Carboxyl-functionalized Nanocellulose Reinforced Nanocomposite Proton Exchange Membrane
| Autor: | Xuefeng Chu, Wenling Yan, Baijun Liu, Yingcong Wei, Niaona Zhang, Wei Hu, Zhaoyan Sun, Xue Yang, Chenjun Dong, Qi Zhao |
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| Rok vydání: | 2019 |
| Předmět: |
Nanocomposite
Proton exchange membrane fuel cell Maleic anhydride Ether 02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences Nanocellulose chemistry.chemical_compound Monomer Membrane chemistry Fourier transform infrared spectroscopy 0210 nano-technology Nuclear chemistry |
| Zdroj: | Chemical Research in Chinese Universities. 35:735-741 |
| ISSN: | 2210-3171 1005-9040 |
| DOI: | 10.1007/s40242-019-8330-3 |
| Popis: | Nanocellulose(NCC) was prepared through the acid hydrolysis of microcellulose(MCC) and was reacted with maleic anhydride to obtain carboxyl-functionized nanocellulose(MA-NCCs). The presence of −OH and −SO3H on the surface of rod-like MA-NCC was confirmed by Fourier transform infrared spectrometry(FTIR). Sulfonated poly(aryl ether ether ketone ketone)(Ph-SPEEKK) was synthesized with bis(4-fluorophenyl-methanone) and 2-phenylhydroquinone as monomer. MA-NCC/Ph-SPEEKK nanocomposite membranes with different MA-NCCs content were prepared, and their properties were characterized. Compared with Ph-SPEEKK, MA-NCC/Ph-SPEEKK nanocomposite membrane showed better mechanical and thermal properties and higher proton conductivity. The proton conductivity of the composite membrane with 4%(mass fraction) MA-NCCs under 80 °C was 0.095 S/cm. And its tensile strength reached 30.3 MPa, which was 21.2% higher than that of Ph-SPEEKK pure polymer membrane. |
| Databáze: | OpenAIRE |
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