NOVELTY - A non-aqueous electrolyte battery (1) comprises a positive electrode, a negative electrode comprising a negative electrode current collector and a negative electrode material layer formed on the negative electrode current collector, the negative electrode material layer comprising a negative electrode active material capable of absorbing and releasing lithium at a potential of 0.78 V (vs. lithium/lithium ion (Li/Li +)) or more, and a non-aqueous electrolyte, a film comprising a compound having a propylene glycol backbone (I) that formed on a part of a surface of the negative electrode material layer.    USE - Non-aqueous electrolyte battery for use as a large size power storage device for an electric vehicle, hybrid electric vehicle, or a stationary power generation system such as a solar power generation system, energy issues, environmental issues, cell phone, and laptop computer.    ADVANTAGE - The battery has excellent cycle stability, better charge and discharge ability, improved durability, better safety, low initial increase of resistance, and improved long term reliability.    DETAILED DESCRIPTION - A non-aqueous electrolyte battery comprises a positive electrode, a negative electrode comprising a negative electrode current collector and a negative electrode material layer formed on the negative electrode current collector, the negative electrode material layer comprising a negative electrode active material capable of absorbing and releasing lithium at a potential of 0.78 V (vs. lithium/lithium ion (Li/Li +)) or more and a non-aqueous electrolyte, a film comprising a compound having a propylene glycol backbone of formula (I) that formed on a part of a surface of the negative electrode material layer, where the concentration of the compound having the propylene glycol backbone in the film is 2-40 mu mol per g of a weight of the negative electrode material layer. An INDEPENDENT CLAIM is also included for a method for producing non-aqueous electrolyte battery, which involves preparing an electrode group comprising a negative electrode comprising a negative electrode current collector and a negative electrode material layer formed on the negative electrode current collector, and the negative electrode material layer comprising a negative electrode active material capable of absorbing and releasing lithium at a potential of 0.78 V (vs. lithium/lithium ion (Li/Li+)) or more, and preparing a non-aqueous electrolyte comprising a non-aqueous solvent comprising 5-50 vol.% propylene carbonate, and an electrolyte comprising 70 mol.% or more lithium hexafluorophosphate and dissolved in the non-aqueous solvent, housing the electrode group and the non-aqueous electrolyte in a case to produce a battery unit, subjecting the battery unit to initial charging and discharging, charging the battery unit to adjust a state of charge to 20-80% and storing the battery unit in the atmosphere at a temperature of 50-80 degrees C.    DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of a non-aqueous electrolyte battery.    Non-aqueous electrolyte battery (1)    Case (2)    Electrode group (3)    Positive electrode terminal (7)    Negative electrode terminal (8)