公开(公告)号：US10193141B2

公开(公告)日：2019-01-29

申请号：US15121110

申请日：2015-02-24

Applicant: TODA KOGYO CORP. ,  DENKA COMPANY LIMITED

Inventor： Akihisa Kajiyama ,  Teruaki Santoki ,  Daisuke Morita ,  Ryuta Masaki ,  Takahiko Sugihara ,  Tsuyoshi Wakiyama ,  Kazutoshi Matsumoto ,  Akira Yoda ,  Taro Inada ,  Hiroshi Yokota ,  Takashi Kawasaki

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/131 ,  H01M4/136 ,  H01M4/58 ,  H01M10/052 ,  H01M4/02

Abstract: An object of the present invention is to provide a positive electrode mixture capable of conducting stable charging and discharging with a less amount of gasses generated which has an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium. The present invention relates to a positive electrode mixture comprising carbon black having a bulk density of not more than 0.1 g/cm3, a crystallite size of 10 to 40 Å, an iodine adsorption of 1 to 150 mg/g, a volatile content of not more than 0.1% and a metal impurity content of not more than 20 ppm, and a positive electrode active substance having an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium.

公开(公告)号：US09698420B2

公开(公告)日：2017-07-04

申请号：US14436244

申请日：2013-10-15

Applicant: TODA KOGYO CORP.

Inventor： Kazutoshi Ishizaki ,  Kazuhiko Kikuya ,  Takahiko Sugihara ,  Teruaki Santoki ,  Takamitsu Harada ,  Masaki Nishimura ,  Yuji Mishima ,  Hideaki Sadamura

IPC: H01M4/52 ,  H01M4/525 ,  C01G53/00 ,  H01M4/485 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/052

CPC classification number: H01M4/525 ,  C01G53/006 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/50 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2006/12 ,  H01M4/485 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0525 ,  Y02P70/54

Abstract: The present invention relates to Li-Ni composite oxide particles that exhibit a high initial discharge capacity and are excellent in thermal stability when used as a positive electrode active substance for non-aqueous electrolyte secondary batteries, and a process for producing the Li-Nicomposite oxide particles. The Li-Ni composite oxide particles of the present invention have a composition of LixNi1−y−a−bCoyM1aM2bO2 wherein x, y, a and b represent 1.00≦x≦1.10; 0

公开(公告)号：US20150249248A1

公开(公告)日：2015-09-03

申请号：US14436244

申请日：2013-10-15

Applicant: TODA KOGYO CORP.

Inventor： Kazutoshi Ishizaki ,  Kazuhiko Kikuya ,  Takahiko Sugihara ,  Teruaki Santoki ,  Takamitsu Harada ,  Masaki Nishimura ,  Yuji Mishima ,  Hideaki Sadamura

IPC: H01M4/525 ,  H01M10/0525 ,  H01M4/485 ,  C01G53/00 ,  H01M4/505

CPC classification number: H01M4/525 ,  C01G53/006 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/50 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2006/12 ,  H01M4/485 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0525 ,  Y02P70/54

Abstract: The present invention relates to Li—Ni composite oxide particles that exhibit a high initial discharge capacity and are excellent in thermal stability when used as a positive electrode active substance for non-aqueous electrolyte secondary batteries, and a process for producing the Li—Ni composite oxide particles. The Li—Ni composite oxide particles of the present invention have a composition of LixNi1-y-a-bCoyM1aM2bO2 wherein x, y, a and b represent 1.00≦x≦1.10; 0

Abstract translation: 本发明涉及当用作非水电解质二次电池的正极活性物质时，具有高的初始放电容量和热稳定性优异的Li-Ni复合氧化物颗粒，以及用于制备Li-Ni复合材料的方法 氧化物颗粒。 本发明的Li-Ni复合氧化物颗粒具有LixNi1-y-a-bCoyM1aM2bO2的组成，其中x，y，a和b表示1.00＆nlE; x＆nlE; 1.10; 0