-
公开(公告)号:US20240347709A1
公开(公告)日:2024-10-17
申请号:US18751373
申请日:2024-06-24
发明人: Yale Wu , Ming Zhang , Jimin Yang
IPC分类号: H01M4/36 , B01J21/06 , B01J23/745 , B01J35/45 , B01J37/02 , B01J37/18 , C01B32/162 , C01B33/02 , H01M4/02 , H01M4/38 , H01M4/587
CPC分类号: H01M4/366 , B01J21/06 , B01J23/745 , B01J35/45 , B01J37/0207 , B01J37/0236 , B01J37/18 , C01B32/162 , C01B33/02 , H01M4/386 , H01M4/587 , C01B2202/22 , C01B2202/34 , C01P2004/03 , C01P2004/13 , C01P2004/61 , C01P2004/80 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M2004/021 , H01M2004/027
摘要: Provided are a silicon negative electrode material, which is characterized by comprising silicon particles and carbon nanotubes grown on the surface of the silicon particles, wherein the carbon nanotubes comprise fluffy carbon nanotubes and intertwined filamentary carbon nanotubes, and the silicon particles are wrapped by the fluffy carbon nanotubes and the filamentary carbon nanotubes. Further provided is a method for preparing the silicon negative electrode material.