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Wang S, Lu M, Xia X, Wang F, Xiong X, Ding K, Pang Z, Li G, Xu Q, Hsu HY, Hu S, Ji L, Zhao Y, Wang J, Zou X, Lu X. A universal and scalable transformation of bulk metals into single-atom catalysts in ionic liquids. Proc Natl Acad Sci U S A 2024; 121:e2319136121. [PMID: 38408257 DOI: 10.1073/pnas.2319136121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 01/17/2024] [Indexed: 02/28/2024] Open
Abstract
Single-atom catalysts (SACs) with maximized metal atom utilization and intriguing properties are of utmost importance for energy conversion and catalysis science. However, the lack of a straightforward and scalable synthesis strategy of SACs on diverse support materials remains the bottleneck for their large-scale industrial applications. Herein, we report a general approach to directly transform bulk metals into single atoms through the precise control of the electrodissolution-electrodeposition kinetics in ionic liquids and demonstrate the successful applicability of up to twenty different monometallic SACs and one multimetallic SAC with five distinct elements. As a case study, the atomically dispersed Pt was electrodeposited onto Ni3N/Ni-Co-graphene oxide heterostructures in varied scales (up to 5 cm × 5 cm) as bifunctional catalysts with the electronic metal-support interaction, which exhibits low overpotentials at 10 mA cm-2 for hydrogen evolution reaction (HER, 30 mV) and oxygen evolution reaction (OER, 263 mV) with a relatively low Pt loading (0.98 wt%). This work provides a simple and practical route for large-scale synthesis of various SACs with favorable catalytic properties on diversified supports using alternative ionic liquids and inspires the methodology on precise synthesis of multimetallic single-atom materials with tunable compositions.
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Affiliation(s)
- Shujuan Wang
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Minghui Lu
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Xuewen Xia
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Fei Wang
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Xiaolu Xiong
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Kai Ding
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Zhongya Pang
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Guangshi Li
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Qian Xu
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Hsien-Yi Hsu
- Department of Materials Science and Engineering, School of Energy and Environment, City University of Hong Kong, Kowloon Tong, Hong Kong, China
| | - Shen Hu
- School of Microelectronics, Fudan University, Shanghai 200433, China
| | - Li Ji
- School of Microelectronics, Fudan University, Shanghai 200433, China
| | - Yufeng Zhao
- Institute of Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Jing Wang
- Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066000, China
| | - Xingli Zou
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Xionggang Lu
- State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
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Chen K, Kim GC, Kim C, Yadav S, Lee IH. Engineering core-shell hollow-sphere Fe 3O 4@FeP@nitrogen-doped-carbon as an advanced bi-functional electrocatalyst for highly-efficient water splitting. J Colloid Interface Sci 2024; 657:684-694. [PMID: 38071817 DOI: 10.1016/j.jcis.2023.11.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/26/2023] [Accepted: 11/28/2023] [Indexed: 01/02/2024]
Abstract
Given the rapidly increasing energy demand and environmental pollution, to achieve energy conservation and emission reduction, hydrogen production has emerged as a promising alternative to traditional fossil fuels because of its high gravimetric energy density, and renewable and environmentally friendly characteristics. Herein, a core-shell hollow-sphere Fe3O4@FeP@nitrogen-doped-carbon (labeled as H-Fe3O4@FeP@NC) with a dual-interface, novel morphology, and superior conductivity is prepared as an advanced bi-functional electrocatalyst for electrochemical overall water splitting using a collaborative strategy comprising of facile self-assembly and phosphating. The prepared catalyst exhibits superior electrocatalytic activity compared to H-Fe3O4@NC and H-Fe3O4 for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Additionally, the overpotential of H-Fe3O4@FeP@NC for OER/HER (258/165 mV at 10 mA/cm2) is significantly lower than those of H-Fe3O4@NC (274/209 mV) and H-Fe3O4 (287/213 mV) at 10 mA/cm2. Meanwhile, the as-synthesized H-Fe3O4@FeP@NC, as an electrode pair, displays a low cell voltage of 1.69 V at 10 mA/cm2 and excellent stability after 100 h, indicating its practical application for overall water splitting. This work presents a practical and economical strategy toward the fabrication of catalyst for efficient water splitting and fuel cell.
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Affiliation(s)
- Kai Chen
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Gyu-Cheol Kim
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Chiyeop Kim
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Sunny Yadav
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - In-Hwan Lee
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea.
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Wang D, Zhang C, Hu J, Zhuang T, Lv Z. Nitriding-reduction fabrication of coralloid CoN/Ni/NiO for efficient electrocatalytic overall water splitting. J Colloid Interface Sci 2024; 655:217-225. [PMID: 37939405 DOI: 10.1016/j.jcis.2023.11.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/10/2023]
Abstract
The introduction of nitride in Ni/NiO-based catalytic system for electrocatalystic water splitting via a skillful strategy remains a great challenge. Herein, we proposed a one-step urea nitriding-reduction strategy for the fabrication of novel CoN/Ni/NiO electrocatalyst on carbon cloth (CC). The combination of CoN and Ni/NiO could construct CoN/Ni interface and expose more active sites, thus exhibiting excellent hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) performance in alkaline media. Consequently, CoN/Ni/NiO catalyst exhibited remarkable HER/OER performance with an overpotential of 92 mV/114 mV at 10 mA cm-2 in 1.0 M KOH, along with a low cell voltage of 1.56 V to enhance overall water splitting. In addition, when CoN was introduced in Ni/NiO system, CoN/Ni/NiO displayed high conductivity, large active surface areas, high Faradic efficiency (FE) and remarkable stability. Density functional theory (DFT) calculations demonstrated that CoN/Ni/NiO possessed a decreased d-band center beneficial for optimizing the energy barrier of intermediates. Specifically, the ΔGH2O (0.088 eV) and ΔGH* (0.18 eV) in HER and the ΔGOOH* (1.4 eV) of rate determining step (O*→OOH*) in OER of CoN/Ni/NiO catalyst were optimized to achieve high water splitting activity. Simultaneously, for adsorbed H2O on CoN/Ni/NiO, the OH bond length extended from 0.975 to 1.110 Å, and the bond angle enlarged from 104.271 to 109.471°, thereby directly demonstrating the excellent HER/OER performance of CoN/Ni/NiO.
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Affiliation(s)
- Deling Wang
- State Key Laboratory Base for Eco-chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Chao Zhang
- State Key Laboratory Base for Eco-chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, China.
| | - Jinguang Hu
- Department of Chemical & Petroleum Engineering, Schulich School of Engineering, Calgary, Alberta T2N 1N4, Canada
| | - Tao Zhuang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao 266042, Shandong, China.
| | - Zhiguo Lv
- State Key Laboratory Base for Eco-chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
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Ghorui UK, Show B, Roy D, Basak A, Adhikary B, Mondal A. Strategically Designed Pd-Induced Changes in Alkaline Hydrogen Evolution Reaction and Oxygen Evolution Reaction Performances of Electrochemical Water Oxidation by the Galvanically Synthesized MoO 2/MoO 3 Composite Thin Film. ACS Appl Mater Interfaces 2024; 16:3460-3475. [PMID: 38224570 DOI: 10.1021/acsami.3c16499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
Electrochemical water oxidation is believed to be an effective pathway to produce clean, carbon-free, and environmentally sustainable green energy. In this work, we report a simple, easy-to-construct, facile, low-cost, and single-step galvanic technique to synthesize a Pd-supported temperature-assisted MoOx thin film nanocomposite for effective water oxidation. The most suitable nanocomposite exhibits very low overpotential at 10 mA/cm2 with smaller Tafel slope values for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) processes in an alkaline medium. The formation of a metal oxide-metal junction accelerates the growth of more active sites, promoting induced electronic synergism at the MoOx-Pd interface. This endows higher electrical conductivity and faster electron transfer kinetics, thus accelerating the faster water dissociation reaction following the Tafel-Volmer mechanism to boost the HER process in an alkaline medium. The excellent electrochemical HER and OER performances of our electrocatalyst even supersede the accomplishments of the benchmark catalysts Pt/C and RuO2. Moreover, neither of these two catalysts demonstrates both catalytic reactions, i.e., HER and OER at the same time, which have been observed for our synthesized catalyst. Our findings illustrate the potential of a thin-film MoOx-Pd nanocomposite to be an exceedingly effective electrocatalyst developed by interface engineering strategies. This also provides insight into designing several other semiconductor composite catalysts using simple synthesis techniques for highly efficient HER/OER processes that could be alternatives to benchmark electrocatalysts for water electrolysis.
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Affiliation(s)
- Uday Kumar Ghorui
- Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | | | - Dipayan Roy
- School of Materials Science and Nanotechnology, Jadavpur University, Kolkata 700032, India
| | - Arindam Basak
- Thin Film Photovoltaic Lab, School of Electronics Engineering, KIIT-Deemed to Be University, Bhubaneswar 751024, Odisha, India
| | - Bibhutosh Adhikary
- Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Anup Mondal
- Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
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Jin Z, Lv J, Jia H, Liu W, Li H, Chen Z, Lin X, Xie G, Liu X, Sun S, Qiu HJ. Nanoporous Al-Ni-Co-Ir-Mo High-Entropy Alloy for Record-High Water Splitting Activity in Acidic Environments. Small 2019; 15:e1904180. [PMID: 31596058 DOI: 10.1002/smll.201904180] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/18/2019] [Indexed: 06/10/2023]
Abstract
Ir-based binary and ternary alloys are effective catalysts for the electrochemical oxygen evolution reaction (OER) in acidic solutions. Nevertheless, decreasing the Ir content to less than 50 at% while maintaining or even enhancing the overall electrocatalytic activity and durability remains a grand challenge. Herein, by dealloying predesigned Al-based precursor alloys, it is possible to controllably incorporate Ir with another four metal elements into one single nanostructured phase with merely ≈20 at% Ir. The obtained nanoporous quinary alloys, i.e., nanoporous high-entropy alloys (np-HEAs) provide infinite possibilities for tuning alloy's electronic properties and maximizing catalytic activities owing to the endless element combinations. Particularly, a record-high OER activity is found for a quinary AlNiCoIrMo np-HEA. Forming HEAs also greatly enhances the structural and catalytic durability regardless of the alloy compositions. With the advantages of low Ir loading and high activity, these np-HEA catalysts are very promising and suitable for activity tailoring/maximization.
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Affiliation(s)
- Zeyu Jin
- School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, 518055, China
| | - Juan Lv
- Department of Precision Instrument, Tsinghua University, Beijing, 100084, China
| | - Henglei Jia
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China
| | - Weihong Liu
- School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, 518055, China
| | - Huanglong Li
- Department of Precision Instrument, Tsinghua University, Beijing, 100084, China
| | - Zuhuang Chen
- School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, 518055, China
| | - Xi Lin
- School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, 518055, China
| | - Guoqiang Xie
- School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, 518055, China
| | - Xingjun Liu
- School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, 518055, China
- Shenzhen R&D Center for Al-based Hydrogen Hydrolysis Materials, Harbin Institute of Technology, Shenzhen, 518055, China
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Shenzhen, 518055, China
| | - Shuhui Sun
- Institut National de la Recherche Scientifique-Énergie Matériaux et Télécommunications, Varennes, QC, J3X 1S2, Canada
| | - Hua-Jun Qiu
- School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, 518055, China
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Zhang W, Ma X, Zhong C, Ma T, Deng Y, Hu W, Han X. Pyrite-Type CoS 2 Nanoparticles Supported on Nitrogen-Doped Graphene for Enhanced Water Splitting. Front Chem 2018; 6:569. [PMID: 30519558 PMCID: PMC6258795 DOI: 10.3389/fchem.2018.00569] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 11/01/2018] [Indexed: 11/13/2022] Open
Abstract
It is extremely meaningful to develop cheap, highly efficient, and stable bifunctional electrocatalysts for both hydrogen and oxygen evolution reactions (HER and OER) to promote large-scale application of water splitting technology. Herein, we reported the preparation of CoS2 nanoparticles supported on nitrogen-doped graphene (CoS2@N-GN) by one-step hydrothermal method and the enhanced electrochemical efficacy for catalyzing hydrogen and oxygen in water electrolysis. The CoS2@N-GN composites are composed of nitrogen-doped graphene and CoS2 nanocrystals with the average size of 73.5 nm. Benefitting from the improved electronic transfer and synergistic effect, the as-prepared CoS2@N-GN exhibits remarkable OER and HER performance in 1.0 M KOH, with overpotentials of 243 mV for OER and 204 mV for HER at 10 mA cm-2, and the corresponding Tafel slopes of 51.8 and 108 mV dec-1, respectively. Otherwise, the CoS2@N-GN hybrid also presents superior long-term catalytic durability. Moreover, an alkaline water splitting device assembled by CoS2@N-GN as both anode and cathode can achieve a low cell voltage of 1.53 V at 60 °C with a high faraday efficiency of 100% for overall water splitting. The tremendously enhanced electrochemical behaviors arise from favorable factors including small sized, homogenously dispersed novel CoS2 nanocrystals and coupling interaction with the underlying conductive nitrogen-doped graphene, which would provide insight into the rational design of transition metal chalcogenides for highly efficient and durable hydrogen and oxygen-involved electrocatalysis.
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Affiliation(s)
- Wei Zhang
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin, China
| | - Xiaoya Ma
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin, China
| | - Cheng Zhong
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin, China.,Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, China
| | - Tianyi Ma
- Discipline of Chemistry, University of Newcastle, Callaghan, Newcastle, NSW, Australia
| | - Yida Deng
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin, China.,Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, China
| | - Wenbin Hu
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin, China.,Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, China
| | - Xiaopeng Han
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin, China.,Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin, China.,Research Institute of Tsinghua University in Shenzhen, Guangdong, China
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