取一只薄壁的空塑料瓶(如洗洁净瓶、饮料瓶等),装入盐水或酸、碱等电解质溶液(不要装满,以免磨擦瓶壁时,电解液溢出);从瓶盖上向瓶内插入一根金属导线,导线一端露出瓶盖少许。至此,一只电解电容式起电瓶即制作完成。用塑料薄膜磨擦瓶外壁,瓶中导线上即感应产生静电;也可用塑料薄膜包裹瓶外壁,这样也能使导线在短时 Take a thin-walled empty plastic bottle (such as wash clean bottles, beverage bottles, etc.), and then add salt water or acid, alkali and other electrolyte solutions (do not fill, so as not to rub the bottle wall, the electrolyte overflows); from the bottle cap Insert a metal wire into the bottle, one end of the wire exposed a little cap. At this point, an electrolytic capacitor-type battery was produced. Rubbing the outer wall of the bottle with a plastic film induces static electricity on the wire in the bottle; the outer wall of the bottle can also be wrapped with plastic film, which can also make the wire short-term.