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1.
公开(公告)号:US20240182307A1
公开(公告)日:2024-06-06
申请号:US18406219
申请日:2024-01-08
发明人: Xiaoxia Chen , Xinxin Zhang , Chuying Ouyang , Yongsheng Guo , Jiarui Tian , Xiaoji Zheng , Yu Ma , Ben Liu
CPC分类号: C01B32/05 , H01M4/587 , C01P2002/72 , C01P2002/82 , C01P2004/03 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M2004/027
摘要: The present application provides a hard carbon, a method for preparing the same, a secondary battery comprising the same, and an electrical apparatus comprising the same, where an amount of generated CO2 is detected in thermal programmed desorption-mass spectrum (TPD-MS) to be less than or equal to 1.0 mmoL/g and an amount of generated CO is detected in thermal programmed desorption-mass spectrum to be less than or equal to 2.0 mmoL/g, when the hard carbon is heated from 50° C. to 1,050° C. The present application can improve both the capacity and the first coulomb efficiency of the hard carbon.
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2.
公开(公告)号:US20220359951A1
公开(公告)日:2022-11-10
申请号:US17863299
申请日:2022-07-12
发明人: Yongsheng GUO , Jiarui Tian , Cong Cheng , Na Liu , Chuying Ouyang , Yuanyuan Lan , Shuojian Su
IPC分类号: H01M50/446 , H01M50/403 , H01M50/491
摘要: This application provides a separator, an electrical apparatus containing such separator, and preparation methods thereof. The separator includes a coating layer containing an organic-inorganic hybrid composite compound and provides improved performance in a number of aspects, and the organic-inorganic hybrid composite compound is formed by periodically assembling, along at least one spatial direction, basic units expressed by formula I, Lx(MaCb)y.Az. This application further provides a battery and an electrical device containing such separator, preparation methods thereof, and an organic-inorganic hybrid composite compound for improving performance of a separator.
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公开(公告)号:US12021259B2
公开(公告)日:2024-06-25
申请号:US17866409
申请日:2022-07-15
发明人: Yongsheng Guo , Jiarui Tian , Cong Cheng , Na Liu , Chuying Ouyang , Yuanyuan Lan , Shuojian Su
IPC分类号: H01M50/446 , H01M50/403 , H01M50/414 , H01M50/431 , H01M50/449 , H01M50/451 , H01M50/491
CPC分类号: H01M50/446 , H01M50/403 , H01M50/414 , H01M50/431 , H01M50/449 , H01M50/451 , H01M50/491 , H01M2220/20
摘要: This application provides a separator, an electrical apparatus containing such separator, and preparation methods thereof. The separator includes a coating layer containing an organic-inorganic hybrid composite compound and provides improved performance in a number of aspects, and the organic-inorganic hybrid composite compound is formed by periodically assembling, along at least one spatial direction, basic units expressed by formula I, Lx(MaCb)y·Az. This application further provides a battery and electrical device containing such separator, preparation methods thereof, organic-inorganic hybrid composite compound for improving performance of a separator.
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公开(公告)号:US11944954B2
公开(公告)日:2024-04-02
申请号:US17937457
申请日:2022-10-02
发明人: Jiarui Tian , Yongsheng Guo , Cong Cheng , Xinxin Zhang , Na Liu , Chuying Ouyang
IPC分类号: B01J20/22 , B01J20/28 , H01M50/417 , H01M50/446 , H01M50/449
CPC分类号: B01J20/226 , B01J20/28059 , B01J20/28061 , B01J20/2808 , B01J20/28083 , B01J20/28085 , H01M50/417 , H01M50/446 , H01M50/449
摘要: An organic-inorganic hybrid porous material. The organic-inorganic hybrid porous material contains a doping element A are provided. In some embodiments, the element A is one or more selected from: Li, Na, K, Rb, Cs, Sr, Zn, Mg, Ca, or any combination thereof. An external specific surface area of the organic-inorganic hybrid porous material is 1 to 100 m2/g. A ratio of the external specific surface area to a total specific surface area of the organic-inorganic hybrid porous material is 0.7 to 0.9.
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公开(公告)号:US20230285933A1
公开(公告)日:2023-09-14
申请号:US17937457
申请日:2022-10-02
发明人: Jiarui Tian , Yongsheng Guo , Cong Cheng , Xinxin Zhang , Na Liu , Chuying Ouyang
IPC分类号: B01J20/22 , H01M50/449 , H01M50/446 , H01M50/417 , B01J20/28
CPC分类号: B01J20/226 , B01J20/28059 , B01J20/28061 , B01J20/2808 , B01J20/28083 , B01J20/28085 , H01M50/417 , H01M50/446 , H01M50/449
摘要: An organic-inorganic hybrid porous material. The organic-inorganic hybrid porous material contains a doping element A are provided. In some emodiments, the element A is one or more selected from: Li, Na, K, Rb, Cs, Sr, Zn, Mg, Ca, or any combination thereof. An external specific surface area of the organic-inorganic hybrid porous material is 1 to 100 m2/g. A ratio of the external specific surface area to a total specific surface area of the organic-inorganic hybrid porous material is 0.7 to 0.9.
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