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公开(公告)号:US20240283087A1
公开(公告)日:2024-08-22
申请号:US18570638
申请日:2022-06-15
发明人: Huizhen HUANG , Dandan YANG , Weiyan CHEN , Di XIONG , Zelin CHEN , Yulin LIN
IPC分类号: H01M50/403 , H01M50/414 , H01M50/417 , H01M50/42 , H01M50/426 , H01M50/429 , H01M50/434 , H01M50/446 , H01M50/449 , H01M50/451 , H01M50/457
CPC分类号: H01M50/403 , H01M50/414 , H01M50/417 , H01M50/42 , H01M50/426 , H01M50/4295 , H01M50/434 , H01M50/446 , H01M50/449 , H01M50/451 , H01M50/457
摘要: A coating slurry for a battery separator includes an organic polymer, a solvent, and a photoinitiator. A coated separator prepared with the coating slurry, and a preparation method of the coated separator are also provided. The preparation method of the coated separator includes: coating the coating slurry on at least one surface of a substrate, and irradiating a coated substrate under ultraviolet (UV) light with a set energy and wavelength to allow UV crosslinking to obtain the coated separator.
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公开(公告)号:US20240356158A1
公开(公告)日:2024-10-24
申请号:US18759062
申请日:2024-06-28
发明人: Yanjie WANG , Zelin CHEN , Hua SUN , Jianqiang SHEN , Bin TAN
IPC分类号: H01M50/446 , C08K3/22 , C08K3/32 , C08K7/02 , C09D129/04 , C09D133/02 , H01M50/403 , H01M50/42 , H01M50/434 , H01M50/449
CPC分类号: H01M50/446 , C09D129/04 , C09D133/02 , H01M50/403 , H01M50/42 , H01M50/434 , H01M50/449 , C08K2003/2227 , C08K2003/325 , C08K7/02 , C08K2201/003 , C08K2201/005
摘要: The present disclosure provides a coating for battery separator, a preparation method thereof, a battery separator and a battery, where a coating slurry of the coating for the battery separator includes a dispersion medium, a nanomaterial, and a polymer containing polar functional groups; the coating has a surface pore size of 10 nm-30 nm, and a surface roughness of 200 nm-500 nm, and the coating has a hydroxyl content of 100 mg KOH/g-4000 mg KOH/g. The coating for battery separator, the preparation method thereof, the battery separator and the battery can solve a problem of deformation of battery separators due to the induction of electrolyte solutions.
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公开(公告)号:US20240128589A1
公开(公告)日:2024-04-18
申请号:US18523828
申请日:2023-11-29
发明人: Yanjie WANG , Zelin CHEN , Lujing LIN , Jianqiang SHEN , Xiufeng CHEN
IPC分类号: H01M50/457 , H01M50/403 , H01M50/429 , H01M50/44 , H01M50/454 , H01M50/489
CPC分类号: H01M50/457 , H01M50/403 , H01M50/4295 , H01M50/44 , H01M50/454 , H01M50/489
摘要: The present disclosure provides a battery, a separator for a battery and a method for preparing the separator, where the separator for a battery includes a base film and a coating structure disposed on the base film, the coating structure includes a plurality of material layers, and each material layer contains one-dimensional nanomaterials, and average lengths of one-dimensional nanomaterials in respective material layers are decreased layer by layer in a direction away from the base film.
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