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Browsing by Author "Kang, X"

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Fabrication of core-shell MIL-101(Cr)@UiO-66(Zr) nanocrystals for hydrogen storage

Author: Ren, Jianwei ; Musyoka, Nicholas M ; Langmi, Henrietta W ; North, Brian C ; Mathe, Mahlanyane K ; Kang, X Date: Sep 2014 The fabrication of coreeshell nanocrystals by incorporating microporous UiO-66 into mesoporous MIL-101 is reported. The growth of the coreeshell MIL-101@UiO-66 nanocrystals was observed and supported by TEM and PXRD. The accessible pore volumes ... Read more
Modulated synthesis of chromium-based metal-organic framework (MIL-101) with enhanced hydrogen uptake

Author: Ren, Jianwei ; Musyoka, Nicholas M ; Langmi, Henrietta W ; Segakweng, T ; North, Brian C ; Mathe, Mahlanyane K ; Kang, X Date: Aug 2014 Modulated synthesis of MIL-101(Cr) in high yield and with good reproducibility using formic acid as a modulator is reported. Higher molar ratio of formic acid/CrCl(sub3) was found to form better shape-defined MIL-101(Cr) crystals with higher ... Read more
Nanostructured graphite-induced destabilization of LiBH4 for reversible hydrogen storage

Author: Wang, K ; Kang, X ; Ren, Jianwei ; Wang, P Date: Nov 2016 In this study, nanostructured graphite (nano-G) was added to LiBH(sub4) and examined with respect to its effect on the hydrogen storage properties of the system. Our study found that nano-G is an effective additive for promoting the reversible ... Read more
Tuning defects to facilitate hydrogen storage in core-shell MIL-101(Cr)@UiO-66(Zr) nanocrystals

Author: Ren, Jianwei ; Langmi, Henrietta W ; Musyoka, Nicholas M ; Mathe, Mahlanyane K ; Kang, X ; Liao, S Date: Aug 2015 In this work, the existence of structural defects in core-shell MIL-101(Cr)@UiO-66(Zr) and pure UiO-66(Zr) were proposed. It was found that longer synthesis time leads to larger crystals, which are however not perfect as they morphologically ... Read more
Unexpected dehydrogenation behaviors of the 2LiBH4-MgH2 composite confined in a mesoporous carbon scaffold

Author: Wang, K ; Kang, X ; Zhong, Y ; Hu, C ; Ren, Jianwei ; Wang, P Date: Nov 2014 Nanoconfinement has been widely employed as a promising strategy to improve dehydrogenation kinetics, reversibility, and equilibrium pressure of complex metal hydrides. In this paper, we report a careful study of the influence of nanoconfinement ... Read more

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Browsing by Author "Kang, X"

Browsing by Author "Kang, X"

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