27 Jul '14, 5pm

U Tokyo team proposes new high-capacity rechargeable battery system based on oxide-peroxide redox reaction

U Tokyo team proposes new high-capacity rechargeable battery system based on oxide-peroxide redox reaction

Researchers at the University of Tokyo, led by Dr. Noritaka Mizuno (“oxygen rocking”, earlier post ), in collaboration with Nippon Shokubai Co., Ltd. are proposing a new sealed rechargeable battery system operating on a redox reaction between an oxide (O2- ) and a peroxide (O2 2- ) in the cathode. As described in a paper in the Nature open access journal Scientific Reports , the proposed battery system would have a theoretical specific energy of 2,570 Wh kg-1 (897 mAh g-1 , 2.87 V)—about on par with Li-sulfur’s very high theoretical energy density of ~2,600 Wh kg-1 (based on lithium-sulfur redox couple, e.g.,

Full article: http://www.greencarcongress.com/2014/07/20140727-mizuno.html

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