Investigation of alkaline water electrolysis performance for different cost effective electrodes under magnetic field

Kaya, Mehmet Fatih; Demïr, Nesrin; Albawabiji, M. Salahaldin; Taş, Mert

doi:10.1016/j.ijhydene.2017.02.039

Cited by 58 publications

(33 citation statements)

References 30 publications

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“…Thus far, this strategy has been extensively exploited to boost the electrocatalytic hydrogen production of Ta, [ 105 ] Ni, [ 106,107 ] Cu, [ 107 ] Pt, [ 106,108 ] and steel, [ 109 ] demonstrating a broad universality. Furthermore, magnetic field is an independent auxiliary tool to engineer catalysis.…”

Section: Magnetic Field‐assisted Electrocatalytic Her/oermentioning

confidence: 99%

Promoting Electrocatalytic Hydrogen Evolution Reaction and Oxygen Evolution Reaction by Fields: Effects of Electric Field, Magnetic Field, Strain, and Light

et al. 2020

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promising alternative to fossil fuels. Water electrolysis by renewable resourcederived electricity represents a facile and green route to produce H 2. [1-13] Generally, the key to implement high-performance water splitting is to develop economically viable, efficient, and robust electrocatalysts to lower the activation potential barriers. Thus far, researchers have devoted extensive enthusiasm to the investigation of electrocatalysts. Currently, most efforts have been taken on the search for new materials, [14-16] regulation of morphology, [17] crystallinity, [18] facet, [19] component, [20-24] defect, [25,26] matter phase, [27,28] or the compositing of various materials with synergy. [29-36] However, the performances of emerging nonnoble electrocatalysts still lag behind those of noble ones. To address this issue, researchers have turned their attention beyond the electrocatalysts themselves. Field-assisted electrocatalysis is the electrocatalytic reaction proceeded in the presence of a field. It represents a promising methodology since it exerts an additional degree of freedom to engineer an electrochemical process. Inspiringly, indisputable improvements in electrocatalytic hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) have been implemented with the assist of various fields, including electric field, magnetic field, strain, and light. For example, the electrocatalytic HER of a MoS 2 nanosheet is markedly boosted by simply exploiting a back gate voltage of 5 V. [37] Its overpotential at −100 mA cm −2 is decreased from 240 to 38 mV. In addition, enhancement of alkaline water electrolysis is achieved by applying a moderate magnetic field (≤450 mT) to an electrocatalytic anode consists of highly magnetic electrocatalysts. [38] Its current density increments are beyond 100%. Furthermore, the HER activity of β-PdH x increases monotonically as the applied strain increases from 0% to 4.5%. [39] Lastly, an approximately threefold increase in current density of Au-MoS 2 for electrocatalytic HER is realized upon the illumination of IR light. [40] These results undoubtedly elucidate that applying a field during electrocataly sis opens up great opportunities toward further improving electrocatalytic activity. Moreover, this approach provides merits of facile, dynamical, continuous, reversible, and universal control. Despite fascinating achievements, these investigations are relatively scattered. The underneath mechanisms and principles Hydrogen fuel is considered as one of the most clean renewable resources, warranting it a primary alternative to fossil fuels for future energy supplies. Electrocatalytic water splitting is an eco-friendly technique for high-purity hydrogen production. However, the sluggish dynamics of its two halfreactions, hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), are tough challenges impeding the practical application of this technology. In these years, external field-assisted HER and OER have attracted extensive research interests. Herein, the effects o...

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Section: Magnetic Field‐assisted Electrocatalytic Her/oermentioning

confidence: 99%

Promoting Electrocatalytic Hydrogen Evolution Reaction and Oxygen Evolution Reaction by Fields: Effects of Electric Field, Magnetic Field, Strain, and Light

et al. 2020

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“…The process was referred to as hydrogen production by infrared (HyPIR) electrolysis and is based on concepts reported in the literature [3,4,5]. Other electrolysis techniques include hydrogen production by green laser irradiation [6], hydrogen production by PEM electrolysis [7], hydrogen production by electrolysis powered by renewable energy [8], low temperature water electrolysis [9], alkaline water electrolysis in the presence of a magnetic field [10], and a solar-to hydrogen device based on earth-abundant…”

Section: Introductionmentioning

confidence: 99%

HyPIR Electrolysis for a 0.25 M Epsom Salt Solution

Fanchi

2021

AJR2P

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Previous laboratory work using a 0.12 M Epsom salt solution showed that HyPIR Electrolysis, or Hydrogen Production by Infrared Electrolysis, can increase the rate of hydrogen production from a solution of Epsom salt dissolved in water by irradiating the electrolyte with an optimum wavelength of light. This article presents data for a 0.25 M Epsom salt solution. A comparison of the data for different molarities shows that an increase in molarity of the electrolytic system decreases the rate of hydrogen production.

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“…it was found that the presence of a magnetic field contributes to electrolyser electrochemical performance through enhancing gas removal from the electrode surface. These improvements are due to the magneto hydrodynamic (Lorentz) Force [27,28] and the magneto aerodynamic (Kelvin) Force [29,30].…”

Section: Introductionmentioning

confidence: 99%

“…The effect of the magnetic field on electrolysis was studied by researchers with a focus on understanding its effect on alkaline and acidic solutions (concentration, conductivity etc.) [22], electrode materials [27], electrode geometry [31], and its interaction with operating parameters such as; voltage change [32] and the magnetic flux density [29,33]. For example, acidic (H 2 SO 4 ) solutions.…”

Section: Introductionmentioning

confidence: 99%

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Improving PEM water electrolyser’s performance by magnetic field application

2020

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Investigation of alkaline water electrolysis performance for different cost effective electrodes under magnetic field

Cited by 58 publications

References 30 publications

Promoting Electrocatalytic Hydrogen Evolution Reaction and Oxygen Evolution Reaction by Fields: Effects of Electric Field, Magnetic Field, Strain, and Light

Promoting Electrocatalytic Hydrogen Evolution Reaction and Oxygen Evolution Reaction by Fields: Effects of Electric Field, Magnetic Field, Strain, and Light

HyPIR Electrolysis for a 0.25 M Epsom Salt Solution

Improving PEM water electrolyser’s performance by magnetic field application

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