Preparation of Delithiated Cathode Materials of Li-Ion Battery by Chemical Extraction Employing Na₂S₂O₈

Abstract:

A method of conventional chemical reaction to prepare delithiated cathode materials of Li-ion battery has been introduced. The cathode material of Li-ion battery was mixed with oxidizing agent Na₂S₂O₈ in water, and the liquid was stirred continuously to make the chemical reaction proceed sufficiently, then the reaction product was filtered, finally the insoluble delithiated cathode material was obtained. A series of tests were conducted to verify the composition, crystal structure and electrochemical property of the delithiated cathode materials were all desirable. This method overcomes the shortcomings of battery charging preparation and chemical extraction preparation employing other oxidizing agents.

• Periodical: Advanced Materials Research (Volumes 512-515)
• Pages: 969-975
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.512-515.969
• Online since: May 2012
• Authors: Shi Jian Yan, Min Gang Zhang, Yue Sheng Chai, Wen Huai Tian
• Keywords: Chemical Extraction, Delithiated Cathode Materials, Lithium-Ion Battery

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