Liquid metal thermoelectric converter (LMTEC) for solar applications
Conference
·
OSTI ID:5792345
An overview is given of the research and development plan for the Liquid Metal Thermoelectric Converter (LMTEC) being undertaken by Sandia Laboratories under the Solar Thermal Technologies program of DOE. Sandia initiated work in this area less than a year ago and has pursued the work as a specific subtask starting in FY 1985. As with any new project, a significant part of the initial effort has been spent on reviewing the current technology in thermo-electric converters including Thermally Regenerative Electrochemical Systems (TRES), fuel cells, thermionic devices, magnetohydrodynamics, and other modes of direct thermal-to-electric conversion. Consequently, no formal research results are included in this paper and the presentation is intended more to indicate those areas in which further research and development efforts could be expended to prove of positive impact on the solar application of LMTEC. The principal objective of this task is to design, engineer, and develop a LMTEC suitable for use in solar distributed receiver applications. Since the thermal requirements for the LMTEC are in the temperature range of parabolic dishes, the engineering development effort will concentrate on a device that can be mounted at the focal point of a dish and preferably incorporated into the receiver. Due to a technology review, the LMTEC most likely will be based on the current Sodium Heat Engine (SHE) concept. Our main effort will consist of optimizing the concept for solar applications and conducting the necessary engineering development to produce a 20 to 50 kWe device.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5792345
- Report Number(s):
- SAND-84-0627C; CONF-850252-3; ON: DE85008405
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140505* -- Solar Energy Conversion-- Photochemical
Photobiological
& Thermochemical Conversion-- (1980-)
30 DIRECT ENERGY CONVERSION
300300 -- Thermoelectric Generators
ALKALI METALS
CONCENTRATING COLLECTORS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRODES
ELEMENTS
EQUIPMENT
FLUIDS
LIQUID METALS
LIQUIDS
METALS
NESDPS Office of Nuclear Energy Space and Defense Power Systems
PARABOLIC COLLECTORS
PARABOLIC DISH COLLECTORS
SODIUM
SOLAR COLLECTORS
SOLAR EQUIPMENT
THERMOELECTRIC GENERATORS
140505* -- Solar Energy Conversion-- Photochemical
Photobiological
& Thermochemical Conversion-- (1980-)
30 DIRECT ENERGY CONVERSION
300300 -- Thermoelectric Generators
ALKALI METALS
CONCENTRATING COLLECTORS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRODES
ELEMENTS
EQUIPMENT
FLUIDS
LIQUID METALS
LIQUIDS
METALS
NESDPS Office of Nuclear Energy Space and Defense Power Systems
PARABOLIC COLLECTORS
PARABOLIC DISH COLLECTORS
SODIUM
SOLAR COLLECTORS
SOLAR EQUIPMENT
THERMOELECTRIC GENERATORS