e9crocher la...\" \/>\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.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/190630\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Etude sur le match entre batteries et pile \u00e0 combustible\" \/>\n<meta property=\"og:description\" content=\"Ces derni\u00e8res ann\u00e9es, les piles \u00e0 combustible \u00e0 hydrog\u00e8ne et les batteries pour les technologies de propulsion ont fait la course pour d\u00e9crocher la pole position en \u00e9lectromobilit\u00e9. 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