过硫酸铵在多个领域都有应用，以下是其主要应用领域：

Ammonium persulfate has applications in multiple fields, and the following are its main application areas:

蓄电池工业：过硫酸铵被广泛地应用于蓄电池工业。它还用作聚合的引发剂、纤维工业的脱浆剂，并可作金属及半导体材料表面处理剂、印刷线路的刻蚀剂，还广泛用于石油开采的油层压裂，面粉和淀粉加工业、油脂工业等。

Battery industry: Ammonium persulfate is widely used in the battery industry. It is also used as an initiator for polymerization, a desizing agent in the fiber industry, and can be used as a surface treatment agent for metal and semiconductor materials, an etchant for printing circuits. It is also widely used in oil reservoir fracturing, flour and starch processing industry, oil and fat industry, etc.

氧化金属表面处理：过硫酸铵可用于有机合成工业中，高分子物聚合的引发剂。

Metal oxide surface treatment: Ammonium persulfate can be used as an initiator for polymer polymerization in the organic synthesis industry.

有机合成工业：用于合成苯胺染料的氧化发色剂。

Organic synthesis industry: an oxidizing agent used for synthesizing aniline dyes.

石油开采：用于井下压裂的添加剂。

Oil extraction: an additive used for downhole fracturing.

请注意，过硫酸铵具有强氧化性和腐蚀性，使用时务必注意安全。

Please note that ammonium persulfate has strong oxidizing and corrosive properties, so be sure to pay attention to safety when using it.