Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 246, Issue -, Pages 324-328Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2016.12.004
Keywords
Polymer electrolyte membrane; LDH; Conductivity; Alkaline fuel cell; Properties
Funding
- National Natural Science Foundation of China (NSFC) [51503161]
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Layered double hydroxides (LDH) are prepared by controlling urea assisted homogeneous precipitation conditions. Morphology and crystallinity of LDHs are confirmed by X-ray diffraction and scanning electron microscope. After LDHs are incorporated into quaternized polysulfone membranes, transmission electron microscope is used to observe the exfoliated morphology of LDH sheets in the membranes. The properties of the nanocomposite membranes, including water uptake, swelling ratio, mechanical property and ionic conductivity are investigated. The nanocomposite membrane containing 5% LDH sheets shows more balanced performances, exhibiting an ionic conductivity of 2.36x10(-2) S cm(-1) at 60 degrees C.
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