LITHIUM BORON FLUOROPHOSPHATE COMPLEX COMPOUND, COMPOSITION CONTAINING LITHIUM BORON FLUOROPHOSPHATE, LITHIUM BORON FLUOROPHOSPHATE, ADDITIVE FOR LITHIUM SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE FOR BATTERY, AND LITHIUM SECONDARY BATTERY

摘要

A lithium boron fluorophosphate complex compound including a compound A that is one selected from a group of lithium boron fluorophosphates represented by Formula (I), and a compound B that is one selected from a group of compounds represented by Formulae (II) to (IX). R₀represents a hydrocarbon group, R1to R7each independently represent a hydrogen atom or a substituent, R8, R9, R10, R11, and R13to R21each independently represent a substituent, and R12, R22, and R23each independently represent a divalent linking group.