A flow battery electrode frame and its application and flow battery
A technology of liquid flow batteries and electrode frames, which is applied in the direction of fuel cells, circuits, electrical components, etc., can solve the problems of hindering commercialization and industrialization, high cost, and low production efficiency, so as to reduce the cost of stacks and benefit the industry. The effect of simple chemical and preparation process
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[0025] Place the ion-conducting membrane in the strip-shaped step of the No. 1 electrode frame, which is surrounded by the through hole in the middle and the bottom edge of the groove. Laser welding is used to weld the ion-conducting membrane and the strip-shaped steps together. This constitutes a frame-membrane integrated structure ( figure 1 ). This welding can prevent the active materials in the positive and negative electrodes inside the battery from contacting each other, causing a decrease in the coulombic efficiency of the battery.
[0026] Place the bipolar plate in the strip-shaped step of the No. 2 electrode frame, which is surrounded by the through hole in the middle and the bottom edge of the groove. Laser welding is used to weld the bipolar plate and the strip steps together. This constitutes a frame-plate integrated structure ( figure 2 ). This welding can also prevent the active materials in the positive and negative electrodes inside the battery from cont...
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