2017
DOI: 10.1039/c6ta10802d
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Three-dimensional porous MoNi4 networks constructed by nanosheets as bifunctional electrocatalysts for overall water splitting

Abstract: 3D porous MoNi4 networks annealed at 450 °C need only ∼1.58 V to achieve 10 mA cm−2 for overall water splitting and exhibit excellent stability. A two-electrode device to split water with porous MoNi4 networks as bifunctional electrocatalysts can be driven by a single AA battery (1.5 V).

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Cited by 137 publications
(96 citation statements)
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“…Therefore, in the process of partial reduction, 5 % (v/v) hydrogen was added. In many previous reports, the temperature of hydrogen reduction reaction often was set excess 450 °C ,. Generally, elevated temperature favors in the dehydration of hydroxides and the reduction reaction.…”
Section: Resultssupporting
confidence: 83%
See 1 more Smart Citation
“…Therefore, in the process of partial reduction, 5 % (v/v) hydrogen was added. In many previous reports, the temperature of hydrogen reduction reaction often was set excess 450 °C ,. Generally, elevated temperature favors in the dehydration of hydroxides and the reduction reaction.…”
Section: Resultssupporting
confidence: 83%
“…Generally, elevated temperature favors in the dehydration of hydroxides and the reduction reaction. Unfortunately, the elevated temperature promoted the formation of stable complete crystalline, significantly reducing the interfacial area, an unexpected structure . The existence of sufficient interface, polycrystalline, and even amorphous structure was all helpful to improve the catalytic performance .…”
Section: Resultssupporting
confidence: 83%
“…3D hierarchically porous Ni microspheres on nickel foam have been designed as a nonprecious metal bifunctional electrocatalyst for hydrogen production and oxidative upgrading of various alcohols under ambient conditions . Compared to pure nickel, an enhancement in the intrinsic electrocatalytic activity in the HER has been achieved by use of Ni‐based alloys integrated with, e.g., W, Mo, and Fe . Among various alloys, porous nickel–molybdenum (NiMo) arrays grown on 3D Ni foam have been fabricated through thermal reduction process by use of NiMoO 4 precursors .…”
Section: Electrocatalyst Categoriesmentioning
confidence: 99%
“…Compared to pure nickel, an enhancement in the intrinsic electrocatalytic activity in the HER has been achieved by use of Ni‐based alloys integrated with, e.g., W, Mo, and Fe . Among various alloys, porous nickel–molybdenum (NiMo) arrays grown on 3D Ni foam have been fabricated through thermal reduction process by use of NiMoO 4 precursors . After turning to Cu foam and nanowires as the substrates, NiMo/Cu arrays with the optimal Ni/Mo ratio modulated by the deposition current density exhibited the composition‐dependent enhanced activity and excellent electrochemical stability for HER in alkaline electrolyte .…”
Section: Electrocatalyst Categoriesmentioning
confidence: 99%
“…One of the most attractive porous metals is NiMo alloy which is known as one of the best hydrogen evolution electrode catalyst for cost-effective and highly efficient hydrogen production in water electrolysis [13,14]. Although different kinds of NiMo alloy porous morphologies were investigated such as HER catalysts including Ni 4 Mo [15], NiMo nanopowder [16], NiMo nanowire [17], the performances show that HER performance is not very enhanced due to the absence of bicontinuous and monolithic porous structures. Indeed, the Ni foam supported Ni 4 Mo nanoparticles, and the three-dimensional NiMo nanowires significantly improved their HER activities.…”
Section: Introductionmentioning
confidence: 99%