A Bifunctional Electrolyte Additive Features Preferential Coordination with Iodine toward Ultralong‐Life Zinc–Iodine Batteries
Tianjin University · National University of Singapore · +3 more institutions
Abstract
Abstract Aqueous zinc–iodine (Zn‐I 2 ) battery is one of the most promising candidates for large‐scale energy storage due to its cost‐effectiveness, environmental friendliness, and recyclability. Its practical application is hindered by challenges including polyiodide “shuttle effect” in the cathode and anode corrosion. In this study, a zinc pyrrolidone carboxylate bifunctional additive is introduced to simultaneously tackle the issues of the polyiodide and Zn anode. It is revealed that the pyrrolidone carboxylate anions decrease the polyiodide concentration by preferential coordination between the pyrrolidone carboxylate anions and I 2 based on the Lewis acid‐base effect, suppressing the shuttle effect and…
Citation impact
- FWCI
- 23.67
- Percentile
- 100%
- References
- 42
Authors
11- FWFeifei Wang
Tianjin University, National University of Singapore, Unité Matériaux et Transformations
- WLWenbin Liang
Tianjin University, Unité Matériaux et Transformations
- XLXinyi Liu
Chinese Academy of Sciences, Changchun Institute of Applied Chemistry
- TYTianyu Yin
Tianjin University, Unité Matériaux et Transformations
- ZCZihui Chen
Tianjin University, Unité Matériaux et Transformations
Topics & keywords
- Carboxylate
- Bifunctional
- Zinc
- Electrolyte
- Inorganic chemistry
- Galvanic anode
- Anode
- Faraday efficiency