LITHIUM SECONDARY BATTERY

摘要

PURPOSE:To remarkably increase long-term reliability by using a negative terminal plate formed by pressing aluminium, or an alloy mainly comprising aluminium against the surface to be in contact with a negative active material of steel. CONSTITUTION:A negative terminal plate 1 formed by pressing aluminium or an alloy mainly comprising aluminium against the surface to be in contact with a negative active material is used. Or a negative terminal plate 1 comprising a clad plate of aluminium or an alloy mainly comprising aluminium with steel is used. Or a negative terminal plate 1 formed by peeling off part of aluminium or an alloy mainly comprising aluminium of clad plate of aluminium or the alloy mainly comprising aluminium with steel to exposure part of steel in the sealing part is used.