Ternary doping of phosphorus, nitrogen, and sulfur into porous carbon for enhancing electrocatalytic oxygen reduction

Wu, Jiao; Zheng, Xiangjun; Jin, Chao; Tian, Jing‐Hua; Yang, Ruizhi

doi:10.1016/j.carbon.2015.05.013

Cited by 181 publications

(66 citation statements)

References 58 publications

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“…More, owing to the unequal size and electronegativity of the heteroatoms between carbon atoms, the introduction of heteroatoms (e.g., N, S, B, and P) into carbon matrix caused electron modulation to change the charge distribution and electronic properties and induced defects and then facilitated the ORR process on Zn–air batteries cathodes . In addition, binary or ternary heteroatoms doping in carbon has been reported to achieve higher catalytic activity than single atom doping due to a synergetic effect . Choi et al first adapted ternary‐doped carbon as an ORR catalyst and the results implied that ternary doping of B, P, and N into carbon induced remarkable performance enhancements by changing charge delocalization of the carbon atoms or number of edge sites of the carbon .…”

Section: Introductionmentioning

confidence: 99%

Nitrogen, Fluorine, and Boron Ternary Doped Carbon Fibers as Cathode Electrocatalysts for Zinc–Air Batteries

Wang

et al. 2018

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Zinc-air batteries with high-density energy are promising energy storage devices for the next generation of energy storage technologies. However, the battery performance is highly dependent on the efficiency of oxygen electrocatalyst in the air electrode. Herein, the N, F, and B ternary doped carbon fibers (TD-CFs) are prepared and exhibited higher catalytic properties via the efficient 4e transfer mechanism for oxygen reduction in comparison with the single nitrogen doped CFs. More importantly, the primary and rechargeable Zn-air batteries using TD-CFs as air-cathode catalysts are constructed. When compared to batteries with Pt/C + RuO and Vulcan XC-72 carbon black catalysts, the TD-CFs catalyzed batteries exhibit remarkable battery reversibility and stability over long charging/discharging cycles.

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Section: Introductionmentioning

confidence: 99%

Nitrogen, Fluorine, and Boron Ternary Doped Carbon Fibers as Cathode Electrocatalysts for Zinc–Air Batteries

Wang

et al. 2018

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“…[15][16][17][18][19] A second application of phosphorus-doped carbon based materials is as metal-free anodes for the oxygen reduction reaction (ORR). 3,18,[20][21][22][23][24] The ORR is the key step for the generation of energy in hydrogen fuel cells, which has been touted as one way of reducing/replacing fossil fuels in automotive engines. It is the reaction used in fuel cells to reduce oxygen electrochemically and oxidise hydrogen to generate electricity (producing water as the by-product).…”

Section: Introductionmentioning

confidence: 99%

“…These methods produce phosphorus doped carbons (P-DG) but are limited to phosphorus contents of < 6 at.%. 20,21,29,31 The CVD approach has also been reported for the production of P-doped nanotubes 22,32,33 and graphene, 34 though these have both a low P content and have differing properties to bulk graphite and so are not discussed in detail here.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and extensive characterisation of phosphorus doped graphite

et al. 2016

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The pyrolysis of 1,2-diphosphinobenzene at 800 °C gives a phosphorus-doped graphite (P-DG) with an unprecedented high phosphorus content, ca. 20 at%. In contrast with previously studied boron and nitrogen doped graphite materials, thorough characterisation and analysis of this material demonstrates that it is extensively disordered and contains substitutional P-atoms along with P=O units in the host graphitic lattice, as well as P4 molecules trapped between the graphitic sheets. This represents a stablised form of P4, which has been shown to covalently bind to lithium as Li3P in this material. AbstractThe pyrolysis of 1,2-diphosphinobenzene at 800 °C gives a phosphorus-doped graphite (P-DG) with an unprecedented high phosphorus content, ca. 20 at%. In contrast with previously studied boron and nitrogen doped graphite materials, thorough characterisation and analysis of this material demonstrates that it is extensively disordered and contains substitutional P-atoms along with P=O units in the host graphitic lattice, as well as P4 molecules trapped between the graphitic sheets. This represents a stablised form of P4, which has been shown to covalently bind to lithium as Li3P in this material.

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“…The main peaks of N 1s spectra in Figure c can be fitted into pyridinic‐N, pyrrolic‐N and graphitic‐N species at around 398.5 eV, 400.3 eV and 401.2 eV . The high resolution of P 2p spectrum can be deconvoluted into P−C, P−N and P−O at around 132.6, 133.4 and 134.2 eV, respectively (Figure d) . The graphitization degree of carbon shell was evaluated by Raman spectra for MnO 2 @PANI‐800 (Figure S8).…”

Section: Resultsmentioning

confidence: 99%

Electrochemical Oxygen Reduction Reaction Performance Boosted by N, P Doped Carbon Layer over Manganese Dioxide Nanorod

Pei

Ding

et al. 2019

ChemCatChem

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Herein, heteroatoms of N and P doped carbon layer over MnO2 nanorods surface was fabricated by an in situ anile polymerization reaction based on aniline and phytic acid (MnO2@PANI) following thermal annealing. A core‐shell structure with manganese oxide as the core and N, P‐doped carbon layer as the shell was revealed by structure and morphology analysis. Temperature dependence of phase structure and ORR activity was found by a series of physical and electrochemical studies for MnO2@PANI sample obtained at different annealing temperatures. The MnO2@PANI obtained at 800 °C exhibited the best catalytic performance, close to Pt/C for ORR; Specifically, the onset potential and half‐wave potential were 0.92 and 0.76 V respectively, outperforming their counterparts of MnO2 and N, P−C alone. The improved catalytic performance can be attributed to the conductivity improvement and the synergistic effect of the intrinsic activity of manganese oxide and N, P‐doped carbon layer. The current work demonstrated an efficient approach to boost the catalytic performance for ORR catalyzed by manganese oxide.

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Ternary doping of phosphorus, nitrogen, and sulfur into porous carbon for enhancing electrocatalytic oxygen reduction

Cited by 181 publications

References 58 publications

Nitrogen, Fluorine, and Boron Ternary Doped Carbon Fibers as Cathode Electrocatalysts for Zinc–Air Batteries

Nitrogen, Fluorine, and Boron Ternary Doped Carbon Fibers as Cathode Electrocatalysts for Zinc–Air Batteries

Synthesis and extensive characterisation of phosphorus doped graphite

Electrochemical Oxygen Reduction Reaction Performance Boosted by N, P Doped Carbon Layer over Manganese Dioxide Nanorod

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