The non-aqueous electrolyte battery is excellent in high-temperature storage characteristics and load characteristics at low temperature. A non-aqueous electrolyte battery of the present invention includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. The negative electrode includes a lithium layer, a lithium-aluminum alloy layer formed on a surface of the lithium layer, and a carbon layer on the lithium-aluminum alloy layer. The non-aqueous electrolyte battery of the present invention can be manufactured by a method for manufacturing a non-aqueous electrolyte battery that includes providing an aluminum layer on the surface of the lithium layer to obtain a laminate, forming the carbon layer on a surface of the aluminum layer to obtain a laminate for a negative electrode, and causing the lithium layer and the aluminum layer of the laminate for a negative electrode to react with each other to form the lithium-aluminum alloy layer.

The non-aqueous electrolyte battery is excellent in high-temperature storage characteristics and load characteristics at low temperature. A non-aqueous electrolyte battery of the present invention includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. The negative electrode includes a lithium layer, a lithium-aluminum alloy layer formed on a surface of the lithium layer, and a carbon layer on the lithium-aluminum alloy layer. The non-aqueous electrolyte battery of the present invention can be manufactured by a method for manufacturing a non-aqueous electrolyte battery that includes providing an aluminum layer on the surface of the lithium layer to obtain a laminate, forming the carbon layer on a surface of the aluminum layer to obtain a laminate for a negative electrode, and causing the lithium layer and the aluminum layer of the laminate for a negative electrode to react with each other to form the lithium-aluminum alloy layer.

Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer.

Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer.

An electrolytic solution containing: a compound (1) represented by the following formula (1):

##STR00001##

wherein R.sup.101 is a C2-C7 organic group and optionally includes at least one selected from the group consisting of a hetero atom and an unsaturated bond; and R.sup.102 is a C1-C3 organic group and optionally includes at least one selected from the group consisting of a hetero atom and an unsaturated bond.

A non-aqueous electrolyte battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolytic solution. The positive electrode, the separator, and the negative electrode are spirally wound. The positive electrode includes a positive electrode active material and an expanded metal. The positive electrode has a thickness larger than or equal to 0.8 mm and smaller than or equal to 3 mm. A thickness T of the expanded metal satisfies 0.15 mm≤T≤0.3 mm. A center-to-center distance SW of the expanded metal in a shorter direction in mesh and a center-to-center distance LW of the expanded metal in a longer direction in mesh satisfy 6 mm.sup.2≤LW.Math.SW≤20 mm.sup.2. A feed width W of the expanded metal satisfies 0.15 mm≤W≤0.3 mm.

A non-aqueous electrolyte battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolytic solution. The positive electrode, the separator, and the negative electrode are spirally wound. The positive electrode includes a positive electrode active material and an expanded metal. The positive electrode has a thickness larger than or equal to 0.8 mm and smaller than or equal to 3 mm. A thickness T of the expanded metal satisfies 0.15 mm≤T≤0.3 mm. A center-to-center distance SW of the expanded metal in a shorter direction in mesh and a center-to-center distance LW of the expanded metal in a longer direction in mesh satisfy 6 mm.sup.2≤LW.Math.SW≤20 mm.sup.2. A feed width W of the expanded metal satisfies 0.15 mm≤W≤0.3 mm.

A gel polymer electrolyte composition includes i) a compound acting as a monomer for forming gel polymer by polymerization and having at least two double bonds at an end thereof; ii) an electrolyte solvent containing carbonate and linear saturated ester; iii) an electrolyte salt; and iv) a polymerization initiator. A gel polymer electrolyte formed using the above composition has excellent mechanical strength and lithium ion conductivity. A secondary battery containing the gel polymer electrolyte has improved room/low temperature characteristics and rate capacity.

An electrolyte for a lithium battery, a lithium battery including the electrolyte, and a method of preparing the electrolyte for a lithium battery. The electrolyte for a lithium battery includes a non-aqueous organic solvent; and about 0.1 wt % to about 1 wt % of lithium nitrate (LiNO.sub.3) based on a total weight of the non-aqueous organic solvent. By using the electrolyte for a lithium battery, lifespan cycle properties of the lithium battery may be improved.

A battery is composed of a positive electrode in which a positive electrode active material layer including a positive electrode active material is formed on a positive electrode collector, a negative electrode in which a negative electrode active material layer including a negative electrode active material is formed on a negative electrode collector, a separator provided between the positive electrode and the negative electrode, and an electrolyte impregnated in the separator. The battery further includes at least one of a heteropoly acid and a heteropoly acid compound as an additive at least in one of the positive electrode, the negative electrode, the separator, and the electrolyte.