Batteries: thermoelectric and photoelectric – Thermoelectric – Radiation pyrometer
Patent
1978-03-23
1980-07-22
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Thermoelectric
Radiation pyrometer
290 1R, 361280, 361282, 310308, 310309, 250211R, 250212, 250336, H01L 3104
Patent
active
042137977
ABSTRACT:
Radiant energy is converted into electric energy by irradiating a capacitor including an ionic dielectric. The dielectric is a sintered crystal superionic conductor, e.g., lanthanum trifluoride, lanthanum trichloride, or silver bromide, so that a multiplicity of crystallites exist between electrodes of the capacitor. The radiant energy cyclically irradiates the dielectric so that the dielectric exhibits a cyclic photocapacitive like effect. Adjacent crystallites have abutting surfaces that enable the crystallites to effectively form a multiplicity of series capacitor elements between the electrodes. Each of the capacitor elements has a dipole layer only on or near its surface. The capacitor is initially charged to a voltage just below the dielectric breakdown voltage by connecting it across a DC source causing a current to flow through a charging resistor to the dielectric. The device can be utilized as a radiant energy detector or as a solar energy cell.
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