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    • 5. 发明授权
    • Proton exchange membrane electrochemical capacitors
    • 质子交换膜电化学电容器
    • US5136474A
    • 1992-08-04
    • US654414
    • 1991-02-11
    • Srinivasan SarangapaniPhilip M. LessnerAnthony B. LaConti
    • Srinivasan SarangapaniPhilip M. LessnerAnthony B. LaConti
    • H01G9/02H01G9/025H01G9/04
    • H01G9/025H01G9/04Y10T29/417
    • Disclosed is a high-energy-density all-solid ionomer electrochemical capacitor, completely free of liquid electrolyte. The capacitor includes 1) a three-dimensional metal oxide-particulate-ionomer composite electrode structure, whereby the ionomer coats the individual particles and provides a mechanism for continuous proton transport throughout the composite structure and 2) a unitized repeating cell element that includes this three-dimensional composite electrode structure. The composite electrode structures are bonded to opposite sides of a thin sheet of a solid proton-conducting ionomer membrane and form an integrally bonded membrane and electrode assembly (MEA). The composite electrodes of the MEA are pressed against thin electrically conductive current collectors to form a repeating element in a bipolar cell capacitor arrangement. Energy storage and discharge are achieved by utilizing double-layer and reversible redox processes. High-energy-density is achieved by utilizing select high-surface-area conductive metal oxide powders wherein the individual particles are in intimate contact with a film of a highly ionically conducting solid polymer ionomer.
    • 公开了一种完全不含液体电解质的高能密度全固态离聚物电化学电容器。 电容器包括1)三维金属氧化物 - 颗粒 - 离聚物复合电极结构,由此离聚物涂覆各个颗粒并提供贯穿整个复合结构的连续质子传输的机理,以及2)包含这三个元素的单元化重复单元元件 复合电极结构。 复合电极结构结合到固体质子导电离聚物膜的薄片的相对侧并形成整体结合的膜和电极组件(MEA)。 MEA的复合电极被压在薄的导电集电器上,以在双极单元电容器布置中形成重复元件。 通过利用双层和可逆的氧化还原过程实现储能和放电。 通过利用选择的高表面积导电金属氧化物粉末实现高能量密度,其中各个颗粒与高度离子导电的固体聚合物离聚物的膜紧密接触。