负极片由铁片或不锈钢片制成。
对负极片进行表面处理的关键是浸胶胶液配方及涂抹胶液的均匀程度，特别是负极片表面的碳颗粒是否会迁移到隔膜和电解液中。
The key of cathode surface treatment is the component of glue liquid and the uniform degree of daubing glue, especially whether the carbon grains are transferred into diaphragm and electrolyte or not.
将绿色的(或负极)鳄鱼夹连接到右肘的电极片上。
Connect the green (or negative) alligator clip to the right elbow electrode patch.
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