NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, CURRENT COLLECTOR AND METHOD FOR PRODUCING SAME

Provided are a non-aqueous electrolyte secondary battery including a positive electrode having a positive electrode collector which has a resin film and a conductive layer disposed on one surface of the resin film, and a positive electrode active material layer in contact with the positive electrode collector; a negative electrode having a negative electrode collector which has a resin film and a conductive layer disposed on one surface of the resin film, and a negative electrode active material layer in contact with the negative electrode collector; and a separator disposed between the positive electrode and the negative electrode, in which the conductive layer of at least one of the positive electrode collector or the negative electrode collector has a thickness of 10 to 1,000 nm, and the conductive layer is fixed to the resin film, and a periphery of the resin film of the positive electrode collector and a periphery of the resin film of the negative electrode collector are superimposed and welded to each other, and an inside surrounded by the resin films contains a non-aqueous electrolyte; a collector suitable for the non-aqueous electrolyte secondary battery; and a method for manufacturing the non-aqueous electrolyte secondary battery and a method for manufacturing the collector.