Electrodeposited graphene hybridized graphitic carbon nitride anchoring ultrafine palladium nanoparticles for remarkable methanol electrooxidation

Fang, Difan; Yang, Liming; Yang, Guang; Yi, Genping; Feng, Yufa; Shao, Ping; Shi, Hui; Yu, Kai; You, Deng; Luo, Xubiao

doi:10.1016/j.ijhydene.2020.05.273

Cited by 20 publications

(8 citation statements)

References 41 publications

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“…However, many reports have proved that the marriage of g-C 3 N 4 with conductive carbon materials can serve as advanced substrates for accelerated MOR. [150][151][152][153] For example, Zhang et al covalently coupled g-C 3 N 4 with carbon nanotubes to support Pt clusters and the prepared hybrid has strong catalyst-support interactions (Figure 9i). [154] XPS and theoretical calculations identify that compared with Pt-CNT, the 𝜋-bonded planar g-C 3 N 4 keeps the immobilized Pt with more metallic properties and makes it more energetically favorable in multi-step reaction pathways (Figure 9j).…”

Section: Heterostructured Catalysts With Functional Substratesmentioning

confidence: 99%

“…However, many reports have proved that the marriage of g‐C 3 N 4 with conductive carbon materials can serve as advanced substrates for accelerated MOR. [ 150–153 ] For example, Zhang et al. covalently coupled g‐C 3 N 4 with carbon nanotubes to support Pt clusters and the prepared hybrid has strong catalyst–support interactions (Figure 9i).…”

Section: Advanced Electrocatalysts For Mor: From Nanosized Catalysts ...mentioning

confidence: 99%

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Toward Electrocatalytic Methanol Oxidation Reaction: Longstanding Debates and Emerging Catalysts

et al. 2023

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The study of direct methanol fuel cells (DMFCs) has lasted around 70 years, since the first investigation in the early 1950s. Though enormous effort has been devoted in this field, it is still far from commercialization. The methanol oxidation reaction (MOR), as a semi‐reaction of DMFCs, is the bottleneck reaction that restricts the overall performance of DMFCs. To date, there has been intense debate on the complex six‐electron reaction, but barely any reviews have systematically discussed this topic. To this end, the controversies and progress regarding the electrocatalytic mechanisms, performance evaluations as well as the design science toward MOR electrocatalysts are summarized. This review also provides a comprehensive introduction on the recent development of emerging MOR electrocatalysts with a focus on the innovation of the alloy, core–shell structure, heterostructure, and single‐atom catalysts. Finally, perspectives on the future outlook toward study of the mechanisms and design of electrocatalysts are provided.

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Section: Heterostructured Catalysts With Functional Substratesmentioning

confidence: 99%

Section: Advanced Electrocatalysts For Mor: From Nanosized Catalysts ...mentioning

confidence: 99%

Toward Electrocatalytic Methanol Oxidation Reaction: Longstanding Debates and Emerging Catalysts

et al. 2023

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“…Such features were attributed to the favorable rGO conductivity and the complete exposure of Pd nanoparticles to methanol molecules. 250 Atom-pair catalysts (APCs) were produced using transition-metal-doped g-CN monolayers for the nitrogen reduction reaction (NRR), and the electrochemical mechanism was theoretically defined. In the case of the Fe 2 @CN and Co 2 @CN catalysts, the limiting potentials were −0.47 and −0.78 V, respectively.…”

Section: Modification and Functionalizationmentioning

confidence: 99%

“…The electrochemical results revealed that the hybrid had a high current density of 0.131 mA cm –2 and long-term stability, suggesting its great electrocatalytic efficiency toward methanol oxidation. Such features were attributed to the favorable rGO conductivity and the complete exposure of Pd nanoparticles to methanol molecules . Atom-pair catalysts (APCs) were produced using transition-metal-doped g-CN monolayers for the nitrogen reduction reaction (NRR), and the electrochemical mechanism was theoretically defined.…”

Section: X N Y -Based Electrocatalytic Applicationsmentioning

confidence: 99%

Advances in Carbon Nitride-Based Materials and Their Electrocatalytic Applications

et al. 2022

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As a group of large-surface-area nonmetal materials, polymeric carbon nitride (C x N y ) and its hybrid structures are nowadays of ever-increasing interest for use in energy devices involved in energy conversion and storage, offering low expenses and facile production processes. With the growing requirement for clean and renewable energy generation and storage systems, progress in the replacement of expensive noble-metal catalysts with C x N y -based materials as efficient electrocatalysts has expanded considerably, and the demand for these materials has increased. The modified C x N y architectures are beneficial to electrocatalytic applications, improving their moderate electrical conductivities and capacity loss. The present review strives to highlight the recent advances in the research on the aforementioned identities of C x N y -derived materials and their structurally modified polymorphs. This review also discusses the use of C x N y -based materials in fuel cells, metal–air batteries, water splitting cells, and supercapacitor applications. Herein, we deal with electrocatalytic oxidation and reduction reactions such as hydrogen evolution, oxygen evolution, oxygen reduction, CO2 reduction, nitrogen reduction, etc. Each device has been studied for a clearer understanding of the patent applications, and the relevant experiments are reviewed separately. Additionally, the role of C x N y -derived materials in some general redox reactions capable of being exploited in any of the relevant devices is included.

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“…[1,2] Specifically, ultrafine noble MNPs (<5 nm) are widely used in light energy conversion, adsorption induction, electro-catalysis, and other fields because of their large specific surface area and exposed atomic reactive sites. [3][4][5][6][7][8] Recently, the utilization of ultrafine gold nanoparticles (Au NPs) in biology and chemistry has gradually increased due to their catalytic and bactericidal properties. [9,10] Nevertheless, high surface energy and metal leakage often lead to severe metal agglomeration and loss of catalyst, which further reduces the catalytic activity and cycle stability of the catalyst.…”

Section: Introductionmentioning

confidence: 99%

Ultrafine Gold Nanoparticles Anchored on Pyridine‐Inner‐Functionalized Hollow Porous Organic Nanospheres for Highly Efficient Heterogeneous Catalysis

Yang

Gao

Liu

et al. 2023

Macro Chemistry & Physics

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The development of metal nanoparticles (MNPs) loaded on porous materials with high efficiency and stability is significant importance for heterogeneous catalysis. Herein, ultrafine Au NPs are prepared and anchored on hollow porous organic nanospheres (Au@HPONs) with polylactide-b-poly(4-vinylpyridine)-b-polystyrene (PLA-b-P4VP-b-PS) triblock copolymers as precursors and pyridine as the coordination group. In this strategy, pyridine functional groups can coordinate with the Au NPs and uniformly disperse them in the carrier. Due to its hollow porous structure, high specific surface area, and physicochemical stability, the obtained Au@HPONs nanocomposite shows excellent catalytic performance and cycling ability for the oxidation of benzyl alcohol and the reduction of 4-nitrophenol.

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Electrodeposited graphene hybridized graphitic carbon nitride anchoring ultrafine palladium nanoparticles for remarkable methanol electrooxidation

Cited by 20 publications

References 41 publications

Toward Electrocatalytic Methanol Oxidation Reaction: Longstanding Debates and Emerging Catalysts

Toward Electrocatalytic Methanol Oxidation Reaction: Longstanding Debates and Emerging Catalysts

Advances in Carbon Nitride-Based Materials and Their Electrocatalytic Applications

Ultrafine Gold Nanoparticles Anchored on Pyridine‐Inner‐Functionalized Hollow Porous Organic Nanospheres for Highly Efficient Heterogeneous Catalysis

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