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    • 1. 发明申请
    • Non-flammable nonaqueous electrolyte solution and lithium ion cell using same
    • 非易燃非水电解液和使用其的锂离子电池
    • US20060240329A1
    • 2006-10-26
    • US11362533
    • 2006-02-27
    • Xianming WangYoshitsugu SoneSaburo KuwajimaKenichi Kuwajima
    • Xianming WangYoshitsugu SoneSaburo KuwajimaKenichi Kuwajima
    • H01M10/40
    • H01M6/168H01M6/166H01M10/0525H01M10/0567H01M10/0568H01M10/0569H01M10/4235Y02T10/7011
    • Disclosed are a non-flammable nonaqueous electrolyte solution and a lithium ion cell using the electrolyte solution. The non-flammable nonaqueous electrolyte solution comprises a ternary or higher-order compound additive, a high concentration of lithium salt and a phosphoric ester serving as a primary solvent. The lithium ion cell comprises a positive electrode containing a lithium transition metal oxide capable of absorbing and releasing lithium, a negative electrode containing a carbon-based material capable of absorbing and releasing lithium, and the above non-flammable nonaqueous electrolyte solution. The ternary or higher-order compound additive contains at least one compound selected from each of the three compound groups consisting of: a compound group (a) of vinylene carbonate compounds; a compound group (b) of vinyl acetate compounds, alkyl methyl carbonate compounds and vinyl ethylene carbonate compounds; and a compound group (c) of 2-pyrrolidinone compounds, cyclic alkyl compounds and cyclic pentanone compounds. The non-flammable nonaqueous electrolyte solution of the present invention can provide enhanced charge/discharge characteristics to a lithium ion cell.
    • 公开了一种非易燃非水电解质溶液和使用该电解质溶液的锂离子电池。 非易燃非水电解质溶液包含三元或更高级的化合物添加剂,高浓度的锂盐和作为主要溶剂的磷酸酯。 锂离子电池包括含有能够吸收和释放锂的锂过渡金属氧化物的正电极,含有能够吸收和释放锂的碳基材料的负极和上述不可燃非水电解质溶液。 三元或更高级的化合物添加剂含有至少一种选自以下三种化合物中的每一种化合物:由碳酸亚乙烯酯化合物组成的化合物(a) 乙酸乙烯酯化合物的化合物组(b),碳酸甲基碳酸酯化合物和乙烯基碳酸亚乙酯化合物; 和2-吡咯烷酮化合物的化合物(c),环状烷基化合物和环戊酮化合物。 本发明的非易燃非水电解质溶液可以提供对锂离子电池的充电/放电特性的增强。
    • 4. 发明授权
    • Non-flammable nonaqueous electrolyte solution and lithium ion cell using same
    • 非易燃非水电解液和使用其的锂离子电池
    • US07341807B2
    • 2008-03-11
    • US11362533
    • 2006-02-27
    • Xianming WangYoshitsugu SoneSaburo KuwajimaKenichi Kuwajima
    • Xianming WangYoshitsugu SoneSaburo KuwajimaKenichi Kuwajima
    • H01M10/40
    • H01M6/168H01M6/166H01M10/0525H01M10/0567H01M10/0568H01M10/0569H01M10/4235Y02T10/7011
    • Disclosed are a non-flammable nonaqueous electrolyte solution and a lithium ion cell using the electrolyte solution. The non-flammable nonaqueous electrolyte solution comprises a ternary or higher-order compound additive, a high concentration of lithium salt and a phosphoric ester serving as a primary solvent. The lithium ion cell comprises a positive electrode containing a lithium transition metal oxide capable of absorbing and releasing lithium, a negative electrode containing a carbon-based material capable of absorbing and releasing lithium, and the above non-flammable nonaqueous electrolyte solution. The ternary or higher-order compound additive contains at least one compound selected from each of the three compound groups consisting of: a compound group (a) of vinylene carbonate compounds; a compound group (b) of vinyl acetate compounds, alkyl methyl carbonate compounds and vinyl ethylene carbonate compounds; and a compound group (c) of 2-pyrrolidinone compounds, cyclic alkyl compounds and cyclic pentanone compounds. The non-flammable nonaqueous electrolyte solution of the present invention can provide enhanced charge/discharge characteristics to a lithium ion cell.
    • 公开了一种非易燃非水电解质溶液和使用该电解质溶液的锂离子电池。 非易燃非水电解质溶液包含三元或更高级的化合物添加剂,高浓度的锂盐和用作主要溶剂的磷酸酯。 锂离子电池包括含有能够吸收和释放锂的锂过渡金属氧化物的正电极,含有能够吸收和释放锂的碳基材料的负极和上述不可燃非水电解质溶液。 三元或更高级的化合物添加剂含有至少一种选自以下三种化合物中的每一种化合物:由碳酸亚乙烯酯化合物组成的化合物(a) 乙酸乙烯酯化合物的化合物组(b),碳酸甲基碳酸酯化合物和乙烯基碳酸亚乙酯化合物; 和2-吡咯烷酮化合物的化合物(c),环状烷基化合物和环戊酮化合物。 本发明的非易燃非水电解质溶液可以提供对锂离子电池的充电/放电特性的增强。
    • 8. 发明申请
    • Solid polymer electrolyte fuel cell
    • 固体聚合物电解质燃料电池
    • US20070259231A1
    • 2007-11-08
    • US11703188
    • 2007-02-07
    • Yoshitsugu SoneMitsushi UenoSaburou Kuwashima
    • Yoshitsugu SoneMitsushi UenoSaburou Kuwashima
    • H01M8/10
    • H01M8/04291H01M8/04029H01M8/04156H01M8/04164H01M8/04171
    • The present invention provides a solid polymer electrolyte fuel cell comprising a fuel cell stack formed by laminating a plurality of fuel cell units each of which includes a fuel electrode, an oxidant electrode, and a solid polymer electrolyte membrane interposed between the fuel and oxidant electrodes. The fuel cell unit is operable to generate an electric power through an electrochemical reaction between a first gas supplied to the side of the fuel electrode and a second gas supplied to the side of the oxidant electrode. In this fuel cell, the first gas supplied to the side of the fuel electrode and the second gas supplied to the side of the oxidant electrode are adapted to flow generally in opposite directions in the fuel cell stack, so that a water created on the side of oxidant electrode is reciprocally moved between the fuel electrode and the oxidant electrode to increase a water holding region in the solid polymer electrolyte membrane. The fuel cell of the present invention can improve fuel cell characteristics without providing any humidifier.
    • 本发明提供一种固体聚合物电解质燃料电池,其包括通过层叠多个燃料电池单元而形成的燃料电池堆,所述多个燃料电池单元包括燃料电极,氧化剂电极和插在燃料和氧化剂电极之间的固体聚合物电解质膜。 燃料电池单元可操作以通过供应到燃料电极侧的第一气体和供给到氧化剂电极侧的第二气体之间的电化学反应产生电力。 在该燃料电池中,供给到燃料电极侧的第一气体和供给到氧化剂电极侧的第二气体适于在燃料电池堆中大致相反地流动,从而在侧面产生水 氧化剂电极在燃料电极和氧化剂电极之间往复移动,以增加固体聚合物电解质膜中的保水区域。 本发明的燃料电池可以在不设置任何加湿器的情况下改善燃料电池特性。
    • 9. 发明授权
    • Solid polymer electrolyte fuel cell
    • 固体聚合物电解质燃料电池
    • US07273672B2
    • 2007-09-25
    • US10386470
    • 2003-03-13
    • Yoshitsugu SoneMitsushi UenoSaburou Kuwashima
    • Yoshitsugu SoneMitsushi UenoSaburou Kuwashima
    • H01M2/14
    • H01M8/04291H01M8/04029H01M8/04156H01M8/04164H01M8/04171
    • The present invention provides a solid polymer electrolyte fuel cell comprising a fuel cell stack 21 formed by laminating a plurality of fuel cell units each of which includes a fuel electrode 23, an oxidant electrode 24, and a solid polymer electrolyte membrane 22 interposed between the fuel and oxidant electrodes. The fuel cell unit is operable to generate an electric power through an electrochemical reaction between a first gas supplied to the side of the fuel electrode 23 and a second gas supplied to the side of the oxidant electrode 24. In this fuel cell, the first gas supplied to the side of the fuel electrode 23 and the second gas supplied to the side of the oxidant electrode 24 are adapted to flow generally in opposite directions in the fuel cell stack 21, so that a water created on the side of oxidant electrode 24 is reciprocally moved between the fuel electrode 23 and the oxidant electrode 24 to increase a water holding region in the solid polymer electrolyte membrane 22. The fuel cell of the present invention can improve fuel cell characteristics without providing any humidifier.
    • 本发明提供一种固体聚合物电解质燃料电池,其包括通过层叠多个燃料电池单元而形成的燃料电池堆21,所述燃料电池单元包括燃料电极23,氧化剂电极24和介于燃料之间的固体聚合物电解质膜22 和氧化剂电极。 燃料电池单元可操作以通过供应到燃料电极23侧的第一气体和供给到氧化剂电极24侧的第二气体之间的电化学反应产生电力。 在该燃料电池中,向燃料电极23侧供给的第一气体和供给到氧化剂电极24一侧的第二气体一般在燃料电池组21中沿相反方向流动,从而形成水 在氧化剂电极24的一侧在燃料电极23和氧化剂电极24之间往复移动,以增加固体聚合物电解质膜22中的保水区域。 本发明的燃料电池可以在不设置任何加湿器的情况下改善燃料电池特性。