Hefei University of Technology has made new progress in the research and development of CR2032 button cell battery electrode materials

The reporter learned from Hefei University of Technology on the 1st that the school's researchers have made new progress in the research and development of high-performance manganese-based lithium-ion battery electrode materials, and the relevant research results have been published in the excellent international chemistry journal "German Angewandte Chemie".

The next generation of lithium-ion batteries, which have major application needs for electric vehicles and grid energy storage, have put forward higher requirements for energy density and fast charging and discharging capabilities under the basic conditions of safety, environmental protection, cost, and life.

According to reports, the research group of Professor Zhang Weixin of the School of Chemistry and Chemical Engineering of Hefei University of Technology and Professor Yang Shihe of the Hong Kong University of Science and Technology have successfully prepared a series of one-dimensional micro-nanostructured electrode materials with uniform morphology, such as lithium-rich, ternary, high-potential nickel-manganese and other manganese-based positive electrode materials and transition metal oxide negative electrode materials for lithium-ion batteries in the ethanol/water system, showing that this method has good versatility.

The experimental results show that the uniform one-dimensional micro-nanostructured lithium-rich materials prepared in this project have greatly improved their discharge capacity in the 10-hour slow discharge and 6-minute fast discharge tests.

It is reported that the method has simple process, convenient operation, and the solvent of the reaction can be recycled and reused, which is green and environmentally friendly, and easy to realize industrialization. This research work was funded by the National Natural Science Foundation of China's major research plan cultivation project, and has important scientific significance and broad application prospects.

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