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    • 31. 发明专利
    • Separator for battery, method for manufacturing battery using the same, and utilization thereof
    • 电池分离器,使用该电池制造电池的方法及其利用
    • JP2005340134A
    • 2005-12-08
    • JP2004161178
    • 2004-05-31
    • Nitto Denko Corp日東電工株式会社
    • SATSUMA MICHIOYOSHII KEISUKEICHIKAWA TOMOAKIUETANI YOSHIHIRO
    • H01M2/16
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To tentatively adhere an electrode sheet and a separator, to prevent the mutual slide movement of the electrode sheet and the separator as an electrode sheet/separator laminate, to manufacture a battery efficiently when manufacturing the battery, and to provide a separator for batteries that functions as an electrode sheet/separator joining element strongly adhering to the electrode sheet, highly keeps the performance of the battery, and contributes to the safety of the battery after manufacturing the battery.
      SOLUTION: The separator for batteries is made of the sheet of a reactive polymer, where a crosslinking polymer having a functional group in a molecule is allowed to react with a crosslinking agent made of a multifunctional compound having reactivity to the functional group for partially crosslinking. The electrode sheet is laminated on the separator and is crimped as a laminate, and a reactive polymer in the laminate is further crosslinked by the reaction with a multifunctional compound for adhesion.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了暂时粘附电极片和隔膜,为了防止作为电极片/隔板层叠体的电极片和隔板的相互滑动移动,制造电池时有效地制造电池,以及 为了提供用作电极片/分离器接合元件强力粘附到电极片上的电池用隔膜,高度保持电池的性能,并且有助于电池制造后的电池的安全性。 解决方案:电池用隔膜由反应性聚合物片制成,其中分子中具有官能团的交联聚合物与由与官能团反应性的多官能化合物制成的交联剂反应, 部分交联。 将电极片叠层在隔板上,并将其卷曲成叠层体,层叠体中的反应性聚合物通过与多官能化合物的粘合反应进一步交联。 版权所有(C)2006,JPO&NCIPI
    • 33. 发明专利
    • battery
    • 电池
    • JP2005158671A
    • 2005-06-16
    • JP2004069448
    • 2004-03-11
    • Nitto Denko Corp日東電工株式会社
    • ICHIKAWA TOMOAKISATSUMA MICHIOYOSHII KEISUKEUETANI YOSHIHIRO
    • H01M2/16H01M6/02H01M10/05H01M10/0567H01M10/058H01M10/40
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a battery having a separator tightly adhering to an electrode and hardly generating thermal contraction, excellent in safety under circumstances of high temperature. SOLUTION: A porous film is made to carry a reactive polymer, non-adhesive at normal temperature, having glass transition temperature within 0 to 100°C, having a functional group capable of reacting with an isocyanate group. An electrode / porous film lamination body is formed by superposing a positive electrode and a negative electrode contacting the porous film interposed between them. The battery is formed by housing the electrode / porous film lamination body together with an electrolyte containing multi-functional isocyanate in a battery case. Under normal temperature and presence of the electrolyte, the adhesive strength between the porous film and the electrodes is not larger than 0.05N/10mm. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种具有紧密粘附在电极上并且难以产生热收缩的隔膜的电池,并且在高温环境下具有优异的安全性。 解决方案:使多孔膜携带反应性聚合物,在常温下不粘合,玻璃化转变温度在0至100℃之间,具有能够与异氰酸酯基反应的官能团。 电极/多孔膜层叠体通过将正极和与它们之间的多孔膜接触的负极叠置而形成。 电池通过将电极/多孔膜层叠体与包含多官能异氰酸酯的电解质一起容纳在电池壳体中而形成。 在常温和电解液存在下,多孔膜和电极之间的粘合强度不大于0.05N / 10mm。 版权所有(C)2005,JPO&NCIPI
    • 36. 发明专利
    • Nonaqueous electrolyte lithium ion cell and separator there for
    • 非电解电解质锂离子电池及其分离器
    • JP2003317695A
    • 2003-11-07
    • JP2002125694
    • 2002-04-26
    • Nitto Denko Corp日東電工株式会社
    • KISHII YUTAKAYOSHII KEISUKE
    • H01M2/16B82Y99/00H01M10/05H01M10/052H01M10/0565H01M10/40
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide a separator realizing a nonaqueous electrolyte lithium ion cell having a good discharge property or cycle property, and the nonaqueous electrolyte lithium ion cell. SOLUTION: The separator for a nonaqueous electrolyte lithium ion cell is structured with a porous film with a thickness of 1 to 50 μm, a porosity a from 30 to 90% and an average hole diameter from 0.01 to 1 μm supporting a nonaqueous electrolyte solution and a gel electrolyte including at least one kind of inorganic fine powders selected from silica and alumina of an average primary particle diameter from 1 to 100 nm. The separator of this kind can be obtained by dipping the porous film in a nonaqueous electrolyte solution after the inorganic fine powder is dispersed in and supported by the porous film. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种实现具有良好的放电特性或循环性能的非水电解质锂离子电池的隔膜和非水电解质锂离子电池。 解决方案:非水电解质锂离子电池用隔膜由厚度为1〜50μm,孔隙率为30〜90%,平均孔径为0.01〜1μm的多孔膜构成, 电解质溶液和包含平均一次粒径为1〜100nm的选自二氧化硅和氧化铝的至少一种无机细粉末的凝胶电解质。 这种分离器可以通过在将无机细粉分散并由多孔膜支撑后将多孔膜浸渍在非水电解质溶液中来获得。 版权所有(C)2004,JPO
    • 37. 发明专利
    • Electrolyte component carrying separator, its utilization, and its manufacture
    • 电解质成分分离器,其使用及其制造
    • JP2003059479A
    • 2003-02-28
    • JP2001243850
    • 2001-08-10
    • Nitto Denko Corp日東電工株式会社
    • YOSHII KEISUKEUETANI YOSHIHIROFUJITA SHIGERU
    • C08J9/42H01G9/02H01G11/08H01G11/22H01G11/52H01G11/54H01G11/56H01G11/64H01G11/84H01M2/16H01M6/18H01M6/22H01M10/05H01M10/0565H01M10/0585H01M10/0587H01M10/40
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide an electrolyte component carrying separator with high characteristics and capable of making in a separator also acting as a polymer gel electrolyte, and provide the utilization and manufacturing method of the electrolyte component carrying separator. SOLUTION: This electrolyte component carrying separator is formed by separately carrying an electrolyte component comprising a crosslinkable polymer or the crosslinkable polymer and an electrolyte salt, and a polymerization initiator, in a porous support. As a preferable embodiment, the electrolyte component is carried on one surface of the porous support and the polymerization initiator is carried on the other surface of the porous support. As another preferable embodiment, the electrolyte component is dispersed in the porous support to be partially carried, the polymerization initiator is dispersed separately from the electrolyte component in the porous support to be partially carried, and in this case, the electrolyte component and the polymerization initiator are carried in the porous support so as to occupy 10-90% of the surface area of the porous support.
    • 要解决的问题:提供具有高特性且能够在用作聚合物凝胶电解质的隔膜中制造的电解质成分携带分离器,并提供电解质成分携带分离器的利用和制造方法。 解决方案:该电解质组分携带分离器是通过在多孔载体中分别携带包含可交联聚合物或可交联聚合物的电解质组分和电解质盐和聚合引发剂而形成的。 作为优选的实施方式,电解质成分承载在多孔质载体的一个表面上,聚合引发剂在多孔性载体的另一面上承载。 作为另一个优选的实施方案,电解质组分分散在多孔载体中以部分载带,聚合引发剂与多孔载体中的电解质组分分开分散以部分载带,在这种情况下,电解质组分和聚合引发剂 被承载在多孔载体中以占据多孔载体的表面积的10-90%。
    • 38. 发明专利
    • Separator for battery
    • 电池分离器
    • JP2014135289A
    • 2014-07-24
    • JP2014051719
    • 2014-03-14
    • Nitto Denko Corp日東電工株式会社
    • UETANI YOSHIHIRONOMI SHUNSUKETAKE HIROYOSHIODANE CHIHARUODA TAKASHIYOSHII KEISUKE
    • H01M10/058H01M2/16H01M10/0567H01M10/0568
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery equipped with a separator which is excellent in oxidation resistance.SOLUTION: Disclosed is a nonaqueous electrolyte battery which is equipped with an electrode/separator joint obtained by bringing an electrode/separator laminate composed of a separator for a battery formed by carrying a reactive polymer layer having a plurality of cationically polymerizable functional groups and a cross-linked structure in a molecule and containing an organic swelling synthetic mica particle on a porous film, and an electrode laminated on this separator for the battery into contact with an electrolytic solution obtained by dissolving cationically polymerizable catalyst and electrolyte salt into an organic solvent in a battery container and then cationically polymerizing the reactive polymer. The nonaqueous electrolyte battery is provided in which the organic swelling synthetic mica particle is swollen in the organic solvent.
    • 要解决的问题:提供一种具有耐氧化性优异的隔板的非水电解质电池。解决方案:公开了一种非水电解质电池,其具有电极/隔板接合体,该电极/隔板接合体通过将由 通过在分子中携带具有多个可阳离子聚合的官能团和交联结构并在多孔膜上含有有机溶胀合成云母颗粒的反应性聚合物层形成的电池用隔膜,以及层叠在该隔膜上的电极 电池与通过将阳离子聚合催化剂和电解质盐溶解在电池容器中的有机溶剂中获得的电解溶液接触,然后使反应性聚合物阳离子聚合。 提供其中有机溶胀合成云母颗粒在有机溶剂中溶胀的非水电解质电池。
    • 40. 发明专利
    • Method for producing a polymer gel electrolyte
    • 生产聚合物凝胶电解质的方法
    • JP2011202186A
    • 2011-10-13
    • JP2011157245
    • 2011-07-15
    • Nitto Denko Corp日東電工株式会社
    • FUJITA SHIGERUYOSHII KEISUKEUETANI YOSHIHIRONAKAMURA SEIJITABUCHI MASAHITO
    • C08J9/36C08J9/26
    • PROBLEM TO BE SOLVED: To provide a method for producing a polymer gel electrolyte using an ionically conductive porous film having both ionic conductivity and strength, and also adhesion for itself.SOLUTION: The method for producing the polymer gel electrolyte includes the steps of: supporting a polymer having a polyacrylate, polymethacrylate, polyethylene oxide, polypropylene oxide, poly (ethylene oxide/propylene oxide), polyphosphazene, polyvinyl ether or polysiloxane structure in a main chain and a chain oligoalkylene oxide structure in a side chain with a substrate porous film; then, crosslinking this polymer to obtain an adhesive porous film as a crosslinked product; and next bringing an electrolyte comprising an organic solvent for swelling the crosslinked product of the polymer and an electrolyte salt dissolved in this organic solvent in contact with the adhesive porous film.
    • 要解决的问题:提供一种使用具有离子导电性和强度的离子导电性多孔膜以及其自身粘合性的聚合物凝胶电解质的制造方法。解决方案:聚合物凝胶电解质的制造方法包括以下步骤: 在主链中具有聚丙烯酸酯,聚甲基丙烯酸酯,聚环氧乙烷,聚环氧丙烷,聚(环氧乙烷/环氧丙烷),聚磷腈,聚乙烯醚或聚硅氧烷结构的聚合物和具有基材多孔膜的侧链中的链低聚环氧烷结构; 然后交联该聚合物以获得作为交联产物的粘合剂多孔膜; 接着将含有溶剂的聚合物的交联物溶解有机溶剂的电解质和与该有机溶剂接触的电解质盐与粘着性多孔膜接触。