{"id":48325,"date":"2025-04-30T17:26:03","date_gmt":"2025-04-30T11:56:03","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=48325"},"modified":"2025-05-28T17:22:42","modified_gmt":"2025-05-28T11:52:42","slug":"new-approach-for-green-hydrogen-production","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/new-approach-for-green-hydrogen-production\/","title":{"rendered":"New Approach for Green Hydrogen Production"},"content":{"rendered":"<h2>New Approach for Green Hydrogen Production Latest News<\/h2>\n<p>Researchers at the Institute of Nano Science and Technology (INST), Mohali, have developed new insights into proton adsorption on catalyst surfaces, paving the way for more efficient green hydrogen production.<\/p>\n<h2>Key Scientific Findings<\/h2>\n<ul>\n<li>A\u00a0<strong>novel heterostructure<\/strong>, combining\u00a0<strong>Copper Tungsten Oxide (CuWO\u2084)<\/strong>\u00a0and\u00a0<strong>Copper Oxide (CuO)<\/strong>, has been created to exploit the\u00a0<strong>Built-In Electric Field (BIEF)<\/strong>\u00a0effect for enhanced hydrogen evolution.<\/li>\n<li>The structure is formed by growing\u00a0<strong>CuWO\u2084 nanoparticles<\/strong>\u00a0over a\u00a0<strong>Cu(OH)\u2082 precursor<\/strong>, leading to a\u00a0<strong>p-n heterojunction<\/strong>\u00a0that creates an\u00a0<strong>asymmetric electronic environment<\/strong>.<\/li>\n<li>This\u00a0<strong>BIEF<\/strong>\u00a0plays a crucial role in\u00a0<strong>modulating proton adsorption and desorption<\/strong>, directly influencing the\u00a0<strong>Hydrogen Evolution Reaction (HER)<\/strong>\u00a0efficiency.<\/li>\n<\/ul>\n<h3>Mechanism of Proton Adsorption<\/h3>\n<ul>\n<li>The interface between\u00a0<strong>CuO and CuWO\u2084<\/strong>\u00a0shows variation in\u00a0<strong>Gibbs Free Energy (\u2206G)<\/strong>, especially near the\u00a0<strong>depletion region<\/strong>.<\/li>\n<li>A\u00a0<strong>gradient in \u2206G<\/strong>\u00a0across this interface enhances\u00a0<strong>hydrogen adsorption at CuO<\/strong>\u00a0and\u00a0<strong>desorption at CuWO\u2084<\/strong>, making the system more favourable for\u00a0<strong>HER<\/strong>.<\/li>\n<li>This showcases\u00a0<strong>&#8220;negative cooperativity&#8221;<\/strong>, where increased\u00a0<strong>proton binding<\/strong>\u00a0at one site\u00a0<strong>reduces affinity<\/strong>\u00a0at other sites, facilitating\u00a0<strong>proton desorption,\u00a0<\/strong>a key step in\u00a0<strong>alkaline hydrogen production<\/strong>.<\/li>\n<\/ul>\n<h2>What is Green Hydrogen?<\/h2>\n<ul>\n<li><strong>Green Hydrogen<\/strong>\u00a0is produced through the\u00a0<strong>electrolysis of water<\/strong>\u00a0using\u00a0<strong>renewable energy<\/strong>\u00a0sources like\u00a0<strong>solar, wind, or hydropower<\/strong>, releasing\u00a0<strong>no greenhouse gases<\/strong>.<\/li>\n<li>It is a\u00a0<strong>clean, sustainable, and flexible energy carrier<\/strong>, with\u00a0<strong>water vapour<\/strong>\u00a0as its only by-product.<\/li>\n<li>Unlike\u00a0<strong>grey hydrogen<\/strong>\u00a0(from fossil fuels), green hydrogen contributes to\u00a0<strong>zero carbon emissions<\/strong>.<\/li>\n<\/ul>\n<h3>Green Hydrogen Production Methods<\/h3>\n<ul>\n<li><strong>Alkaline Electrolysis:<\/strong>\u00a0Mature, low-cost method using\u00a0<strong>KOH\/NaOH<\/strong>; needs\u00a0<strong>nickel\/platinum<\/strong>\u00a0electrodes.<\/li>\n<li><strong>Proton Exchange Membrane (PEM) Electrolysis: High efficiency<\/strong>, fast, but\u00a0<strong>expensive<\/strong>\u00a0due to\u00a0<strong>precious metal catalysts<\/strong>.<\/li>\n<li><strong>Solid Oxide Electrolysis (SOEC):<\/strong>\u00a0Works at\u00a0<strong>700\u20131000\u00b0C<\/strong>, enables\u00a0<strong>co-electrolysis<\/strong>\u00a0of\u00a0<strong>H\u2082O and CO\u2082<\/strong>, but involves\u00a0<strong>complex materials<\/strong>\u00a0and\u00a0<strong>high costs<\/strong>.<\/li>\n<\/ul>\n<h2>New Approach for Green Hydrogen Production FAQs<\/h2>\n<p><strong>Q1<\/strong>. What is green hydrogen?<br \/>\n<strong>Ans.<\/strong>\u00a0Green hydrogen is hydrogen produced using renewable energy sources like solar or wind, without emitting carbon dioxide.<\/p>\n<p><strong>Q2.\u00a0<\/strong>What is the new method recently developed for green hydrogen production?<br \/>\n<strong>Ans.<\/strong>\u00a0Scientists have developed methods like photoelectrochemical water splitting, solid oxide electrolysis, and enzyme-assisted electrolysis, improving efficiency and scalability.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/pib.gov.in\/PressReleasePage.aspx?PRID=2124882\" target=\"_blank\" rel=\"nofollow noopener\">PIB<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Green Hydrogen is produced through the electrolysis of water using renewable energy sources like solar, wind, or hydropower, releasing no greenhouse gases.<\/p>\n","protected":false},"author":8,"featured_media":48329,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[590,21,23],"class_list":{"0":"post-48325","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-new-approach-for-green-hydrogen-production","9":"tag-prelims-pointers","10":"tag-upsc-prelims-current-affairs","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/48325","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=48325"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/48325\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/48329"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=48325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=48325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=48325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}