Provided is an inexpensive and high-performance dye compound that does not use an expensive precious metal and does not require the use of a strong electron-withdrawing group. The compound is formed such that a boron substituent is introduced into a hetero...

The present invention provides an electrolyte for electrochemical device and the electrochemical device thereof. The electrolyte comprises 9.95ˆ¼19.95wt% of a salt; 80.0ˆ¼90.0wt% of a non-aqueous solvent; 0.05ˆ¼10.00wt% of an additive comprising a co...