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公开(公告)号：US11515538B2
公开(公告)日：2022-11-29
申请号：US16599714
申请日：2019-10-11
发明人： Binsong Li , Xingcheng Xiao
摘要： An electrode including an electrode active material including lithium (Li) and a polymer layer coating at least a portion of the electrode active material is provided. The polymer layer includes a polymerization product of a monomer having Formula I: where R1 and R2 are independently an aryl or a branched or unbranched C1-C10 alkyl and X1 and X2 are independently chlorine (Cl), bromine (Br), or iodine (I).
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公开(公告)号：US11430994B2
公开(公告)日：2022-08-30
申请号：US16234873
申请日：2018-12-28
发明人： Xingcheng Xiao , Binsong Li , Huajian Gao , Kai Guo
IPC分类号： H01M4/62 , H01M4/36 , H01M4/04 , H01M4/1395 , H01M4/134 , H01M4/38 , H01M4/02 , H01M10/052
摘要： Double-layered protective coatings for lithium metal electrodes, as well as methods of formation relating thereto, are provided. The negative electrode assembly includes an electroactive material layer including lithium metal and a protective dual-layered coating. The protective dual-layered coating includes a polymeric layer disposed on a surface of the electroactive material layer and an inorganic layer disposed on an exposed surface of the polymeric layer. The polymeric layer has an elastic modulus of greater than or equal to about 0.01 GPa to less than or equal to about 410 GPa. The inorganic layer has an elastic modulus of greater than or equal to about 10 GPa to less than or equal to about 1000 GPa.
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公开(公告)号：US20240105982A1
公开(公告)日：2024-03-28
申请号：US17950498
申请日：2022-09-22
发明人： Liang Xi , Binsong Li , SriLakshmi Katar
IPC分类号： H01M10/04
CPC分类号： H01M10/0468 , H01M2004/027 , H01M2220/20
摘要： An apparatus for prismatic battery cell is provided. The apparatus includes a hard outer case defining an internal volume. The apparatus further includes an electrode stack disposed within the internal volume and includes a pair of an anode electrode and a cathode electrode. The electrode stack further includes a plurality of electrode pair layers stacked parallel to each other. The electrode pair layers each include a planar surface. The apparatus further includes a built-in spring configured for pressing against the electrode stack in a direction perpendicular to the planar surface of each of the electrode pair layers.
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公开(公告)号：US20240356176A1
公开(公告)日：2024-10-24
申请号：US18303821
申请日：2023-04-20
发明人： Andrew P. Oury , Liang Xi , Binsong Li , SriLakshmi Katar
IPC分类号： H01M50/54 , H01M10/0585 , H01M50/103 , H01M50/533 , H01M50/536
CPC分类号： H01M50/54 , H01M10/0585 , H01M50/103 , H01M50/533 , H01M50/536
摘要： A prismatic battery cell assembly has a prismatic container that includes a body portion composed of opposed first and second side portions, opposed first and second end portions, a bottom portion, and a top portion. An electrode stack is composed as anodes interleaved with cathodes. Each of the anodes includes a first current collector having an uncoated anode current collector portion that extends in a first direction away from the electrode stack, and each of the cathodes includes a second current collector having an uncoated cathode current collector portion that extends in a second direction away from the electrode stack. A first terminal is joined to the uncoated anode current collector portions of the first current collectors of the anodes, and a terminal is joined to the uncoated cathode current collector portions of the second current collectors of the cathodes.
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公开(公告)号：US11075371B2
公开(公告)日：2021-07-27
申请号：US16229149
申请日：2018-12-21
发明人： Binsong Li , Xingcheng Xiao
IPC分类号： H01M4/134 , H01M4/1395 , H01M10/0525 , H01M4/38 , H01M4/02
摘要： A negative electrode for an electrochemical cell of a secondary lithium metal battery may comprise a metal substrate, a lithium metal layer overlying a major surface of the metal substrate, and a protective interfacial layer formed on a major surface of the lithium metal layer over the metal substrate. The protective interfacial layer may comprise a stack of monomolecular layers including at least one aryl siloxane monomolecular layer overlying the major surface of the lithium metal layer. The protective interfacial layer may be formed on the major surface of the lithium metal layer by applying a mixture of monoaryl silanes to the major surface of the lithium metal layer.
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