{"id":367725,"date":"2026-07-18T16:57:11","date_gmt":"2026-07-18T11:27:11","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=367725"},"modified":"2026-07-18T16:57:11","modified_gmt":"2026-07-18T11:27:11","slug":"proton-exchange-membrane-pem-fuel-cell","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/proton-exchange-membrane-pem-fuel-cell\/","title":{"rendered":"Proton Exchange Membrane (PEM) Fuel Cell"},"content":{"rendered":"<div class=\"content-box-green\">\n<p><strong>News:<\/strong>\u00a0Prime Minister Narendra Modi flagged off India\u2019s first hydrogen-powered train on the 89-km Jind\u2013Sonipat route in Haryana on July 17.<\/p>\n<\/div>\n<h2 class=\"red-h2-box\">About Proton Exchange Membrane (PEM) Fuel Cell<\/h2>\n<figure id=\"attachment_367735\" aria-describedby=\"caption-attachment-367735\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-367735\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/07\/Source-ResearchGate-3.jpg?resize=300%2C300&#038;ssl=1\" alt=\"Proton Exchange Membrane (PEM) Fuel Cell\" width=\"300\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/07\/Source-ResearchGate-3.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/07\/Source-ResearchGate-3.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/07\/Source-ResearchGate-3.jpg?w=474&amp;ssl=1 474w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-367735\" class=\"wp-caption-text\">Source &#8211; ResearchGate<\/figcaption><\/figure>\n<ul>\n<li>A <strong>Proton Exchange Membrane (PEM) fuel cell, <\/strong>also known as<strong> a Polymer Electrolyte Membrane fuel cell,<\/strong>\u00a0 is an <strong>electrochemical device<\/strong> that <strong>converts the chemical energy of hydrogen and oxygen into electricity<\/strong> through <strong>oxidation\u2013reduction (redox) reactions.<\/strong><\/li>\n<li><strong>Key Component:<\/strong> The main components are the <strong>anode, cathode, proton-conducting membrane, and catalyst.<\/strong><\/li>\n<li><strong>Working Principle:<\/strong>\n<ul>\n<li><strong>Hydrogen Oxidation:<\/strong> <strong>Hydrogen gas enters the anode<\/strong>, where it is oxidized and <strong>releases protons<\/strong> that <strong>move through a polymer membrane.<\/strong><\/li>\n<li><strong>Electricity Generation:<\/strong> The <strong>electrons travel through an external circuit to generate the electricity<\/strong> required to power the system.<\/li>\n<li><strong>Water Formation:<\/strong> <strong>At the cathode, the protons react with oxygen to produce electricity and water<\/strong> as the final products.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Key Features:<\/strong>\n<ul>\n<li><strong>Continuous Fuel Supply:<\/strong> Unlike traditional batteries, <strong>PEM fuel cells require a continuous supply of hydrogen fuel and oxygen to sustain electricity generation.<\/strong><\/li>\n<li><strong>Compact and Efficient Design:<\/strong> They provide <strong>high power density in a compact size<\/strong>, making them an <strong>environmentally friendly energy solution.<\/strong><\/li>\n<li><strong>Low Maintenance:<\/strong> They <strong>run on hydrogen fue<\/strong>l, can be <strong>refuelled easily<\/strong>, and require <strong>significantly less maintenance<\/strong> than traditional backup power sources.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Application:<\/strong>\n<ul>\n<li data-start=\"269\" data-end=\"487\"><strong>Telecom Towers:<\/strong> PEM fuel cells provide <strong>backup power for telecom towers during grid outages<\/strong>.\n<ul>\n<li data-start=\"269\" data-end=\"487\">They <strong>offer quick start-up, operate at relatively low temperatures<\/strong>, and provide a <strong>clean alternative to diesel generators.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li data-start=\"488\" data-end=\"600\"><strong>Portable Devices: <\/strong>They are used in <strong>laptops, mobile phones, battery chargers, and unmanned aerial vehicles.<\/strong><\/li>\n<li data-start=\"601\" data-end=\"776\"><strong>Backup Power Systems:<\/strong> They are <strong>used as clean backup power systems<\/strong> where reliable electricity is required and support uninterrupted operations during power interruptions.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News:\u00a0Prime Minister Narendra Modi flagged off India\u2019s first hydrogen-powered train on the 89-km Jind\u2013Sonipat route in Haryana on July 17. About Proton Exchange Membrane (PEM) Fuel Cell A Proton Exchange Membrane (PEM) fuel cell, also known as a Polymer Electrolyte Membrane fuel cell,\u00a0 is an electrochemical device that converts the chemical energy of hydrogen and&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/proton-exchange-membrane-pem-fuel-cell\/\">Continue reading <span class=\"screen-reader-text\">Proton Exchange Membrane (PEM) Fuel Cell<\/span><\/a><\/p>\n","protected":false},"author":10401,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,12039],"tags":[11872],"class_list":["post-367725","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/367725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10401"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=367725"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/367725\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=367725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=367725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=367725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}