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    • 3. 发明公开
    • ALL-VANADIUM REDOX FLOW BATTERY AND OPERATION METHOD THEREOF
    • VANADIUM REDOX-DURCHFLUSSBATTERIE UND BETRIEBSVERFAHRENDAFÜR
    • EP3024080A4
    • 2017-03-22
    • EP14825952
    • 2014-07-15
    • DALIAN RONGKE POWER CO LTD
    • GAO XINLIANGZHANG HUAMINWANG XIAOLILIU RUONANLI YINGZHAO YELONGLIN ZEQING
    • H01M8/18
    • H01M8/188Y02E60/528
    • An all-vanadium redox flow battery and an operation method thereof, which belong to the field of flow batteries. The all-vanadium redox flow battery comprises a positive electrolyte and a negative electrolyte. A total vanadium ratio of the positive electrolyte and the negative electrolyte is maintained at the following ratio: positive electrolyte: negative electrolyte =1:1.5-1:1.2. Both the positive electrolyte and negative electrolyte comprise additives, the concentration of the additives being 0.01mol/L-0.5mol/L. the additive is at least one selected from sulfuric acid, sulfate, phosphoric acid, phosphate, pyrophosphate, and polyphosphate. The all-vanadium redox flow battery can operate with high-energy-density, and can also significantly reduce the irreversible discharge capacity attenuation caused by a hydrogen evolution side-reaction.
    • 属于流动电池领域的全钒氧化还原液电池及其操作方法。 全钒氧化还原液流电池包括正电解质和负电解质。 正电解质和负电解质的总钒比保持在以下比例:正电解质:负电解质= 1:1.5-1:1.2。 正电解质和负电解质都包含添加剂,添加剂的浓度为0.01mol / L-0.5mol / L。 添加剂是选自硫酸,硫酸盐,磷酸,磷酸盐,焦磷酸盐和多磷酸盐中的至少一种。 全钒氧化还原液流电池可以以高能量密度工作,并且还可以显着降低由析氢反应引起的不可逆放电容量衰减。
    • 9. 发明公开
    • METHOD AND SYSTEM FOR DETERMINING THE STATE OF CHARGE OF FLOW BATTERY SYSTEM
    • 用于确定流动电池系统的电荷状态的方法和系统
    • EP3246720A1
    • 2017-11-22
    • EP17173863.6
    • 2015-11-03
    • Dalian Rongke Power Co., Ltd.
    • ZHANG, YuZHANG, HuaminZOU, YiLI, YingWANG, XiaoliHAN, XiHAN, LecongZHANG, TaoMA, XiangkunZHAO, Honggui
    • G01R31/36H01M8/18H01M8/20H01M8/04537H01M10/48
    • A method and system for monitoring a state of charge (SOC) of a flow battery system, flow battery based on a redundancy design of an SOC detection device, method and device for determining an actual capacity of the flow battery, and method and system for estimating an input-output characteristic of a flow battery alternating current side, the monitoring method comprising the following steps: determining SOCs of at least two pairs of different monitoring positions, any pair of monitoring positions being as followings: an inside of an anode electrolyte storage tank(2) and an inside of a cathode electrolyte storage tank(3), inside an anode electrolyte outlet pipeline(6) of a stack and inside a cathode electrolyte outlet pipeline(7) of the stack, or inside an anode electrolyte inlet pipeline(8) of the stack and inside a cathode electrolyte inlet pipeline(9) of the stack; and according to the SOCs respectively corresponding to each pair of monitoring positions, acquiring an SOC sum of a flow battery system. The method ensures acquiring an SOC monitoring result timely and accurately, thus facilitating an increase in a usage efficiency of a flow battery, extending the service life of the battery, and accurately managing a flow battery system.
    • 一种用于监测液流电池系统的充电状态(SOC)的方法和系统,基于SOC检测设备的冗余设计的液流电池,用于确定液流电池的实际容量的方法和设备以及用于 估计液流电池交流侧的输入 - 输出特性,所述监测方法包括以下步骤:确定至少两对不同监测位置的SOC,任何一对监测位置如下:阳极电解质储存器 (2)和阴极电解质储罐(3)的内部,在电池组的阳极电解液出口管线(6)内部和电池组的阴极电解液出口管线(7)内部,或在阳极电解液入口管线 (8)并且在所述堆的阴极电解质入口管线(9)内; 根据分别对应每对监测位置的SOC,获取液流电池系统的SOCCsum。 该方法可以及时准确地获取SOC监测结果,有利于提高液流电池的使用效率,延长电池的使用寿命,并且精确地管理液流电池系统。