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Stable salt hydrate-based thermal energy storage materials

Patent ·
OSTI ID:1987056
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A phase change material composition for latent heat storage is provided. In one embodiment, the phase change material includes a salt hydrate having a melting temperature (Tm) of from 1° C. to 100° C. as determined in accordance with ASTM E793. The phase change material further includes a stabilizing matrix including a polysaccharide selected from the group of a nanocellulose, a sulfonated polysaccharide, a starch, a glycogen, a chitin, and combinations thereof. A composite article including the phase change material composition is also provided.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle LLC (Oak Ridge, TN)
Patent Number(s):
11,560,503
Application Number:
17/229,035
OSTI ID:
1987056
Country of Publication:
United States
Language:
English

References (6)

Effect of micro- and nanofibrillated cellulose on the phase stability of sodium sulfate decahydrate based phase change material journal March 2020
Sodium acetate trihydrate-chitin nanowhisker nanocomposites with enhanced phase change performance for thermal energy storage journal May 2018
Inorganic Salt Hydrate for Thermal Energy Storage journal December 2017
Thermal performance of sodium acetate trihydrate thickened with different materials as phase change energy storage material journal September 2003
Printable acid-modified corn starch as non-toxic, disposable hydrogel-polymer electrolyte in supercapacitors journal June 2019
Cellulose nanomaterials review: structure, properties and nanocomposites journal January 2011

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