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Updated: Apr 30, 2026
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Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
Published on: August 12, 2013
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Taming the Temperature Extremes: An Entropy-Regulated Electrolyte for Wide-Temperature Lithium-Ion Batteries
Junhui Zhang1, Chunrong Ma2, Guangshuai Han3
1School of Chemistry and Chemical Engineering, Qingdao University, Qingdao, Shandong 266071, China.
ACS Nano
|April 28, 2026
Summary
New entropy-enhanced electrolytes improve lithium-ion battery performance across wide temperatures. These advanced electrolytes enable long-term stability and high energy density for electric vehicles and energy storage.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- High-energy lithium-ion batteries are vital for electric vehicles and energy storage.
- Conventional electrolytes limit battery performance across wide temperature ranges.
Purpose of the Study:
- To develop novel entropy-enhanced electrolytes for graphite||LiNi0.9Co0.05Mn0.05O2 (NCM955) cells.
- To improve thermodynamic stability, ionic kinetics, and electrode/electrolyte interphase formation.
Main Methods:
- A data-driven approach was used to design entropy-enhanced electrolytes.
- Systematic investigation of anode and cathode film-forming abilities.
- Testing of graphite||NCM955 cells with optimized electrolytes across various temperatures.
Main Results:
- Entropy-enhanced electrolytes with diversified solvation structures improved stability and kinetics.
- A specific formulation facilitated stable electrode/electrolyte interphases.
- Cells demonstrated over 1500 cycles with high capacity retention from -30 to 70 °C.
Conclusions:
- Entropy-enhanced electrolytes enable high-energy-density lithium-ion batteries with all-climate adaptability.
- This research offers insights for next-generation battery electrolyte development.
- Stable cycling performance across extreme temperatures was achieved.
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