{"id":5001,"date":"2017-11-17T15:41:00","date_gmt":"2017-11-17T07:41:00","guid":{"rendered":"https:\/\/battery9999.com\/?p=5001"},"modified":"2018-06-08T13:52:15","modified_gmt":"2018-06-08T05:52:15","slug":"air-breathing-battery-makes-renewable-power-viable-for-the-grid","status":"publish","type":"post","link":"https:\/\/battery9999.com\/en\/air-breathing-battery-makes-renewable-power-viable-for-the-grid\/","title":{"rendered":"Air-Breathing Battery Makes Renewable Power Viable for the Grid"},"content":{"rendered":"<h5>WRITTEN BY Karla Lant<\/h5>\n<p>Published: October 20, 2017<\/p>\n<p><a href=\"https:\/\/twitter.com\/KarlaLant\" target=\"_blank\" rel=\"noopener noreferrer\">@KarlaLant<\/a>\u00a0<a href=\"https:\/\/karlalant.contently.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Website<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5002\" src=\"https:\/\/battery9999.com\/wp-content\/uploads\/2017\/11\/air-breathing-battery-3-1200x686-300x172.jpg\" alt=\"\" width=\"300\" height=\"172\" srcset=\"https:\/\/battery9999.com\/wp-content\/uploads\/2017\/11\/air-breathing-battery-3-1200x686-300x172.jpg 300w, https:\/\/battery9999.com\/wp-content\/uploads\/2017\/11\/air-breathing-battery-3-1200x686-768x439.jpg 768w, https:\/\/battery9999.com\/wp-content\/uploads\/2017\/11\/air-breathing-battery-3-1200x686-1030x589.jpg 1030w, https:\/\/battery9999.com\/wp-content\/uploads\/2017\/11\/air-breathing-battery-3-1200x686-705x403.jpg 705w, https:\/\/battery9999.com\/wp-content\/uploads\/2017\/11\/air-breathing-battery-3-1200x686-450x257.jpg 450w, https:\/\/battery9999.com\/wp-content\/uploads\/2017\/11\/air-breathing-battery-3-1200x686.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Image Credit: Felice Frankel\/MIT<\/p>\n<p><!--more--><\/p>\n<h2>AIR-BREATHING BATTERY<\/h2>\n<p>To survive on our planet we need the cleanliness of renewable energy. However, we also need it to be reliable, even when clouds obscure the Sun or the wind flags. Although we are already working to counter that natural variability with variety \u2014 sourcing energy to power the grid from a range of origins, including biomass, hydro, solar, waves, and wind, to break free of the need to switch back to coal and gas backup sources \u2014 we need large-scale energy storage systems.<\/p>\n<p>A team of researchers at MIT has developed a new kind of \u201cair-breathing\u201d battery that could make this happen sooner. The battery stores energy for months at about one-fifth of the price of existing technologies. What really sets it apart, though, is that the battery\u00a0inhales air from outside while discharging, and recharges the battery as it exhales oxygen.<\/p>\n<p>\u201cThis battery literally inhales and exhales air, but it doesn\u2019t exhale carbon dioxide, like humans \u2014 it exhales oxygen,\u201d study co-author Yet-Ming Chiang\u00a0<a href=\"http:\/\/news.mit.edu\/2017\/air-breathing-battery-making-renewable-power-more-viable-grid-1011\" target=\"_blank\" rel=\"noopener noreferrer\">told\u00a0<\/a><i><a href=\"http:\/\/news.mit.edu\/2017\/air-breathing-battery-making-renewable-power-more-viable-grid-1011\" target=\"_blank\" rel=\"noopener noreferrer\">MIT News<\/a><\/i>. \u201cWhat this does is create a charge balance by taking oxygen in and out of the system.\u201d<\/p>\n<p>The team designed a rechargeable flow battery, which means that its cathode and anode are actually liquids. The catholyte and anolyte, then,\u00a0 exchange ions to store and release energy. The anolyte is a solution of water and sulfur, and the catholyte is an oxygenated liquid salt solution. This latter solution is what allows the battery to \u201cexhale\u201d oxygen. In fact, the \u201cbreathing\u201d is what allows the battery to function. It inhales and creates negatively-charged hydroxide ions in the catholyte, and then recharges, creating hydrogen ions as it exhales oxygen, returning electrons to the anolyte.<\/p>\n<p>\u201cWe went on a search for a positive electrode that would also have exceptionally low cost that we could use with sulfur as the negative electrode,\u201d Chiang said to\u00a0<i>MIT News<\/i>. \u201cThrough an accidental laboratory discovery, we figured out that it could actually be oxygen, and therefore air. We needed to add one other component, which was a charge carrier to go back and forth between the sulfur and air electrode, and that turned out to be sodium.\u201d<\/p>\n<h2>MAKING RENEWABLES RELIABLE<\/h2>\n<p><a href=\"https:\/\/newatlas.com\/air-breathing-battery\/51720\/\" target=\"_blank\" rel=\"noopener noreferrer\">Lithium-air batteries<\/a>, which have about the same energy density, work in the same way \u2014 but sulfur, salt, and water are far cheaper. Lowering cost has been essential to developing energy storage systems that\u00a0can be scaled\u00a0for use with the grid. The team estimates that a scaled-up version of their breathing battery would cost between\u00a0 $20 and $30 (USD) per kilowatt hour (kWh) stored to run. By comparison, other storage systems currently available cost about $100 per kWh.<\/p>\n<p>The prototype in this case is\u00a0<a href=\"http:\/\/www.cell.com\/joule\/fulltext\/S2542-4351(17)30032-6\" target=\"_blank\" rel=\"noopener noreferrer\">about the size of a coffee cup<\/a>. However, the researchers are confident the design is scalable. The team plans to improve the battery next, making it less expensive, more efficient, and extending its working life beyond the 1,500 hours it currently boasts.<\/p>\n<p>SOURCE:<a href=\"https:\/\/futurism.com\/air-breathing-battery-makes-renewable-power-viable-for-the-grid-2\/\">Air-Breathing Battery Makes Renewable Power Viable for the Grid<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>WRITTEN BY Karla Lant Published: October 20, 2017 @KarlaLant\u00a0Website Image Credit: Felice Frankel\/MIT<\/p>\n","protected":false},"author":12,"featured_media":5002,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113,91],"tags":[],"class_list":["post-5001","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrial-news","category-news-center"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Air-Breathing Battery Makes Renewable Power Viable for the Grid - 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