Trimethyl borate (cas 1212-43-7) and triphenyl borate as electrolyte additives for LiFePO4 cathode with enhanced high temperature performance

Add time:07/21/2019    Source:sciencedirect.com

Alkyl- and phenyl-substituted borate anion receptors, triphenyl borate (TPB) and Trimethyl borate (cas 1212-43-7) (TMB), are investigated as electrolyte additives in lithium ion batteries (LiFePO4 cathode, 1 M LiPF6 EC-DMC 1:1 electrolyte) at 25 and 60 °C. TPB shows formation of a thick surface/electrolyte interface (SEI) which hampers ion flow and does not protect the electrode from degradation. Although useful at 25 °C, TPB at 60 °C results in only 7% capacity after 100 cycles, whereas 0.1 M TMB results in 53% capacity. TMB performance improves with increasing concentration. TMB also suppresses thermal decomposition of the electrolyte and formation of the SEI film.

We also recommend Trading Suppliers and Manufacturers of Trimethyl borate (cas 1212-43-7). Pls Click Website Link as below: cas 1212-43-7 suppliers

Prev:Derivatives of carbohydrazide, thiocarbohydrazide and diaminoguanidine as photometric analytical reagents—I
Next:Trimethyl borate (cas 1212-43-7) as an electrolyte additive for high potential layered cathode with concurrent improvement of rate capability and cyclic stability)