ALL-SOLID-STATE LITHIUM SECONDARY BATTERY

摘要

Provided is an all-solid-state lithium secondary battery having no increase in internal resistance, even after repeated charging/discharging. The all-solid-state lithium secondary battery, wherein the positive electrode and negative electrode use three-dimensional, mesh-like porous bodies as collectors, and said electrodes are configured by least an active substance being filled into the pores of the three-dimensional, mesh-like porous bodies, is characterized by: the three-dimensional, mesh-like porous body for the positive electrode being an aluminum alloy having a Young's modulus of at least 70 GPa; and the three-dimensional, mesh-like porous body for the negative electrode being a copper alloy having a Young's modulus of at least 120 GPa.