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1. 发明申请

WO2018165825A1 METHODS TO STABILIZE LITHIUM TITANATE OXIDE (LTO) BY SURFACE COATING 审中-公开
公开(公告)号：WO2018165825A1
公开(公告)日：2018-09-20
申请号：PCT/CN2017/076454
申请日：2017-03-13
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , LU, Peng
发明人： LU, Peng , BALOGH, Michael P. , YU, Zhiqiang , LIU, Helen , HADDAD, Daad B.
IPC分类号： H01M4/36
摘要： Methods of pretreating an electroactive material comprising lithium titanate oxide (LTO) include contacting a surface of the electroactive material with a pretreatment composition. In one variation, the pretreatment composition includes a salt of lithium fluoride salt selected from the group consisting of: lithium hexafluorophosphate (LiPF 6 ), lithium tetrafluoroborate (LiBF 4 ), and combinations thereof, and a solvent. In another variation, the pretreatment composition includes an organophosphorus compound. In this manner, a protective surface coating forms on the surface of the electroactive material. The protective surface coating comprises fluorine, oxygen, phosphorus or boron, as well as optional elements such as carbon, hydrogen, and listed metals, and combinations thereof.

2. 发明申请

WO2018165824A1 METHODS TO STABILIZE LITHIUM TITANATE OXIDE (LTO) BY ELECTROLYTE PRETREATMENT 审中-公开
公开(公告)号：WO2018165824A1
公开(公告)日：2018-09-20
申请号：PCT/CN2017/076453
申请日：2017-03-13
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , LU, Peng
发明人： LU, Peng , BALOGH, Michael, P. , YU, Zhiqiang , LIU, Helen
IPC分类号： H01M10/00 , H01M4/48
摘要： An electrolyte can be pretreated by contacting with an oxide species (e. g., SiO 2 , SiO x , where 1≤x≤2, TiO 2 ). The electrolyte comprises LiPF 6 and a carbonate solvent. A reaction occurs to form a pretreated electrolyte comprising a compound selected from the group consisting of: M a P x' O y F z , M a P x' O y F z C n H m , and combinations thereof, where when P in the formula is normalized to 1 so that x' is equal to about 1, 0 a is selected from Li, Na, K, Mg, Ca, B, Ti, Al, and combinations thereof. Lithium-ion electrochemical cells including lithium titanate oxide (LTO) using such a pretreated electrolyte have reduced reactivity and gas formation.

3. 发明申请

WO2016082120A1 COMBINATION OF PLASMA COATING AND SPRAY COATING FOR LITHIUM BATTERY ELECTRODE FABRICATION 审中-公开
标题翻译：等离子体涂料和喷涂涂料用于锂电池电极制造的组合
公开(公告)号：WO2016082120A1
公开(公告)日：2016-06-02
申请号：PCT/CN2014/092255
申请日：2014-11-26
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , YU, Zhiqiang
发明人： YU, Zhiqiang , GAYDEN, Xiaohong Q. , WU, Qiang
IPC分类号： H01M4/04 , H01M4/13
CPC分类号： H01M4/625 , H01M4/0419 , H01M4/139 , H01M4/622 , H01M10/0525
摘要： An atmospheric plasma spray device is used to direct a stream of plasma-heated, particulate, lithium battery electrode materials to form a porous layer of the electrode particles on a surface of a compatible current collector metal foil. Subsequently, a non-plasma spray device is used to direct a stream of droplets of an aqueous solution of a polymeric binder material onto and into the porous layer of electrode particles. Water evaporates from the droplets of binder solution as the droplets infiltrate the porous electrode material and coat the electrode particles and current collector surface. When the water (or other solvent) has evaporated from the dispersed droplets of polymer material, the polymer binder bonds the particles to each other and to the current collector surface. The polymer spray may immediately follow the deposition of the electrode particles, or follow later, even at a downstream spray location.
摘要翻译：大气等离子体喷射装置用于引导等离子体加热的颗粒状锂电池电极材料流，以在相容的集电器金属箔的表面上形成电极颗粒的多孔层。随后，使用非等离子体喷射装置将聚合物粘合剂材料的水溶液流引导到电极颗粒的多孔层上。当液滴渗透多孔电极材料并涂覆电极颗粒和集电器表面时，水从粘合剂溶液的液滴中蒸发掉。当水（或其它溶剂）从分散的聚合物材料的液滴中蒸发出来时，聚合物粘合剂将颗粒彼此粘结并聚集到集电器表面。聚合物喷雾可以立即跟随电极颗粒的沉积，或者甚至在下游喷涂位置跟随。

4. 发明申请

WO2016037304A1 COATING PARTICLES OF ACTIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERIES 审中-公开
标题翻译：用于锂二次电池的活性电极材料的涂层颗粒
公开(公告)号：WO2016037304A1
公开(公告)日：2016-03-17
申请号：PCT/CN2014/086086
申请日：2014-09-08
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , YU, Zhiqiang
发明人： YU, Zhiqiang , GAYDEN, Xiaohong Q.
IPC分类号： H01M4/04
CPC分类号： H01M4/0428 , H01M4/139 , H01M10/0525
摘要： Particles of active electrode material for a lithium secondary battery are coated with a precursor material which is either a carbon-based polymer or a metal and oxygen containing compound. The precursor material-coating particles are injected into a gas stream and momentarily exposed to an atmospheric plasma at a predetermined energy level and temperature up to about 3500°C. The plasma treatment converts (i) the carbon polymer to submicron size carbon particles or (ii) the metal compound to metal oxide particles on the surfaces of the particles of electrode material. The plasma treated coated active electrode material particles are carried by the gas stream and deposited onto an electrode material bearing substrate for a lithium battery cell.
摘要翻译：用于锂二次电池的活性电极材料的颗粒涂覆有作为碳基聚合物或金属和含氧化合物的前体材料。将前体材料涂覆颗粒注入气流中，并以预定的能量水平和高达约3500℃的温度瞬时暴露于大气等离子体。等离子体处理将（i）碳聚合物转化为亚微米尺寸的碳颗粒，或（ii）金属化合物转化为电极材料颗粒表面上的金属氧化物颗粒。经等离子体处理的涂覆的有源电极材料颗粒由气流携带并沉积到用于锂电池单元的带电极材料的衬底上。

5. 发明申请

WO2017156757A1 REFERENCE ELECTRODE STRUCTURES FOR LITHIUM CELLS 审中-公开
标题翻译：参考电极结构的锂细胞
公开(公告)号：WO2017156757A1
公开(公告)日：2017-09-21
申请号：PCT/CN2016/076675
申请日：2016-03-18
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , YU, Zhiqiang
发明人： YU, Zhiqiang , LIU, Helen , WU, Samson , QUE, Xiaochao
IPC分类号： H01M10/0525
CPC分类号： H01M2/0207 , H01M2/1673 , H01M2/202 , H01M4/13 , H01M4/485 , H01M4/5825 , H01M4/661 , H01M10/0413 , H01M10/052 , H01M10/0525 , H01M10/058 , H01M10/0585 , H01M10/0587 , H01M10/482 , Y02T10/7011
摘要： Some lithium-ion batteries are assembled using a plurality of electrically interconnected battery pouches to obtain the electrical potential and power requirements of the battery application. Such battery pouches may be prepared to contain a stacked grouping, or a wound grouping, of inter-layered and interconnected anodes, cathodes, and separators, each wetted with a liquid electrolyte. A reference electrode, an optional auxiliary reference electrode, and adjacent enclosing modified working electrodes are combined in a specific arrangement and inserted within the stack structure, or the wound structure, of other cell members to enable accurate assessment of both anode group and cathode group performance, and to validate and regenerate reference electrode capability.
摘要翻译：一些锂离子电池使用多个电互连的电池袋来组装以获得电池应用的电势和电力需求。这样的电池袋可以被制备成包含堆叠的分组或层叠的互相连接的阳极，阴极和隔板，每一个都用液体电解质润湿。将参比电极，可选的辅助参比电极和相邻的封闭改性工作电极以特定布置组合并插入到其他电池部件的堆叠结构或卷绕结构内，以使得能够准确评估阳极组和阴极组的性能，并验证和再生参比电极能力。

6. 发明申请

WO2015176241A1 DISTRIBUTING CONDUCTIVE CARBON BLACK ON ACTIVE MATERIAL IN LITHIUM BATTERY ELECTRODES 审中-公开
标题翻译：锂电池电极活性材料分布导电炭黑
公开(公告)号：WO2015176241A1
公开(公告)日：2015-11-26
申请号：PCT/CN2014/077969
申请日：2014-05-21
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , YU, Zhiqiang
发明人： YU, Zhiqiang , WU, Meiyuan , QUE, Xiaochao , LIU, Jianyong
IPC分类号： H01M4/139
CPC分类号： H01M4/0404 , H01M4/131 , H01M4/139 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M4/623 , H01M4/625 , H01M4/661 , H01M10/052 , H01M10/0525 , H01M2004/027 , H01M2004/028 , H01M2220/20
摘要： Improved electrodes for lithium battery cells are made by coating micrometer-size anode or cathode material particles with aggregates of smaller conductive carbon black particles in two mixing steps,using a liquid dispersant in each step for the mixing particles. A first portion of carbon black is vigorously mixed with the electrode particles to coat their surfaces with the smaller carbon black particles. A second portion of carbon black is less vigorously mixed with the initially coated electrode particles to form clusters of carbon black particles at the interfaces of the previously coated electrode particles. This two-step distribution of carbon black particles increases the power capacity of the porous electrode layer bonded to its current collector and increases the life of its battery cell.
摘要翻译：通过在两个混合步骤中使用每个步骤中的液体分散剂在混合颗粒中使用液体分散剂，在具有较小导电性炭黑颗粒的聚集体的情况下，通过涂布微米尺寸的阳极或阴极材料颗粒来制备锂电池单元的改进的电极。将碳黑的第一部分与电极颗粒剧烈混合以用较小的炭黑颗粒涂覆其表面。炭黑的第二部分与初始涂覆的电极颗粒剧烈混合，以在先前涂覆的电极颗粒的界面处形成碳黑颗粒团簇。炭黑颗粒的两步分布增加了与其集电器结合的多孔电极层的功率容量，并且延长了其电池单元的寿命。

7. 发明申请

WO2015085580A1 INCORPORATING REFERENCE ELECTRODES INTO BATTERY POUCH CELLS 审中-公开
标题翻译：将参考电极插入电池袋中
公开(公告)号：WO2015085580A1
公开(公告)日：2015-06-18
申请号：PCT/CN2013/089395
申请日：2013-12-13
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： LIU, Haijing , QUE, Xiaochao , WU, Qiang , YU, Zhiqiang
IPC分类号： H01M4/00 , H01M10/052 , H01M10/058
CPC分类号： H01M10/48 , H01M2/021 , H01M4/131 , H01M4/136 , H01M4/485 , H01M4/5825 , H01M4/661 , H01M4/80 , H01M10/0445 , H01M10/0525 , H01M10/0585 , H01M2004/021 , Y02T10/7011
摘要： Some lithium-ion batteries are assembled using a plurality of electrically interconnected battery pouches to obtain the electrical potential and power requirements of the battery application. In this disclosure, such battery pouches are prepared to contain a stacked grouping of inter-layered and interconnected anodes, cathodes, and separators, each wetted with a liquid electrolyte. A pair of reference electrodes is combined in a specific arrangement with other cell members to enable accurate assessment of both anode group and cathode group performance, and to validate and regenerate reference electrode capability.
摘要翻译：一些锂离子电池使用多个电互连的电池袋组装以获得电池应用的电位和功率要求。在本公开中，这样的电池袋被制备成包含层叠和互连的阳极，阴极和隔板的组合，每个阳极，阴极和隔板都用液体电解液润湿。一对参考电极以特定布置与其它单元构件组合，以便能够准确地评估阳极组和阴极组性能，并验证和再生参考电极能力。

8. 发明申请

WO2017206095A1 LITHIUM ION BATTERY AND CAPACITOR HYBRIDIZATION IN MATERIAL AND ELECTRODE LEVEL 审中-公开
标题翻译：锂离子电池和电容器杂交在材料和电极中的应用
公开(公告)号：WO2017206095A1
公开(公告)日：2017-12-07
申请号：PCT/CN2016/084249
申请日：2016-06-01
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , LIU, Haijing
发明人： LIU, Haijing , YU, Zhiqiang , KONG, Dewen , WU, Meiyuan
IPC分类号： H01M10/0525 , H01G9/04
CPC分类号： H01M4/139 , H01G11/04 , H01G11/06 , H01G11/28 , H01G11/32 , H01G11/38 , H01G11/50 , H01G11/62 , H01G11/86 , H01M4/0404 , H01M4/13 , H01M4/364 , H01M4/366 , H01M4/62 , H01M10/052 , H01M10/0525 , H01M10/0585 , H01M12/005 , Y02T10/7011
摘要： At least one of the anode and cathode of a lithium-ion processing electrochemical cell are prepared with a layer of mixed particles of both active lithium battery electrode materials and lithium ion adsorbing capacitor materials, or with co-extensive, contiguous layers of battery electrode particles in one layer and capacitor particles in the adjoining layer. The proportions of active battery electrode particles and active capacitor particles in one or both of the electrodes are predetermined to provide specified energy density (Wh/kg) and power density (W/kg) properties of the cell for its intended application.
摘要翻译：锂离子处理电化学电池的阳极和阴极中的至少一个利用活性锂电池电极材料和锂离子吸附电容器材料的混合颗粒层，一层中的电池电极颗粒的广泛的连续层和邻接层中的电容器颗粒。在一个或两个电极中的活性电池电极颗粒和活性电容器颗粒的比例是预定的，以便为其预期应用提供电池的规定能量密度（Wh / kg）和功率密度（W / kg）性能。

9. 发明申请

WO2017084101A1 LITHIUM ION BATTERY 审中-公开
标题翻译：锂离子电池
公开(公告)号：WO2017084101A1
公开(公告)日：2017-05-26
申请号：PCT/CN2015/095201
申请日：2015-11-20
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , LIU, Haijing
发明人： LIU, Haijing , QUE, Xiaochao , WU, Meiyuan , KONG, Dewen , LIU, Jianyong , YU, Zhiqiang , DENG, Shawn
IPC分类号： H01M10/0525 , H01M4/505 , H01M4/485 , H01M4/62
CPC分类号： H01M4/485 , H01M4/131 , H01M4/505 , H01M4/525 , H01M4/621 , H01M4/625 , H01M4/661 , H01M4/663 , H01M4/667 , H01M10/0525 , H01M2004/021 , H01M2010/4292
摘要： A lithium ion battery is provided that includes: a positive electrode; a negative electrode; and a polymer separator soaked in an electrolyte solution, the polymer separator being disposed between the positive electrode and the negative electrode. The positive electrode includes an active material of lithium manganese oxide, lithium nickel manganese cobalt oxide, or combinations thereof. The negative electrode includes lithium titanate. A method of making the lithium ion battery is also provided.
摘要翻译：提供了一种锂离子电池，其包括：正极; 负极; 和浸入电解质溶液中的聚合物隔膜，聚合物隔膜置于正极和负极之间。正极包括锂锰氧化物，锂镍锰钴氧化物或其组合的活性材料。负极包含钛酸锂。还提供了制造锂离子电池的方法。

10. 发明申请

WO2015172278A1 LITHIUM BATTERY FABRICATION PROCESS USING MULTIPLE ATMOSPHERIC PLASMA NOZZLES 审中-公开
标题翻译：锂离子电池制造工艺使用多种大气等离子体喷嘴
公开(公告)号：WO2015172278A1
公开(公告)日：2015-11-19
申请号：PCT/CN2014/077211
申请日：2014-05-12
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , LIU, Jianyong
发明人： LIU, Jianyong , GAYDEN, Xiaohong Q. , YU, Zhiqiang , LIU, Haijing , WU, Qiang
IPC分类号： H01M4/13
CPC分类号： C23C4/134 , C23C4/01 , C23C4/06 , C23C4/11 , H01M4/0404 , H01M4/0407 , H01M4/0419 , H01M4/0421 , H01M4/13 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/139 , H01M4/364 , H01M4/621 , H01M4/626 , H01M4/661 , H01M10/0436 , H01M10/052 , H01M10/0525 , H01M10/0585 , H01M2220/20
摘要： A first atmospheric plasma producing nozzle is used to direct a gas-borne stream of plasma heated and activated particles of lithium battery electrode material for deposition on a surface of lithium cell member, such as a separator or current collector foil. A second atmospheric plasma producing nozzle is used to direct a gas-borne stream of plasma heated and activated metal particles at the same surface area being coated with the stream of electrode material particles. The two plasma streams are combined at the cell member surface to form a layer of electrically-conductive metal-bonded particles of electrode material. The use of multiple atmospheric plasma streams is useful in making thin, efficient, and lower cost electrode structures for lithium batteries.
摘要翻译：第一大气等离子体产生喷嘴用于引导锂离子电池电极材料的等离子体加热和活化的颗粒的气体流，以便沉积在诸如隔膜或集电箔之类的锂电池构件的表面上。使用第二大气等离子体产生喷嘴来引导等离子体加热和活化的金属颗粒的气体流在被电极材料颗粒流涂覆的相同表面区域。两个等离子体流在电池元件表面处组合以形成电极材料的导电金属键合颗粒层。使用多个大气等离子体流可用于制造用于锂电池的薄的，有效的和较低成本的电极结构。

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