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Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

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Published on: August 12, 2013

Electropolymerisation Technologies for Next-Generation Lithium-Sulphur Batteries.

Soochan Kim^1,2, Youngkwan Lee²

¹Department of Engineering, University of Cambridge, Cambridge CB3 0FS, UK.

|August 12, 2023

Summary

Conductive polymers synthesized via electropolymerisation effectively mitigate the shuttle effect in lithium-sulphur batteries (LiSBs). This research explores their application in cathodes, anodes, separators, and electrolytes for improved energy storage.

Keywords:

battery components conductive polymer electropolymerisation lithium–sulphur batteries

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Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Lithium-sulphur batteries (LiSBs) offer high theoretical energy density and cost-effectiveness.
The practical application of LiSBs is hindered by the lithium polysulphide (LPS) shuttle effect.
Conductive polymers show promise in addressing the shuttle effect due to their conductivity and LPS affinity.

Purpose of the Study:

To systematically investigate conductive polymers prepared by electropolymerisation (EP) for LiSB applications.
To evaluate the role of EP-derived conductive polymers in various LiSB components (cathodes, anodes, separators, electrolytes).
To discuss the broader potential of EP technology in next-generation batteries.

Main Methods:

Electropolymerisation (EP) technique used for synthesizing conductive polymers.
Systematic investigation of EP-derived conductive polymers in LiSB components.
Analysis of conductive polymer performance in mitigating the shuttle effect.

Main Results:

Conductive polymers prepared via EP demonstrate effectiveness in alleviating the shuttle effect in LiSBs.
EP-derived polymers show versatile applications across cathodes, anodes, separators, and electrolytes.
Improved electrical conductivity, mechanical flexibility, and LPS affinity were observed.

Conclusions:

Electropolymerisation is a viable and sophisticated method for preparing conductive polymers for LiSBs.
Conductive polymers significantly enhance LiSB performance by controlling the shuttle effect.
EP technology holds substantial potential for advancing future energy storage solutions.