公开(公告)号：US11539055B2

公开(公告)日：2022-12-27

申请号：US14775111

申请日：2014-03-07

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Hironori Iida ,  Seiichiro Tabata ,  Shun Yamanoi ,  Shinichiro Yamada

IPC: H01M4/96 ,  H01M12/08 ,  H01M4/90 ,  H01M4/38

Abstract: An air-metal secondary battery has an electrode including a porous carbon material, wherein the porous carbon material has a specific surface area of 280 m2/g or more, preferably 700 m2/g or more, more preferably 1,500 m2/g or more, as determined by a nitrogen BET method, and the air-metal secondary battery has an average charging voltage of 4.4 V or less, preferably 4.3 V or less, more preferably 4.1 V or less.

公开(公告)号：US10290875B2

公开(公告)日：2019-05-14

申请号：US14905135

申请日：2014-05-20

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Shun Yamanoi ,  Seiichiro Tabata ,  Hironori Iida ,  Kenji Kishimoto ,  Yosuke Saito ,  Shinichiro Yamada ,  Kazumasa Takeshi ,  Koichiro Hinokuma

IPC: H01M4/583 ,  H01M4/62 ,  H01M4/38 ,  H01M4/66 ,  H01M4/13 ,  H01M4/139 ,  H01M10/052

Abstract: An electrode material for a secondary cell includes a porous carbon material having an absolute value of a differential value of a mass using a temperature as a parameter exceeding 0 at 360° C. and being 0.016 or more at 290° C. provided by thermally analyzing a mixture of the porous carbon material and S8 sulfur at a mass ratio of 1:2.