Redox flow battery
    4.
    发明授权
    Redox flow battery 有权
    氧化还原液流电池

    公开(公告)号:US06764789B1

    公开(公告)日:2004-07-20

    申请号:US09831910

    申请日:2001-05-25

    IPC分类号: H02M436

    摘要: The present invention provides a redox flow type battery which a liquid-circulating battery comprising a battery cell and storage tanks for positive and negative electrolytes, wherein the battery cell is separated by a membrane to provide a positive cell and a negative cell, each cell having a liquid-permeable porous electrode disposed therein, wherein the positive and negative electrolytes are sulfuric acid aqueous solutions with vanadium ion concentrations of 0.5 mol/l to 8 mol/l and the electrolyte which migrates through the membrane over cycles of charge and discharge is returned from the storage tank where the liquid increases to the storage tank where the liquid decreases in order to keep the change in the amounts of the positive and negative electrolytes in a certain range while charge and discharge are carried out.

    摘要翻译: 本发明提供了一种氧化还原液流型电池,其包括电池单体的液体循环电池和用于正电解质和负电解质的储罐,其中电池单元被隔膜分离以提供正电池和负电池,每个电池具有 设置在其中的透液性多孔电极,其中正电解质和负电解质是钒离子浓度为0.5mol / l至8mol / l的硫酸水溶液,并且在充电和放电循环中迁移通过膜的电解质返回 从液体增加的储存罐到液体减少的储罐,以便在执行充电和放电的同时将正电解质和负电解质的量的变化保持在一定范围内。

    Liquid-circulating battery
    5.
    发明授权
    Liquid-circulating battery 失效
    液体循环电池

    公开(公告)号:US5759711A

    公开(公告)日:1998-06-02

    申请号:US801115

    申请日:1997-02-14

    摘要: The present invention provides a liquid-circulating battery including a positive electrode, a negative electrode, a permeable membrane interposed between the positive and negative electrodes to hold the same in separated relation to each other and to partition the same into a positive chamber and a negative chamber, two porous liquid-permeable carbon electrodes disposed respectively in the positive and negative electrolytic solutions being circulated respectively into the positive and negative chambers such that an oxidation-reduction reaction occurs and causes charging and discharging, wherein the permeable membrane is an ion-exchange me membrane including as an ion exchanger layer a polymeric pellicle which results from crosslinking of a halogenated alkylated product of an aromatic polysulfone type polymer with use of a polyamine and which has an ion exchange capacity of 0.3 to 8.0 milliequivalent/gram of dry resin and a thickness 0.1 to 120 .mu.m, said polysulfone type polymer having as a recurring unit a group represented at least by the following formula (I); and ##STR1## and wherein each of said positive and negative electrolytic solutions is an electrolytic solution having a vanadium ion concentration of 0.5 to 8 mols/liter.

    摘要翻译: 本发明提供一种液体循环电池,其包括正电极,负电极,插入在正极和负极之间的可渗透膜,以将它们彼此分隔开并将其分隔成正室和负极 分别在正,负电解液中设置的两个多孔透液碳电极分别循环到正室和负室中,使得氧化还原反应发生并引起充放电,其中透膜是离子交换 其包括作为离子交换剂层的聚合物薄膜,其由使用多胺的芳族聚砜型聚合物的卤代烷基化产物的交联产生,并且其离子交换容量为0.3-8.0毫当量/克干树脂和 所述聚砜型聚合物的厚度为0.1〜120μm 作为重复单元,至少由下式(I)表示的基团; 和(I),其中所述正电解液和阴电解液各自是钒离子浓度为0.5至8摩尔/升的电解液。