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Nuevos materiales de almacenamiento térmico basados en sales fundidas

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOSK20160204001
Publicado:
29/02/2016
Caducidad:
28/02/2017
Resumen:
Un instituto de investigación eslovaco ha desarrollado nuevos materiales de almacenamiento térmico basados en sales fundidas. Las sales fundidas de fluoruro son un excelente medio de almacenamiento térmico a alta temperatura. Las mezclas de sal fundida son mejores porque sus puntos de fusión son mucho menores que los de las sales simples. También tienen mejores propiedades en términos de presión de vapor, densidad, coeficiente de expansión térmica y viscosidad que otros medios de almacenamiento. El instituto, que ofrece mezclas de fluoruro con propiedades definidas de almacenamiento térmico, busca socios con el fin de establecer acuerdos de financiación o servicio.


Details

Tittle:
Novel thermal storage materials base on molten salts
Summary:
Established Slovak research institute has developed a novel thermal storage materials base on molten salts. Liquid fluoride salts are excellent high-temperature thermal storage media. The instutute offers fluoride mixtures with exactly given properties for thermal storage. They seek partners interested in financial agreement or services agreement.
Description:
This research institute is one of the most respected and experienced research centres in Slovakia active in the field of inorganic chemistry. It offers fluoride mixtures with exactly given properties for thermal storage.

The institute examined physical and chemical properties of molten flouride salts. Liquid fluoride salts are excellent high-temperature thermal storage media. Fluoride salt mixtures are preferred because of much lower melting points than those for single-component salts. Many other properties, such as vapour pressure, density, thermal expansion coefficient, and viscosity are more desirable opposite to so-far used storage media. Fluoride salts are thermodynamically stable at high temperatures with very high boiling points. Only their high corrosive activity makes them disadvantageous. To avoid corrosion, liquid-fluoride salts must be thermodynamically stable relative to the materials of construction; that is, the materials of construction must be chemically noble relative to the salts. This requirement is necessary because fluoride salts are agents that rapidly dissolve protective layers of a lot of construction materials based on metals, metal alloys, metal oxides, thus limiting the choice to highly thermodynamically stable fluoride salts.

Knowledge of phase equilibria and other characteristics of molten salts is essential for the calculation of the concentration within the electrochemical study of molten niobium systems, as well as the kinetics of ongoing processes. This physico-chemical analysis of fluoride melt systems is needed for the electrolytic separation of silicon for photovoltaic applications

The institute is looking for partners to cooperate with via financial agreement (the institute needs financing of the technology and offers the project to investors) or via services agreement (services connected to the use of developed technology in praxis are offered).
Advantages and Innovations:
- Completely new, innovative approach
-Liquid fluoride salts are excellent high-temperature thermal storage media
- Fluoride salt mixtures are preferred because of much lower melting points than those for single-component salts
- High thermal conductivity, specific heat and stability; non-toxic; corrosive (for steels).
Stage of Development:
Under development/lab tested
IPs:
Secret Know-how

Partner sought

Type and Role of Partner Sought:
Type of partner: no preference

Field of activity: no preference. Any type of business partner, who would like to cooperate with the institute on thermal storage issues.

Role: Financial agreement - the institute has an innovative project, needs financing and offers the project to investor
Services agreement - the centre is looking for partners for services agreement, who are interested in services connected to above mentioned technology and its use in praxis.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
Czech
English
Slovak

Keywords

Technology Keywords:
04001001 Almacenamiento de calor
03004002 Inorganic Substances
02007010 Metals and Alloys
05001001 Química analítica
05001003 Química inorgánica