A perspective on the role of anions in highly concentrated aqueous electrolytes

被引：93
作者：
Han, Jin [1 ,2 ]
Mariani, Alessandro [1 ,2 ,4 ]
Passerini, Stefano [1 ,2 ,3 ]
Varzi, Alberto [1 ,2 ]
机构：
[1] Helmholtz Inst Ulm HIU, Helmholtzstr 11, D-89081 Ulm, Germany
[2] Karlsruhe Inst Technol KIT, POB 3640, D-76021 Karlsruhe, Germany
[3] Univ Rome Sapienza, Chem Dept, Piazzale A Moro 5, I-00138 Rome, Italy
[4] ELETTRA Synchrotron Trieste, I-34012 Trieste, Italy
来源：
ENERGY & ENVIRONMENTAL SCIENCE | 2023年 / 16卷 / 04期
关键词：
IN-SALT ELECTROLYTE; SOLID-ELECTROLYTE; RENEWABLE ENERGY; SODIUM-AIR; WATER; LITHIUM; STABILITY; LIQUID; SUPERCAPACITORS; PERFORMANCE;
D O I：
10.1039/d2ee03682g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Highly concentrated aqueous electrolytes enable a wider electrochemical stability window and, thus, higher energy batteries compared to conventional dilute aqueous solutions. Multiple properties of the electrolyte, e.g., ionic interactions, solvation structure, ion transport, tendency to hydrolyze, and capability to form a solid electrolyte interphase, distinctly change when the salt concentration is increased and highly depend on the salt anion. This work aims at reviewing, discussing and rationalizing the role of the salt anion in these physical and chemical properties in order to provide perspective guidelines for future developments.
引用
收藏
页码：1480 / 1501
页数：22
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