首页|Fluorinated microporous organic polymers for enhanced thermal energy storage
Fluorinated microporous organic polymers for enhanced thermal energy storage
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NSTL
Knitting method has been widely used in the synthesis of microporous organic polymers(MOPs)because of its simple process and wide adaptability.In our study,microporous organic biphenyl(MOBP)and F-containing microporous organic fluorobiphenyl(MOFBP)were prepared in this way.The two polymers show large BET surface area(917 m~2 g~(-1)),pore volume(0.77 cm~3 g~(-1))and favorable phase change materials(PCMs)capacities.Shape stable phase change composites were obtained using self-adsorption method.From differential scanning calorimetry(DSC),thermal gravimetric analysis(TGA)and X-ray diffraction(XRD)results,the PCM composites have favorable encapsulation ratios,thermal stabilities and latent heats.For stearyl alcohol@ MOFBP(SA@MOFBP),the encapsulation ratio is 78.9 wt% and the latent heat reaches 194.3 kJ g~(-1).Moreover,all composites remained their thermal energy storage properties after 100 thermal cycles.These PCM composites have potential applications in the field of thermal energy storage.
Fluorinated porous polymersPhase change materialThermal energy storagePCM composites
Weibin Gao、Zhihong Liu、Xiaowei Jiang
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Institute of Chemical and Pharmaceutical Engineering,Changzhou Vocational Institute of Engineering,Changzhou,PR China
NSTL
