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Preparation and Thermal Properties of Na2SO4·10H2O/Na2HPO4·12H2O Composite Phase Transition Materials Supported by Porous Carbon Sponge
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Liang WANG1, Chang'an WANG1, 2, Xin LIU1, Shengnian TIE1
Journal of the Chinese Ceramic Society | 2022, 50(6) : 1634 - 1641
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Journal of the Chinese Ceramic Society | 2022, 50(6): 1634-1641
• Research Articles •
Preparation and Thermal Properties of Na2SO4·10H2O/Na2HPO4·12H2O Composite Phase Transition Materials Supported by Porous Carbon Sponge
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Liang WANG1, Chang'an WANG1, 2, Xin LIU1, Shengnian TIE1
Affiliations
  • 1.New Energy Photovoltaic Industry Research Institute, Qinghai University, Xining 810016, China
  • 2.School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

    • WANG Liang (1998-), male, Master candidate. E-mail:

About Author:

WANG Liang (1998-), male, Master candidate. E-mail:

Published: 2022-06-20 doi: 10.14062/j.issn.0454-5648.20211140
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Carbon sponge can be used as a carrier for phase-change materials due to its advantages of low density, large pore volume, and high thermal conductivity. A carbon sponge with certain graphitization characteristics and a porosity of 96.30% was synthesized as a carrier with absorbent cotton and MgO as raw materials, and a composite phase-change material encapsulated by a porous carbon sponge was prepared with Na2SO4·10H2O/Na2HPO4·12H2O as a phase-change medium. The results show that the adsorption amount of carbon sponges prepared at 700, 800 ℃ and 900 ℃ to the phase-change materials is 60, 75 and 102 times greater than their weights, respectively. Also, the solid-liquid phase-change cycle performance of the carbon sponge-encapsulated materials prepared at different temperatures was discussed at 5-60 ℃. After 5 000 cycles, the latent heat of the phase-change material is still > 200 J·g-1, which is reduced by 13%, and the thermal conductivity increasing rate is > 50%. The composite phase-change material encapsulated by porous carbon sponge has promising application prospects in the field of solar energy storage.

porous carbon sponge  /  encapsulation  /  sodium sulfate decahydrate  /  disodium hydrogen phosphate dodecahydrate  /  composite phase change material  /  thermal performance
王亮, 汪长安, 柳馨, 铁生年. 多孔碳海绵封装Na2SO4·10H2O/Na2HPO4·12H2O复合相变材料及其热性能. 硅酸盐学报, 2022 , 50 (6) : 1634 -1641 . DOI: 10.14062/j.issn.0454-5648.20211140
Liang WANG, Chang'an WANG, Xin LIU, Shengnian TIE. Preparation and Thermal Properties of Na2SO4·10H2O/Na2HPO4·12H2O Composite Phase Transition Materials Supported by Porous Carbon Sponge[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (6) : 1634 -1641 . DOI: 10.14062/j.issn.0454-5648.20211140
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Year 2022 volume 50 Issue 6
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Article Info
doi: 10.14062/j.issn.0454-5648.20211140
  • Receive Date：2021-12-25
  • Online Date：2026-10-22
  • Published：2022-06-20
Article Data
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History
  • Received：2021-12-25
  • Revised：2022-02-03
Funding
Affiliations
    1.New Energy Photovoltaic Industry Research Institute, Qinghai University, Xining 810016, China
    2.School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

Corresponding:

TIE Shengnian (1965-), male, Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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