Strongly coupled Mo2C and Ni nanoparticles with in-situ formed interfaces encapsulated by porous carbon nanofibers for efficient hydrogen evolution reaction under alkaline conditions

Sun, Jiahao; Liu, Jiangnan; Chen, Han; Xu, Han; Wu, Yun; He, Jie; Han, Ce; Yang, Guocheng; Shan, Yuping

doi:10.1016/j.jcis.2019.09.102

Cited by 33 publications

(17 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…CNF-Ni/NiO and CNF-Pd nanofibers). This is explained by the well-exposed active sites or by the optimized electronic configuration on the interfaces[83]. The strong H binding on the heterostructures (CNF-Ni/NiO-Pd) and the relatively weak binding on C-Ni or C-Pd might explain why CNF-Ni/NiO-Pd heterostructures can efficiently catalyze both H + reduction and H ads desorption in HER, resulting in optimized HER kinetics and superior activity[68].…”

mentioning

confidence: 99%

Atomic layer deposition of Pd nanoparticles on self-supported carbon-Ni/NiO-Pd nanofiber electrodes for electrochemical hydrogen and oxygen evolution reactions

Barhoum

El-Maghrabi

Iatsunskyi

et al. 2020

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

h i g h l i g h t sSelf-supported CNF-Ni/NiO-Pd electrodes were fabricated. Electrospinning with atomic layer deposition were used for the electrode fabrication. CNF-Ni/NiO-Pd electrodes were used for HER and OER reactions under acidic and basic conditions. CNF-Ni/NiO-Pd electrodes have shown high HER and OER activity compared to Pt and IrO 2 catalysts. Synergistic effect between the graphitic nanosheets, Ni/NiO and Pd NPs at the nanointerfaces has been highlighted.

show abstract

mentioning

confidence: 99%

Atomic layer deposition of Pd nanoparticles on self-supported carbon-Ni/NiO-Pd nanofiber electrodes for electrochemical hydrogen and oxygen evolution reactions

Barhoum

El-Maghrabi

Iatsunskyi

et al. 2020

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

show abstract

“…As discussed in the electronic modulation to improve HER performance, some of the electrocatalysts are CNFs‐based nanomaterials 83‐112 . It is well known that the electrospinning technique is a facile and versatile strategy to prepare functional electrocatalyst embedded in CNFs.…”

Section: Electrocatalytic Water Splitting Based On the Electrospun Namentioning

confidence: 99%

Electronic modulation and interface engineering of electrospun nanomaterials‐based electrocatalysts toward water splitting

et al. 2020

View full text Add to dashboard Cite

Nowdays, electrocatalytic water splitting has been regarded as one of the most efficient means to approach the urgent energy crisis and environmental issues. However, to speed up the electrocatalytic conversion efficiency of their half reactions including hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), electrocatalysts are usually essential to reduce their kinetic energy barriers. Electrospun nanomaterials possess a unique one‐dimensional structure for outstanding electron and mass transportation, large specific surface area, and the possibilities of flexibility with the porous feature, which are good candidates as efficient electrocatalysts for water splitting. In this review, we focus on the recent research progress on the electrospun nanomaterials‐based electrocatalysts for HER, OER, and overall water splitting reaction. Specifically, the insights of the influence of the electronic modulation and interface engineering of these electrocatalysts on their electrocatalytic activities will be deeply discussed and highlighted. Furthermore, the challenges and development opportunities of the electrospun nanomaterials‐based electrocatalysts for water splitting are featured. Based on the achievements of the significantly enhanced performance from the electronic modulation and interface engineering of these electrocatalysts, full utilization of these materials for practical energy conversion is anticipated.

show abstract

“…The same catalyst was able to withstand 100 h of water splitting current density of 10 mA/cm 2 at 1.64 V, when it was used as both anode and cathode. With the same concept of using Ni and Mo 2 C as a functional catalyst material strongly coupled on electrospun CNFs, Sun et al (2019) [113] reported that the electrospinning of PVP (precursor of CNF) and NiMoO 4 (precursor of Ni-Mo 2 C) as homologous bimetallic precursor results in in-situ interface or ridge formation between Ni and Mo 2 C phases, which opens up new active sites for HER activity, where the CNF provides the necessary structural and electrical stability. In their work, they reported the Tafel slope value as 54.7 mV/dec of the catalyst, as compared to 33.5 mV/dec of commercial Pt/C during the HER in alkaline medium.…”

Section: Cnf Supported Metal Carbidesmentioning

confidence: 99%

Electrospun CNF Supported Ceramics as Electrochemical Catalysts for Water Splitting and Fuel Cell: A Review

Verma

Sinha-Ray

2020

Polymers

View full text Add to dashboard Cite

With the per capita growth of energy demand, there is a significant need for alternative and sustainable energy resources. Efficient electrochemical catalysis will play an important role in sustaining that need, and nanomaterials will play a crucial role, owing to their high surface area to volume ratio. Electrospun nanofiber is one of the most promising alternatives for producing such nanostructures. A section of key nano-electrocatalysts comprise of transition metals (TMs) and their derivatives, like oxides, sulfides, phosphides and carbides, etc., as well as their 1D composites with carbonaceous elements, like carbon nanotubes (CNTs) and carbon nanofiber (CNF), to utilize the fruits of TMs’ electronic structure, their inherent catalytic capability and the carbon counterparts’ stability, and electrical conductivity. In this work, we will discuss about such TM derivatives, mostly TM-based ceramics, grown on the CNF substrates via electrospinning. We will discuss about manufacturing methods, and their electrochemical catalysis performances in regards to energy conversion processes, dealing mostly with water splitting, the metal–air battery fuel cell, etc. This review will help to understand the recent evolution, challenges and future scopes related to electrospun transition metal derivative-based CNFs as electrocatalysts.

show abstract

Strongly coupled Mo2C and Ni nanoparticles with in-situ formed interfaces encapsulated by porous carbon nanofibers for efficient hydrogen evolution reaction under alkaline conditions

Cited by 33 publications

References 28 publications

Atomic layer deposition of Pd nanoparticles on self-supported carbon-Ni/NiO-Pd nanofiber electrodes for electrochemical hydrogen and oxygen evolution reactions

Atomic layer deposition of Pd nanoparticles on self-supported carbon-Ni/NiO-Pd nanofiber electrodes for electrochemical hydrogen and oxygen evolution reactions

Electronic modulation and interface engineering of electrospun nanomaterials‐based electrocatalysts toward water splitting

Electrospun CNF Supported Ceramics as Electrochemical Catalysts for Water Splitting and Fuel Cell: A Review

Contact Info

Product

Resources

About