2024年5月26日 · 关键词: 废旧磷酸铁锂电池, 回收, 机械固相氧化, 浸取, 选择性, 过硫酸钾 Abstract: K 2 S 2 O 8 was used as an oxidant to treat the cathode powder of spent lithium iron phosphate (LiFePO 4) batteries by three methods: oxidation leaching, mechanical activation combined oxidation leaching, and mechanical solid-phase oxidation combined water leaching.