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    • 5. 发明申请
    • ALL-IRON REDOX FLOW BATTERY TAILORED FOR OFF-GRID PORTABLE APPLICATIONS
    • 所有铁氧还原流量电池定制为不适用的便携式应用
    • WO2017035257A1
    • 2017-03-02
    • PCT/US2016/048446
    • 2016-08-24
    • THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    • TUCKER, Michael, C.PHILLIPS, AdamWEBER, Adam, Z.
    • H01M4/52H01M2/02H01M2/14H01M2/36H01M2/38H01M2/40H01M8/04
    • H01M12/04H01M4/38H01M8/18H01M2220/30H01M2300/0002
    • An all-iron redox flow battery is proposed and developed for end-users without access to an electricity grid. The concept is a low-cost battery which the user assembles, discharges, and then disposes of the active materials. The design goals are: (1) minimize upfront cost, (2) maximize discharge energy, and (3) utilize non-toxic and environmentally benign materials. These are different goals than typically considered for electrochemical battery technology, which provides the opportunity for a novel solution. The selected materials are: low carbon steel negative electrode, paper separator, porous carbon paper positive electrode, and electrolyte solution containing 0.5 M Fe 2 (S0 4 ) 3 active material and 1.2 M NaCl supporting electrolyte. With these materials, an average power density around 20 mW cm -2 and a maximum energy density of 11.5 Wh L -1 are achieved. A simple cost model indicates the consumable materials cost $6.45 kWh -1 , or only $0,034 per mobile phone charge.
    • 为最终用户提供并开发全铁氧化还原液流电池,无需接入电网。 这个概念是用户组装,放电,然后处置活性物质的低成本电池。 设计目标是:(1)尽量减少前期成本,(2)最大化排放能量,(3)利用无毒,环保的材料。 这些不同于电化学电池技术通常考虑的目标,这为新型解决方案提供了机会。 所选材料为:低碳钢负极,纸分离器,多孔碳纸正极,含有0.5M Fe2(SO4)3活性物质和1.2M NaCl的电解液的电解质溶液。 利用这些材料,实现了大约20mW cm -2的平均功率密度和11.5Wh-1的最大能量密度。 一个简单的成本模式表明,消耗材料的成本为6.45千瓦时-1,或每手机费用为0,034美元。