| abstract |
An object of the present invention is to provide a nonaqueous electrolyte secondary battery having excellent cycle characteristics. The non-aqueous electrolyte secondary battery (10) of the present invention includes a positive electrode plate (11), a negative electrode plate (12), a separator (13), and a non-aqueous electrolyte, It is a mixture of a graphite material and silicon or a silicon compound, and the separator (13) is a polyolefin microporous film comprising polyethylene as an essential component and comprising a laminated film of at least two layers, and at least a negative electrode plate (12) The surface layer on the opposite side contains inorganic particles. |