公开(公告)号：US20170200946A1

公开(公告)日：2017-07-13

申请号：US15314594

申请日：2015-09-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HIDEAKI OHYAMA ,  IKUO KATSUMATA ,  FUMIO KATO

IPC: H01M4/38 ,  C22C19/00 ,  C22C19/03 ,  H01M10/34 ,  H01M4/36

CPC classification number: H01M4/383 ,  C22C19/007 ,  C22C19/03 ,  H01M4/242 ,  H01M4/364 ,  H01M4/366 ,  H01M10/345 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2300/0014 ,  Y02E60/124

Abstract: Alloy powder for electrodes includes first hydrogen-absorbing alloy particles having a spherical core portion, and non-spherical second hydrogen-absorbing alloy particles. The average particle diameter of the first hydrogen-absorbing alloy is 50 μm or less. The content of the first hydrogen-absorbing alloy is less than 30 vol %.