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公开(公告)号：US11557787B2
公开(公告)日：2023-01-17
申请号：US17200084
申请日：2021-03-12
发明人： Yuki Morikawa , Takuya Asari , Harunari Shimamura , Kouhei Tsuzuki , Katsunori Yanagida , Yo Kato
IPC分类号： H01M10/00 , H01M10/0525 , H01M10/0561 , H01M4/66 , H01M4/02
摘要： The present disclosure relates to a secondary battery module including a nonaqueous electrolyte secondary battery and an elastic body. The elastic body has a compressive elastic modulus of 5 MPa to 120 MPa. The positive electrode includes a positive electrode collector with a thermal conductive rate of 65 W/(m·K) to 150 W/(m·K). The negative electrode includes a negative electrode active material layer including a first layer and a second layer sequentially formed from a side with the negative electrode collector. The first layer contains first carbon-based active material particles with a 10% proof stress of 3 MPa or less. The second layer contains second carbon-based active material particles with a 10% proof stress of 5 MPa or greater.
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公开(公告)号：US20210296683A1
公开(公告)日：2021-09-23
申请号：US17200084
申请日：2021-03-12
发明人： Yuki Morikawa , Takuya Asari , Harunari Shimamura , Kouhei Tsuzuki , Katsunori Yanagida , Yo Kato
IPC分类号： H01M10/0525 , H01M10/0561 , H01M4/66
摘要： The present disclosure relates to a secondary battery module including a nonaqueous electrolyte secondary battery and an elastic body. The elastic body has a compressive elastic modulus of 5 MPa to 120 MPa. The positive electrode includes a positive electrode collector with a thermal conductive rate of 65 W/(m·K) to 150 W/(m·K). The negative electrode includes a negative electrode active material layer including a first layer and a second layer sequentially formed from a side with the negative electrode collector. The first layer contains first carbon-based active material particles with a 10% proof stress of 3 MPa or less. The second layer contains second carbon-based active material particles with a 10% proof stress of 5 MPa or greater.
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公开(公告)号：US20210296639A1
公开(公告)日：2021-09-23
申请号：US17200058
申请日：2021-03-12
发明人： Yasunori Baba , Harunari Shimamura , Keisuke Ohara , Kohei Masai , Kouhei Tsuzuki , Katsunori Yanagida , Yo Kato
摘要： The present disclosure relates to a secondary battery module including a nonaqueous electrolyte secondary battery and an elastic body. The elastic body has a compressive elastic modulus of 5 MPa to 120 MPa. The nonaqueous electrolyte secondary battery includes a positive electrode and a negative electrode. The positive electrode includes a positive electrode collector containing Ti as a main component and having a thickness of 1 μm to 8 μm. The negative electrode includes a first layer and a second layer sequentially formed from a side with the negative electrode collector. The first layer contains negative electrode active material particles containing first carbon-based active material particles with a 10% proof stress of 3 MPa or less. The second layer contains negative electrode active material particles containing second carbon-based active material particles with a 10% proof stress of 5 MPa or greater.
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公开(公告)号：US20200083538A1
公开(公告)日：2020-03-12
申请号：US16562892
申请日：2019-09-06
发明人： Koji Torita , Harunari Shimamura , Yusuke Fukumoto
摘要： A non-aqueous electrolyte secondary battery includes at least a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode current collector, an intermediate layer, and a positive electrode active material layer. The intermediate layer is interposed between the positive electrode current collector and the positive electrode active material layer. The intermediate layer contains at least carboxymethylcellulose, a conductive material, and an inorganic filler.
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5.发明申请公开(公告)号：US20190319273A1
公开(公告)日：2019-10-17
申请号：US16381256
申请日：2019-04-11
摘要： A positive electrode includes at least a positive electrode current collector and a positive electrode active material layer. The positive electrode current collector includes an aluminum foil and an aluminum hydrated oxide film. The aluminum hydrated oxide film covers a surface of the aluminum foil. The positive electrode active material layer is formed on a surface of the aluminum hydrated oxide film. The aluminum hydrated oxide film has a thickness not smaller than 50 nm and not greater than 1000 nm. The aluminum hydrated oxide film contains at least one selected from the group consisting of phosphorus, fluorine, and sulfur.
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6.发明申请METHOD OF MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开制造非电解二次电池和非电解电解质二次电池的方法公开(公告)号：US20160211554A1
公开(公告)日：2016-07-21
申请号：US14995719
申请日：2016-01-14
IPC分类号： H01M10/0585 , H01M4/04 , H01M4/139 , H01M2/16
CPC分类号： H01M10/0585 , H01M2/1673 , H01M2/1686 , H01M4/0471 , H01M4/139 , H01M10/052
摘要： A method of manufacturing a nonaqueous electrolyte secondary battery includes: a step of forming a first electrode mixture layer containing an electrode active material and a first binder; a step of forming granulated particles containing the electrode active material and a second binder; a step of forming a second electrode mixture layer, which is formed of the granulated particles, on the first electrode mixture layer; a step of forming a heat resistance layer, which contains an inorganic filler and a third binder, on a surface of a separator; a step of preparing an electrode body by laminating the electrode and the separator such that the second electrode mixture layer and the heat resistance layer are in contact with each other; and a step of heating the electrode body.
摘要翻译： 一种制造非水电解质二次电池的方法包括：形成包含电极活性材料和第一粘合剂的第一电极混合物层的步骤; 形成含有电极活性物质的造粒颗粒和第二粘合剂的步骤; 在第一电极混合物层上形成由造粒颗粒形成的第二电极混合物层的步骤; 在隔膜的表面上形成含有无机填料和第三粘合剂的耐热层的工序; 通过层叠所述电极和所述隔膜以使得所述第二电极混合层和所述耐热层彼此接触来制备电极体的步骤; 以及加热电极体的步骤。
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公开(公告)号：US20140162109A1
公开(公告)日：2014-06-12
申请号：US14130993
申请日：2011-07-07
IPC分类号： H01M2/16
CPC分类号： H01M2/1686 , H01M2/1653 , H01M2/1673 , H01M2/348 , H01M10/052
摘要： Provided is a very safe secondary battery that can prevent the occurrence of battery abnormalities even when the internal battery temperature increases due to, for example, overcharging. A separator 70 in this secondary battery has a laminated structure that is provided with at least two porous layers 76A, 72, 76B, wherein one of these layers forms a porous electroconductive layer 72 in which an electroconductive material 74 is dispersed in the porous layer.
摘要翻译： 提供了一种非常安全的二次电池，即使当由于例如过度充电而导致内部电池温度升高时，也能够防止发生电池异常。 该二次电池中的隔板70具有设置有至少两个多孔层76A，72,76B的层压结构，其中这些层之一形成多孔导电层72，导电材料74分散在多孔层中。
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公开(公告)号：US11121376B2
公开(公告)日：2021-09-14
申请号：US16381256
申请日：2019-04-11
摘要： A positive electrode includes at least a positive electrode current collector and a positive electrode active material layer. The positive electrode current collector includes an aluminum foil and an aluminum hydrated oxide film. The aluminum hydrated oxide film covers a surface of the aluminum foil. The positive electrode active material layer is formed on a surface of the aluminum hydrated oxide film. The aluminum hydrated oxide film has a thickness not smaller than 50 nm and not greater than 1000 nm. The aluminum hydrated oxide film contains at least one selected from the group consisting of phosphorus, fluorine, and sulfur.
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公开(公告)号：US10950892B2
公开(公告)日：2021-03-16
申请号：US15103164
申请日：2014-12-03
发明人： Hiroyuki Akita , Harunari Shimamura
IPC分类号： H01M10/0562 , H01M6/18 , H01M4/13 , H01M4/68 , H01M2/16 , H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M2/34 , H01M10/0569
摘要： A nonaqueous electrolyte secondary battery (10) includes a porous film (78) (heat resistance layer (HRL)) in, which particles (filler F) of an insulating ceramic are attached through a binder onto a surface of at least one of a negative electrode active material layer (63) and a separator (72, 74). In the nonaqueous electrolyte secondary battery, the insulating ceramic of the porous film (78) contains at least one of Fe and Ni.
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公开(公告)号：US10897047B2
公开(公告)日：2021-01-19
申请号：US16110681
申请日：2018-08-23
IPC分类号： H01M4/66 , H01M4/36 , H01M4/62 , H01M4/04 , H01M10/0525
摘要： A non-aqueous electrolyte secondary battery includes at least an electrode composite material layer, an intermediate layer, and an electrode current collector. Intermediate layer is interposed between electrode composite material layer and electrode current collector. Intermediate layer contains at least insulating particles and conductive particles. Each insulating particle has an arc shape in a cross section of intermediate layer along a thickness direction. More conductive particles are present on an outer-circumference side of each arc shape than on an inner-circumference side of the arc shape.
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