NOVELTY - A negative electrode for non-aqueous electrolyte battery comprises negative electrode active material layer (2) formed on negative electrode current collector (1), where the material layer contains negative electrode active material and water-based binder for the active material layer. A porous layer (3) containing inorganic particles and non-water based binder for porous layer is formed on surface of active material layer. The binder for the active material layer contains carboxymethyl cellulose whose degree of etherification is greater than or equal to 0.5 to less than or equal to 0.75 (preferably greater than or equal to 0.65 to less than or equal to 0.75).    USE - As a negative electrode for a non-aqueous electrolyte battery (claimed) such as lithium-ion batteries and polymer batteries used as power source in mobile phones, notebook computers, personal digital assistants and other mobile information devices; in high power applications that require battery to operate continuously at higher temperatures, including hybrid electric vehicles and electric tools.    ADVANTAGE - The negative electrode achieves the effect of ensuring electron conductivity between the negative electrode active material and the negative electrode current collector by preventing the adhesion strength of the negative electrode current collector and the negative electrode active material from decreasing, even if a porous layer is formed on the surface of the negative electrode. The battery design improves the adhesion strength of the negative electrode to achieve higher levels of reliability. The porous layer prevents the short-circuits between the positive and negative electrodes thereby improving the safety; improves battery performance such as cycle characteristics by enhancing the permeability of electrolyte solution across the entire surface of the negative electrode thereby equalizing the reaction; and when cobalt ions or manganese ions are eluted from positive electrode active material as a result of deep-charging at high temperature, the porous layer traps these ions and thereby enhance the cycle characteristics at higher temperatures.    DETAILED DESCRIPTION - A negative electrode for a non-aqueous electrolyte battery comprises a negative electrode active material layer (2) formed on a negative electrode current collector (1), where the negative electrode active material layer contains a negative electrode active material and a water-based binder for the negative electrode active material layer, where a porous layer (3) containing an inorganic particle and a non-water based binder for the porous layer is formed on a surface of the negative electrode active material layer. The binder for the negative electrode active material layer contains carboxymethyl cellulose whose degree of etherification is greater than or equal to 0.5 to less than or equal to 0.75 (preferably greater than or equal to 0.65 to less than or equal to 0.75). A binder for giving flexibility to the negative electrode active material layer is contained as an additional binder for the negative electrode active material layer. In the electrode, N-methyl-2-pyrrolidone is used as a solvent for mixing the inorganic particle with the binder for the porous layer. In the electrode, titania with the rutile structure and/or alumina is used as the inorganic particle. An INDEPENDENT CLAIM is included for a non-aqueous electrolyte battery comprising: the negative electrode; a positive electrode having a positive electrode active material layer formed on a surface of a positive electrode current collector; a separator disposed between the positive and negative electrodes; and a non-aqueous electrolyte.    DESCRIPTION OF DRAWING(S) - The figure shows cross-sectional view of negative electrode.    Negative electrode current collector (1)    Negative electrode active material layer (2)    Porous layer (3)