{"id":6940,"date":"2025-10-27T12:03:54","date_gmt":"2025-10-27T06:33:54","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=6940"},"modified":"2025-10-29T14:29:03","modified_gmt":"2025-10-29T08:59:03","slug":"supercapacitor","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/supercapacitor\/","title":{"rendered":"What are Supercapacitors?"},"content":{"rendered":"<h2>About Supercapacitors:\u00a0<\/h2>\n<ul>\n<li>A supercapacitor is a <strong>next-generation energy storage device<\/strong> which is also known as an <strong>ultracapacitor.<\/strong><\/li>\n<li>It has advantages such as <strong>high-power density<\/strong>, long durability, and ultrafast charging characteristics as compared to conventional capacitors and Lithium-Ion batteries (LIB).<\/li>\n<li>The main components of supercapacitors include an <strong>electrode, electrolyte, separator, and current collector.<\/strong><\/li>\n<li>An electrode is a solid electric conductor that carries electric current into non-metallic solids, liquids, gases, plasmas, or vacuums.<\/li>\n<li>An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.\u00a0<\/li>\n<\/ul>\n<p><strong>Key findings<\/strong><\/p>\n<ul>\n<li>It is found that the prototype supercapacitors made of coconut husk-derived activated carbon to be <strong>four-times more efficient<\/strong> that the existing supercapacitors.<\/li>\n<li>This innovative method not only saves time, but also yields activated carbon with an <strong>impressive surface area<\/strong> of 1,200 m2 g-1 and highly porous structures, making it an ideal material for various applications.<\/li>\n<li>The device\u2019s <strong>high-power output<\/strong> is capable of powering two LEDs for 20 minutes.<\/li>\n<\/ul>\n<p><strong>What is a microwave-assisted method?<\/strong><\/p>\n<ul>\n<li>It is relatively <strong>inexpensive <\/strong>and exhibits exceptional <strong>supercapacitor capability<\/strong>.<\/li>\n<li>By utilising an advanced microwave pyrolysis reactor one can produce high-quality carbon within five minutes, eliminating impurities like ash and generating zero waste.<\/li>\n<\/ul>\n<hr \/>\n<h3>Q1: What is Electrolysis?<\/h3>\n<p>Electrolysis is the process of using electricity to split water into hydrogen and oxygen. This reaction takes place in a unit called an electrolyzer.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/news\/national\/kerala\/researchers-devise-method-to-develop-eco-friendly-supercapacitors-using-activated-carbon-produced-from-coconut-husks\/article68352189.ece\" target=\"_blank\" rel=\"nofollow noopener\">Researchers devise method to develop eco-friendly supercapacitors using activated carbon produced from coconut husks<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Supercapacitors is a next-generation energy storage device which is also known as an ultracapacitor. <\/p>\n","protected":false},"author":5,"featured_media":6941,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-6940","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/6940","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=6940"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/6940\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/6941"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=6940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=6940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=6940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}