公开(公告)号：US20190237768A1

公开(公告)日：2019-08-01

申请号：US16342819

申请日：2017-11-06

Applicant: National Institute of Advanced Industrial Science and Technology

Inventor： Hiroyuki Shimada ,  Toshiaki Yamaguchi ,  Yuki Yamaguchi

IPC: H01M4/86 ,  H01M4/88 ,  H01M8/12 ,  C04B35/01 ,  C04B35/50 ,  C04B35/488 ,  C04B35/626 ,  C04B35/64

CPC classification number: H01M4/8652 ,  C04B35/01 ,  C04B35/488 ,  C04B35/50 ,  C04B35/62695 ,  C04B35/64 ,  C04B2235/3229 ,  C04B2235/3246 ,  C04B2235/3275 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  H01M4/86 ,  H01M4/88 ,  H01M4/8875 ,  H01M8/12 ,  H01M2008/1293

Abstract: A composite particle powder includes an electron-conducting material and an ion-conducting material that are agglomerated together; the composite particle powder having a volume-based 50% particle diameter (D50) of 0.1 to 2.0 μm in particle size distribution measurement, a volume-based D75/D25 of 1.1 to 2.2 in particle size distribution measurement, D50 and a BET specific surface that satisfy the following: (I) 0.1 μm≤D50≤0.5 μm, larger than 20 m2/g and 200 m2/g or less; (II) 0.5 μm