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Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

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Published on: December 20, 2016

Dissolution, solvation and diffusion in low-temperature zinc electrolyte design.

Yang Dong^1,2, Honglu Hu¹, Ping Liang¹

¹Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, China.

Nature Reviews. Chemistry

|January 8, 2025

Summary

This summary is machine-generated.

Designing anti-freezing aqueous electrolytes is crucial for cold-resistant zinc batteries. This review explores key parameters for improving electrolyte performance in freezing conditions.

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Area of Science:

Electrochemistry
Materials Science
Energy Storage

Background:

Aqueous zinc-based batteries are promising for energy storage but face challenges with electrolyte freezing and slow kinetics at low temperatures.
Developing cold-resistant electrolytes is essential for expanding the operational range of these batteries.

Purpose of the Study:

To review the fundamental parameters for designing anti-freezing aqueous zinc electrolytes.
To evaluate strategies for enhancing electrolyte performance in cold environments.
To identify future research directions for cold-resistant zinc battery electrolytes.

Main Methods:

Analysis of zinc salt dissolution and solvation behaviors.
Investigation of anion and additive effects on electrolyte properties (solubility, ion diffusion, freezing point).
Evaluation of cation-anion-solvent interactions and low-temperature performance strategies.

Main Results:

Understanding salt properties, anion/additive effects, and solvation structures is key to designing anti-freezing electrolytes.
Strategies exist to improve zinc plating/stripping kinetics and cathode charge storage at low temperatures.
Current challenges in cold-resistant electrolyte formulation were identified.

Conclusions:

Further research into cold-resistant aqueous electrolyte formulations is needed for practical zinc battery applications in diverse climates.
Optimizing electrolyte composition and understanding interfacial phenomena are critical for overcoming low-temperature limitations.
This review provides a roadmap for developing robust zinc-based energy storage systems.