LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

摘要

Conventional all-solid-state multilayer lithium ion secondary batteries, wherein an electrode layer and an electrolyte layer are laminated, have such a problem that since the interface resistance between the electrode layer and the electrolyte layer is high, it is difficult for the batteries to have a large capacity. An electrode layer is formed by applying a paste which is obtained by mixing an active material and a solid electrolyte, and a laminate of the electrolyte layer and an electrolyte layer is integrally fired, thereby producing a battery.  Consequently, a matrix structure composed of the active material and the solid electrolyte is formed within the electrode layer, and the interface resistance between the electrode layer and the electrolyte layer is reduced, thereby obtaining a battery having a large capacity.