一种用于高面容量的锌溴液流电池电解液及其制备方法与应用
By introducing disodium 1,2-ethanedisulfonate (ESD) as an additive to the negative electrode electrolyte in zinc-bromine flow batteries, the zinc ion solvation structure and deposition behavior were regulated, solving the problem of zinc dendrite growth and achieving high areal capacity and long lifespan performance of zinc-bromine flow batteries.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SOUTH CHINA UNIV OF TECH
- Filing Date
- 2025-04-16
- Publication Date
- 2026-07-17
AI Technical Summary
Zinc dendrite growth is severe in zinc-bromine flow batteries under high areal capacity conditions, resulting in poor cycle stability and shortened lifespan. Existing modification strategies are difficult to balance battery performance and stability simultaneously.
Disodium 1,2-ethanedisulfonate (ESD) was used as an additive for the negative electrode electrolyte to regulate the solvation structure of zinc ions, suppress hydrogen evolution side reactions, and adsorb at the interface during zinc deposition to restrict the two-dimensional diffusion of zinc and induce preferential deposition of Zn(002).
It effectively suppresses zinc dendrite growth, improves the cycle stability and coulombic efficiency of the battery, and achieves high areal capacity and long lifespan performance of zinc-bromine flow batteries.
Smart Images
Figure CN120261651B_ABST