化工新型材料

化工新型材料 ›› 2022, Vol. 50 ›› Issue (6) : 75-79. DOI: 10.19817/j.cnki.issn1006-3536.2022.06.014

综述与专论

锂离子电池锰酸锂正极材料研究进展

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Research progress on LiMn₂O₄ cathode material for Li-ion battery

Luo Fenglan, Xie Hongyan

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文章历史 +

Received
2021-03-07
Issue Date	Revised Date
2022-07-06	2021-03-07

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摘要

LiMn₂O₄具有低成本和环境友好性,是锂离子电池最有前途的正极材料之一。综述了近年来LiMn₂O₄正极材料的制备方法、改性处理及冶金-材料一体化新型工艺的研究进展。制备LiMn₂O₄的主要方法有高温固相法、微波合成法、溶胶-凝胶法、共沉淀法和水热合成法等。提高LiMn₂O₄电化学性能采用的主要手段为表面包覆和掺杂处理。冶金-材料一体化是新型工艺,从冶金矿物中寻找锰源制备锰酸锂可实现材料与原料的共同进步。通过综述,分析现状存在的优点及局限性,提出未来LiMn₂O₄研究方法的发展趋势。

Abstract

LiMn₂O₄ is one of the most promising cathode materials for Li-ion batteries due to its low cost and environmental friendliness.The research progress of preparation methods,modification treatment and new metallurgical material integration process of LiMn₂O₄ cathode materials in recent years was reviewed.The main methods of preparing LiMn₂O₄ included high temperature solid phase method,microwave synthesis,sol-gel method,coprecipitation method and hydrothermal synthesis method.The main methods to improve the electrochemical performance of LiMn₂O₄ were surface coating and doping.The integration of metallurgy and materials was new technology.The common progress of materials and raw materials can be achieved by looking for manganese sources from metallurgical minerals to prepare lithium manganate.Through the review,the advantages and limitations of the current situation were analyzed,and proposed the development trend of LiMn₂O₄ research methods in the future.

关键词

锰酸锂 / 锂离子电池 / 制备 / 改性 / 冶金-材料一体化

Key words

LiMn₂O₄ / lithium ion battery / preparation / modification / metallurgy and material integration

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锂离子电池锰酸锂正极材料研究进展[J]. 化工新型材料, 2022, 50(6): 75-79 DOI:10.19817/j.cnki.issn1006-3536.2022.06.014

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