{"id":2577,"date":"2011-06-08T09:09:39","date_gmt":"2011-06-08T02:09:39","guid":{"rendered":"https:\/\/nano2.toolsmkt.com\/?p=2577"},"modified":"2011-06-08T09:09:39","modified_gmt":"2011-06-08T02:09:39","slug":"batteries-that-can-multitask","status":"publish","type":"post","link":"https:\/\/www.nanotec.or.th\/en\/batteries-that-can-multitask\/","title":{"rendered":"Batteries That Can Multitask"},"content":{"rendered":"<p>Today\u2019s electric vehicles typically only have enough power for 100 miles of driving, so designers of future vehicles are always looking to extend battery reserves.\u00a0 <!--more-->And it doesn\u2019t always mean a bigger battery \u2013 some researchers are, instead, adding body components that double as capacitors, which are devices that hold an electrical charge until they are tapped.\u00a0 Emile Greenhalgh, a composites expert at Imperial College London, United Kingdom, has modified a car by doing just that.\u00a0 \u201cAlthough the energies they provide are fairly modest,\u201d Dr. Greenhalgh said, \u201cthey have shown that our material could be used to smooth the demands on the battery, thus enhancing its life.\u201d\u00a0 Engineers are also developing car frames and bodies made of carbon fiber-reinforced composites, but the material remains too expensive for mass-market cars.\u00a0 One potential solution is to build cars with carbon composites that also serve as batteries \u2013 providing extra electricity while also making the vehicles lighter.\u00a0 The resin binding the carbon fibers would be laced with lithium ions, enabling the fibers to serve as conductive electrodes for this type of charge-holding capacitor.\u00a0 \u201cStructural power technology combines mechanical structure and energy storage capabilities,\u201d said Dr. Greenhalgh. \u201cThis could allow us to have our cake and eat it too.\u201d\u00a0 Another European research group, the Swedish Institute of Composites, is working on a structural battery, and plans to test a prototype electric vehicle in which the trunk floor provides electricity.\u00a0 According to Per-Ivar Sellergren, an engineer at the Volvo Cars Materials Center in Gothenburg, Sweden, \u201cWe\u2019re expecting a 15 percent weight savings compared to the standard battery in a conventional structure.\u00a0 Even though the panel will not be large enough to power the entire car, it could provide enough power to switch the engine off and on when the car is stopped at a traffic light.\u201d<\/p>\n<p><a href=\"http:\/\/www.nytimes.com\/2011\/06\/05\/automobiles\/05BATTERY.html?_r=2\">http:\/\/www.nytimes.com\/2011\/06\/05\/automobiles\/05BATTERY.html?_r=2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today\u2019s electric vehicles typically only have enough power for 100 miles of driving, so designers of future vehicles are always [&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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