The synthesis of a series of new neutral boronate compounds as anion receptors based on the idea that electron-deficient boron would complex the anion of the ion pair was reported. The anion complexation effect of these boron compounds was further enhanced by attaching electron-withdrawing groups. The conductivity enhancement of lithium salts in non-aqueous solution was superior. The boronate compounds also displayed high electrochemical stability up to 5 V.
Lee, H. S., Yang, X. Q., Sun, X., & McBreen, J. (2001). Synthesis of a new family of fluorinated boronate compounds as anion receptors and studies of their use as additives in lithium battery electrolytes. In Journal of Power Sources (Vol. 97–98, pp. 566–569). https://doi.org/10.1016/S0378-7753(01)00535-3