Catalytic activities of non-noble metals for hydrogen generation from aqueous ammonia–borane at room temperature

Xu, Qiang; Chandra, Manish

doi:10.1016/j.jpowsour.2006.09.043

Cited by 566 publications

(332 citation statements)

References 27 publications

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“…Co catalyst was found to be effective in reducing the kinetic barrier of dehydrogenation of borohydrides, 18,19 so that Co was doped into the sample through energetic ball milling. In this case, our volumetric release measurement shows that obvious hydrogen evolution took place at ca.…”

mentioning

confidence: 99%

Releasing 17.8 wt% H2 from lithium borohydride ammoniate

Zheng

et al. 2011

Energy Environ. Sci.

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mentioning

confidence: 99%

Releasing 17.8 wt% H2 from lithium borohydride ammoniate

Zheng

et al. 2011

Energy Environ. Sci.

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“…Examples include physical adsorption systems with boron-doped carbons [8][9][10] , chemical systems using ammonia borane derivatives [11][12][13][14] , and light metal borohydrides 15 . Boron is distinguished from the remainder of the periodic table by an electronic frustration.…”

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confidence: 99%

Prediction of a multicenter-bonded solid boron hydride for hydrogen storage

et al. 2011

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A layered solid boron hydride structure (B2H2) consisting of hexagonal boron network and bridge hydrogen which has a gravimetric capacity of 8 wt% hydrogen is predicted. The structural, electronic, and dynamical properties of the proposed structure are investigated using first-principles electronic structure methods. The absence of soft phonon modes confirms the dynamical stability of the proposed structure. Charging the structure significantly softens hydrogen related phonon modes. Boron modes, in contrast, are either hardened or not significantly affected by electron doping. Furthermore, self-doping the structure considerably reduces the energy barrier against hydrogen release. These results suggest that electrochemical charging or self-doping mechanisms may facilitate hydrogen release while the underlying boron network remains intact for subsequent rehydrogenation.

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“…The heterogeneous catalysts towards the AB hydrolysis can be classed into two groups. The first group is the noble metal or alloy catalyst, such as Pt [9,10], Ru [11,12] and PdPt [13]. It has been well demonstrated that these catalysts exhibit high activity towards the AB hydrolysis.…”

Section: Introductionmentioning

confidence: 99%

Ca0.5Mg0.5Co2O4 Nanosheets Comprised of Nanoparticles, Synthesis, Characterization and their Catalytic Activity in the Hydrolysis of Ammonia Borane for Hydrogen Production

Li¹,

Feng²,

Liao³

et al. 2018

Proceedings of the 4th Annual International Conference on Material Engineering and Application (ICMEA 2017)

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Abstract-Catalytic hydrolytic reaction of ammonia borane (AB) is regarded as safe and efficient way to produce hydrogen. However, the development of heterogeneous catalysts with both high catalytic performance and low cost for this hydrolytic reaction is still a great challenge. In this work, we have developed a novel catalyst for the hydrolysis of ammonia borane, Ca 0.5 Mg 0.5 Co 2 O 4 nanosheets composed of nanoparticles, which was characterized by X-ray powder diffractometer, field emission scanning electron microscope, transmission electron microscope, and volumetric analyzer. In the AB hydrolysis, the hydrogen production rate will increase as the increase the NaOH dosage. At NaOH dosage of 1.6 g, the turnover frequency is 4.8 mol hydrogen min -1 mol cat -1 . It is also found that a high catalyst dosage and a high reaction temperature are favorable for the fast hydrogen release from AB solution.

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Catalytic activities of non-noble metals for hydrogen generation from aqueous ammonia–borane at room temperature

Cited by 566 publications

References 27 publications

Releasing 17.8 wt% H2 from lithium borohydride ammoniate

Releasing 17.8 wt% H2 from lithium borohydride ammoniate

Prediction of a multicenter-bonded solid boron hydride for hydrogen storage

Ca0.5Mg0.5Co2O4 Nanosheets Comprised of Nanoparticles, Synthesis, Characterization and their Catalytic Activity in the Hydrolysis of Ammonia Borane for Hydrogen Production

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