At a current density of 0.2 C, a high specific capacity of 310 mAh g −1 (C theo = 446 mAh g −1) was maintained after 900 cycles, and the reversible capacity is higher than 113 mAh g −1 even at 10 C, indicating a good rate capability. This research would expand the new application of acetonitrile-based electrolyte in organic secondary battery.
Abstract Acetonitrile (AN) is a compelling electrolyte solvent for high-voltage and fast-charging batteries, but its reductive instability makes it incompatible with lithium metal anodes (LMAs). He...
Compared to the commercially used state-of-the art non-aqueous organic carbonate solvent-based electrolytes, acetonitrile (AN)-based electrolytes have the advantage of enabling higher conductivity and lower viscosity values.
Soc. 169 120516 DOI 10.1149/1945-7111/acaad1 Water-acetonitrile (AN) hybrid electrolyte with high concentration of bis (trifluoromethanesulfonyl) imide (LiTFSI) and Lithium bis (fluorosulfonyl) imide (LiFSI) (LiTFSI-LiFSI=3:1, molar ratio) supporting salts are studied for the high potential and large capacity rechargeable dual-ion battery.
Water-acetonitrile hybrid electrolyte (WA) shows a wide electrochemical stability window of 3.1 V in 20 m aqueous electrolyte and 3.6 V in 20 m 9LiFSI-1LiTFSI in water: AN=1:3 molar ratio electrolyte.
Electrode protection additives for acetonitrile (AN)-containing electrolytes play an important role for the usability of such electrolytes since it is decomposed reductively and electrochemically on the negative electrode of lithium-ion batteries.