公开(公告)号：US06440607B1

公开(公告)日：2002-08-27

申请号：US09485293

申请日：2000-02-08

申请人： Kazuhiko Harada ,  Kouji Taguchi ,  Hideharu Suzuki

发明人： Kazuhiko Harada ,  Kouji Taguchi ,  Hideharu Suzuki

IPC分类号： H01M830

CPC分类号： H01M4/622 ,  H01M2/20 ,  H01M4/242 ,  H01M4/32 ,  H01M4/383 ,  H01M4/621 ,  H01M4/624 ,  H01M4/626 ,  H01M4/742 ,  H01M6/10 ,  H01M10/345 ,  H01M2010/4292 ,  Y10S420/90

摘要： A nickel-hydrogen secondary battery has a positive electrode including a positive electrode mixture which contains a nickel compound as a major component and which is supported on a collector sheet, a negative electrode including a negative electrode mixture which contains a hydrogen absorbing alloy as a major component, a binder and an electrically conductive material and which is supported on a collector sheet, the positive and negative electrodes being stacked up alternately or rolled up with a separator interposed therebetween to form an electrode group, and a battery case containing the electrode group together with an electrolyte, the battery case having an opening closed with a sealing plate which is provided with a positive electrode terminal, wherein the binder contains at least carboxylated styrene-butadiene copolymer latex, the conductive material contains metal flakes or short metal fibers, and an edge portion of the collector sheet of the negative electrode is electrically connected to the battery case via a collector plate welded to the edge portion of the collector sheet.

摘要翻译： 镍氢二次电池具有正极，其包括含有镍化合物作为主要成分并负载在集电体片上的正极混合物，负极包括含有吸氢合金作为主要的负极混合物 组分，粘合剂和导电材料，并且其被支撑在集电体片上，所述正极和负极交替堆叠或者用分隔件间隔起来形成电极组，并且将包含所述电极组的电池壳组合在一起 在电解质中，电池壳体具有封闭的开口，该密封板设置有正极端子，其中粘合剂至少含有羧化苯乙烯 - 丁二烯共聚物胶乳，导电材料含有金属薄片或短金属纤维， 负极的集电体片的边缘部分是电气的 通过焊接到集电板的边缘部分的集电板连接到电池盒。