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    • 2. 发明授权
    • Alkaline battery without mercury and electronic apparatus powered thereby
    • 无汞的碱性电池和电子设备由此供电
    • US06586139B1
    • 2003-07-01
    • US08476235
    • 1995-06-07
    • Shunji WatanabeTsugio SakaiHideo Sakamoto
    • Shunji WatanabeTsugio SakaiHideo Sakamoto
    • H01M618
    • H01M6/045H01M4/06H01M4/42H01M4/62H01M4/628H01M4/66H01M6/06H01M10/26
    • An alkaline battery comprises a negative electrode having an active material comprised of mercuryless zinc powder containing a gelling agent. In one embodiment, the alkaline battery comprises a current collector having an outermost surface coated with a layer of zinc or a metal having a hydrogen overvoltage higher than that of zinc, and an electrolyte containing one or more compounds selected from the group consisting of an indium compound, lead oxide; a hydroxide of alkaline earth metal and a surfactant having polyethylene oxide. In another embodiment, the negative electrode active material contains one or more species of materials selected from the group consisting of an indium compound, lead oxide, a hydroxide of alkaline earth metal and a surfactant having polyethylene oxide, and a current collector having an outermost surface coated with a layer of zinc or a metal having a hydrogen overvoltage higher than that of zinc. An improved alkaline battery is achieved which does not pose environmental problems, and which corrosion of the zinc powder of the battery is suppressed, and in which a good discharge performance of the battery is maintained.
    • 碱性电池包括具有由含有胶凝剂的无汞锌粉末构成的活性物质的负极。 在一个实施方案中,碱性电池包括具有涂覆有锌层或具有高于锌的氢过电压的金属的最外表面的集电器,以及含有一种或多种选自铟的化合物的电解质 化合物,氧化铅; 碱土金属的氢氧化物和具有聚环氧乙烷的表面活性剂。 在另一个实施方案中,负极活性物质包含选自铟化合物,氧化铅,碱土金属氢氧化物和具有聚环氧乙烷的表面活性剂中的一种或多种材料,以及具有最外表面的集电体 涂覆有一层具有高于锌的氢过电压的锌或金属。 实现了不会产生环境问题的改进的碱性电池,并且抑制了电池的锌粉的腐蚀,并且保持了电池的良好的放电性能。
    • 6. 发明授权
    • Non-aqueous electrolyte secondary battery having heat-resistant electrodes
    • 具有耐热电极的非水电解质二次电池
    • US06489062B1
    • 2002-12-03
    • US09465078
    • 1999-12-16
    • Shunji WatanabeShinichi TakasugiHideharu OnoderaToyoo HaradaTsugio Sakai
    • Shunji WatanabeShinichi TakasugiHideharu OnoderaToyoo HaradaTsugio Sakai
    • H01M440
    • H01M4/131H01M2/0413H01M2/16H01M4/485H01M6/166H01M10/0525H01M2004/027
    • A non-aqueous electrolyte secondary battery capable of withstanding a reflow temperature has a positive electrode having a conductive material, a binder, and an electrode active material selected from the group consisting of LiCoO2, LiNiO2 and LiMn2O4. A negative electrode has a conductive material, a binder and an electrode active material selected from the group consisting of a titanium oxide having an anatase structure, lithium titanate having a spinel structure and a molybdenum oxide. An electrolyte has a supporting salt and a non-aqueous solvent having a boiling point greater than 200° C. A gasket is comprised of a material having a heat deformation temperature greater than 230° C. A separator is disposed between the positive electrode and the negative electrode and is comprised of a material having a heat deformation temperature greater than 230° C. At least one of the positive electrode and the negative electrode comprises an electrode heat-treated to a temperature of 250° C. to 450° C. for deactivating a thermally active portion of each of the conductive material, the binder and the electrode active material thereof.
    • 能够承受回流温度的非水电解质二次电池具有选自LiCoO 2,LiNiO 2和LiMn 2 O 4的导电材料,粘合剂和电极活性物质的正极。 负极具有导电材料,粘合剂和选自具有锐钛矿结构的氧化钛,具有尖晶石结构的钛酸锂和氧化钼的电极活性材料。 电解质具有支撑盐和沸点大于200℃的非水溶剂。垫片由热变形温度大于230℃的材料构成。隔板设置在正极和 负极,并且由热变形温度大于230℃的材料构成。正极和负极中的至少一个包括热处理至250℃至450℃的电极,用于 使导电材料,粘合剂及其电极活性物质的热活性部分失活。