| abstract |
PROBLEM TO BE SOLVED: To provide a small-sized, lightweight, high-capacity, high-energy-density battery for portable equipment with high safety. SOLUTION: In a battery for a portable device including a battery element composed of a unit battery element having a positive electrode, a negative electrode and an electrolyte layer, the electrolyte layer is a spacer made of a porous membrane as a support, and a crosslinkable polymer is formed on the spacer. A battery for a portable device characterized by being impregnated with an electrolyte containing the same. |