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Updated: Jan 21, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
Published on: August 12, 2013
A New Type of Electrolyte System To Suppress Polysulfide Dissolution for Lithium-Sulfur Battery
Tingzhou Yang1, Tao Qian1, Jie Liu1
1College of Energy, Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Key Laboratory of Advanced Optical Manufacturing Technologies of Jiangsu Province, and Key Laboratory of Modern Optical Technologies of Education Ministry of China , Soochow University , Suzhou 215006 , People's Republic of China.
Abstract:
Lithium-sulfur (Li-S) batteries have been explored extensively for high-capacity electric-power storage, but their practical application has been prevented by severe issues stemming from the use of a lithium anode and an organic-liquid electrolyte in which Li2S intermediates of the cell discharge reaction are soluble and shuttle to the anode. Both problems are addressed using bis(4-nitrophenyl) carbonate as an additive in the organic-liquid electrolyte. The soluble Li2S polysulfides react with the additive to create insoluble polysulfides with a lithium byproduct; this byproduct reacts with the Li-metal anode to create an anode passivation layer that is a good Li+ conductor, which allows for safe and rapid plating/stripping of lithium metal with a low impedance.
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