Patent ID: 8329326

Claim:
An electrochemical device, comprising: a plate-shaped substrate having: first and second terminal pads provided on one side of the plate-shaped substrate, and third and fourth terminal pads provided on the other side of the plate-shaped substrate; a first laminated electrochemical cell that is fixed to the one side of the plate-shaped substrate, the first laminated electrochemical cell having first and second foil electrode terminals; and a second laminated electrochemical cell that is fixed to the other side of the plate-shaped substrate, the second laminated electrochemical cell having third and fourth foil electrode terminals, wherein the first foil electrode terminal is electrically connected to the first terminal pad, the second foil electrode terminal is electrically connected to the second terminal pad, the third foil electrode terminal is electrically connected to the third terminal pad, the fourth foil electrode terminal is electrically connected to the fourth terminal pad, and the plate-shaped substrate is comprised of an insulator.