From rice husk to high performance shape stabilized phase change materials for thermal energy storage

Mohammad Mehrali, Sara Tahan Latibari, Marc A. Rosen, Amir Reza Akhiani, Mohammad Sajad Naghavi, Emad Sadeghinezhad, Hendrik Simon Cornelis Metselaar, Majeed Mohammadi Nejad, Mehdi Mehrali

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Abstract

A novel shape-stabilized phase change material (SSPCM) was fabricated by using a vacuum impregnation technique. The lightweight, ultra-high specific surface area and porous activated carbon was prepared from waste material (rice husk) through the combination of an activation temperature approach and a sodium hydroxide activation procedure. Palmitic acid as a phase change material was impregnated into the porous carbon by a vacuum impregnation technique. Graphene nanoplatelets (GNPs) were employed as an additive for thermal conductivity enhancement of the SSPCMs. The attained composites exhibited exceptional phase change behavior, having a desirable latent heat storage capacity of 175 kJ kg-1. When exposed to high solar radiation intensities, the composites can absorb and store the thermal energy. An FTIR analysis of the SSPCMs indicated that there was no chemical interaction between the palmitic acid and the activated carbon with GNPs. The thermal conductivity of the prepared composites improved by more than 97% for the highest loading of GNPs (6 wt%) compared with that of pure palmitic acid. Moreover, the SSPCMs exhibit high thermal stability, with a stable melting-freezing enthalpy and excellent reversibility. The prepared SSPCMs with enhanced heat transfer and phase change properties provide a beneficial option for building energy conservation and solar energy applications owing to the low cost of raw materials and the simple synthetic technique.

Original languageEnglish
Pages (from-to)45595-45604
Number of pages10
JournalRSC advances
Volume6
Issue number51
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes

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Palmitic acid
Graphite
Palmitic Acid
Phase change materials
Thermal energy
Energy storage
Graphene
Impregnation
Activated carbon
Thermal conductivity
Composite materials
Chemical activation
Vacuum
Sodium Hydroxide
Heat storage
Latent heat
Solar radiation
Freezing
Specific surface area
Solar energy

Cite this

Mehrali, Mohammad ; Tahan Latibari, Sara ; Rosen, Marc A. ; Akhiani, Amir Reza ; Naghavi, Mohammad Sajad ; Sadeghinezhad, Emad ; Metselaar, Hendrik Simon Cornelis ; Mohammadi Nejad, Majeed ; Mehrali, Mehdi. / From rice husk to high performance shape stabilized phase change materials for thermal energy storage. In: RSC advances. 2016 ; Vol. 6, No. 51. pp. 45595-45604.
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abstract = "A novel shape-stabilized phase change material (SSPCM) was fabricated by using a vacuum impregnation technique. The lightweight, ultra-high specific surface area and porous activated carbon was prepared from waste material (rice husk) through the combination of an activation temperature approach and a sodium hydroxide activation procedure. Palmitic acid as a phase change material was impregnated into the porous carbon by a vacuum impregnation technique. Graphene nanoplatelets (GNPs) were employed as an additive for thermal conductivity enhancement of the SSPCMs. The attained composites exhibited exceptional phase change behavior, having a desirable latent heat storage capacity of 175 kJ kg-1. When exposed to high solar radiation intensities, the composites can absorb and store the thermal energy. An FTIR analysis of the SSPCMs indicated that there was no chemical interaction between the palmitic acid and the activated carbon with GNPs. The thermal conductivity of the prepared composites improved by more than 97{\%} for the highest loading of GNPs (6 wt{\%}) compared with that of pure palmitic acid. Moreover, the SSPCMs exhibit high thermal stability, with a stable melting-freezing enthalpy and excellent reversibility. The prepared SSPCMs with enhanced heat transfer and phase change properties provide a beneficial option for building energy conservation and solar energy applications owing to the low cost of raw materials and the simple synthetic technique.",
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Mehrali, M, Tahan Latibari, S, Rosen, MA, Akhiani, AR, Naghavi, MS, Sadeghinezhad, E, Metselaar, HSC, Mohammadi Nejad, M & Mehrali, M 2016, 'From rice husk to high performance shape stabilized phase change materials for thermal energy storage' RSC advances, vol. 6, no. 51, pp. 45595-45604. https://doi.org/10.1039/c6ra03721f

From rice husk to high performance shape stabilized phase change materials for thermal energy storage. / Mehrali, Mohammad; Tahan Latibari, Sara; Rosen, Marc A.; Akhiani, Amir Reza; Naghavi, Mohammad Sajad; Sadeghinezhad, Emad; Metselaar, Hendrik Simon Cornelis; Mohammadi Nejad, Majeed; Mehrali, Mehdi.

In: RSC advances, Vol. 6, No. 51, 01.01.2016, p. 45595-45604.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - From rice husk to high performance shape stabilized phase change materials for thermal energy storage

AU - Mehrali, Mohammad

AU - Tahan Latibari, Sara

AU - Rosen, Marc A.

AU - Akhiani, Amir Reza

AU - Naghavi, Mohammad Sajad

AU - Sadeghinezhad, Emad

AU - Metselaar, Hendrik Simon Cornelis

AU - Mohammadi Nejad, Majeed

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N2 - A novel shape-stabilized phase change material (SSPCM) was fabricated by using a vacuum impregnation technique. The lightweight, ultra-high specific surface area and porous activated carbon was prepared from waste material (rice husk) through the combination of an activation temperature approach and a sodium hydroxide activation procedure. Palmitic acid as a phase change material was impregnated into the porous carbon by a vacuum impregnation technique. Graphene nanoplatelets (GNPs) were employed as an additive for thermal conductivity enhancement of the SSPCMs. The attained composites exhibited exceptional phase change behavior, having a desirable latent heat storage capacity of 175 kJ kg-1. When exposed to high solar radiation intensities, the composites can absorb and store the thermal energy. An FTIR analysis of the SSPCMs indicated that there was no chemical interaction between the palmitic acid and the activated carbon with GNPs. The thermal conductivity of the prepared composites improved by more than 97% for the highest loading of GNPs (6 wt%) compared with that of pure palmitic acid. Moreover, the SSPCMs exhibit high thermal stability, with a stable melting-freezing enthalpy and excellent reversibility. The prepared SSPCMs with enhanced heat transfer and phase change properties provide a beneficial option for building energy conservation and solar energy applications owing to the low cost of raw materials and the simple synthetic technique.

AB - A novel shape-stabilized phase change material (SSPCM) was fabricated by using a vacuum impregnation technique. The lightweight, ultra-high specific surface area and porous activated carbon was prepared from waste material (rice husk) through the combination of an activation temperature approach and a sodium hydroxide activation procedure. Palmitic acid as a phase change material was impregnated into the porous carbon by a vacuum impregnation technique. Graphene nanoplatelets (GNPs) were employed as an additive for thermal conductivity enhancement of the SSPCMs. The attained composites exhibited exceptional phase change behavior, having a desirable latent heat storage capacity of 175 kJ kg-1. When exposed to high solar radiation intensities, the composites can absorb and store the thermal energy. An FTIR analysis of the SSPCMs indicated that there was no chemical interaction between the palmitic acid and the activated carbon with GNPs. The thermal conductivity of the prepared composites improved by more than 97% for the highest loading of GNPs (6 wt%) compared with that of pure palmitic acid. Moreover, the SSPCMs exhibit high thermal stability, with a stable melting-freezing enthalpy and excellent reversibility. The prepared SSPCMs with enhanced heat transfer and phase change properties provide a beneficial option for building energy conservation and solar energy applications owing to the low cost of raw materials and the simple synthetic technique.

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U2 - 10.1039/c6ra03721f

DO - 10.1039/c6ra03721f

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SP - 45595

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JF - RSC advances

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