Synergistic Effect of Binary Electrolyte on Enhancement of the Energy Density in Li-O

Autor: Yoko, Hase, Kiho, Nishioka, Yasuhiro, Komori, Takayoshi, Kusumoto, Juntaro, Seki, Kazuhide, Kamiya, Shuji, Nakanishi
Rok vydání: 2020
Zdroj: The journal of physical chemistry letters. 11(18)
ISSN: 1948-7185
Popis: Enhancement of the discharge capacity of lithium-oxygen batteries (LOBs) while maintaining a high cell voltage is an important challenge to overcome to achieve an ideal energy density. Both the cell voltage and discharge capacity of an LOB could be controlled by employing a binary solvent electrolyte composed of dimethyl sulfoxide (DMSO) and acetonitrile (MeCN), whereby an energy density 3.2 times higher than that of the 100 vol % DMSO electrolyte was obtained with an electrolyte containing 50 vol % of DMSO. The difference in the solvent species that preferentially solvates Li
Databáze: OpenAIRE