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Title: Encapsulation of high temperature molten salts

The present disclosure relates to a method of encapsulating microcapsules containing relatively high temperature phase change materials and the microcapsules so produced. The microcapsules are coated with an inorganic binder, film former and an inorganic filler. The microcapsules may include a sacrificial layer that is disposed between the particle and the coating. The microcapsules may also include an inner coating layer, sacrificial layer and outer coating layer. The microcapsules are particularly useful for thermal energy storage in connection with, e.g., heat collected from concentrating solar collectors.
Inventors:
;
Issue Date:
OSTI Identifier:
1357549
Assignee:
SOUTHWEST RESEARCH INSTITUTE CHO
Patent Number(s):
9,650,556
Application Number:
13/749,446
Contract Number:
FOA-0000104
Resource Relation:
Patent File Date: 2013 Jan 24
Research Org:
SOUTHWEST RESEARCH INSTITUTE, San Antonio, TX (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE

Other works cited in this record:

Phase change material heat exchanger
patent, August 1980

Method for preparing encapsulated phase change materials
patent, March 1985

High-temperature direct-contact thermal energy storage using phase-change media
patent, April 1985

Encapsulated phase change thermal energy storage materials and process
patent, April 1985

Hollow microspheres made from dispersed particle compositions and their production
patent, October 1988

Method for producing ceramic/metal heat storage media, and to the product thereof
patent, October 1989

Microencapsulated phase change material slurry heat sinks
patent, April 1991

High-temperature heat storage system
patent, May 1993

Phase change material blend, method for making, and devices using same
patent, November 2003

Method of encapsulating a phase change material with a metal oxide
patent, November 2016

Composition and Method For Making a Proppant
patent-application, June 2008

Thermal Storage System
patent-application, September 2010

Thermal energy storage system comprising encapsulated phase change material
patent-application, January 2012

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