公开(公告)号：US20160276661A1

公开(公告)日：2016-09-22

申请号：US15031650

申请日：2014-10-07

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Hideaki OHYAMA ,  Akiko OKABE ,  Fumio KATO

IPC: H01M4/38 ,  H01M10/24 ,  H01M4/24 ,  H01M10/28 ,  H01M2/14 ,  H01M4/36

CPC classification number: H01M4/385 ,  B22F1/0003 ,  H01M2/14 ,  H01M4/242 ,  H01M4/364 ,  H01M4/381 ,  H01M4/383 ,  H01M10/24 ,  H01M10/286 ,  H01M10/345 ,  H01M2004/027 ,  Y02E60/124

Abstract: Provided is an electrode alloy powder that is useful to obtain a nickel-metal hydride storage battery having a high battery capacity and a reduced self-discharge. The alloy powder is: a mixture including particles of a first hydrogen storage alloy having an AB5-type crystal structure, and particles of at least one second hydrogen storage alloy selected from the group consisting of a hydrogen storage alloy a having an AB2-type crystal structure and a hydrogen storage alloy b having an AB3-type crystal structure, wherein an amount of the first hydrogen storage alloy included in the mixture is greater than 50 mass %.

Abstract translation: 提供一种电极合金粉末，其可用于获得具有高电池容量和减少的自放电的镍氢蓄电池。 合金粉末是：包含具有AB5型晶体结构的第一储氢合金颗粒和至少一种第二储氢合金的颗粒的混合物，其选自具有AB2型晶体的储氢合金a 结构和具有AB3型晶体结构的储氢合金b，其中包含在混合物中的第一储氢合金的量大于50质量％。