Patent ID: 8188360

Claim:
A thermoelectric conversion device, comprising: a cold terminal substrate; a hot terminal substrate; and a stacked structure disposed between the cold terminal substrate and the hot terminal substrate, the stacked structure comprising a plurality of thermoelectric conversion layers, each of the thermoelectric conversion layers comprising: a thermoelectric couple layer disposed in the thermoelectric conversion layer , the thermoelectric couple layer comprising a plurality of thermoelectric couples, each of the thermoelectric couples comprising a P type thermoelectric conversion element and an N type thermoelectric conversion element; a first conductive material layer comprising a plurality of first conductive materials, each of the first conductive materials being electrically connected to a top of the P type thermoelectric conversion element and a top of the N type thermoelectric conversion element of the thermoelectric couple; a second conductive material layer comprising a plurality of second conductive materials, each of the second conductive materials being electrically connected to a bottom of the P type thermoelectric conversion element and a bottom of the N type thermoelectric conversion element of the thermoelectric couple, and every two of the thermoelectric couples are connected in a serial manner; a first heat-conductive and electrically insulating structure connected between adjacent said first conductive material layers and directly connected to the hot terminal substrate, the first heat-conductive and electrically insulating structure comprising: a plurality of first horizontal structures, comprising a plurality of first horizontal rods connected to each other, wherein the first horizontal connecting structures do not contact the second conductive material layer but horizontally contact the first conductive material layer; and a plurality of first vertical connecting structures, comprising a plurality of first props connected vertically between the first horizontal, rods wherein the first vertical connecting structures are vertically and respectively arranged in a geometrical shapes structure; and a second heat-conductive and electrically insulating structure connected between adjacent said second conductive material layers and directly connected to the cold terminal substrate, the second heat-conductive and electrically insulating structure comprising: a plurality of second horizontal connecting structures, comprising a plurality of second horizontal rods connected to each other, wherein the second horizontal connecting structures do not contact the first conductive material layer but horizontally contact the second conductive material layer; and a plurality of second vertical connecting structures, comprising a plurality of second props, and the second props vertically connected between the second horizontal rods.