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公开(公告)号：US11955638B2
公开(公告)日：2024-04-09
申请号：US18091176
申请日：2022-12-29
申请人： Sony Corporation
IPC分类号： H01M4/587 , B01J20/20 , B01J20/28 , C01B32/00 , C01B32/30 , C01B32/318 , C01B32/336 , H01G11/24 , H01G11/34 , H01M4/02 , H01M4/583 , H01M10/0525
CPC分类号： H01M4/587 , B01J20/20 , B01J20/28033 , B01J20/28059 , B01J20/28061 , B01J20/28071 , C01B32/00 , C01B32/30 , C01B32/318 , C01B32/336 , H01G11/24 , H01G11/34 , H01M4/583 , C01P2006/12 , C01P2006/14 , H01M2004/021 , H01M2004/027 , H01M10/0525 , H01M2220/30 , Y02E60/13
摘要： A sheet-shaped member is provided and includes a porous carbon material including a material obtained from carbonization of a raw material including rice husk, the raw material having a silicon content of at least 5 wt %, the raw material is heat treated before carbonization, and the raw material is treated by an alkali treatment after carbonization to reduce the silicon content, the porous carbon material having a specific surface area of at least 10 m2/g as measured by the nitrogen BET method, a pore volume of at least 0.1 cm3/g as measured by the BJH method and MP method, and an R value of 1.5 or greater, wherein the porous carbon material includes mesopores having pore sizes from 2 nm to 50 nm and obtained from the alkali treatment of the raw material after carbonization, the porous carbon material further includes macropores and micropores, the R value is expressed as R=B/A, the A referring to an intensity at an intersection between the baseline of a diffraction peak of the (002) plane as obtained based on powdery X-ray diffractometry of the porous carbon material and a perpendicular line downwardly drawn from the diffraction peak of the (002) plane, and the B referring to the intensity of the diffraction peak of the (002) plane.
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公开(公告)号：US11545665B2
公开(公告)日：2023-01-03
申请号：US16900268
申请日：2020-06-12
申请人： Sony Corporation
IPC分类号： H01M4/587 , C01B32/30 , C01B32/318 , C01B32/324 , C01B32/354 , H01G11/34 , H01G11/24 , B01J20/28 , H01M4/583 , B01J20/20 , C01B32/00 , C01B32/336 , H01M4/02 , H01M10/0525
摘要： A carbon-polymer complex is provided and includes a porous carbon material and a binder, wherein the porous carbon material includes a material obtained from carbonization of a raw material including rice husk, the raw material having a silicon content of at least 5 wt %, the raw material is heat treated before carbonization, and the raw material is treated by an alkali treatment after carbonization to reduce the silicon content, the porous carbon material having a specific surface area of at least 10 m2/g as measured by the nitrogen BET method, a pore volume of at least 0.1 cm3/g as measured by the BJH method and MP method, and an R value of 1.5 or greater, wherein the porous carbon material includes mesopores having pore sizes from 2 nm to 50 nm and obtained from the alkali treatment of the raw material after carbonization, the porous carbon material further includes macropores and micropores.
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公开(公告)号：US10756346B2
公开(公告)日：2020-08-25
申请号：US15417756
申请日：2017-01-27
申请人： Sony Corporation
IPC分类号： H01M4/587 , H01M4/583 , H01M4/02 , H01G11/24 , H01G11/34 , H01G9/00 , B01J20/28 , B01J20/20 , C01B32/00 , C01B32/336 , C01B32/30 , H01M10/0525
摘要： A porous carbon material is provided. The porous carbon material having a value of specific surface area of at least 10 m2/g as measured by a nitrogen BET method, a pore volume of at least 0.1 cm3/g as measured by a BJH method and a MP method, and a R value of 1.5 or greater, wherein the R value is expressed as R=B/A, wherein A is an intensity at an intersection between a baseline of a diffraction peak of a (002) plane as obtained based on powdery X-ray diffractometry of the porous carbon material and a perpendicular line downwardly drawn from the diffraction peak of the (002) plane, and wherein B is an intensity of the diffraction peak of the (002) plane.
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