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Issue 1, 2016 - New progress has been made in the research of lithium-sulfur batteries at the University of Science and Technology of China

 Last Update: 2022-11-14
 Source: Internet
 Author: User

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New progress
has been made in the research of lithium-sulfur batteries at the University of Science and Technology of China, Qian Yitai and Zhu Yongchun's research group of University of Science and Technology of China recently developed a new type of lithium-sulfur battery cathode material - selenium-sulfur solid solution
.

Starting from the low-cost commercial sulfur powder and selenium powder, based on the binary phase diagram of the two, the researchers combined them with the porous carbon prepared in the early stage of the experimental group to obtain sulfur-rich compounds with different proportions
.
This research work not only reveals the stability mechanism of selenium-sulfur solid solution, but also lays a foundation
for subsequent research to develop other new lithium-sulfur battery cathode materials.
Lithium-sulfur battery is a secondary battery with sulfur as the cathode material and metal lithium sheet as the negative electrode, which is considered to be one of
the high-energy lithium secondary battery systems with the most research value and application prospects.

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