Suppression of Gas Crossover and Dendrite Growth in Sodium-Gas Batteries across a Wide Operating Temperature Range

Autor: Xiaofei Hu, Yiwen Zhang, Peiyu Wang, Edward Matios, Weiyang Li
Rok vydání: 2022
Předmět:
Zdroj: ACS nano. 16(11)
ISSN: 1936-086X
Popis: Enabling highly stable alkali metal anodes in gas atmospheres, such as oxygen and carbon dioxide, is critical for the implementation of emerging metal-gas batteries with high energy density and improved safety. Herein, we demonstrate a three-salt electrolyte system to tackle the problems of gas crossover and uncontrolled metallic dendrite growth for all-climate sodium-gas batteries by the formation of an electrochemically/chemically stable solid electrolyte interphase that is rich in fluoride and sulfate compounds. Consequently, the sodium metal anodes present high reversible capacity (10 mAh cm
Databáze: OpenAIRE