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Preparation and Performance of Na2SO4·10H2O-Na2HPO4·12H2O Eutectic Hydrated Salt Phase Change Nanofluids Modified by Nano-SiC
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Zengbao SUN, Xin LIU, Shengnian TIE
Journal of the Chinese Ceramic Society | 2023, 51(10) : 2644 - 2652
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Journal of the Chinese Ceramic Society | 2023, 51(10): 2644-2652
• Research Articles •
Preparation and Performance of Na2SO4·10H2O-Na2HPO4·12H2O Eutectic Hydrated Salt Phase Change Nanofluids Modified by Nano-SiC
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Zengbao SUN, Xin LIU, Shengnian TIE
Affiliations
  • New Energy Photovoltaic Industry Research Institute, Qinghai University, Xining 810016, China

    • SUN Zengbao (1999-), male, Master candidate. E-mail:

About Author:

SUN Zengbao (1999-), male, Master candidate. E-mail:

Published: 2023-07-28 doi: 10.14062/j.issn.0454-5648.20230197
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It is important to enhance their performance of supercooling and low thermal conductivity in hydrate salt phase change materials. A hydrophilic silicon carbide (nano-SiC) was prepared via treating SiC nanoparticles in HF/HNO3 with Na2SO4·10H2O-Na2HPO4·12H2O eutectic hydrated salt as basic materials, and the phase change nanofluids materials (nano-SiC EHS PCMs) with Na2SiO3·9H2O and nano-SiC were composited. The results show that the modified nano-SiC can be dispersed in EHS PCMs. The synergistic effect of Na2SiO3·9H2O and nano-SiC can reduce the supercooling degree to 0.3 ℃ without the phase separation. The thermal conductivity of nano-SiC EHS PCMs enhances both in solid and liquid. The energy storage time of EHS PCMS with 0.2% (in mass) nano-SiC is decreased by 21.8%. The enthalpy of melting and crystallization of EHS PCMs with 0.15% nano-SiC is 267.3 J/g and 231.4 J/g, respectively. The enthalpy of nano-SiC EHS PCMs is stable after 1 000 heating and cooling cycles, indicating that nano-SiC EHS PCMs have a great thermal cyclic stability.

nano silicon carbide  /  surface modified  /  eutectic hydrated salt  /  phase change nanofluids
孙增宝, 柳馨, 铁生年. 纳米SiC改性Na2SO4·10H2O-Na2HPO4·12H2O共晶盐纳米相变流体制备及其性能影响. 硅酸盐学报, 2023 , 51 (10) : 2644 -2652 . DOI: 10.14062/j.issn.0454-5648.20230197
Zengbao SUN, Xin LIU, Shengnian TIE. Preparation and Performance of Na2SO4·10H2O-Na2HPO4·12H2O Eutectic Hydrated Salt Phase Change Nanofluids Modified by Nano-SiC[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (10) : 2644 -2652 . DOI: 10.14062/j.issn.0454-5648.20230197
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Year 2023 volume 51 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20230197
  • Receive Date：2023-03-29
  • Online Date：2026-10-19
  • Published：2023-07-28
Article Data
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History
  • Received：2023-03-29
  • Revised：2023-04-10
Funding
Affiliations
    New Energy Photovoltaic Industry Research Institute, Qinghai University, Xining 810016, China

Corresponding:

TIE Shengnian (1965-) male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
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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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