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Preparation and Performance of Aramid Nanofiber/Carbon Nanotube-based Phase Change Energy Storage Paper via Emulsion Template Method |
Received:September 09, 2022 |
DOI:10.11980/j.issn.0254-508X.2022.11.006 |
Key Words:phase change material aramid nanofiber carbon nanotube Pickering emulsion template method |
Fund Project:国家自然科学基金青年基金项目(51903142);广西清洁化制浆造纸与污染控制重点实验室开放基金资助项目(KF201904);中国博士后基金面上项目(2020M673477);陕西省自然基金(2020JQ-707)。 |
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Abstract:Taking the phase change material (hexadecanol) as core with aramid nanofibers/carbon nanotube as shell, the hexadecanol-loaded microcapsules were encapsulated by Pickering emulsion template method. The microcapsules were further dehydrated and dried to obtain hexadecanol/aramid nanofibers/carbon nanotubes phase change energy storage paper. The heat storage capacity, structure and stability of phase change energy storage paper were also investigated. It was demonstrated that phase change energy storage paper had excellent mechanical properties, thermal resistance, shape stability and high phase change enthalpy. Under the optimized conditions, the phase change energy storage paper with hexadecanol core content of 66.82% and heat absorption enthalpy of 128.00 J/g was obtained. Noteworthily, carbon nanotube significantly improved the thermal conductivity of phase change energy storage paper, and endowed it with photothermal and electrothermal effects. |
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