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公开(公告)号:US20170069913A1
公开(公告)日:2017-03-09
申请号:US15122673
申请日:2015-03-03
申请人: OSAKA SODA CO., LTD.
发明人: Tomoyuki YANO , Miwa NAKAMURA , Takashi MATSUO , Yasushi MIKI , Katsuhito MIURA
IPC分类号: H01M4/62 , H01G9/042 , H01M10/0525 , C08F220/18 , C08F220/28
CPC分类号: H01M4/622 , C08F220/14 , C08F220/18 , C08F220/28 , C08F290/06 , C08F2220/1825 , C08F2220/286 , C08F2220/287 , H01G9/042 , H01M10/052 , H01M10/0525 , C08F2222/1026 , C08F2216/1425 , C08F220/06 , C08F2220/1858 , C08F218/08 , C08F2222/1013
摘要: Provided is a binder for battery electrodes which includes a polymer including: structural units (1) derived from a (meth)acrylate monomer (A) having a hydroxyl group; structural units (2) derived from a polyfunctional (meth)acrylate monomer (B); and structural units (3) derived from a reactive surfactant (C). This binder is used to prepare electrodes, and produce batteries such as lithium ion secondary batteries. Provided are: an aqueous binder which has a low environmental impact, exhibits excellent binding properties, and, notably, does not cause oxidation degradation under an electrode environment; and an electrode and a battery which use said binder.
摘要翻译: 本发明提供一种电池用电极用粘合剂,其包括:具有来自具有羟基的(甲基)丙烯酸酯单体(A)的结构单元(1) 衍生自多官能(甲基)丙烯酸酯单体(B)的结构单元(2); 和衍生自反应性表面活性剂(C)的结构单元(3)。 该粘合剂用于制备电极,并且生产诸如锂离子二次电池的电池。 提供:具有低环境影响的水性粘合剂,显示出优异的粘结性,特别是在电极环境下不会引起氧化降解; 以及使用所述粘合剂的电极和电池。
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公开(公告)号:US20180277313A1
公开(公告)日:2018-09-27
申请号:US15756537
申请日:2016-09-29
申请人: OSAKA SODA CO., LTD.
发明人: Masato TABUCHI , Yukihiro TACHI , Ryo KATO , Takashi MATSUO
CPC分类号: H01G11/56 , C08G65/14 , C08G65/22 , C08L71/02 , H01G11/06 , H01G11/32 , H01G11/62 , H01G11/84 , H01M10/052 , H01M10/0565 , H01M10/0568 , H01M2300/0085 , C08L33/10
摘要: There is provided a composition for gel electrolyte that has excellent coatability, gelation properties, and liquid retention properties, has a high film strength after gelation, and can impart excellent power characteristics and a high capacity retention ratio to an electrochemical capacitor. The composition for gel electrolyte comprises an electrolyte salt and a polyether copolymer having an ethylene oxide unit, wherein the polyether copolymer has a weight-average molecular weight of 100,000 to 1,000,000, and the composition for gel electrolyte has a viscosity at 25° C. of 1 to 12 Pa·s.
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公开(公告)号:US20180254515A1
公开(公告)日:2018-09-06
申请号:US15756506
申请日:2016-09-14
申请人: OSAKA SODA CO., LTD.
CPC分类号: H01M10/0525 , H01M4/0404 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/1391 , H01M4/622 , H01M4/661 , H01M10/0566 , H01M2004/027 , H01M2004/028 , Y02E60/122 , Y02T10/7011
摘要: There is provided a cathode material for a nonaqueous electrolyte secondary battery that has excellent flexibility and binding properties, and can effectively reduce the internal resistance of a nonaqueous electrolyte secondary battery, and effectively improve the charge-discharge cycle characteristics of the nonaqueous electrolyte secondary battery. The cathode material comprises a cathode active material and a binder, wherein the binder is a copolymer comprising a structural unit (A) derived from a (meth)acrylate monomer, a structural unit (B) derived from a carboxylic acid group-containing ethylenically unsaturated monomer, and a structural unit (C) derived from a polyfunctional (meth)acrylate monomer having a functionality of 5 or less, and the cathode material is substantially free of a thickener.
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公开(公告)号:US20180254152A1
公开(公告)日:2018-09-06
申请号:US15756512
申请日:2016-09-29
申请人: OSAKA SODA CO., LTD.
发明人: Takashi MATSUO , Masato TABUCHI , Hideaki UEDA
CPC分类号: H01G11/56 , C08G65/22 , C08G2650/38 , C08G2650/64 , C08G2650/66 , C08J3/075 , C08J2371/02 , C08K5/3445 , C08K5/435 , H01G11/04 , H01G11/06 , H01G11/84 , H01M10/052 , H01M10/0565 , H01M10/0568 , H01M2300/0022 , H01M2300/0045 , H01M2300/0085
摘要: There is provided a composition for gel electrolyte that can impart excellent power characteristics and a high capacity retention ratio to an electrochemical capacitor. The composition for gel electrolyte comprises an electrolyte salt and a polyether copolymer having an ethylene oxide unit, wherein the composition for gel electrolyte has a water content of 50 ppm or less.
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公开(公告)号:US20180254475A1
公开(公告)日:2018-09-06
申请号:US15756399
申请日:2016-09-14
申请人: OSAKA SODA CO., LTD.
IPC分类号: H01M4/1391 , H01M10/052 , H01M4/1397 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/62
CPC分类号: H01M4/1391 , H01M4/0404 , H01M4/131 , H01M4/136 , H01M4/1397 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/62 , H01M4/621 , H01M4/622 , H01M10/052 , H01M2220/30 , Y02E60/122 , Y02T10/7011
摘要: There is provided a cathode material that can effectively reduce the internal resistance of a nonaqueous electrolyte secondary battery, and effectively improve the charge-discharge cycle characteristics of the nonaqueous electrolyte secondary battery. The cathode material is a cathode material for a nonaqueous electrolyte secondary battery comprising a cathode active material, a binder, and a water-soluble antioxidant.
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公开(公告)号:US20180096800A1
公开(公告)日:2018-04-05
申请号:US15563177
申请日:2016-03-30
申请人: OSAKA SODA CO., LTD.
发明人: Takashi MATSUO , Masato TABUCHI , Hideaki UEDA , Katsuhito MIURA
摘要: A low-cost electrochemical capacitor is provided which has high capacity and excellent charging and discharging characteristics, simultaneously has excellent safety and reliability, and has the basic performance as a capacitor, achieved in that, as the electrolyte between a negative electrode and a positive electrode, a solution of an ambient temperature molten salt and a specific polyether copolymer is allowed to gel using a specific photoreaction initiator and is held between the two electrodes. This low-cost electrochemical capacitor has the basic performance of a capacitor, has high capacity and excellent charging and discharging characteristics without use of a separator, and simultaneously has excellent safety and reliability.
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公开(公告)号:US20160260976A1
公开(公告)日:2016-09-08
申请号:US15032693
申请日:2014-10-28
申请人: OSAKA SODA CO., LTD.
发明人: Takashi MATSUO , Tomoyuki YANO , Yasushi MIKI , Katsuhito MIURA
IPC分类号: H01M4/62 , H01M4/66 , H01M2/16 , H01M4/38 , C09J133/12 , H01M10/0568 , H01M10/0569 , H01M10/0585 , C09J133/14 , H01M4/131 , H01M10/0525
CPC分类号: H01M4/622 , C08F220/28 , C09J133/12 , C09J133/14 , H01G11/38 , H01M2/1653 , H01M2/1686 , H01M4/0404 , H01M4/0435 , H01M4/0471 , H01M4/131 , H01M4/1391 , H01M4/382 , H01M4/625 , H01M4/661 , H01M10/052 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M10/0585 , H01M2004/021 , H01M2004/027 , H01M2004/028 , H01M2300/0037 , Y02E60/13 , Y02T10/7022 , C08F2220/287 , C08F220/14 , C08F218/08 , C08F220/06 , C08F2222/1026
摘要: Disclosed is a battery electrode binder containing a polymer including (1) a constituent unit derived from a (meth)acrylate monomer (A) having a hydroxyl group, (2) a constituent unit derived from a vinyl ester monomer (B), and (3) a constituent unit derived from a polyfunctional (meth)acrylate monomer (C). Using the binder, an electrode is produced and adopted in a battery such as a lithium ion secondary battery. Obtained are: an aqueous binder that has a low environmental impact, has high adhesiveness, and in particular does not cause oxidative degradation in the electrode environment; and a battery and electrode using the binder.
摘要翻译: 公开了含有聚合物的电池电极粘合剂,所述聚合物包括(1)衍生自具有羟基的(甲基)丙烯酸酯单体(A)的构成单元,(2)衍生自乙烯基酯单体(B)的构成单元和( 3)衍生自多官能(甲基)丙烯酸酯单体(C)的构成单元。 使用粘合剂,在诸如锂离子二次电池的电池中制造并采用电极。 获得的是具有低环境影响的水性粘合剂,具有高的粘附性,并且特别地不会在电极环境中引起氧化降解; 以及使用该粘合剂的电池和电极。
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公开(公告)号:US20180366731A1
公开(公告)日:2018-12-20
申请号:US15781333
申请日:2016-12-21
申请人: Osaka Soda Co., Ltd.
IPC分类号: H01M4/62 , H01M4/04 , H01M4/36 , C08F265/06
摘要: Provided is a binder for a battery electrode, the binder having superior binding properties and being capable of effectively decreasing the internal resistance of a battery while still being usable as an aqueous binder with low environmental burden. A binder for a battery electrode according to the present invention has a core shell structure of a core section (A) containing a copolymer the principal constituent of which is methyl methacrylate and a shell section (B) having a (meth)acrylate-based copolymer containing (meth)acrylate as a polymerization component, wherein the swelling ratios with respect to a mixed solvent in which ethylene carbonate and diethyl carbonate are mixed at a volume ratio of 3:7 are 10% or less for the resin constituting the core section (A) and 30% or more for the resin constituting the shell section (B).
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公开(公告)号:US20180090282A1
公开(公告)日:2018-03-29
申请号:US15563210
申请日:2016-03-30
申请人: OSAKA SODA CO., LTD.
发明人: Takashi MATSUO , Masato TABUCHI , Hideaki UEDA , Katsuhito MIURA
摘要: A low-cost electrochemical capacitor is provided which has high capacity and excellent charging and discharging characteristics, simultaneously has excellent safety and reliability, and has the basic performance as a capacitor, achieved in that between a negative electrode and a positive electrode, a solution of a specific polyether copolymer, an inorganic or organic filler, and an electrolyte salt is selected as appropriate as the electrolyte and is held between the two electrodes. This low-cost electrochemical capacitor has the basic performance of a capacitor, has high capacity and excellent charging and discharging characteristics, and simultaneously has excellent safety and reliability.
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