Figure 13.

Selected examples on using anion acceptors in LIBs. a) Chemical structure of boronate‐based anion receptors. b) Conductivity summary of three salts with the addition of different additives. Reproduced with permission.^{[ 98 ]} Copyright 2004, The Electrochemical Society, Inc. c) Cycle performance with different anion receptor additive adding. d) The corresponding EIS plots of (c). Reproduced with permission.^{[ 94 ]} Copyright 2010, American Chemical Society. e) Scheme of the functioning mechanism of TPFPB: (left) Thick passivation layer formation in baseline electrolyte; (right) significantly reduced passivation layer formation in TPFPB added electrolyte. Reproduced with permission.^{[ 95 ]} Copyright 2014, Elsevier B.V. f) Schematic diagram of the cathode and electrolyte interphase with and without the additive. For simplicity, only Mn cations are shown on the cathode surface. Reproduced with permission.^{[ 97 ]} Copyright 2017, American Chemical Society. g) Schematic illustration of the structural changes of Li metal anodes and property of electrolyte: (up) without TTFEB; (down) with TTFEB. Reproduced with permission.^{[ 99 ]} Copyright 2018, Elsevier B.V.