Study on Mn Recycling in Zn-Mn Battery and its Reutilization in Lithium-Ion Batteries

Abstract:

Wet recycling method was utilized for recycling manganese from waste Zn-Mn batteries to obtain MnCO₃. It was indicated that soaking time, the concentration and volume of acid all have great effects on the yield of MnCO₃. The productivity of MnCO₃ can reach 64.65%, when the concentration of HCl acid is 5mol/L, and with a volume of 40ml, under 180min soaking time. The productivity of MnCO₃ can also reach 63.36%, when the concentration of HNO₃ is 6mol/L, with 60ml volume by soaking for 80min. Furthermore, LiMn₂O₄ was synthesized in air atmosphere with the recycled MnCO₃ and Li₂CO₃ under different calcination temperatures. The electrochemical performances of prepared LiMn₂O₄ were studied and the results present preferable electrochemical properties.

• Periodical: Key Engineering Materials (Volume 729)
• Pages: 35-39
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.729.35
• Online since: February 2017
• Authors: Shi Jiang, Yang Li, Yan Ping Cheng
• Keywords: Acid Leaching Recovery, Electrochemical Performance, LiMn₂O₄, Waste Zn-Mn Battery

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