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公开(公告)号：US10680238B2
公开(公告)日：2020-06-09
申请号：US16159457
申请日：2018-10-12
IPC分类号： H01M4/36 , H01M4/587 , H01M4/133 , H01M4/134 , H01M10/0525 , H01M4/38 , H01M4/62 , H01M10/0566
摘要： The invention includes a method to provide composite graphite particles for a nonaqueous secondary battery negative electrode, wherein metal particles capable of alloying with Li can be internally present with favorable dispersibility. The present invention relates to composite graphite particles for a nonaqueous secondary battery negative electrode containing graphite (A) and metal particles (B) capable of alloying with Li, wherein the degree of dispersion of the metal particles (B) in the composite graphite particles is 0.78 or more.
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公开(公告)号：US11605810B2
公开(公告)日：2023-03-14
申请号：US17643200
申请日：2021-12-08
IPC分类号： H01M4/36 , H01M4/587 , H01M4/133 , H01M4/134 , H01M10/0525 , H01M4/38 , H01M4/62 , H01M10/0566
摘要： The invention relates to composite graphite particles for a nonaqueous secondary battery negative electrode containing graphite (A) and metal particles (B) capable of alloying with Li, wherein the degree of dispersion of the metal particles (B) in the composite graphite particles is 0.78 or more and the internal void fraction of the composite graphite particles is 3% or more and 40% or less.
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公开(公告)号：US11936044B2
公开(公告)日：2024-03-19
申请号：US15399423
申请日：2017-01-05
发明人： Shunsuke Yamada , Nobuyuki Ishiwatari , Satoshi Akasaka , Daigo Nagayama , Shingo Morokuma , Koichi Nishio , Iwao Soga , Hideaki Tanaka , Takashi Kameda , Tooru Fuse , Hiromitsu Ikeda
CPC分类号： H01M4/587 , C01B32/21 , H01M4/583 , H01M4/625 , H01M10/0525 , C01P2004/32 , C01P2006/14 , C01P2006/16 , H01M2004/021
摘要： A carbon material for a non-aqueous secondary battery containing a graphite capable of occluding and releasing lithium ions, and having a cumulative pore volume at pore diameters in a range of 0.01 μm to 1 μm of 0.08 mL/g or more, a roundness, as determined by flow-type particle image analysis, of 0.88 or greater, and a pore diameter to particle diameter ratio (PD/d50 (%)) of 1.8 or less, the ratio being given by equation (1A): PD/d50 (%)=mode pore diameter (PD) in a pore diameter range of 0.01 μm to 1 μm in a pore distribution determined by mercury intrusion/volume-based average particle diameter (d50)×100 is provided.
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4.发明申请COMPOSITE GRAPHITE PARTICLES FOR NONAQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, ACTIVE MATERIAL FOR NONAQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, AND NONAQUEOUS SECONDARY BATTERY 审中-公开用于非水性二次电池负极的复合石墨颗粒，非水性二次电池负极电极和非电解二次电池的活性材料公开(公告)号：US20170012280A1
公开(公告)日：2017-01-12
申请号：US15275824
申请日：2016-09-26
CPC分类号： H01M4/364 , H01M4/133 , H01M4/134 , H01M4/38 , H01M4/386 , H01M4/587 , H01M4/62 , H01M4/622 , H01M4/625 , H01M10/0525 , H01M10/0566 , Y02T10/7011
摘要： An object of the present invention is to provide composite graphite particles for a nonaqueous secondary battery negative electrode, wherein metal particles capable of alloying with Li can be internally present with favorable dispersibility. The present invention relates to composite graphite particles for a nonaqueous secondary battery negative electrode containing graphite (A) and metal particles (B) capable of alloying with Li, wherein the degree of dispersion of the metal particles (B) in the composite graphite particles is 0.78 or more.
摘要翻译： 本发明的目的在于提供一种非水系二次电池用负极用复合石墨粒子，其中与Li的合金化的金属粒子可以在内部存在，分散性良好。 本发明涉及含有石墨（A）和能够与Li合金化的金属粒子（B）的非水系二次电池用负极复合石墨粒子，其中复合石墨粒子中的金属粒子（B）的分散度为 0.78以上。
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公开(公告)号：US11245108B2
公开(公告)日：2022-02-08
申请号：US16866688
申请日：2020-05-05
IPC分类号： H01M4/36 , H01M4/587 , H01M4/133 , H01M4/134 , H01M10/0525 , H01M4/38 , H01M4/62 , H01M10/0566
摘要： The invention includes a method to provide composite graphite particles for a nonaqueous secondary battery negative electrode, wherein metal particles capable of alloying with Li can be internally present with favorable dispersibility. The present invention relates to composite graphite particles for a nonaqueous secondary battery negative electrode containing graphite (A) and metal particles (B) capable of alloying with Li, wherein the degree of dispersion of the metal particles (B) in the composite graphite particles is 0.78 or more.
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