A review of the application of carbon materials in solar thermal energy storage

Badenhorst, Heinrich

doi:10.1016/j.solener.2018.01.062

Cited by 88 publications

(40 citation statements)

References 350 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…11,13 The other important issue is the high interfacial thermal resistance between nanofiller and polymeric matrix. 1,4 Previous published studies 21,22 showed that pristine CNTs at low concentration can enhance TC when a good dispersion is reached. Nonetheless, a beneficial method for improving the epoxy-CNT interactions and thus the dispersion of CNTs is their functionalization (usually by oxidizing the surface), which can preserve the CNT pristine structure, through delocalized -bond interactions.…”

Section: Introductionmentioning

confidence: 99%

“…One of the most challenging issues in thermosets concerns the enhancement of their thermal conductivity (TC), because these materials have intrinsically insulating characteristics. It should be mentioned that improving the thermal management is crucial in the rapid evolution of modern electronics and other applications that involve a reduction of working temperature ranges . The reduction or maintenance of this temperature improves directly the efficiency, reliability and useful operation time of electronic devices.…”

Section: Introductionmentioning

confidence: 99%

“…One of the main problems to be solved in the preparation of composites is the dispersion of CNTs in the matrix which is hindered due to their high surface area and their strong tendency to agglomerate via van der Waals forces . The other important issue is the high interfacial thermal resistance between nanofiller and polymeric matrix . Previous published studies showed that pristine CNTs at low concentration can enhance TC when a good dispersion is reached.…”

Section: Introductionmentioning

confidence: 99%

“…The origin of these resistances is the large difference of the frequency modes that obstruct the phonon–phonon coupling before exchanging heat in each interface . Lattice defects and impurities should not be underestimated, since they are points at which phonons can be scattered …”

Section: Introductionmentioning

confidence: 99%

“…It should be mentioned that improving the thermal management is crucial in the rapid evolution of modern electronics and other applications that involve a reduction of working temperature ranges. 1 The reduction or maintenance of this temperature improves directly the efficiency, reliability and useful operation time of electronic devices. In the last two decades great efforts have been devoted to enhancing the TC in reinforced epoxy polymers, mostly by adding micro-and nanofillers, which is the most economical way applicable at an industrial scale.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Study of the synergistic effect of boron nitride and carbon nanotubes in the improvement of thermal conductivity of epoxy composites

Isarn

Bonnaud

Massagués

et al. 2019

Polymer International

View full text Add to dashboard Cite

The enhancement of the thermal conductivity, keeping the electrical insulation, of epoxy thermosets through the addition of pristine and oxidized carbon nanotubes (CNTs) and microplatelets of boron nitride (BN) was studied. Two different epoxy resins were selected: a cycloaliphatic (ECC) epoxy resin and a glycidylic (DGEBA) epoxy resin. The characteristics of the composites prepared were evaluated and compared in terms of thermal, thermomechanical, rheological and electrical properties. Two different dispersion methods were used in the addition of pristine and oxidized CNTs depending on the type of epoxy resin used. Slight changes in the kinetics of the curing reaction were observed in the presence of the fillers. The addition of pristine CNTs led to a greater enhancement of the mechanical properties of the ECC composite whereas the oxidized CNTs presented a greater effect in the DGEBA matrix. The addition of CNTs alone led to a marked decrease of the electrical resistivity of the composites. Nevertheless, in the presence of BN, which is an electrically insulating material, it was possible to increase the proportion of pristine CNTs to 0.25 wt% in the formulation without deterioration of the electrical resistivity. A small but significant synergic effect was determined when both fillers were added together. Improvements of about 750% and 400% in thermal conductivity were obtained in comparison to the neat epoxy matrix for the ECC and DGEBA composites, respectively. © 2019 Society of Chemical Industry

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Study of the synergistic effect of boron nitride and carbon nanotubes in the improvement of thermal conductivity of epoxy composites

Isarn

Bonnaud

Massagués

et al. 2019

Polymer International

View full text Add to dashboard Cite

show abstract

Waste Heat Recovery

2021

Waste Heat Recovery in Process Industries

View full text Add to dashboard Cite

Cellulose nanocrystals supported—PolyHIPE foams for low‐temperature latent heat storage applications

Türkoğlu

Mert

et al. 2021

J of Applied Polymer Sci

View full text Add to dashboard Cite

Paraffin‐based shape‐stabilized composite phase change materials (PCM) containing surface modified cellulose nanocrystals (CNCs) for thermal energy storage applications were prepared. In this respect, a three‐step experimental procedure consisting nanoparticle modification, macroporous foam synthesis, and composite PCM preparation was implemented. While CNCs were modified via freeze‐templating, high internal phase emulsion (HIPE) templating was used for the synthesis of polymeric foams ‐ known as polyHIPEs. Meanwhile a simple method was applied to impregnate n‐hexadecane (HD), which is a paraffin‐based PCM within the polyHIPE foam matrix. It was demonstrated that surface modified CNCs can be efficiently used to prepare polyHIPE foams with improved properties. It was also shown that the impregnation of HD into the ‐polyHIPE foam matrix supported by CTAB‐CNCs can be achieved with an incorporation rate of up to 55.7%. Moreover, the phase transition temperature and thermal energy storage capacity of the obtained composite PCM was determined as 22.7°C and 117 J/g, respectively.

show abstract

A review of the application of carbon materials in solar thermal energy storage

Cited by 88 publications

References 350 publications

Study of the synergistic effect of boron nitride and carbon nanotubes in the improvement of thermal conductivity of epoxy composites

Study of the synergistic effect of boron nitride and carbon nanotubes in the improvement of thermal conductivity of epoxy composites

Waste Heat Recovery

Cellulose nanocrystals supported—PolyHIPE foams for low‐temperature latent heat storage applications

Contact Info

Product

Resources

About