NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

The herein disclosed nonaqueous electrolyte secondary battery includes an electrode assembly in which a positive electrode including positive electrode active layers, a negative electrode including negative electrode active layers, and a separator are provided. The negative electrode active material layer includes a first area between an end side and a position 5 mm away from the end side in the width direction. An end part of the positive electrode is opposed to at least a part of the first area. A thickness T at a central part of the positive electrode and a thickness T at the end part of the positive electrode satisfy 0.95