Patent ID: 6641957
Filing Date: 2003-11-04
Classification: H01M,Y02E

Abstract:
A non-aqueous electrolyte battery having a negative electrode comprising metallic lithium, a lithium alloy or a material capable of absorbing and desorbing lithium; a positive electrode; and a non-aqueous electrolyte comprising a solvent and a solute dissolved in said solvent,wherein said non-aqueous electrolyte contains at least one additive selected from the group consisting of compounds represented by the general formula (1): where X1 to X4 are independently hydrogen atoms, F, Cl, Br, I or alkyl groups having 1 to 3 carbon atoms, Y1 is a hydrogen atom, Na, K, Rb, Cs, Mg, Ca, Sr or Ba, and i is 1 or 2; compounds represented by the general formula (2): where X5 to X8 are independently hydrogen atoms, F, Cl, Br, I or alkyl groups having 1 to 3 carbon atoms, Y2 is a hydrogen atom, Na, K, Rb, Cs, Mg, Ca, Sr or Ba, and j is 1 or 2; and compounds represented by the general formula (3): where Y3 is a hydrogen atom, Na, K, Rb, Cs, Mg, Ca, Sr or Ba, and k is 1 or 2.