Recent advances in pyroelectrics have provided ma- terials that may be useful in the direct conversion of heat into electrical energy in space systems. these materials will be manufactured at low cost and will provide an ultralight-weight means of generating electricity (and radiatively dumping… More

Recent advances in pyroelectrics have provided materials which may be useful in the direct conversion of heat into electrical energy in space systems. these materials will bemanufactured at low cost and provide a lightweight means of generating electrical power and radiatively dumping reject heat.… More

Pyroelectric polymers will be used in the direct conversion of heat into electrical energy in space systems. these materials will be manufactured at low-cost and provide an ultra-lightweight means of generating electrical power. pyroelectrics will also be used in safe heat pumps and refrigerators.… More

The recent discovery of high temperature metal oxide superconductors suggests that yet another new class of superconducting materials may be found. the new category of materials will be inexpensive to manufacture and easily formed into wires and bands. these materials will be mechanically tough and… More

Based on the successful discovery of high temperature perovskite superconductors, a new class of superconducting materials is hypothesized. the new class will be mechanically tough and may have high critical temperatures. the new material will be inexpensive to manufacture and easily formed into… More

The pyroelectric onverter is a form of heat engine that transforms heat energy directly into electrical energy. thepyroelectric converter has the potential for low operating and maintenance requirements. high reliability and lifetimeare attainable for this device because the pyroelectric converter… More

Two technologies which are essential for the exploration andcommercialization of space are power generation and propulsion. the lowest mass and lowest cost method for generating electrical power in space will likely be pyroelectric conversion. this mode of electrical generation will dominate for two… More

An advanced refrigerator/heat pump (r/hp) will be developed based on the electrocaloric effect. the project is a spinoff of research on pyroelectric energy generation sponsored by the national aeronautics and space administration and doe. the electrocaloric system will be smaller and lighter than… More

One of the major challenges facing high temperature superconductors isthe making of non-brittle materials. based on the successful discovery of high temperature perovskite superconductors, a new class of superconducting materials is being investigated that is anticipated tobe mechanically tough,… More

Thermal energy can be used to drive a new type of electrical power supply. in a one-shot, destructive heating mode, the amount of electrical power release will be more than 45 megawatt/kg of pyroelectric sheet. multiple-shot devices are possible with some reduction in this power density. the… More

Radiation tolerant, high operating temperature electronic devices are needed for future space power systems. High energy density capacitors are one of the key elements in most power systems. Improvement of current dielectric capacitors can be realized by incorporating new state of the art polymers… More