Enhanced Comprehensive Performance of Polyethylene Glycol Based Phase Change Material with Hybrid Graphene Synthesized by Ball Milling

Enhanced Comprehensive Performance of Polyethylene Glycol Based Phase Change Material with Hybrid Graphene Synthesized by Ball Milling

The stickiness of acacia gum was used to assist in the ball milling of graphite in aqueous media. Graphite is successfully exfoliated through a “sticky tape” mechanism, to give a 2.06 mg mL−1 aqueous dispersion of graphene. PEG6000 doped with 0.4 wt% of as-prepared graphene nanosheets (GN) exhibited...

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Veröffentlicht in:Chemistry letters 2018-01, Vol.47 (6), p.797
Hauptverfasser: Li, Xi, Xia, Jinfeng, Li, Xin, Shen, Yibo, Hu, Tianxi, Ye, Danwang, Jiang, Danyu, Li, Qiang
Format: Artikel
Sprache:eng ; fre ; ger ; jpn
Schlagworte:
Ball milling
Enthalpy
Graphene
Graphite
Phase change materials
Polyethylene glycol
Thermal conductivity
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Zusammenfassung:The stickiness of acacia gum was used to assist in the ball milling of graphite in aqueous media. Graphite is successfully exfoliated through a “sticky tape” mechanism, to give a 2.06 mg mL−1 aqueous dispersion of graphene. PEG6000 doped with 0.4 wt% of as-prepared graphene nanosheets (GN) exhibited obviously growing enthalpies and increasing thermal conductivity by 260% over pure PEG6000.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.180144