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公开(公告)号：US20230416907A1
公开(公告)日：2023-12-28
申请号：US18037365
申请日：2020-11-30
申请人： WACKER CHEMIE AG
IPC分类号： C23C16/24 , C23C16/442 , C23C16/04 , C23C16/44 , C23C16/455 , H01M4/36 , H01M4/38 , H01M4/587 , C01B33/02 , C01B33/04
CPC分类号： C23C16/24 , C23C16/442 , C23C16/045 , C23C16/4417 , C23C16/45523 , H01M4/366 , H01M4/386 , H01M4/587 , C01B33/02 , C01B33/043 , H01M2004/027
摘要： Silicon-containing materials along with process for producing and uses for the same. The process includes reacting the silicon-containing materials in a fluidized bed reactor by deposition of silicon from at least one silicon precursor in pores and on the surface of porous particles. A fluidizing gas stream is provided within the fluidized bed reactor that is fully or partly induced to oscillate in a pulsed manner and propagates in the form of a wave and acts on the fluidized bed so as to form a homogeneously fluidized bed as a pulsed gas stream so as to form a homogeneously fluidized bed having a fluidization index FI of at least 0.95. Where the fluidizing gas stream has a superficial velocity which is above a measured minimum fluidization velocity of the pulsed gas stream and where the pulsation is combined with mechanical stirring as a further fluidizing aid.
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公开(公告)号：US20230278877A1
公开(公告)日：2023-09-07
申请号：US18019845
申请日：2021-04-16
申请人： WACKER CHEMIE AG
IPC分类号： C01B33/029 , H01M10/0525 , H01M4/38 , H01M4/36 , H01M4/587
CPC分类号： C01B33/029 , H01M4/366 , H01M4/386 , H01M4/587 , H01M10/0525 , C01P2004/51 , C01P2006/12 , C01P2006/14 , H01M2300/002
摘要： Silicon carbon composite particles and anode materials for use within lithium-ion batteries utilizing the silicon carbon composite particles. Where the silicon carbon composite particles have an alkali metal or alkaline earth metal concentration of 0.05 to 10 wt% and a pH > 7.5.
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