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The reporter learned from Hefei University of Technology that Prof. Weixin Zhang’s task force collaborated with Prof. Yang Shihe from the Hong Kong University of Science and Technology and recently developed a new high performance manganese-based lithium-ion battery electrode material using novel soft chemical synthesis methods. The discharge capacity is comparable to existing materials. Greatly improved. International Journal of Applied Chemistry, the top academic journal in the field of chemistry, recently published academic papers on this achievement.
It is understood that an important factor restricting the development of new industries such as electric vehicles and grid energy storage is to solve the energy density problem of lithium-ion batteries under the basic conditions of safety, environmental protection, cost, and longevity. How to increase the storage capacity and quick charge and discharge capacity per unit weight is a hot topic in the global industry in recent years.
Recently, Prof. Weixin Zhang from the School of Chemistry and Chemical Engineering at Hefei University of Technology teamed up with Prof. Yang Shihe from the Hong Kong University of Science and Technology to combine the advantages of even one-dimensional micro- and nano-structure materials with the application requirements of lithium-ion batteries to achieve material composition and structure. A series of micro- and nano-structured manganese-based lithium-ion battery electrode materials, such as lithium-rich, ternary, and high-potential nickel-manganese, have been successfully prepared and controlled, and excellent electrochemical performances have been demonstrated.
Experiments show that when a 10-hour slow discharge capacity of a uniform one-dimensional micro/nanostructure lithium-rich material reaches approximately 300 mA per gram, the rapid discharge capacity at 6 minutes reaches 150 mA per gram, and the discharge capacity is obtained as compared with the existing lithium battery materials. It is greatly improved, and the production process is simple, the operation is convenient, and the reaction solvent can be recycled and reused, which has important scientific significance and application prospects.
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