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Kim YH, Jeong H, Won BR, Jeon H, Park CH, Park D, Kim Y, Lee S, Myung JH. Nanoparticle Exsolution on Perovskite Oxides: Insights into Mechanism, Characteristics and Novel Strategies. NANO-MICRO LETTERS 2023; 16:33. [PMID: 38015283 PMCID: PMC10684483 DOI: 10.1007/s40820-023-01258-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 10/19/2023] [Indexed: 11/29/2023]
Abstract
Supported nanoparticles have attracted considerable attention as a promising catalyst for achieving unique properties in numerous applications, including fuel cells, chemical conversion, and batteries. Nanocatalysts demonstrate high activity by expanding the number of active sites, but they also intensify deactivation issues, such as agglomeration and poisoning, simultaneously. Exsolution for bottom-up synthesis of supported nanoparticles has emerged as a breakthrough technique to overcome limitations associated with conventional nanomaterials. Nanoparticles are uniformly exsolved from perovskite oxide supports and socketed into the oxide support by a one-step reduction process. Their uniformity and stability, resulting from the socketed structure, play a crucial role in the development of novel nanocatalysts. Recently, tremendous research efforts have been dedicated to further controlling exsolution particles. To effectively address exsolution at a more precise level, understanding the underlying mechanism is essential. This review presents a comprehensive overview of the exsolution mechanism, with a focus on its driving force, processes, properties, and synergetic strategies, as well as new pathways for optimizing nanocatalysts in diverse applications.
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Affiliation(s)
- Yo Han Kim
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Hyeongwon Jeong
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Bo-Ram Won
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Hyejin Jeon
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Chan-Ho Park
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Dayoung Park
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Yeeun Kim
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Somi Lee
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Jae-Ha Myung
- Department of Materials Science and Engineering, Incheon National University, Incheon, 22012, Republic of Korea.
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Song L, Chen D, Pan J, Hu X, Shen X, Huan Y, Wei T. B-Site Super-Excess Design Sr 2V 0.4Fe 0.9Mo 0.7O 6-δ-Ni 0.4 as a Highly Active and Redox-Stable Solid Oxide Fuel Cell Anode. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48296-48303. [PMID: 37812387 DOI: 10.1021/acsami.3c11271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
In-situ exsolution type perovskites as solid oxide fuel cell (SOFCs) anode materials have received widespread attention because of their excellent catalytic activity. In this study, excessive NiO is introduced to the Sr2V0.4Fe0.9Mo0.7O6-δ (SVFMO) perovskite with the B-site excess design, and in-situ growth of FeNi3 alloy nanoparticles is induced in the reducing atmosphere to form the Sr2V0.4Fe0.9Mo0.7O6-δ-Ni0.4 (SVFMO-Ni0.4) composite anode. Here, with H2 or CH4 as SOFCs fuel gas, the formation of FeNi3 nanoparticles further enhances the catalytic ability. Compared with SVFMO, the maximum power density (Pmax) of Sr2V0.4Fe0.9Mo0.7O6-δ-Ni0.4 (SVFMO-Ni0.4) increases from 538 to 828 mW cm-2 at 850 °C with hydrogen as the fuel gas, and the total polarization resistance (RP) decreases from 0.23 to 0.17 Ω cm2. In addition, the long-term operational stability of the SVFMO-Ni0.4 anode shows no apparent performance degradation for more than 300 h. Compared with SVFMO, the Pmax of SVFMO-Ni0.4 increases from 138 to 464 mW cm-2 with methane as fuel gas, and the RP decreases from 1.21 to 0.29 Ω cm2.
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Affiliation(s)
- Lemei Song
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
| | - Dezhi Chen
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
| | - Jianlong Pan
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
| | - Xun Hu
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
| | - Xuesong Shen
- Shandong Guochuang Fuel Cell Technology Innovation Center Co., Ltd., Weifang, Shandong 261061, China
| | - Yu Huan
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
| | - Tao Wei
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
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Nitric acid free cyclohexane to adipic acid production using nickel and vanadium incorporated AlPO-5 molecular sieve. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.113051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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Ruh T, Berkovec D, Schrenk F, Rameshan C. Exsolution on perovskite oxides: morphology and anchorage of nanoparticles. Chem Commun (Camb) 2023; 59:3948-3956. [PMID: 36916176 PMCID: PMC10065136 DOI: 10.1039/d3cc00456b] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
Abstract
Perovskites are very promising materials for a wide range of applications (such as catalysis, solid oxide fuel cells…) due to beneficial general properties (e.g. stability at high temperatures) and tunability - doping both A- and B-site cations opens the path to a materials design approach that allows specific properties to be finely tuned towards applications. A major asset of perovskites is the ability to form nanoparticles on the surface under certain conditions in a process called "exsolution". Exsolution leads to the decoration of the material's surface with finely dispersed nanoparticles (which can be metallic or oxidic - depending on the experimental conditions) made from B-site cations of the perovskite lattice (here, doping comes into play, as B-site doping allows control over the constitution of the nanoparticles). In fact, the ability to undergo exsolution is one of the main reasons that perovskites are currently a hot topic of intensive research in catalysis and related fields. Exsolution on perovskites has been heavily researched in the last couple of years: various potential catalysts have been tested with different reactions, the oxide backbone materials and the exsolved nanoparticles have been investigated with a multitude of different methods, and the effect of different exsolution parameters on the resulting nanoparticles has been studied. Despite all this, to our knowledge no comprehensive effort was made so far to evaluate these studies with respect to the effect that the exsolution conditions have on anchorage and morphology of the nanoparticles. Therefore, this highlight aims to provide an overview of nanoparticles exsolved from oxide-based perovskites with a focus on the conditions leading to nanoparticle exsolution.
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Affiliation(s)
- Thomas Ruh
- Chair of Physical Chemistry, Montanuniversity Leoben, 8700 Leoben, Austria. .,Institute of Materials Chemistry, TU Wien, 1060 Vienna, Austria
| | | | - Florian Schrenk
- Chair of Physical Chemistry, Montanuniversity Leoben, 8700 Leoben, Austria.
| | - Christoph Rameshan
- Chair of Physical Chemistry, Montanuniversity Leoben, 8700 Leoben, Austria. .,Institute of Materials Chemistry, TU Wien, 1060 Vienna, Austria
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Lee JJ, Kim K, Kim KJ, Kim HJ, Lee YM, Shin TH, Han JW, Lee KT. In-situ exsolution of Ni nanoparticles to achieve an active and stable solid oxide fuel cell anode catalyst on A-site deficient La0.4Sr0.4Ti0.94Ni0.06O3-δ. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.07.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Kogularasu S, Akilarasan M, Chen SM, Sheu JK. Scalable and sustainable synthetic assessment between solid-state metathesis and sonochemically derived electrocatalysts (strontium molybdate) for the precise anti-androgen bicalutamide (Casodex™) detection. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Yang C, Zhu Q, Sadakane M, Zhang Z, Li Y, Ueda W. Vanadium-Enhanced Intramolecular Redox Property of a Transition-Metal Oxide Molecular Wire. Inorg Chem 2020; 59:16557-16566. [PMID: 33100003 DOI: 10.1021/acs.inorgchem.0c02485] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Transition-metal oxide molecular wires are inorganic 1D polymers with elemental diversity. The properties of the materials are tuned by tuning the chemical compositions. The phosphovanadomolybdate molecular wire is synthesized, which is an isostructural material of the phosphomolybdate molecular wire. V is randomly located in the crystal to form {[(HPIIIO3)(MoVI5O15)(VVO3)]3-}n, which is incorporated into the material after the formation of the phosphomolybdate molecular wire. The heat-triggered redox reaction via the intramolecular electron-transfer and oxygen-transfer procedure is promoted after V substitution. Oxygen transfers from {VVO6} to {HPIIIO3}, and an electron transfers from {HPIIIO3} to {VVO6} with oxidation of the triangle {HPIIIO3} to the corner-sharing tetrahedral {PV2O7} and reduction of the octahedral {VVO6} to the pyramidal {VIVO5}. The material shows catalytic activity for the aerobic oxidation of alcohol to aldehyde, and good activity with high selectivity is obtained.
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Affiliation(s)
- Caona Yang
- School of Material Science and Chemical Engineering, Ningbo University, Fenghua Road 818, Ningbo, Zhejiang 315211, P. R. China
| | - Qianqian Zhu
- School of Material Science and Chemical Engineering, Ningbo University, Fenghua Road 818, Ningbo, Zhejiang 315211, P. R. China
| | - Masahiro Sadakane
- Department of Applied Chemistry, Hiroshima University, 1-4-1 Kagamiyama, Higashi Hiroshima 739-8527, Japan
| | - Zhenxin Zhang
- School of Material Science and Chemical Engineering, Ningbo University, Fenghua Road 818, Ningbo, Zhejiang 315211, P. R. China
| | - Yanshuo Li
- School of Material Science and Chemical Engineering, Ningbo University, Fenghua Road 818, Ningbo, Zhejiang 315211, P. R. China
| | - Wataru Ueda
- Faculty of Engineering, Kanagawa University, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
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Sreedhar I, Agarwal B, Goyal P, Agarwal A. An overview of degradation in solid oxide fuel cells-potential clean power sources. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04584-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Qiu P, Yang X, Wang W, Wei T, Lu Y, Lin J, Yuan Z, Jia L, Li J, Chen F. Redox-Reversible Electrode Material for Direct Hydrocarbon Solid Oxide Fuel Cells. ACS APPLIED MATERIALS & INTERFACES 2020; 12:13988-13995. [PMID: 32149494 DOI: 10.1021/acsami.0c00922] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Solid oxide fuel cells (SOFCs) can directly operate on hydrocarbon fuels such as natural gas; however, the widely used nickel-based anodes face grand challenges such as coking, sulfur poisoning, and redox instability. We report a novel double perovskite oxide Sr2Co0.4Fe1.2Mo0.4O6-δ (SCFM) that possesses excellent redox reversibility and can be used as both the cathode and the anode. When heat-treated at 900 °C in a reducing environment, double perovskite phase SCFM transforms into a composite of the Ruddlesden-Popper structured oxide Sr3Co0.1Fe1.3Mo0.6O7-δ (RP-SCFM) with the Co-Fe alloy nanoparticles homogeneously distributed on the surface of RP-SCFM. At 900 °C in an oxidizing atmosphere, the composite transforms back into the double perovskite phase SCFM. The excellent oxygen reduction reaction catalytic activity and mixed ionic-electronic conductivity make SCFM an excellent cathode material for SOFCs. When SCFM is used as the anode, excellent performance and stability are achieved upon either direct oxidation of methane as a fuel or operation with sulfur-containing fuels. The excellent redox reversibility coupled with outstanding electrical and catalytic properties manifested by SCFM will enable a broad application in energy conversion applications.
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Affiliation(s)
- Peng Qiu
- Department of Mechanical Engineering, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Xin Yang
- Department of Mechanical Engineering, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Wanhua Wang
- Department of Mechanical Engineering, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Tong Wei
- Center for Fuel Cell Innovation, School of Materials Science and Engineering, State Key Lab of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yanying Lu
- Department of Mechanical Engineering, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Jie Lin
- Department of Mechanical Engineering, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Zhihao Yuan
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Lichao Jia
- Center for Fuel Cell Innovation, School of Materials Science and Engineering, State Key Lab of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Jian Li
- Center for Fuel Cell Innovation, School of Materials Science and Engineering, State Key Lab of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Fanglin Chen
- Department of Mechanical Engineering, University of South Carolina, Columbia, South Carolina 29208, United States
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Abstract
This perspective gives the reader a broad overview of the progress that has been made in understanding the physics of the exsolution process and its exploitation in electrochemical devices in the last five years. On the basis of this progress, the community is encouraged to pursue unreported and under-reported opportunities for the advancement of exsolution in electrochemical applications through new materials discovery.
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