Batteries: thermoelectric and photoelectric – Thermoelectric – Electric power generator
Patent
1988-10-05
1990-07-03
Nelson, Peter A.
Batteries: thermoelectric and photoelectric
Thermoelectric
Electric power generator
136225, 136232, 136239, 136240, 136241, H01L 3528
Patent
active
049382446
ABSTRACT:
A temperature difference detecting element utilizing thermoelectromotive force which is generated by a Seebeck effect when temperature gradients are applied to a semiconductive ceramic material. A substrate has a plurality of thermoelements. Each thermoelement comprises a semiconductive ceramic material and a pair of hot-side and cold-side electrodes which are provided on the semiconductive ceramic material with a prescribed spacing, to form a hot junction and a cold junction respectively. A plurality of such hot-side electrodes are arranged on a first region of the substrate to be adjacent to each other, while a plurality of such cold-side electrodes are arranged on a second region of the substrate to be adjacent to each other. The plurality of thermoelements are sequentially connected in series with each other by electrically connecting, for example, the hot-side electrodes of the thermoelements with the cold-side electrodes of those adjacent thereto. A slit or an electrical insulating material part may be provided between each adjacent pair of electrodes, that is, between each pair of hot-side electrodes and each pair of cold-side electrodes, to increase the electrical resistance therebetween and thereby to increase the output voltage of the element as a whole.
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Kumada Akiro
Murata Michihiro
Norimitsu Kitoh
Murata Manufacturing Co. Ltd.
Nelson Peter A.
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