| abstract |
BACKGROUND OF THE INVENTION The use of a solid state battery as a backup power source in at least one device selected from the group consisting of a computer, a laptop computer, a portable computer, a pocket computer, a workstation, a supercomputer, a computer peripheral hardware and a server is disclosed. This pre-solid battery includes a positive electrode layer having a positive electrode active material, which is an oriented polycrystal comprising a plurality of lithium transition metal oxide particles oriented in a constant direction, a solid electrolyte layer composed of a lithium ion conductive material, and a negative electrode layer having a negative electrode active material Respectively. |