首页> 美国政府科技报告 >Development of Ammoniated Salts Thermochemical Energy-Storage Systems. Phase I Initial Assessments. Progress Report, March-September 1976. Final Report
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Development of Ammoniated Salts Thermochemical Energy-Storage Systems. Phase I Initial Assessments. Progress Report, March-September 1976. Final Report

机译:氨化盐热化学储能系统的开发。第一阶段初步评估。进展报告,1976年3月至9月。最终报告

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This program is developing an energy storage system that accepts thermal energy at high temperatures, stores it at near ambient temperature, and recovers the energy on demand at a temperature near the original high temperature. The energy is stored as both sensible heat and chemical energy. The system is completely passive, having no moving parts, and can be used over a wide range of source temperatures. The concept consists of the storage and subsequent abstraction of heats of reaction from a pair of ammoniated chemical systems near equilibrium. By shifting the equilibrium in the forward or reverse direction, the heat of reaction is stored and recovered as desired. This energy storage system could have a role in providing peaking energy to a peaking turbine, for residential energy storage and to store and recover waste heat from an industrial complex. The end objective of the work was to demonstrate the concept's applicability to power plant thermal storage systems. Chemical kinetics data were obtained for candidate salts. A bench scale model was designed, built and tested to obtain engineering data required for design of a larger system. A 4 MW-hr subscale research experiment was planned. The results for each phase of the program are presented. It was concluded that ammoniated salt energy storage systems would be usable in electrical steam power systems for feedwater preheat and for latent heat storage. An upper temperature limitation of 700 exp 0 F for the selected ammoniated salts would preclude their use above that temperature. However, there are other salts, which have not yet been investigated, which may prove suitable for use at higher temperatures. (ERA citation 06:030493)

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