公开(公告)号：US20230128413A1

公开(公告)日：2023-04-27

申请号：US17551753

申请日：2021-12-15

申请人： Bradley R. Frieberg ,  Zhongyi Liu ,  Xiaosong Huang ,  Mark W. Verbrugge ,  Zhe Li

发明人： Bradley R. Frieberg ,  Zhongyi Liu ,  Xiaosong Huang ,  Mark W. Verbrugge ,  Zhe Li

IPC分类号： H01M4/38 ,  H01M4/134 ,  H01M4/1395 ,  H01M10/0525

摘要： An anode material includes a plurality of negative solid-state electroactive particles. Each of the plurality of negative solid-state electroactive particles may include a lithium-doped silicon oxide and a solid electrolyte coating at least substantially continuously disposed over substantially all of the surface of the lithium-doped silicon oxide.

公开(公告)号：US09287540B2

公开(公告)日：2016-03-15

申请号：US13149117

申请日：2011-05-31

申请人： Xiaosong Huang

发明人： Xiaosong Huang

IPC分类号： H01M6/42 ,  H01M2/14 ,  H01M10/0525 ,  H01M2/16 ,  H01M2/34 ,  H01M10/0566

CPC分类号： H01M2/145 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1673 ,  H01M2/348 ,  H01M10/0525 ,  H01M10/0566 ,  Y02E60/122 ,  Y02T10/7011

摘要： A separator for use in a lithium ion battery to provide a physical and electrically insulative mechanical barrier between confronting inner face surfaces of a negative electrode and a positive electrode may be formed predominantly of heat-resistant particles. The heat-resistant particles, which have diameters that range from about 0.01 μm to about 10 μm, are held together as a thin-layered, handleable, and unified mass by a porous inert polymer material. The high content of heat-resistant particles amassed between the confronting inner face surfaces of the negative and positive electrodes provides the separator with robust thermal stability at elevated temperatures. Methods for making these types of separators by a phase-separation process are also disclosed.

摘要翻译： 用于锂离子电池的用于在负极和正电极的相对的内表面之间提供物理和电绝缘的机械屏障的隔板可以主要由耐热颗粒形成。 具有约0.01μm至约10μm范围内的直径的耐热颗粒通过多孔惰性聚合物材料作为薄层，可处理和统一的质量保持在一起。 积聚在负电极和正电极的相对的内表面之间的耐热颗粒的高含量为隔膜提供了在升高的温度下的鲁棒热稳定性。 还公开了通过相分离方法制造这些类型的分离器的方法。

公开(公告)号：US09138932B2

公开(公告)日：2015-09-22

申请号：US13407893

申请日：2012-02-29

申请人： Xiaosong Huang

发明人： Xiaosong Huang

IPC分类号： H01M2/16 ,  H01M4/82 ,  B29C47/06 ,  B29C47/02 ,  B29C47/54 ,  H01M2/14 ,  B29C47/00 ,  B29C47/04 ,  H01M10/0525

CPC分类号： B29C47/025 ,  B29C47/0014 ,  B29C47/04 ,  B29C47/54 ,  H01M2/145 ,  H01M2/162 ,  H01M10/0525 ,  Y02T10/7011 ,  Y10T29/49108

摘要： A method of making a separator for an electrochemical battery cell of a lithium ion battery includes electrospinning a non-woven polymer fiber mat onto a collection face of a collector substrate. The separator may be formed entirely of the electrospun non-woven polymer fiber mat or it may be a multi-layer composite that contains other components in addition to the electrospun non-woven polymer fiber mat. The collector substrate comprises an electrode (positive or negative) optionally covered with a ceramic particle layer such that electrospinning of the non-woven polymer fiber mat forms an electrode-separator integral segment. The electrode-separator integral segment may then be assembled into an electrochemical battery cell of a lithium ion battery.

摘要翻译： 制备锂离子电池的电化学电池单元的隔板的方法包括将非织造聚合物纤维垫静电纺丝到收集基板的收集面上。 分离器可以完全由静电纺丝聚合物纤维毡形成，或者可以是除了电纺丝非织造聚合物纤维垫之外还包含其它组分的多层复合材料。 集电器衬底包括任选地覆盖有陶瓷颗粒层的电极（正极或负极），使得无纺聚合物纤维垫的静电纺丝形成电极隔板整体段。 然后可以将电极分离器整体段组装成锂离子电池的电化学电池单元。

公开(公告)号：US20140023931A1

公开(公告)日：2014-01-23

申请号：US13551956

申请日：2012-07-18

申请人： Xiaosong Huang

发明人： Xiaosong Huang

IPC分类号： H01M10/0565

CPC分类号： H01M10/0525 ,  H01M10/0565 ,  H01M2300/0085 ,  Y02E60/122 ,  Y02T10/7011

摘要： An electrochemical battery cell of a lithium ion battery has a physically cross-linked gel electrolyte situated between a negative electrode and a positive electrode. The gel electrolyte includes a block co-polymer host and a liquid electrolyte, which can transport lithium ions, absorbed into the block co-polymer host. The block co-polymer host includes poly(alkylene oxide) block units and physically cross-linkable block units. A few preferred physically cross-linkable block units that may be employed include polyamide block units and poly(terephthalate)ester block units.

摘要翻译： 锂离子电池的电化学电池单元具有位于负极和正极之间的物理交联凝胶电解质。 凝胶电解质包括嵌段共聚物主体和液体电解质，其可以输送被吸收到嵌段共聚物主体中的锂离子。 嵌段共聚物主体包括聚（环氧烷）嵌段单元和物理上可交联的嵌段单元。 可以使用的一些优选的物理可交联的嵌段单元包括聚酰胺嵌段单元和聚（对苯二甲酸酯）酯嵌段单元。

公开(公告)号：US08470898B2

公开(公告)日：2013-06-25

申请号：US13149205

申请日：2011-05-31

申请人： Xiaosong Huang

发明人： Xiaosong Huang

IPC分类号： C08J9/00 ,  H01M2/16

CPC分类号： H01M2/145 ,  H01M2/166

摘要： A porous thin-film polymer separator for use in a lithium ion battery may be formed by a phase separation method in which hydrophobic-treated ceramic particles are used to help induce the formation of a tortuous, interconnected network of pores coextensively across the thickness of the separator. As part of the phase separation method, a wet thin-film layer is formed from a polymer slurry that comprises a polymer solvent in which a polymer material is dissolved and the hydrophobic-treated ceramic particles are dispersed. The wet thin-film layer is subsequently exposed to a polymer non-solvent to form a solvent-exchanged thin-film precipitated polymer layer which is then heated to produce the separator.

摘要翻译： 用于锂离子电池的多孔薄膜聚合物分离器可以通过相分离方法形成，其中使用疏水处理的陶瓷颗粒来帮助诱导形成一个曲折的，互相连通的孔的网络跨越厚度 分隔器。 作为相分离方法的一部分，由包含聚合物溶剂的聚合物浆料形成湿的薄膜层，其中聚合物材料被溶解并且疏水处理的陶瓷颗粒被分散。 随后将湿的薄膜层暴露于聚合物非溶剂以形成溶剂交换的薄膜沉淀聚合物层，然后将其加热以产生隔膜。

公开(公告)号：US08470468B2

公开(公告)日：2013-06-25

申请号：US12704694

申请日：2010-02-12

申请人： Xingcheng Xiao ,  Xiaosong Huang ,  Mark W. Verbrugge ,  Ion C. Halalay

发明人： Xingcheng Xiao ,  Xiaosong Huang ,  Mark W. Verbrugge ,  Ion C. Halalay

IPC分类号： H01M2/16

CPC分类号： H01M10/052 ,  H01M2/16 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  H01M10/0565 ,  Y02T10/7011

摘要： A porous polymer sheet or membrane is provided with a thin coating of an electrically non-conductive ceramic composition and the coating conforms to all surfaces, including the pore surfaces, of the membrane. Such a coated membrane serves well, for example, as an intra-cell separator in a lithium ion battery. The coating increases the mechanical properties and thermal stability of the separator in battery operation and retains electrolyte. The coating may be formed by a two-step vapor-phase process in which atoms of one or more metals such as aluminum, calcium, magnesium, titanium, silicon and/or zirconium are deposited in a conformal layer on a workpiece surface. The metal atoms may then be reacted with ammonia, carbon dioxide, and or water to form their respective non-conductive nitrides, carbides, and/or oxides on the surface. The two-step process is repeated as necessary to obtain a ceramic material coating of desired thickness.

摘要翻译： 多孔聚合物片或膜设置有非导电陶瓷组合物的薄涂层，并且涂层符合膜的所有表面，包括孔表面。 这样的涂布膜例如作为锂离子电池中的细胞内分离器良好地起作用。 涂层在电池操作中增加了隔膜的机械性能和热稳定性，并保持了电解液。 涂层可以通过两步气相法形成，其中一种或多种金属如铝，钙，镁，钛，硅和/或锆的原子沉积在工件表面上的共形层中。 然后可以将金属原子与氨，二氧化碳和/或水反应，以在表面上形成它们各自的非导电氮化物，碳化物和/或氧化物。 根据需要重复两步法以获得所需厚度的陶瓷材料涂层。

公开(公告)号：US08460591B2

公开(公告)日：2013-06-11

申请号：US12729722

申请日：2010-03-23

申请人： Xiaosong Huang ,  Hamid G. Kia

发明人： Xiaosong Huang ,  Hamid G. Kia

IPC分类号： B29C67/20

CPC分类号： C08J9/28 ,  B29C67/202 ,  C08L33/20 ,  H01M2/145 ,  H01M2/1613 ,  H01M2/1653 ,  H01M2300/0085

摘要： The instant disclosure relates to porous membranes and methods of making the same. An example of the method includes exposing a polymeric film (including a polymer and i) a gel-forming polymer, ii) ceramic particles, or iii) combinations of i and ii) established on a carrier belt to a non-solvent or a slightly miscible solvent of a polymer in the polymeric film, thereby inducing formation of a porous structure in the polymeric film. The method further includes transporting the polymeric film on the carrier belt into a bath of a non-solvent or a slightly miscible solvent of the polymer for a predetermined time thereby finalizing the formation of the porous structure and forming the porous membrane. The porous membrane is removed from the non-solvent or slightly miscible solvent bath.

摘要翻译： 本公开涉及多孔膜及其制备方法。 该方法的一个实例包括将聚合物膜（包括聚合物和i）凝胶形成聚合物，ii）陶瓷颗粒，或iii）在载体带上建立至非溶剂或略 聚合物膜中聚合物的混溶溶剂，从而在聚合物膜中引起多孔结构的形成。 该方法还包括将载体带上的聚合物膜输送到聚合物的非溶剂或轻微混溶溶剂的浴中预定的时间，由此最终形成多孔结构并形成多孔膜。 从非溶剂或轻微混溶的溶剂浴中除去多孔膜。

公开(公告)号：US20120309860A1

公开(公告)日：2012-12-06

申请号：US13149205

申请日：2011-05-31

申请人： Xiaosong Huang

发明人： Xiaosong Huang

IPC分类号： C08J9/28

CPC分类号： H01M2/145 ,  H01M2/166

摘要： A porous thin-film polymer separator for use in a lithium ion battery may be formed by a phase separation method in which hydrophobic-treated ceramic particles are used to help induce the formation of a tortuous, interconnected network of pores coextensively across the thickness of the separator. As part of the phase separation method, a wet thin-film layer is formed from a polymer slurry that comprises a polymer solvent in which a polymer material is dissolved and the hydrophobic-treated ceramic particles are dispersed. The wet thin-film layer is subsequently exposed to a polymer non-solvent to form a solvent-exchanged thin-film precipitated polymer layer which is then heated to produce the separator.

摘要翻译： 用于锂离子电池的多孔薄膜聚合物分离器可以通过相分离方法形成，其中使用疏水处理的陶瓷颗粒来帮助诱导形成一个曲折的，互相连通的孔的网络跨越厚度 分隔器。 作为相分离方法的一部分，由包含聚合物溶剂的聚合物浆料形成湿的薄膜层，其中聚合物材料被溶解并且疏水处理的陶瓷颗粒被分散。 随后将湿的薄膜层暴露于聚合物非溶剂以形成溶剂交换的薄膜沉淀聚合物层，然后将其加热以产生隔膜。

公开(公告)号：US20120219852A1

公开(公告)日：2012-08-30

申请号：US13036000

申请日：2011-02-27

申请人： Xiaosong Huang ,  Yan Wu

发明人： Xiaosong Huang ,  Yan Wu

IPC分类号： H01M10/02 ,  H01M4/04 ,  H01M10/04 ,  H01M4/62

CPC分类号： H01M4/622 ,  H01M4/13 ,  H01M4/386 ,  H01M4/387 ,  H01M4/583 ,  H01M4/625 ,  H01M4/626 ,  H01M10/0525 ,  Y02E60/122 ,  Y02T10/7011 ,  Y10T29/49108 ,  Y10T29/49115

摘要： A negative electrode for a lithium ion battery includes an active electrode material, a conductive additive, and a binder for holding the active electrode material and the conductive additive together. The binder is chosen from polyethyleneimine, copolymers of polyethyleneimine, amine functionalized polyamides, proteins, and combinations thereof.

摘要翻译： 用于锂离子电池的负极包括活性电极材料，导电添加剂和用于将活性电极材料和导电添加剂保持在一起的粘合剂。 粘合剂选自聚乙烯亚胺，聚乙烯亚胺的共聚物，胺官能化的聚酰胺，蛋白质及其组合。

公开(公告)号：US09172075B2

公开(公告)日：2015-10-27

申请号：US12974269

申请日：2010-12-21

申请人： Hamid G. Kia ,  Xiaosong Huang ,  Mark W. Verbrugge

发明人： Hamid G. Kia ,  Xiaosong Huang ,  Mark W. Verbrugge

IPC分类号： B29D7/00 ,  C08J9/28 ,  B29C44/22 ,  H01M2/16 ,  H01M2/18 ,  H01M10/0525 ,  H01M10/0585 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587

CPC分类号： H01M2/1653 ,  H01M2/18 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0585 ,  Y02E60/122 ,  Y10T29/49115

摘要： A porous polymer battery separator is provided that includes variable porosity along its length. Such battery separators can increase the uniformity of the current density within electrochemical battery cells that may normally experience higher current density and higher temperatures near their terminal ends than they do near their opposite ends. By disposing a variable porosity separator between the electrodes of an electrochemical cell such that its terminal end has a lower porosity than its opposite end, the transport of ions, such as lithium ions, through the separator can be more restricted in normally high current regions and less restricted in normally low current regions, thereby increasing the overall uniformity of current density within the battery cell. Variable porosity battery separators may be produced by a modified solvent exchange process. The process may include forming a polymer-containing film having a non-uniform thickness, selectively densifiying the film so that it has a non-uniform polymer concentration, and inducing variable porosity in the film.

摘要翻译： 提供了一种多孔聚合物电池隔板，其包括沿其长度的可变孔隙率。 这样的电池隔离器可以增加电化学电池单元内的电流密度的均匀性，其通常可能比它们的相对端附近在其终端附近经历更高的电流密度和更高的温度。 通过在电化学电池的电极之间设置可变的孔隙分离器，使得其末端具有比其相对端更低的孔隙率，通常通过隔膜的离子（例如锂离子）的输送可以在通常的高电流区域中受到更多的限制， 在正常低电流区域中较少受限制，从而增加电池单元内的电流密度的总体均匀性。 可变孔隙率电池分离器可以通过改性的溶剂交换方法生产。 该方法可以包括形成具有不均匀厚度的含聚合物的膜，选择性地使膜密实，使得其具有不均匀的聚合物浓度，并且在膜中引起可变的孔隙率。