Patent ID: 6352793
Filing Date: 2002-03-05
Classification: H01M,Y02E,Y02P,Y02T

Abstract:
A lithium secondary battery comprising:a battery case; and an internal electrode body contained in the battery case and including a positive electrode, a negative electrode, and a separator made of porous polymer, the positive electrode and the negative electrode being wound or laminated through the separator so that the positive electrode and the negative electrode are not brought into direct contact with each other; wherein said battery case is composed of pure aluminum or aluminum alloy containing one or more components selected from manganese, magnesium, silicon and copper, and wherein a relationship of C/(wÂ·c)&lE;0.03 is established where current capacity is C (Ah), battery weight is w (kg), and specific heat of the battery is c (W/kgÂ·Â° C.).