Our scholars have developed high-performance manganese-based lithium-ion battery materials

Learned from Hefei University of Technology, the group led by Professor Zhang Weixin and Hong Kong University of Science and Technology Professor Yang Shihe and other cooperation, recently using a new type of soft chemical synthesis of a high-performance manganese-based lithium-ion battery electrode material, discharge capacity significantly larger than existing materials Enhance. The international academic field of top academic journals "German Applied Chemistry" recently published academic papers on the results.

It is understood that the current restriction of electric vehicles and grid storage and other new industries an important factor is to meet the safety, environmental protection, cost, life and other basic conditions, to solve the problem of energy density lithium-ion battery. How to improve the unit weight of the storage capacity and rapid charge-discharge capacity, is the global industry research in recent years, hot spots.

Recently, Professor Zhang Weixin from the School of Chemistry and Chemical Engineering of Hefei University of Technology collaborated with Professor Yang Shihe from Hong Kong University of Science and Technology to combine the advantages of uniform one-dimensional micro / nano structure materials with the application requirements of lithium-ion batteries and realized the optimization of material composition, structure and Morphology and effective control, successfully prepared a series of lithium, ternary, high-potential nickel manganese and other one-dimensional micro-nano structure manganese-based lithium ion battery electrode material, showing excellent electrochemical properties.

Experiments show that the uniform one-dimensional micro-nano-structure of lithium-rich materials slow discharge capacity of 10 hours per gram nearly 300 mA, 6 minutes rapid discharge capacity of 150 mA per gram when compared to existing lithium battery materials, discharge capacity Which is greatly improved. The production process is simple, the operation is convenient, the reaction solvent can be recycled and reused, and has important scientific significance and application prospect.

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