Recently, under the guidance of Academician Fang Daining of Beijing Institute of Technology, the team of Prof. Chen Haosen and Associate Professor Song Weili worked closely with the team of Professor Jiao Shuqiang of Beijing University of Science and Technology. Based on the self-developed in-situ battery mechanics / electrochemical coupling visual characterization technology, the dual ion battery mechanics / Significant progress has been made in electrochemical coupling, and related results have been published in the international journal Advanced Energy Materials (2017 impact factor 21.875).
This work is based on the rich mineral carbon resources such as graphite and biomass. The development of ultra-light three-dimensional network carbon collectors through biomass derivatives, and loading graphite active substances on this collector, obtained a full carbon electrode; through positive and negative charge matching, Full carbon dual ion battery with positive and negative electrodes both integrated with full carbon electrodes is integrated. The realization of the all-carbon dual-ion battery provides a new idea for the development of low-cost, high-performance, electrochemically stable, and mechanically stable dual-ion batteries. Alternatives are proposed for the shortage of lithium and cobalt resources in ion batteries.
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