Secondary battery cell and power-consuming device

Abstract

Secondary battery cell comprising: a housing; an electrode assembly and an electrolyte housed in the housing; wherein the electrode assembly comprises a positive electrode plate, a negative electrode plate and a separator film, the separator film being located between the positive electrode plate and the negative electrode plate, the negative electrode plate comprising a negative electrode current collector and a negative electrode film layer arranged on at least one side of the negative electrode current collector, the negative electrode film layer comprising a negative electrode active material comprising graphite, the graphite having a powder orientation index (powder OI) of 10 to 25; wherein the electrolyte comprises an organic solvent comprising a linear carbonate and a cyclic carbonate, with a mass ratio of the linear carbonate to the cyclic carbonate of 1.5 to 2.