{"id":3469,"date":"2022-12-28T10:47:24","date_gmt":"2022-12-28T08:47:24","guid":{"rendered":"https:\/\/www.weloop.org\/?p=3469"},"modified":"2025-08-05T14:48:34","modified_gmt":"2025-08-05T14:48:34","slug":"environmental-profile-of-so-called-green-hydrogen","status":"publish","type":"post","link":"https:\/\/www.weloop.org\/en\/profil-environnemental-de-l-hydrogene-dit-vert\/","title":{"rendered":"Profil environnemental de l&rsquo;hydrog\u00e8ne dit \u00ab\u00a0vert\u00a0\u00bb"},"content":{"rendered":"<style>#kt-layout-id_9f3459-48 > .kt-row-column-wrap{align-content:center;}:where(#kt-layout-id_9f3459-48 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}#kt-layout-id_9f3459-48 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:1100px;margin-left:auto;margin-right:auto;padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}#kt-layout-id_9f3459-48 > .kt-row-layout-overlay{opacity:0.25;background-image:url('https:\/\/www.weloop.org\/wp-content\/uploads\/2022\/01\/Screenshot_5-1.jpg');background-size:cover;background-position:center center;background-attachment:scroll;background-repeat:no-repeat;}@media all and (max-width: 1024px){#kt-layout-id_9f3459-48 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){#kt-layout-id_9f3459-48 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignfull animated fadeIn\"><div id=\"kt-layout-id_9f3459-48\" class=\"kt-row-layout-inner kt-row-has-bg kt-layout-id_9f3459-48\"><div class=\"kt-row-layout-overlay kt-row-overlay-normal\"><\/div><div class=\"kt-row-column-wrap kt-has-1-columns kt-gutter-default kt-v-gutter-default kt-row-valign-middle kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row\"><style>.kadence-column_1dcb74-63 > .kt-inside-inner-col{display:flex;}.kadence-column_1dcb74-63 > .kt-inside-inner-col{padding-top:10px;padding-bottom:10px;padding-left:20px;padding-right:20px;}.kadence-column_1dcb74-63 > .kt-inside-inner-col{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_1dcb74-63 > .kt-inside-inner-col,.kadence-column_1dcb74-63 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_1dcb74-63 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_1dcb74-63 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_1dcb74-63 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column_1dcb74-63{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_1dcb74-63{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_1dcb74-63 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_1dcb74-63 > .kt-inside-inner-col{background-color:rgba(255, 255, 255, 0.8);}.kadence-column_1dcb74-63 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_1dcb74-63{text-align:center;}.kadence-column_1dcb74-63{position:relative;}.wp-block-kadence-column.kadence-column_1dcb74-63 > .kt-inside-inner-col{margin-top:20px;margin-bottom:20px;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column_1dcb74-63{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_1dcb74-63{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_1dcb74-63 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column_1dcb74-63 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column_1dcb74-63{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_1dcb74-63{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_1dcb74-63 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_1dcb74-63 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_1dcb74-63 ticss-8d63a106\"><div class=\"kt-inside-inner-col\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h1 id=\"wp-block-themeisle-blocks-advanced-heading-4ef3c153\" class=\"wp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-4ef3c153\">Profil environnemental de l&rsquo;hydrog\u00e8ne dit \u00ab\u00a0vert\u00a0\u00bb<\/h1>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Publi\u00e9 le 29 d\u00e9cembre 2022<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<style>#kt-layout-id_913535-84 > .kt-row-column-wrap{align-content:center;}:where(#kt-layout-id_913535-84 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}#kt-layout-id_913535-84 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:1200px;padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:50px;grid-template-columns:repeat(2, minmax(0, 1fr));}#kt-layout-id_913535-84 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_913535-84 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){#kt-layout-id_913535-84 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignfull\"><div id=\"kt-layout-id_913535-84\" class=\"kt-row-layout-inner kt-layout-id_913535-84\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-middle kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row kb-theme-content-width\"><style>.kadence-column_719fc7-3f > .kt-inside-inner-col{display:flex;}.kadence-column_719fc7-3f > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_719fc7-3f > .kt-inside-inner-col,.kadence-column_719fc7-3f > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_719fc7-3f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_719fc7-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_719fc7-3f > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column_719fc7-3f{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_719fc7-3f{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_719fc7-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_719fc7-3f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_719fc7-3f{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column_719fc7-3f{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_719fc7-3f{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_719fc7-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column_719fc7-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column_719fc7-3f{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_719fc7-3f{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_719fc7-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_719fc7-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_719fc7-3f\"><div class=\"kt-inside-inner-col\">\n<p class=\"wp-block-paragraph\">L&rsquo;hydrog\u00e8ne est une solution prometteuse pour stocker et fournir de l&rsquo;\u00e9nergie dans le cadre d\u2019une d\u00e9carbonation de l\u2019\u00e9conomie et de r\u00e9duction d\u2019\u00e9mission de gaz \u00e0 effets de serre. Lorsque l\u2019hydrog\u00e8ne est produit \u00e0 partir de l&rsquo;\u00e9lectrolyse de l&rsquo;eau en utilisant l&rsquo;\u00e9lectricit\u00e9 provenant de sources renouvelables (sources non concurrentes), ce que l&rsquo;on appelle \u00ab l&rsquo;hydrog\u00e8ne vert \u00bb peut fournir une \u00e9nergie relativement propre pour divers secteurs, dont les transports. Pourtant, moins de 5 % de la production mondiale d&rsquo;hydrog\u00e8ne est produite par \u00e9lectrolyse de l&rsquo;eau, dont seule une petite fraction est \u00ab verte \u00bb. Le reste est produit par reformage du gaz naturel, \u00e0 partir de la gaz\u00e9ification du charbon ou comme sous-produit de la production chimique.<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column_811548-17 > .kt-inside-inner-col{display:flex;}.kadence-column_811548-17 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_811548-17 > .kt-inside-inner-col,.kadence-column_811548-17 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_811548-17 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_811548-17 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_811548-17 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column_811548-17{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_811548-17{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_811548-17 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_811548-17 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_811548-17{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column_811548-17{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_811548-17{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_811548-17 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column_811548-17 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column_811548-17{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_811548-17{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_811548-17 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_811548-17 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_811548-17\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2022\/12\/2206.q703.019.S.m004.c12.green-hydrogen-energy-fuel-generation-cartoon-1024x573.jpg\" alt=\"\" class=\"wp-image-3471\"\/><\/figure>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<style>#kt-layout-id_121671-3c > .kt-row-column-wrap{align-content:center;}:where(#kt-layout-id_121671-3c > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}#kt-layout-id_121671-3c > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:1200px;padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}#kt-layout-id_121671-3c > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_121671-3c > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){#kt-layout-id_121671-3c > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignfull\"><div id=\"kt-layout-id_121671-3c\" class=\"kt-row-layout-inner kt-layout-id_121671-3c\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-gutter-default kt-v-gutter-default kt-row-valign-middle kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row kb-theme-content-width\"><style>.kadence-column_550c84-7f > .kt-inside-inner-col{display:flex;}.kadence-column_550c84-7f > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_550c84-7f > .kt-inside-inner-col,.kadence-column_550c84-7f > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_550c84-7f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_550c84-7f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_550c84-7f > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column_550c84-7f{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_550c84-7f{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_550c84-7f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_550c84-7f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_550c84-7f{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column_550c84-7f{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_550c84-7f{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_550c84-7f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column_550c84-7f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column_550c84-7f{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_550c84-7f{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column_550c84-7f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column_550c84-7f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_550c84-7f\"><div class=\"kt-inside-inner-col\">\n<p class=\"wp-block-paragraph\">Bien que cela puisse sembler \u00eatre un nouveau domaine de recherche, la principale technologie de production d&rsquo;hydrog\u00e8ne par \u00e9lectrolyse alcaline a plus de cent ans. Les technologies en d\u00e9veloppement comprennent l&rsquo;\u00e9lectrolyse de l&rsquo;eau gr\u00e2ce une membrane \u00e9lectrolytique polym\u00e8re (MEP) et les cellules d&rsquo;\u00e9lectrolyse \u00e0 oxyde solide. Chaque technologie comprend des cellules \u00e0 l&rsquo;int\u00e9rieur desquelles le courant \u00e9lectrique passe \u00e0 travers des \u00e9lectrodes dans un flux d&rsquo;eau en circulation &#8211; avec l&rsquo;ajout de d&rsquo;hydroxyde de potassium (KOH) dans le cas de l&rsquo;\u00e9lectrolyse alcaline &#8211; dans des conditions de pression et de chaleur donn\u00e9es, g\u00e9n\u00e9rant de l\u2019hydrog\u00e8ne et de l\u2019oxyg\u00e8ne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les \u00e9tudes d&rsquo;analyse du cycle de vie (<a aria-label=\"ACV (opens in a new tab)\" href=\"https:\/\/www.weloop.org\/en\/acv\/\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"ek-link\">ACV<\/a>) de l\u2019\u00e9lectrolyse alcaline et MEP r\u00e9v\u00e8lent que la consommation d&rsquo;\u00e9lectricit\u00e9 est responsable de la majorit\u00e9 des impacts de la production d&rsquo;hydrog\u00e8ne. <a aria-label=\"WeLOOP (opens in a new tab)\" href=\"https:\/\/www.linkedin.com\/company\/weloop\/\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"ek-link\">WeLOOP<\/a> a men\u00e9 une \u00e9tude ACV de la production d\u2019hydrog\u00e8ne du \u00ab&nbsp;berceau \u00e0 la porte&nbsp;\u00bb de ces deux syst\u00e8mes, conduisant aux m\u00eames conclusions en utilisant les m\u00e9thodes d&rsquo;\u00e9valuation d&rsquo;impact de la m\u00e9thode PEF 3.0. M\u00eame si l&rsquo;utilisation de sources d&rsquo;\u00e9nergie renouvelables r\u00e9duit l&rsquo;impact d&rsquo;environ 80% par rapport \u00e0 un mix \u00e9lectrique europ\u00e9en typique, cela demeure vrai si l&rsquo;on consid\u00e8re l&rsquo;\u00e9nergie \u00e9olienne offshore comme la seule source d&rsquo;\u00e9lectricit\u00e9 pour le processus. N\u00e9anmoins, les mati\u00e8res premi\u00e8res et la consommation d&rsquo;eau contribuent \u00e9galement de mani\u00e8re significative \u00e0 l&rsquo;impact environnemental du proc\u00e9d\u00e9.<\/p>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<style>#kt-layout-id_ea932a-f1 > .kt-row-column-wrap{align-content:center;}:where(#kt-layout-id_ea932a-f1 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}#kt-layout-id_ea932a-f1 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:1200px;padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-bottom:27px;grid-template-columns:repeat(2, minmax(0, 1fr));}#kt-layout-id_ea932a-f1 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_ea932a-f1 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){#kt-layout-id_ea932a-f1 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignfull\"><div id=\"kt-layout-id_ea932a-f1\" class=\"kt-row-layout-inner kt-layout-id_ea932a-f1\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-middle kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row kb-theme-content-width\"><style>.kadence-column_76ad84-71 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_76ad84-71 > .kt-inside-inner-col,.kadence-column_76ad84-71 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_76ad84-71 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_76ad84-71 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_76ad84-71 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_76ad84-71 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_76ad84-71{position:relative;}@media all and (max-width: 1024px){.kadence-column_76ad84-71 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_76ad84-71 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_76ad84-71\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/img.freepik.com\/free-vector\/hydrogen-energy-composition_1284-71756.jpg?w=1800&amp;t=st=1672217879~exp=1672218479~hmac=2e8b99806df8e026878b95142db3ce702a6f8e0ced1d04ef3def226c6f3f356a\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2022\/12\/2110.i201.005.S.m004.c13.green-hydrogen-energy-fuel-generation-isometric-set-1024x657.jpg\" alt=\"\" class=\"wp-image-3472\"\/><\/a><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column_11193e-10 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_11193e-10 > .kt-inside-inner-col,.kadence-column_11193e-10 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_11193e-10 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_11193e-10 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_11193e-10 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_11193e-10 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_11193e-10{position:relative;}@media all and (max-width: 1024px){.kadence-column_11193e-10 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_11193e-10 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_11193e-10\"><div class=\"kt-inside-inner-col\">\n<p class=\"wp-block-paragraph\">Outre l&rsquo;origine de l&rsquo;\u00e9lectricit\u00e9, les trois param\u00e8tres les plus importants \u00e0 consid\u00e9rer pour optimiser l&rsquo;impact environnemental du proc\u00e9d\u00e9 sont :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>l&rsquo;efficacit\u00e9 du proc\u00e9d\u00e9 en termes de conversion d&rsquo;\u00e9nergie (\u00e9lectricit\u00e9 en hydrog\u00e8ne)<\/li>\n\n\n\n<li>la dur\u00e9e de vie des cellules<\/li>\n\n\n\n<li>la consommation de mati\u00e8res premi\u00e8res pour les cellules.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En effet, les cellules pour l\u2019\u00e9l\u00e9ctrolyse alcaline contiennent de grandes quantit\u00e9s de nickel dans leurs anodes et cathodes, un m\u00e9tal ayant des impacts importants sur l&rsquo;utilisation des ressources, l&rsquo;\u00e9cotoxicit\u00e9 de l&rsquo;eau douce et le changement climatique. D&rsquo;autre part, les membranes utilis\u00e9es pour l&rsquo;\u00e9lectrolyse MEP utilisent des quantit\u00e9s consid\u00e9rables de m\u00e9taux platino\u00efdes, dont la production implique \u00e9galement des impacts importants sur les m\u00eames cat\u00e9gories d&rsquo;impact que le nickel. De plus, les deux syst\u00e8mes utilisent une bonne quantit\u00e9 de cuivre, un m\u00e9tal de plus en plus rare, ce qui a un impact sur la cat\u00e9gorie d&rsquo;utilisation des ressources. <\/p>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<style>#kt-layout-id_16211e-dc > .kt-row-column-wrap{align-content:center;}:where(#kt-layout-id_16211e-dc > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}#kt-layout-id_16211e-dc > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:1200px;padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}#kt-layout-id_16211e-dc > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_16211e-dc > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){#kt-layout-id_16211e-dc > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignfull\"><div id=\"kt-layout-id_16211e-dc\" class=\"kt-row-layout-inner kt-layout-id_16211e-dc\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-gutter-default kt-v-gutter-default kt-row-valign-middle kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row kb-theme-content-width\"><style>.kadence-column_9cba07-a9 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_9cba07-a9 > .kt-inside-inner-col,.kadence-column_9cba07-a9 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_9cba07-a9 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_9cba07-a9 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_9cba07-a9 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_9cba07-a9 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_9cba07-a9{position:relative;}@media all and (max-width: 1024px){.kadence-column_9cba07-a9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_9cba07-a9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_9cba07-a9\"><div class=\"kt-inside-inner-col\">\n<p class=\"wp-block-paragraph\">Il existe diff\u00e9rentes mani\u00e8res de r\u00e9duire la part des impacts dus au m\u00e9tal consomm\u00e9 pour les syst\u00e8mes d&rsquo;\u00e9lectrolyse : la r\u00e9duction de la quantit\u00e9 de m\u00e9tal utilis\u00e9e, l\u2019allongement de la dur\u00e9e de vie des cellules, et le recyclage. Par exemple, nous avons constat\u00e9 que la r\u00e9duction de moiti\u00e9 de la teneur en nickel des cellules d&rsquo;\u00e9lectrolyse alcaline r\u00e9duirait l&rsquo;impact de la production d&rsquo;hydrog\u00e8ne d&rsquo;environ 10 % si tous les autres param\u00e8tres restaient inchang\u00e9s. L&rsquo;enjeu pour am\u00e9liorer le profil environnemental de l&rsquo;hydrog\u00e8ne vert dans le futur r\u00e9side donc dans la recherche d&rsquo;un juste \u00e9quilibre entre l&rsquo;efficacit\u00e9 du proc\u00e9d\u00e9, la dur\u00e9e de vie des cellules, et la consommation et le recyclage des m\u00e9taux utilis\u00e9s pour les cellules.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous souhaitez en savoir plus, n&rsquo;h\u00e9sitez pas \u00e0 nous contacter via <a href=\"mailto:info@weloop.org\" class=\"ek-link\">info@weloop.org<\/a>. <\/p>\n<\/div><\/div>\n<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>L&rsquo;hydrog\u00e8ne est une solution prometteuse pour stocker et fournir de l&rsquo;\u00e9nergie dans le cadre d\u2019une d\u00e9carbonation de l\u2019\u00e9conomie et de r\u00e9duction d\u2019\u00e9mission de gaz \u00e0 effets de serre. Lorsque l\u2019hydrog\u00e8ne est produit \u00e0 partir de l&rsquo;\u00e9lectrolyse de l&rsquo;eau en utilisant l&rsquo;\u00e9lectricit\u00e9 provenant de sources renouvelables (sources non concurrentes), ce que l&rsquo;on appelle \u00ab l&rsquo;hydrog\u00e8ne vert \u00bb peut fournir une \u00e9nergie relativement propre pour divers secteurs, dont les transports. <\/p>","protected":false},"author":1,"featured_media":3471,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","neve_meta_sidebar":"","neve_meta_container":"contained","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"[\"content\",\"tags\",\"post-navigation\",\"comments\"]","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false,"_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[126],"tags":[],"class_list":["post-3469","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-et-decryptages"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - 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