极片涂敷层表面颗粒噪声较强。

The superficial grain noise of coating layer on battery electrodes is bad.

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结合生产实际，分析了马钢家电彩涂板生产过程中表面颗粒问题的产生原因并提出改进措施。

Causes of surface particles on color-coated sheet produced by Masteel for home appliance are analyzed based on practical production.

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经过 KOH 碱溶液活化处理后，镀层表面颗粒变细，活性表面积增加，析氢性能有所增强。

The hydrogen evolution reaction (HER) is enhanced, the particles in surface are smaller and the surface area is larger after activated by KOH alkaline solution.

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