Ligand-Confinement-Induced Catalyst–Support Interface Interactions in Co3O4-Supported RuO2 for Long-Term Stable Acidic Oxygen Evolution Reaction DOI

Ruo‐Yao Fan,

Haijun Liu,

Jing-Ke Ren

и другие.

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер 12(6), С. 2313 - 2323

Опубликована: Янв. 27, 2024

The proton exchange membrane (PEM) water hydrolyzer is crucial to promoting the sustainable development of hydrogen energy and facilitating large-scale transformation. However, achieving sustained stable oxygen evolution reaction (OER) in acidic solutions presents a significant challenge for noniridium based electrocatalysts. Herein, we develop Co3O4-supported RuO2 electrocatalyst with optimized catalyst–support interface interactions breaking activity–stability trade-off relationship OER. Through detailed electrochemical experiments characterization analysis, demonstrate that crystal growth Co3O4 support can be precisely regulated by modifying ligand layer-confined domain cobalt-based metal–organic frameworks (Co-MOF) precursor, thereby optimizing RuO2/Co3O4 interface. Due weakened self-sacrifice effect Co3O4, active heterogeneous electron interaction impeccable coating effect, OER stability RuO2/Co3O4–B3DC significantly improved compared while preserving intrinsic activity. Theoretical modeling suggests formation optimizes adsorption intermediates, process. Additionally, anode demonstrates promising potential application PEM electrolyzers variety renewable energy-driven electrolytic cells.

Язык: Английский

Surface engineering for stable electrocatalysis DOI
Viet‐Hung Do, Jong‐Min Lee

Chemical Society Reviews, Год журнала: 2024, Номер 53(5), С. 2693 - 2737

Опубликована: Янв. 1, 2024

Unprecedented insights into electrochemical surface dynamics from operando studies inspire electronic and topographical strategies, paving the way for sustained electrocatalytic performance across HER, OER, ORR, CO 2 RR applications.

Язык: Английский

Процитировано

64
D‐Orbital Manipulated Ru Nanoclusters for High‐Efficiency Overall Water Splitting at Industrial‐Level Current Densities DOI
Chenfei Zhao, Jing Wang, Ya Gao

и другие.

Advanced Functional Materials, Год журнала: 2023, Номер 34(7)

Опубликована: Окт. 30, 2023

Abstract Owing to the Pt‐like electrocatalytic capability and moderate price, Ru‐based catalysts are considered as Pt alternatives for electrochemical water splitting. However, they demonstrate limited catalytic performance under industrial‐level current densities. Herein, a novel electrocatalyst with an extremely low amount (0.85 wt.%) of Ru nanoclusters anchored on Cr‐doped Fe‐metal–organic frameworks (Ru@Cr─FeMOF) through robust Cr─O─Ru bond is presented. The study unveils that such architecture facilitates fast electron transfer manipulates highest occupied d orbital d‐band centers sites, favoring both oxygen evolution reaction (OER) hydrogen (HER) catalysis. as‐prepared catalyst performs excellent activity 21 mV@10 mA cm −2 HER 230 mV@50 OER in alkaline solution, realizes water‐splitting at densities (1.72 V@1000 ), surpassing state‐of‐the‐art literatures.

Язык: Английский

Процитировано

55
Manipulation of Electron Spins with Oxygen Vacancy on Amorphous/Crystalline Composite-Type Catalyst DOI
Linfeng Li, Xia Zhang, Muhammad Humayun

и другие.

ACS Nano, Год журнала: 2023, Номер 18(1), С. 1214 - 1225

Опубликована: Дек. 27, 2023

By substituting the oxygen evolution reaction (OER) with anodic urea oxidation (UOR), it not only reduces energy consumption for green hydrogen generation but also allows purification of urea-rich wastewater. Spin engineering d orbital and oxygen-containing adsorbates has been recognized as an effective pathway enhancing performance electrocatalysts. In this work, we report fabrication a bifunctional electrocatalyst composed amorphous RuO2-coated NiO ultrathin nanosheets (a-RuO2/NiO) abundant amorphous/crystalline interfaces (HER) UOR. Impressively, 1.372 V voltage is required to attain current density 10 mA cm–2 over electrolyzer. The increased vacancies in a-RuO2/NiO by incorporation RuO2 enhance total magnetization entail numerous spin-polarized electrons during reaction, which speeds up UOR kinetics. functional theory study reveals that promote charge-carrier transfer, tailored d-band center endows optimized adsorption oxygen-generated intermediates. This kind vacancy induced toward boosting HER kinetics provides reliable reference exploration advanced

Язык: Английский

Процитировано

51
Dual Doping of B and Fe Activated Lattice Oxygen Participation for Enhanced Oxygen Evolution Reaction Activity in Alkaline Freshwater and Seawater DOI

Yajuan Pan,

Zhichong Wang, Kaixuan Wang

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер 34(37)

Опубликована: Май 6, 2024

Abstract The exploitation of highly activity oxygen evolution reaction (OER) electrocatalysts is critical for the application electrocatalytic water splitting. Triggering lattice mechanism (LOM) expected to provide a promising pathway overcome sluggish OER kinetics, however, effectively enhancing involvement remains challenging. In this study, fabrication B, Fe co‐doped CoP (B, Fe─CoP) nanofibers reported, which serve as efficient electrocatalyst through phosphorization and boronation treatment Fe‐doped Co 3 O 4 nanofibers. Experimental results combined with theoretical calculations reveal that simultaneous incorporation both B can more trigger participation in CoFe oxyhydroxides reconstructed from Fe─CoP compared incorporating only or Fe. Therefore, optimized exhibit superb low overpotentials 361 376 mV at 1000 mA cm −2 alkaline freshwater natural seawater, respectively. present work provides significant guidelines innovative design concepts development following LOM pathway.

Язык: Английский

Процитировано

35
Lignin‐Metal Supramolecular Framework Strategy of Self‐Healing Carbon‐Coated CoRu Alloy Nanocatalyst for Efficient Overall Water Splitting DOI
Xuliang Lin,

Dalang Chen,

Xueqing Qiu

и другие.

Advanced Energy Materials, Год журнала: 2024, Номер 14(32)

Опубликована: Июнь 19, 2024

Abstract Common precursors for carbon materials typically include petroleum‐based polymers or MOF materials. However, these often encounter challenges such as metal aggregation, high cost, and metals leaching. In this work, a novel of approach lignin‐metal supramolecular framework complex (MSF@Lignin) is introduced. These complexes are formed through oxidative ammonolysis lignin (OAL) to synthesize nitrogen‐doped carbon‐encapsulated CoRu nanocatalyst (CoRu@OALC) via in situ carbonization. CoRu@OALC exhibited exceptional performance both HER (90 mV) OER (200 at the current density 10 mA cm −2 , with an overall water splitting voltage 1.5 V outstanding stability under density. During pyrolysis process, became encapsulated by lignin‐derived carbon, occurring within temperature range 600–700 °C. catalytic active sites primarily located defects showcasing unique “self‐healing” phenomenon layer. Oxygen‐containing intermediates ( * OH, O, OOH) facilitated reconstruction on layer, while hydrogen‐containing H) contributed reappearance defect‐rich structure.

Язык: Английский

Процитировано

32
Directed electron transport induced surface reconstruction of 2D NiFe-LDH/Stanene heterojunction catalysts for efficient oxygen evolution DOI
Ze Sheng Lu, Jingkun Wang, Pengfei Zhang

и другие.

Applied Catalysis B Environment and Energy, Год журнала: 2024, Номер 353, С. 124073 - 124073

Опубликована: Апрель 17, 2024

Язык: Английский

Процитировано

29
Hydrogen spillover effect tuning the rate-determining step of hydrogen evolution over Pd/Ir hetero-metallene for industry-level current density DOI
Kai Deng,

Zilong Lian,

Wenxin Wang

и другие.

Applied Catalysis B Environment and Energy, Год журнала: 2024, Номер 352, С. 124047 - 124047

Опубликована: Апрель 21, 2024

Язык: Английский

Процитировано

29
Interfacial Electronic Interactions Between Ultrathin NiFe‐MOF Nanosheets and Ir Nanoparticles Heterojunctions Leading to Efficient Overall Water Splitting DOI Creative Commons
Cong Li, Wei Zhang, Yongyong Cao

и другие.

Advanced Science, Год журнала: 2024, Номер 11(28)

Опубликована: Апрель 26, 2024

Abstract Creating specific noble metal/metal‐organic framework (MOF) heterojunction nanostructures represents an effective strategy to promote water electrolysis but remains rather challenging. Herein, a electrocatalyst is developed by growing Ir nanoparticles on ultrathin NiFe‐MOF nanosheets supported nickel foam (NF) via readily accessible solvothermal approach and subsequent redox strategy. Because of the electronic interactions between nanosheets, optimized Ir@NiFe‐MOF/NF catalyst exhibits exceptional bifunctional performance for hydrogen evolution reaction (HER) ( η 10 = 15 mV, denotes overpotential) oxygen (OER) 213 mV) in 1.0 m KOH solution, superior commercial recently reported electrocatalysts. Density functional theory calculations are used further investigate shedding light mechanisms behind enhanced HER OER performance. This work details promising design development efficient electrocatalysts overall splitting.

Язык: Английский

Процитировано

23
Recent advances in hydrogen production coupled with alternative oxidation reactions DOI

Guoliang Gao,

Zixu Sun, Xueli Chen

и другие.

Coordination Chemistry Reviews, Год журнала: 2024, Номер 509, С. 215777 - 215777

Опубликована: Март 26, 2024

Язык: Английский

Процитировано

20
Subnanometric Osmium Clusters Confined on Palladium Metallenes for Enhanced Hydrogen Evolution and Oxygen Reduction Catalysis DOI

P. Prabhu,

Viet‐Hung Do, Takefumi Yoshida

и другие.

ACS Nano, Год журнала: 2024, Номер 18(14), С. 9942 - 9957

Опубликована: Март 29, 2024

Highly efficient, cost-effective, and durable electrocatalysts, capable of accelerating sluggish reaction kinetics attaining high performance, are essential for developing sustainable energy technologies but remain a great challenge. Here, we leverage facile heterostructure design strategy to construct atomically thin Os@Pd metallenes, with atomic-scale Os nanoclusters varying geometries confined on the surface layer Pd lattice, which exhibit excellent bifunctional properties catalyzing both hydrogen evolution (HER) oxygen reduction reactions (ORR). Importantly, Os5%@Pd metallenes manifest low η10 overpotential only 11 mV in 1.0 M KOH electrolyte as well highly positive E1/2 potential 0.92 V 0.1 (ORR), along superior mass activities electrochemical durability. Theoretical investigations reveal that strong electron redistribution between elements renders precise fine-tuning respective d-band centers, thereby guiding adsorption intermediates an appropriate binding optimal HER ORR.

Язык: Английский

Процитировано

20