Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 5, Pages 1935-1940Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta06735e
Keywords
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Funding
- National Natural Science Foundation of China [51322205, 21371014]
- National Basic Research Program of China [2009CB939902]
- New Star Program of Beijing Committee of Science and Technology [2012004]
- Ministry of Education Program for New Century Excellent Talents of China [NCET-11-0027]
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We alkylated silica aerogels to make them hydrophobic for effective impregnation and storage of a phase change material (PCM). As a result of this surface modification treatment, the aerogel scaffold exhibited an average increase of 20.9-34.7% in the PCM uptake with an improved thermal energy storage capacity and stability. For the light to thermal energy conversion experiments, we carbonized the treated aerogels and observed that they readily attained temperatures above the melting point of the PCM. Therefore, the carbonized PCM-impregnated scaffold possesses enhanced thermal energy storage and release property via a phase change response in the encapsulated PCM.
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