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公开(公告)号：US20240021802A1
公开(公告)日：2024-01-18
申请号：US18476421
申请日：2023-09-28
发明人： Tatsuya HASEGAWA , Keiji SHITO , Hanako KATO , Kazunori MUKUNOKI , Hiroki HATAKEYAMA , Keiichi SEKI
CPC分类号： H01M4/366 , H01M4/587 , H01M4/133 , H01M4/62 , H01M2004/027
摘要： The present invention has been made in view of such background arts, and an object thereof is to provide a coated carbon material that can provide a secondary battery not only maintaining capacity, but also having excellent initial efficiency, as compared with a conventional art, and as a result, to provide a high-performance secondary battery. A coated carbon material where a carbon material is coated with a coating film, in which the coating film includes at least one selected from the following compound (X) and a crosslinked product of the following compounds (Y): (X): an acetoacetyl group-containing resin, and (Y): a polyvinyl alcohol-based resin and a silicon element-containing compound.
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公开(公告)号：US20240258505A1
公开(公告)日：2024-08-01
申请号：US18483107
申请日：2023-10-09
发明人： Keiichi SEKI , Satoshi HIRAHARA , Miki IWADE , Tatsuya HASEGAWA , Keiji SHITO
CPC分类号： H01M4/366 , C01B32/21 , C09D129/04 , H01M4/133 , H01M4/137 , H01M4/587 , H01M4/604 , C01P2004/03 , C01P2004/80 , C01P2006/12 , C01P2006/14 , C01P2006/40 , H01M2004/021 , H01M2004/027
摘要： An object is to provide a coated carbon material that can provide a secondary battery excellent in initial efficiency and high in peel strength, and as a result, to provide a high-performance secondary battery, and is achieved by a coated carbon material for a secondary battery, capable of intercalation/deintercalation a lithium ion, the carbon material having a specified coating film with an organic compound.
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