DataVXACS Energy LettersPaper
journal article·2026-02-13

A Methyl Propionate-Based Electrolyte for Wide-Temperature Sodium-Ion Batteries

Zhiming Zhou, Yun Wan, Xu Xu, Wenxi Kuang, Xiaoyan Shi, Xiaomin Chen, Jian Chen, Junxiang Liu, Xingqiao Wu, Xunzhu Zhou, Shulei Chou, Lin Li

ACS Energy Letters· Volume 11· Issue 2
Publisher page
Source abstract

Abstract

High-concentration electrolytes (HCE) with unique anion-rich solvation chemistry have attracted extensive attention for sodium-ion full batteries. Unfortunately, they suffer from unsatisfactory physicochemical properties, which inevitably hinder their practical application. Herein, a trade-off between the physicochemical properties and anion-rich solvation chemistry in HCE is achieved by employing methyl propionate (MP) with moderate coordination ability and low viscosity as the sole solvent. The enhanced ionic conductivity and low viscosity of the MP-based HCE significantly enhance ion transport efficiency and electrode wettability, whereas the anion-rich solvation chemistry promotes the formation of robust electrode–electrolyte interphase, which effectively suppresses transition metal dissolution and continuous electrolyte decomposition as well as accelerates the interfacial ion transport kinetics. As a result, the Prussian blue||hard carbon (PB||HC) full cell shows an enhanced rate performance and cycling stability at a wide temperature range of −20–100 °C. This work highlights the importance of solvent coordination ability in electrolyte design for sodium-ion batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute for Carbon Neutralization Technology, College of Chemistry and Materials Engineering

Wenzhou University

Zhejiang Provincial Key Laboratory of Advanced Battery Materials and Technology

Wenzhou University Technology Innovation Institute for Carbon Neutralization

Zhejiang-Australia International Joint Laboratory for Sodium-Ion Batteries

Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry

Nankai University

Wenzhou Key Laboratory of Sodium-Ion Batteries

School of Materials Science and Engineering, Key Laboratory of Structure and Functional Regulation of Hybrid Material

Anhui University

Funding

Anhui Postdoctoral Science Foundation · Science and Technology Plan Project of Wenzhou Municipality · Key Research and Development Program of Zhejiang Province · Basic Research Project of Wenzhou City · National Natural Science Foundation of China · Natural Science Foundation of Zhejiang Province · Wenzhou Association for Science and Technology Innovation Program

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