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1.发明公开
公开(公告)号：EP1406333A1
公开(公告)日：2004-04-07
申请号：EP02722913.7
申请日：2002-04-30
发明人： KUBATA, M., Osaka Works of S. Elec. Ind. Ltd. , NAKAISHI, H., Osaka Works of S. Elec. Ind. Ltd. , TOKUDA, N., The Kansai Electric Power Co. Inc.
CPC分类号： H01M8/188 , H01M2300/0008 , H01M2300/0011 , Y02E60/528 , Y02P70/56
摘要： The present invention provides electrolyte that can suppress reduction of battery efficiencies and capacities with increased cycles of charge/discharge of the battery, a method for producing the same, and a redox flow battery using the same electrolyte. The redox flow battery uses the electrolyte having a NH 4 content of not more than 20ppm and a relation of Si concentration (ppm) × electrolyte quantity (m 3 )/electrode area (m 2 ) of less than 5ppm · m 3 /m 2 . By limiting a quantity of contaminants in the electrolyte, a clogging of carbon electrodes to cause reduction of the battery performances with increased charge/discharge operations can be suppressed.
摘要翻译： 抑制电池效率降低和电池重复充电/放电循环的能力的电解液的NH 4含量为20ppm以下，Si浓度（ppm）×电解质量（ppm） M 3>）/电极面积（m 2>）小于5ppm m 3> / m 2>。
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2.发明授权
公开(公告)号：EP1406333B1
公开(公告)日：2011-10-19
申请号：EP02722913.7
申请日：2002-04-30
发明人： KUBATA, M., Osaka Works of S. Elec. Ind. Ltd. , NAKAISHI, H., Osaka Works of S. Elec. Ind. Ltd. , TOKUDA, N., The Kansai Electric Power Co. Inc.
CPC分类号： H01M8/188 , H01M2300/0008 , H01M2300/0011 , Y02E60/528 , Y02P70/56
摘要： An electrolyte which suppresses a decrease in the cell efficiency and in the capacity with repetition a charge/discharge cycle of the cell, a method for manufacturing the electrolyte, and a redox-flow cell comprising it. The electrolyte has an NH4 content of 20ppm or less and a quantity of Si concentration (ppm) × the amount of electrolyte (m3)/electrode area (m2) of less than 5ppm m3/m2. The limitation of the impurity amount makes it possible to suppress a decrease in the cell performance due to the loading of a carbon electrode in a cell with impurities with the charge/discharge operation.
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