Uniform palladium-nickel nanowires arrays for stable hydrogen leakage detection and efficient hydrogen evolution reaction

Du, Lingling; Feng, Dongliang; Xing, Xiaxia; Wang, Chen; Armatas, Gerasimos S.; Yang, Dachi

doi:10.1016/j.cej.2020.125864

Cited by 50 publications

(24 citation statements)

References 44 publications

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“…Specifically, for HER in 0.1 M HClO 4 (Fig. 3a), PdNiP/C only needs an overpotential (g 10 ) of 209 mV to deliver a current density of 10 mA cm À2 and shows a high mass activity of 1089.0 A g Pd À1 at g = 200 mV, remarkably outperforming those of commercial PdNi/C (g 10 = 404 mV, 221.7 A g Pd À1 at g = 200 mV) measured under the same conditions and also better than that of PdNi nanowires (1050.0 A g Pd À1 at g = 200 mV) reported very recently [47]. In 1 M KOH (Fig.…”

Section: Resultsmentioning

confidence: 53%

Easy preparation of multifunctional ternary PdNiP/C catalysts toward enhanced small organic molecule electro-oxidation and hydrogen evolution reactions

Amorim

et al. 2021

Journal of Energy Chemistry

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Section: Resultsmentioning

confidence: 53%

Easy preparation of multifunctional ternary PdNiP/C catalysts toward enhanced small organic molecule electro-oxidation and hydrogen evolution reactions

Amorim

et al. 2021

Journal of Energy Chemistry

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“…The NCoCu-5 CDs/NFÀ CoNi has a remarkable HER performance with merely ~65 mV at 10 mA cm À 2 , which overbeats the other samples of NCoCu-2.5 CDs/NFÀ CoNi (75 mV), NCoCu-7.5 CDs /NFÀ CoNi (152 mV), NCoCu-10 CDs /NFÀ CoNi (93 mV) and NCoCu-12.5 CDs /NFÀ CoNi (145 mV) at 10 mA cm À 2 (Figure 6a). This value is actually smaller than the already raised nonprecious metal catalysts as summarized in Table S1, for example, Co 1-x S/NC (η10 = 73 mV), [53] PdNi NWs (η10 = 91 mV), [54] Mo 2 C nanobelts (110 mV), [55] MoS 2 /Mo 3 N 2 (η10 = 196 mV). [27] The video also shows the excellent hydrogen evolution performance of NCoCu-5 CDs/NFÀ CoNi.…”

Section: The Effect Of Content Of Cu In Cds On Her Performancementioning

confidence: 69%

NCoCu Carbon Dots Intertwined NiCo Double Hydroxide Nanorod Array for Efficient Electrocatalytic Hydrogen Evolution

et al. 2021

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Electrocatalytic production of hydrogen from water is a faster and environmentally friendly way of producing bulk hydrogen with the highest purity. Herein, a highly efficient mesh-like cobalt hydroxide self-supporting catalyst coupled with NCoCu-5 carbon dots (CDs) on Ni foam (NF) is reported by a common hydrothermal way. The type of carbon dots on NiCo double hydroxide has a great effect on the morphology of the catalyst (NCoCu-5 CDs/NFÀ CoNi). The intertwined mesh-like NCoCu-5 CDs/NFÀ CoNi catalyst has an excellent HER performance, exhibiting a low overpotential of 65 mV at 10 mA cm À 2 . After coupling with NCoCu-5 CDs, a new CoÀ N electronic transfer channel is created in composite, and a suitable electronic environment is produced between Co and NCoCu-5 CDs.Copper cations react with NF to generate Cu + intermediate ions, thus further promoting the formation of Co 3 + . It supplies a high-speed charge channel for the transmission of ions and increases the active sites.

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“…19 A suitable solution for the consistent performance of the membrane for longer lifetime requires alloying Pd with other metals to eliminate or minimize the drawbacks witnessed using pure Pd membranes. 14 For this reason, Pd can be alloyed with other metals such as copper, 20 gold, 21 nickel, 22 silver, 23 titanium, 24 platinum, 25 tungsten, 26 indium, 27 rhenium, 28 yttrium, 29 cerium, 30 molybdenum, 31 ruthenium, 32 rhodium, 33 etc. When Pd is alloyed with these metals, its critical temperature for formation of Pd hydride is reduced.…”

Section: General Properties Of Palladium and Its Alloysmentioning

confidence: 99%

Palladium-Alloy Membrane Reactors for Fuel Reforming and Hydrogen Production: A Review

et al. 2021

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Hydrogen has a potential to be a clean energy carrier that emits only water after combustion and can be produced from diverse feedstocks. Hydrogen has much better combustion characteristics in conventional combustion systems and higher energy efficiency when used with fuel cells. More than 75 million tons of hydrogen are currently produced primarily using fossil fuels as feedstock via steam methane reforming processes. Steam methane reforming is the mature technology for producing hydrogen and when coupled with CO2 capture can help address climate challenges. Inorganic palladium (Pd) membranes have demonstrated great potential to separate hydrogen due to their stability and high selectivity for hydrogen. In this review, several methods of fabricating Pd-alloy membranes are discussed and compared in terms of membrane stability and selectivity of hydrogen. Such methods include electroless plating (ELP), chemical vapor deposition (CVD), physical vapor deposition (PVD), and electroplating deposition (EPD). The permeability of hydrogen in different Pd-based alloy membranes are presented and compared. Focus has been made, in this review, on Pd–Ag, Pd–Cu, Pd–Au, and Pd–Ru alloys. The effects of impurities (H2S, CO, O2, and CO2) on performance of different Pd-based alloy membranes are also investigated. Moreover, the subject of using Pd-membrane reactors for fuel reforming and H2 production is investigated in detail based on numerous experimental and numerical studies in the literature, considering different membrane reactor designs: axial-flow tubular, radial-flow tubular, axial-flow spherical, packed-bed, fluidized bed, and slurry bubble column. The performance of Pd-membranes in such reactors for hydrogen production is compared, and the effects of temperature, pressure, H2O/CH4 ratio, and residence time on reformer performance are also investigated. Finally, the use of computational methods, particularly, density functional theory (DFT), to complement well-established experimental methods for studying the diffusion of H and its isotopes in different metals is reviewed. The review concludes with some insights into future work to bring Pd-membrane reactors to the level required for hydrogen production at the commercial level.

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Uniform palladium-nickel nanowires arrays for stable hydrogen leakage detection and efficient hydrogen evolution reaction

Cited by 50 publications

References 44 publications

Easy preparation of multifunctional ternary PdNiP/C catalysts toward enhanced small organic molecule electro-oxidation and hydrogen evolution reactions

Easy preparation of multifunctional ternary PdNiP/C catalysts toward enhanced small organic molecule electro-oxidation and hydrogen evolution reactions

NCoCu Carbon Dots Intertwined NiCo Double Hydroxide Nanorod Array for Efficient Electrocatalytic Hydrogen Evolution

Palladium-Alloy Membrane Reactors for Fuel Reforming and Hydrogen Production: A Review

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