Disclosed is a nonaqueous secondary battery having a nonaqueous electrolyte containing a lithium salt dissolved in an organic solvent, in which the positive electrode active material is preferably a manganese-containing, lithium transition metal oxide salt. The nonaqueous electrolyte contains at least one compound of general formula (1), preferably at least one compound of general formula (1′). The content of the compound of formula (1) or (1′) in the nonaqueous electrolyte is preferably 0.001 to 10 mass %. The symbols in formulae (1) and (1′) are as defined in the description.
揭示了一种非
水性二次电池,其非
水性电解质中含有溶解在有机溶剂中的
锂盐,其中正极活性材料最好是含
锰的
锂过渡金属氧化物盐。非
水性电解质至少包含一个一般式(1)的化合物,最好至少包含一个一般式(1′)的化合物。在非
水性电解质中,化合物的一般式(1)或(1′)的含量最好为0.001至10质量%。式(1)和(1′)中的符号如描述中所定义。