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    • 3. 发明申请
    • HIGH PERFORMANCE FLOW BATTERY
    • 高性能流量电池
    • US20130029187A1
    • 2013-01-31
    • US13646189
    • 2012-10-05
    • ZINC AIR INCORPORATED
    • John F. CooperHoward F. WilkinsKevin WittDavid WilkinsGregory J. WilsonRoger HollandsworthJoseph Grover Gordon, IIAlan J. GotcherGodfrey Sikha
    • H01M2/38
    • H01M8/04186H01M2/38H01M8/188H01M8/20
    • High performance flow batteries, based on alkaline zinc/ferro-ferricyanide rechargeable (“ZnFe”) and similar flow batteries, may include one or more of the following improvements. First, the battery design has a cell stack comprising a low resistance positive electrode in at least one positive half cell and a low resistance negative electrode in at least one negative half cell, where the positive electrode and negative electrode resistances are selected for uniform high current density across a region of the cell stack. Second, a flow of electrolyte, such as zinc species in the ZnFe battery, with a high level of mixing through at least one negative half cell in a Zn deposition region proximate a deposition surface where the electrolyte close to the deposition surface has sufficiently high zinc concentration for deposition rates on the deposition surface that sustain the uniform high current density. The mixing in the flow may be induced by structures such as: conductive and non-conductive meshes; screens; ribbons; foam structures; arrays of cones, cylinders, or pyramids; and other arrangements of wires or tubes used solely or in combination with a planar electrode surface. Third, the zinc electrolyte has a high concentration and in some embodiments has a concentration greater than the equilibrium saturation concentration—the zinc electrolyte is super-saturated with Zn ions.
    • 基于碱性锌/铁 - 铁氰化物可再充电(ZnFe)和类似流动电池的高性能流动电池可以包括以下一个或多个改进。 首先,电池设计具有包括在至少一个正半电池中的至少一个正半电池中的低电阻正电极和至少一个负半电池中的低电阻负极的电池堆,其中选择正极和负极电阻以实现均匀的高电流 细胞堆叠区域的密度。 其次,在ZnFe电池中的锌物质的流动通过在靠近沉积表面的电解质附近的Zn沉积区域中的至少一个负半电池的高水平混合具有足够高的锌 对沉积表面的沉积速率的浓度维持均匀的高电流密度。 流动中的混合可以由诸如:导电和非导电网格的结构引起; 屏幕; 丝带 泡沫结构; 锥体,圆柱体或金字塔阵列; 以及单独使用或与平面电极表面组合使用的电线或管的其它布置。 第三,锌电解质具有高浓度,在一些实施方案中具有大于平衡饱和浓度的浓度 - 锌电解质被Zn离子过饱和。
    • 8. 发明授权
    • Partial flow cell
    • 部分流通池
    • US08236440B2
    • 2012-08-07
    • US13102566
    • 2011-05-06
    • Richard M. Bendert
    • Richard M. Bendert
    • H01M2/38H01M6/02
    • H01M10/28H01M2/1606H01M4/244
    • A partial flow cell may include a cathode chamber, an anode chamber, and a separator arrangement sandwiched between the cathode and anode chambers. The separator arrangement may be configured to permit ionic flow between electroactive materials disposed within the cathode and anode chambers. One of the cathode and anode chambers may be configured to permit an electroactive material to flow through the chamber during operation. The other of the cathode and anode chambers may be configured to hold an electroactive material fixed within the chamber during operation.
    • 部分流通池可以包括阴极室,阳极室和夹在阴极室和阳极室之间的隔板装置。 分离器装置可以被配置为允许在布置在阴极室和阳极室之间的电活性材料之间的离子流动。 阴极和阳极室中的一个可以被配置为允许电活性材料在操作期间流过腔室。 阴极和阳极室中的另一个可以被配置为在操作期间保持固定在腔室内的电活性材料。