4.6 Article

Thermal properties of heat storage composites containing multiwalled carbon nanotubes

期刊

JOURNAL OF APPLIED PHYSICS
卷 104, 期 11, 页码 -

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AMER INST PHYSICS
DOI: 10.1063/1.3041495

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资金

  1. National Science Foundation of China [50876058]
  2. Shanghai Educational Development Foundation
  3. Shanghai Municipal Education Commission [07SG56]
  4. Innovation Program of Shanghai Municipal Education Commission [08ZZ99]

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Thermal performance enhanced heat storage nanocomposites consisting of palmitic acid (PA) and multiwalled carbon nanotubes (CNTs) were prepared by dispersing chemically treated CNTs into melting PA. The PA/CNT composites remain stable after repeating energy storage and release 80 times. The melting point and latent heat capacity decrease with an increase in the mass fraction of CNTs. PA/CNT composites have enhanced thermal conductivities compared to pure PA, with the enhancement ratios increasing with the mass fraction of CNTs. For PA/CNT composite containing CNTs with a mass fraction of 5.0%, the thermal conductivity enhancement ratios amount up to 36% and 56% in solid and liquid states, respectively. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3041495]

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