Reversible hydride thermal energy storage cell optimized for solar applications

a technology of solar energy storage and hydride, which is applied in the direction of machines/engines, lighting and heating apparatus, and greenhouse gas reduction, etc., can solve the problem that the energy density of the salt mixture requires significant quantities of salts, and achieves the effect of low cost and competitive electrical production facilities for both small and very large scale applications
US20110100356A1Inactive Publication Date: 2011-05-05BLIESNER WAYNE THOMAS
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
BLIESNER WAYNE THOMAS
Publication Date
2011-05-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

A solar energy collection and storage system and a method of collecting and storing solar energy. The system includes a device for focusing solar energy onto a reaction chamber for the conversion of metal hydride to liquid metal and hydrogen, a metal / metal hydride chamber containing a metal / metal hydride mixture, a hydrogen storage system using hydrides and a thermo-cline for recovering the thermal energy from the hydrogen when it is cooled from 2000 F to ambient conditions for storage.
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Description

FIELD OF INVENTIONThis invention relates to a solar energy collection and storage system and more particularly to a solar energy collection and storage system which converts solar energy into thermal energy storing the energy in the heat of formation of calcium hydride.BACKGROUNDSolar energy provides a thermal power source which can supply a significant fraction of the world energy needs. A complete system which can absorb the sunlight during the day and produce continuous electricity provides a benefit to the society. Large scale solar power production, in GWatt quantities, is the focus of this patent. A power tower concept provides a solution where a central receiver absorbs sunlight from a field of mirrors focused on the tower. The Barstow facility, Solar 1 and 2, provides an example of this type of facility. For extended operation a thermal storage medium of potassium nitrate / sodium nitrate salts allow several hours of extended run time beyond the daylight hours. These systems u...

Claims

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