10 Oct '12, 3pm

NEC Boosts Energy Density of Li-ion Battery by 30%: NEC Corp announced Oct 9, 2012, that it has developed a high...

NEC Boosts Energy Density of Li-ion Battery by 30%: NEC Corp announced Oct 9, 2012, that it has developed a high...

NEC Boosts Energy Density of Li-ion Battery by 30% Oct 10, 2012 22:03 Kouji Kariatsumari, Nikkei Electronics The prototyped laminated cell (photo courtesy of NEC) NEC Corp announced Oct 9, 2012, that it has developed a high-voltage, long-life lithium-ion (Li-ion) rechargeable battery by combining (1) a Ni-Mn-based positive electrode material that is a spinel-type positive electrode material and can have a high voltage and (2) an electrolyte that can withstand a high voltage. The details of the battery will be announced at PRiME 2012, which is an academic conference that is about electrochemistry and taking place from Oct 7 to 12, 2012, in Hawaii, the US. The newly developed positive electrode material is Li(Ni0.5 Mn1.5 )O4 , which was made by replacing part of spinel-type lithium manganese oxide (LiMn2 O4 ) with Ni. By using the valency change of Ni, it becomes possible to...

Full article: http://techon.nikkeibp.co.jp/english/NEWS_EN/20121010/244...

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NEC develops tech to improve Li-ion capacity by 30%

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