{"id":2536,"date":"2011-05-30T12:24:58","date_gmt":"2011-05-30T05:24:58","guid":{"rendered":"https:\/\/nano2.toolsmkt.com\/?p=2536"},"modified":"2011-05-30T12:24:58","modified_gmt":"2011-05-30T05:24:58","slug":"a-car-battery-at-half-the-price","status":"publish","type":"post","link":"https:\/\/www.nanotec.or.th\/en\/a-car-battery-at-half-the-price\/","title":{"rendered":"A Car Battery at Half the Price"},"content":{"rendered":"<p>One problem with today\u2019s lithium-ion batteries used in electric vehicles and plug-in hybrids is that much of the battery\u2019s volume is taken up by inactive materials, such as packaging, conductive foils, and glues, which make the batteries bulky and costly.\u00a0 Only about 25 percent of the battery\u2019s volume is comprised of materials that store energy.\u00a0<!--more-->\u00a0A battery startup, 24M, has developed a new kind of battery meant to make electric vehicles go farther and cost less.\u00a0 24M\u2019s battery aims to greatly reduce the inactive material in the battery, and estimates the result would be a battery able to achieve almost twice the energy density of today\u2019s vehicle battery packs.\u00a0\u00a0 Higher energy density means the battery would be smaller and cheaper, and electric and hybrid cars would be less expensive.\u00a0 The new battery has sludge-like materials stored in tanks \u2013 one for positive electrode material and another for negative electrodes \u2013 unlike conventional batteries that have solid film electrodes.\u00a0 The researchers added nanoscale carbon particles into the sludge, allowing the electric charge to be pulled out of the substance.\u00a0 Challenges remain before the battery can be commercialized, but, says 24M CEO Throop Wilder, &#8220;We&#8217;re making good progress on the technology.\u00a0 The acceptance of the paper [in the journal Advanced Energy Materials] is strong validation of the fundamental principles that drive our development.&#8221;<\/p>\n<p>http:\/\/www.technologyreview.com\/energy\/37632\/page1\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One problem with today\u2019s lithium-ion batteries used in electric vehicles and plug-in hybrids is that much of the battery\u2019s volume [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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