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    • 12. 发明专利
    • Molten salt battery and method for manufacturing the same, and device for manufacturing battery element for molten salt battery
    • 钼酸盐电池及其制造方法以及用于制造用于电池电池的电池元件的装置
    • JP2014044917A
    • 2014-03-13
    • JP2012188058
    • 2012-08-28
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • ITANI EIKOINAZAWA SHINJINITTA KOJISAKAI SHOICHIROFUKUNAGA ATSUSHINUMATA KOMA
    • H01M10/39H01M2/16
    • H01M10/399
    • PROBLEM TO BE SOLVED: To manufacture a molten salt battery superior in charge and discharge cycle characteristics with high productivity.SOLUTION: A method for manufacturing a molten salt battery comprises: (i) a step of preparing at least one battery component selected from a group consisting of a positive electrode, a negative electrode and a separator; (ii) a step of preparing a liquid solution including an electrolyte which stays in a solid state at an atmospheric temperature, and has sodium ion conductivity at least in a melting state, and a solvent for dissolving the electrolyte; (iii) a step of making the at least one battery component hold the liquid solution; (iv) a step of removing at least part of the solvent from the at least one battery component holding the liquid solution; (v) a step of forming an electrode group which includes the positive and negative electrodes and a separator interposed between the positive and negative electrodes after the removal of at least part of the solvent from the at least battery component; and (vi) a step of housing the electrode group in a battery case.
    • 要解决的问题:以高生产率制造具有优异的充放电循环特性的熔盐电池。解决方案:一种制造熔盐电池的方法包括:(i)制备选自组中的至少一种电池组件的步骤 由正极,负极和隔膜组成; (ii)制备包括在大气温度下保持固态并且至少具有熔融状态的钠离子传导性的电解质的液体溶液和用于溶解电解质的溶剂的步骤; (iii)使所述至少一个电池组件保持所述液体溶液的步骤; (iv)从保持液体溶液的至少一个电池组件中除去至少一部分溶剂的步骤; (v)在从所述至少电池组件中除去至少一部分溶剂之后,形成包括所述正极和负极的电极组和置于所述正极和负极之间的隔膜的步骤; 和(vi)将电极组容纳在电池壳体中的步骤。
    • 14. 发明专利
    • ナトリウム溶融塩電池
    • SODIUM MOLTEN SALT BATTERY
    • JP2014229357A
    • 2014-12-08
    • JP2013105410
    • 2013-05-17
    • 住友電気工業株式会社Sumitomo Electric Ind Ltd
    • FUKUNAGA ATSUSHIINAZAWA SHINJINITTA KOJISAKAI SHOICHIROITANI EIKONUMATA KOMA
    • H01M10/054H01M4/583H01M10/0567H01M10/0568
    • H01M10/399H01M4/583H01M4/587H01M10/054H01M10/0566H01M2220/10H01M2220/20H01M2300/0022H01M2300/0045H01M2300/0048
    • 【課題】充放電サイクル特性に優れたナトリウム溶融塩電池を提供する。【解決手段】電気化学的にナトリウムイオンを吸蔵および放出可能な正極活物質を含む正極と、電気化学的にナトリウムイオンを吸蔵および放出可能な負極活物質を含む負極と、ナトリウム塩およびナトリウム塩を溶解させるイオン性液体を含む溶融塩電解質と、を含み、負極活物質が、難黒鉛化性炭素を含み、イオン性液体が、難黒鉛化性炭素との間でファラデー反応を起こさない第一オニウムカチオンと、ビス(スルフォニル)イミドアニオンとの塩であり、溶融塩電解質が、質量割合で1000ppm以下の第二オニウムカチオンを含み、第二オニウムカチオンは、一般式(1):R1R2R3R4N+で表され、R1〜R4は、それぞれ独立に、水素原子またはメチル基である、ナトリウム溶融塩電池。【選択図】図5
    • 要解决的问题:提供一种优异的充放电循环特性的钠盐电池。解决方案:钠熔盐电池包括:正极,其包括能够电化学封闭并释放钠离子的正极活性物质; 包含能够电化学吸附并释放钠离子的负极活性物质的负极; 以及包含钠盐和钠盐可以溶解的离子液体的熔融盐电解质。 负极活性物质包括难以石墨化的碳。 离子液体是第一鎓阳离子的盐,其不引起法拉第反应,碳难以石墨化,和双(磺酰基)酰亚胺阴离子。 熔融盐电解质的质量比为1000ppm以下的第二鎓阳离子。 第二次阳离子由通式(1)表示:RRRRN,其中RtoR表示彼此独立的氢原子或甲基。
    • 16. 发明专利
    • Molten salt battery, and power supply system
    • 钼酸盐电池和电源系统
    • JP2014137938A
    • 2014-07-28
    • JP2013006703
    • 2013-01-17
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • TANABE KEIICHIRONUMATA KOMANITTA KOJISAKAI SHOICHIROFUKUNAGA ATSUSHIITANI EIKOINAZAWA SHINJI
    • H01M10/054H01M2/02H01M2/10H01M2/16H01M4/13H01M4/38H01M4/40H01M4/48H01M4/587H01M4/62H01M10/0568H01M10/39H01M10/44
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To present a material design for a molten salt battery suitable for a using temperature range, and to provide the molten salt battery that can be applied even under such a severe environment that vibration is given.SOLUTION: For a molten salt battery, a use temperature of 25-300°C is divided into ranges of 25-120°C, 80-140°C, and 140-300°C, and materials to be options are prescribed for an outer package, a binder, a negative electrode active material, and a separator, as well as for an electrolyte, in each temperature range. Further, a vibration control part reducing vibration give to the outer package is provided. For example, for the electrolyte, an electrolyte containing FSA [bis(fluorosulfonyl)amide] that serves as an organic cation and an anion, or NaFSA [sodium bis(fluorosulfonyl)amide] is suitable in the range of 25-120°C, and an electrolyte containing a mixture of NaFSA and KFSA [potassium bis(fluorosulfonyl)amide] is suitable in the range of 80-140°C, and an electrolyte containing a mixture of NaTFSA [sodium bis(trifluoromethylsulfonyl) amide and CsTFSA [cesium bis(trifluoromethylsulfonyl)amide] is suitable in the range of 140-300°C.
    • 要解决的问题:提供适用于使用温度范围的熔盐电池的材料设计,并提供即使在如此严重的振动环境下也能施加的熔盐电池。解决方案:对于熔盐 电池,使用温度为25-300℃,分为25-120℃,80-140℃和140-300℃的范围,外包装,粘合剂, 负极活性物质和隔膜,以及电解质,在各温度范围内。 此外,提供了减少振动的振动控制部件给予外包装。 例如,对于电解质,含有作为有机阳离子和阴离子的FSA [双(氟磺酰基)酰胺]或NaFSA [双(氟磺酰基)酰胺钠]的电解质适合在25-120℃的范围内, 并且含有NaFSA和KFSA [双(氟磺酰基)酰胺钾]的混合物的电解质适合在80-140℃的范围内,并且含有NaTFSA [双(三氟甲磺酰基)酰胺和CsTFSA [铯双 (三氟甲磺酰基)酰胺]适合在140-300℃的范围内。