BATTERY, ELECTROLYTE LAYER, BATTERY PACK, ELECTRONIC APPARATUS, ELECTRIC VEHICLE, POWER STORAGE DEVICE, AND POWER SYSTEM

摘要

A gel electrolyte layer is provided between a positive electrode and a second electrode. The gel electrolyte layer is a layer containing particles, a resin material, and a polymer compound for retaining the resin material, and having a heat capacity per unit area of 0.0001 J/Kcm 2 or more and a heat capacity per unit volume of 3.0 J/Kcm 3 or less.