Biomass-derived N-doped porous activated carbon as a high-performance and cost-effective pH-universal oxygen reduction catalyst in fuel cell

Liu, Jianting; Wei, Liling; Wang, Huiqiang; Lan, Gongjia; Yang, Haijun; Shen, Jing

doi:10.1016/j.ijhydene.2020.07.216

Cited by 45 publications

(6 citation statements)

References 57 publications

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“…This cathode however was limited by carbonate precipitation after prolonged operations. A tofu gel produced from soybeans was mixed with nitrogen and iron co-doped carbon to produce an ORR electrocatalyst [ 70 ]. They showed a maximum power output increase of 30.62% in comparison to the Pt electrode.…”

Section: Hydrogels Used In Metsmentioning

confidence: 99%

Recent Implementations of Hydrogel-Based Microbial Electrochemical Technologies (METs) in Sensing Applications

Wang

Shi

et al. 2023

Sensors

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Hydrogel materials have been used extensively in microbial electrochemical technology (MET) and sensor development due to their high biocompatibility and low toxicity. With an increasing demand for sensors across different sectors, it is crucial to understand the current state within the sectors of hydrogel METs and sensors. Surprisingly, a systematic review examining the application of hydrogel-based METs to sensor technologies has not yet been conducted. This review aimed to identify the current research progress surrounding the incorporation of hydrogels within METs and sensors development, with a specific focus on microbial fuel cells (MFCs) and microbial electrolysis cells (MECs). The manufacturing process/cost, operational performance, analysis accuracy and stability of typical hydrogel materials in METs and sensors were summarised and analysed. The current challenges facing the technology as well as potential direction for future research were also discussed. This review will substantially promote the understanding of hydrogel materials used in METs and benefit the development of electrochemical biosensors using hydrogel-based METs.

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Section: Hydrogels Used In Metsmentioning

confidence: 99%

Recent Implementations of Hydrogel-Based Microbial Electrochemical Technologies (METs) in Sensing Applications

Wang

Shi

et al. 2023

Sensors

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“…However, NOPC has the advantages of green and simple preparation. The pH-universal property of NOPC is higher than that from other carbon source of biomass and organic mixture, such as, melamine and phosphoric acid modified glucose(table S2, Entry 2) [48], hydrogen fluoride etched pyrolysis products from the mixture of iron phthalocyanine and mesoporous SBA-15 silicon template (table S2, Entry 3) [49], dicyandiamide modified clean coal (table S2, Entry 4) [50], and tofu gel (table S2, Entry 5) [51]. NOPC is a carbon material doped with N, O active sites and derived from pristine Zn-ZMOF through one-step pyrolysis.…”

Section: Orr Catalytic Performance Of Nopc In Alkaline Mediummentioning

confidence: 99%

Metal-free N and O Co-doped carbon directly derived from bicrystal Zn-based zeolite-like metal-organic frameworks as durable high-performance pH-universal oxygen reduction reaction catalyst

Zeng

Wang

et al. 2021

Nanotechnology

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A simple and green approach is studied for the preparation of a high-activity metal-free N,Ocodoped porous carbon (NOPC) electrocatalyst by one-step pyrolysis of pristine zinc-based zeolite-like metal-organic framework (Zn-ZMOF) synthesized by hydrothermal method from Zn 2+ and 4,5-imidazoledicarboxylic acid (H 3 IDC) in H 2 O solvent. It is found that the structure and electroactivity of Zn-ZMOF and NOPC vary with the molar ratio of H 3 IDC to zinc acetate. NOPC shows pH-universal electrocatalytic property for oxygen reduction reaction and its electrocatalytic performance is similar to that of Pt/C in alkaline and neutral electrolytes, and is close to that of Pt/C in acidic electrolyte, which is a relatively rare case for metal-free porous carbon derived from pristine MOF. Meanwhile, NOPC displays higher long-term stability and better tolerance to methanol and carbon monoxide poisoning than that of commercial Pt/C. The excellent performance of NOPC is mainly due to the special structure of the precursor Zn-ZMOF, and the synergism of abundant active sites, micro/mesoporous structure, large specific surface area, and high degree of graphitization.

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“…As a kind of green energy production technology, MFC can effectively alleviate the serious energy crisis and environmental pollution problems, which are widely concerned and studied by researchers at present [2] . Single‐chamber air cathode MFC is a typical MFC structure, which has been studied extensively due to its simple structure and excellent electrical performance [3] . Organic substrates are catalysed by the electrobacteria to produce electrons, while the cathode consumes electrons to drive oxygen reduction reaction.…”

Section: Introductionmentioning

confidence: 99%

“…[2] Single-chamber air cathode MFC is a typical MFC structure, which has been studied extensively due to its simple structure and excellent electrical performance. [3] Organic substrates are catalysed by the electrobacteria to produce electrons, while the cathode consumes electrons to drive oxygen reduction reaction.…”

Section: Introductionmentioning

confidence: 99%

Two‐Dimensional Ag−Fe−N/C Nanosheets as Efficient Cathode Catalyst to Improve Power‐Generation Performance of Microbial Fuel Cells

et al. 2022

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Microbial fuel cells (MFC) are expected to alleviate the energy crisis and environmental pollution. However, both the slow oxygen reduction reaction (ORR) kinetics and the formation of biofilm on the cathode prevent the efficient operation of MFC. Herein, zeolitic imidazole framework (ZIF)‐derived Ag−Fe−N/C catalysts with good electrocatalytic activity are developed by a synthetic strategy of chemisorption, calcination, and photo‐deposition. The optimal Ag−Fe−N/C‐2 has a half‐wave potential (E1/2) of 0.87 V vs. RHE in 0.1 M KOH. The MFC assembled as a cathode exhibits excellent power generation with a maximum power density of 523±7 mW m−2 and long‐term stability, which is better than commercial Pt/C. In addition, the Ag−Fe−N/C‐2 catalyst has the antibacterial ability, which affects the microbial community structure on the cathode biofilm. The results indicate that Ag−Fe−N/C as a bifunctional cathode catalyst with excellent electrocatalytic and antibacterial activity is beneficial to the efficient and long‐term stable operation of MFC.

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Biomass-derived N-doped porous activated carbon as a high-performance and cost-effective pH-universal oxygen reduction catalyst in fuel cell

Cited by 45 publications

References 57 publications

Recent Implementations of Hydrogel-Based Microbial Electrochemical Technologies (METs) in Sensing Applications

Recent Implementations of Hydrogel-Based Microbial Electrochemical Technologies (METs) in Sensing Applications

Metal-free N and O Co-doped carbon directly derived from bicrystal Zn-based zeolite-like metal-organic frameworks as durable high-performance pH-universal oxygen reduction reaction catalyst

Two‐Dimensional Ag−Fe−N/C Nanosheets as Efficient Cathode Catalyst to Improve Power‐Generation Performance of Microbial Fuel Cells

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