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A nickel–zinc battery, abbreviated NiZn, is a type of rechargeable battery that may be used in cordless power tools, cordless telephones, digital cameras, battery operated lawn and garden tools, professional photography, flashlights, electric bikes, and light electric vehicle sectors, among other uses. Larger nickel–zinc battery systems have been known for over 100 years. Since 2000, development of a stabilized zinc electrode system has made this technology viable and competitive with other commercially available rechargeable battery systems. == History == In 1901, Thomas Alva Edison was awarded for a rechargeable nickel–zinc battery system.〔 "Building A Better Battery", Kerry A. Dolan, Forbes.com, ''Forbes'' magazine, 11 May 2009, accessed 2011-02-12, (Forbes-44 ). 〕 The battery was later developed by the Irish chemist Dr. James J. Drumm (1897–1974),〔(【引用サイトリンク】title=Famous Irish Chemists: James J. Drumm )〕 and installed in four two-car Drumm railcar sets between 1932 and 1948 for use on the Dublin–Bray railway line. Although successful, they were withdrawn when the batteries wore out. Early nickel–zinc batteries were plagued by a limited number of discharge/recharge cycles. In the 1960s, nickel–zinc batteries were investigated as an alternative to silver–zinc batteries for military applications, and in the 1970s, were again of interest for electric vehicles.〔 A company called ''Evercel Inc.'' developed and patented several improvements in nickel–zinc batteries, but withdrew from that area in 2004.〔(Evercel financial statement 2007 ), Evercel.com, page 9, retrieved 23 November 2010.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nickel–zinc battery」の詳細全文を読む スポンサード リンク
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