Recent Progress of Electrospun Nanofibers for Zinc–Air Batteries

Hao, Yanan; Hu, Feng; Chen, Ying; Wang, Yonghan; Xue, Junmin; Yang, Shengrong; Peng, Shengjie

doi:10.1007/s42765-021-00109-4

Cited by 46 publications

(14 citation statements)

References 123 publications

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“…[42][43][44] There is a wide range of synthetic raw materials for a carbon matrix, such as polymers, electrospun nanofibers, biomass, and small-molecule compounds. [45][46][47][48][49] However, the carbon materials synthesized in the above carbon sources have the disadvantages of a complex preparation process and low yield. 50 Thus, it is necessary to explore innovative strategies for the facile and large-scale preparation of carbon-based electrocatalysts.…”

Section: Introductionmentioning

confidence: 99%

Electronic modulation of cobalt–molybdenum oxideviaTe doping embedded in a carbon matrix for superior overall water splitting

Zhao

et al. 2022

Inorg. Chem. Front.

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Section: Introductionmentioning

confidence: 99%

Electronic modulation of cobalt–molybdenum oxideviaTe doping embedded in a carbon matrix for superior overall water splitting

Zhao

et al. 2022

Inorg. Chem. Front.

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“…Changing the characteristics of the support is another strategy to raise the durability of Pt catalysts. When CB is replaced by carbon nanotubes [16,17], carbon nanofibers (CNFs) [18][19][20], or graphene [21], the durability of the Pt catalyst is extended. Wang et al [22] fabricated PCNFs as a support on which to deposit Pt and found that the Pt/PCNF retained about 50% of its electrochemical activity area (ECSA) whereas Pt/C kept only 25% of its ECSA after 1000 cycles of CV sweeps, demonstrating the brilliant stability of PCNFs.…”

Section: Introductionmentioning

confidence: 99%

The Oxygen Reduction Performance of Pt Supported on the Hybrid of Porous Carbon Nanofibers and Carbon Black

et al. 2022

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Proton exchange membrane fuel cells (PEMFCs) represent an outstanding clean energy alternative for next-generation power sources. The PEMFC’s performance is mainly determined by the sluggish oxygen reduction reaction (ORR) that occurs in its cathode Therefore, the use of electrocatalysts with high electrocatalytic activity and stability for improving the ORR has been a vital direction for the commercialization of PEMFCs. In this article, porous carbon nanofibers (PCNFs) based on a polyacrylonitrile/polymethyl methacrylate (PAN/PMMA) precursor were fabricated by electrospinning followed by carbonization; then, the PCNFs were mixed together with carbon black (CB) in different mass ratios as a hybrid support for Pt nanoparticles. Pt nanoparticles were deposited on the hybrid support by the ethylene glycol reduction method, and the obtained series of Pt/(PCNF + CB) were used as the oxygen reduction electrocatalyst in the cathode. Their electrocatalytic properties, as well as those of Pt/C as a reference, were investigated by cyclic voltammetry scanning (CV) and linear sweep voltammetry (LSV). The results explained that Pt/(PCNF + CB) showed a higher electrochemical activity area and half-wave potential when the PCNF/CB mass ratio was 3/2 than that of commercial Pt/C. Furthermore, the half-wave potential of Pt/(PCNF + CB) only decreased by 4 mV, which was 86 mV lower than that of commercial Pt/C (90 mV) after 2000 ADT cycles, indicating that the incorporation of PCNFs to form a hybrid support could result in corrosion resistance.

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“…The worldwide energy crisis prompted extensive and methodical study into energy conversion and storage. [1][2][3][4] Electrocatalytic oxygen reduction reactions (ORR), [5,6] hydrogen evolution reactions (HER) [7] and oxygen evolution reactions (OER) [8] play an important role in various energy technologies, including fuel cells [9][10][11][12] and water splitting. [13][14][15] The development of efficient electrocatalysts for energy conversion and storage is particularly critical.…”

Section: Introductionmentioning

confidence: 99%

Metal‐Organic‐Framework‐derived Co Nanoparticles Embedded in P, N‐Dual‐doped Porous Carbon/rGO Catalyst for Water Splitting and Oxygen Reduction

et al. 2022

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Co nanoparticles embedded in P, N ‐dual doped porous carbon/rGO (P, N‐PCCo/rGO) were obtained through electrostatic interaction and high‐temperature pyrolysis with good electrical conductivity and ultrahigh specific surface area. At a current density of 10 mA cm−2, the overpotentials of P,N‐PCCo/rGO during acidic hydrogen evolution (HER) and alkaline oxygen evolution (OER) are 89 mV and 235 mV, respectively. The performance is significantly enhanced with increasing current density, even better than commercial Pt/C and IrO2 in electrocatalytic water splitting. Besides, P,N‐PCCo/rGO have a large half‐wave potential (∼0.872 V) and kinetic current Jk (11.76 mA cm−2) for oxygen evolution reaction (ORR). GO together with porous carbon constrains the growth of Co particles based on assisted synthesis. P, N co‐doped Co particles cause lattice defects of carbon, which form multiple active sites and provide more reaction channels for active species, thereby improving the HER, OER and ORR performance of the P,N‐PCCo/rGO trifunctional catalyst. GO‐assisted preparation of ultra‐thin porous P,N‐PCCo/rGO samples has laid a solid foundation for designing and implementing a series of multifunctional catalysts for graphene oxide‐based heteroatoms (N, P, S, etc.) doped with non‐noble metal embedded porous carbon.

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Recent Progress of Electrospun Nanofibers for Zinc–Air Batteries

Cited by 46 publications

References 123 publications

Electronic modulation of cobalt–molybdenum oxideviaTe doping embedded in a carbon matrix for superior overall water splitting

Electronic modulation of cobalt–molybdenum oxideviaTe doping embedded in a carbon matrix for superior overall water splitting

The Oxygen Reduction Performance of Pt Supported on the Hybrid of Porous Carbon Nanofibers and Carbon Black

Metal‐Organic‐Framework‐derived Co Nanoparticles Embedded in P, N‐Dual‐doped Porous Carbon/rGO Catalyst for Water Splitting and Oxygen Reduction

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