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Zhang Z, Chen S, Zhang H, Yao C, Zhang W, Qu T, Wang T, Wang H, Lang X, Cai K. In situ self-assembled NdBa 0.5Sr 0.5Co 2O 5+δ/Gd 0.1Ce 0.9O 2-δ hetero-interfaces enable enhanced electrochemical activity and CO 2 durability for solid oxide fuel cells. J Colloid Interface Sci 2024; 655:157-166. [PMID: 37931555 DOI: 10.1016/j.jcis.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/29/2023] [Accepted: 11/01/2023] [Indexed: 11/08/2023]
Abstract
The development of solid oxide fuel cells (SOFCs) faces impediments in terms of challenges associated with oxygen reduction activity and CO2 durability. Therefore, a series of novel composite cathode materials, consisting of NdBa0.5Sr0.5Co2O5+δ (NBSC) and Gd0.1Ce0.9O2-δ (GDC), were designed and synthesized using a one-pot strategy through a self-assembly process. The incorporation of GDC leads to a significant increase in the number of active sites. Furthermore, it alters the anisotropic transport properties of oxygen ions within layered double perovskite materials, consequently creating a three-dimensional conduit for O2- transportation. Simultaneously, the in-situ formation of closely intertwined heterogeneous interfaces between NBSC and GDC particles can facilitate the charge transfer processes and oxygen ion transport, thereby improving the kinetics of the oxygen reduction reaction (ORR). The NBSC-10GDC cathode, prepared through the one-pot method, exhibits reduced polarization resistances and enhanced CO2 tolerance in comparison to the mechanically mixed cathode. At 750 °C, the one-pot NBSC-10GDC exhibits a low area-specific resistance (ASR) of 0.029 Ω cm2, which is 69.8% lower than the ASR of single-phase NBSC and 42.0% lower than mechanically mixed NBSC-10GDC. Additionally, the one-pot NBSC-10GDC demonstrates a remarkable maximum power density (MPD) of 1.36 W cm-2 at 750 °C. These findings highlight the considerable potential of the one-pot NBSC-10GDC as a promising material for SOFC cathode.
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Affiliation(s)
- Zhe Zhang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Sigeng Chen
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Haixia Zhang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Chuangang Yao
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China.
| | - Wenwen Zhang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Tingting Qu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Tan Wang
- Beijing Key Laboratory for Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Haocong Wang
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
| | - Xiaoshi Lang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Kedi Cai
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China.
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Priebe A, Michler J. Review of Recent Advances in Gas-Assisted Focused Ion Beam Time-of-Flight Secondary Ion Mass Spectrometry (FIB-TOF-SIMS). MATERIALS (BASEL, SWITZERLAND) 2023; 16:2090. [PMID: 36903205 PMCID: PMC10003971 DOI: 10.3390/ma16052090] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/21/2023] [Accepted: 02/26/2023] [Indexed: 06/18/2023]
Abstract
Time-of-flight secondary ion mass spectrometry (TOF-SIMS) is a powerful chemical characterization technique allowing for the distribution of all material components (including light and heavy elements and molecules) to be analyzed in 3D with nanoscale resolution. Furthermore, the sample's surface can be probed over a wide analytical area range (usually between 1 µm2 and 104 µm2) providing insights into local variations in sample composition, as well as giving a general overview of the sample's structure. Finally, as long as the sample's surface is flat and conductive, no additional sample preparation is needed prior to TOF-SIMS measurements. Despite many advantages, TOF-SIMS analysis can be challenging, especially in the case of weakly ionizing elements. Furthermore, mass interference, different component polarity of complex samples, and matrix effect are the main drawbacks of this technique. This implies a strong need for developing new methods, which could help improve TOF-SIMS signal quality and facilitate data interpretation. In this review, we primarily focus on gas-assisted TOF-SIMS, which has proven to have potential for overcoming most of the aforementioned difficulties. In particular, the recently proposed use of XeF2 during sample bombardment with a Ga+ primary ion beam exhibits outstanding properties, which can lead to significant positive secondary ion yield enhancement, separation of mass interference, and inversion of secondary ion charge polarity from negative to positive. The implementation of the presented experimental protocols can be easily achieved by upgrading commonly used focused ion beam/scanning electron microscopes (FIB/SEM) with a high vacuum (HV)-compatible TOF-SIMS detector and a commercial gas injection system (GIS), making it an attractive solution for both academic centers and the industrial sectors.
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Yue Z, Jiang L, Chen Z, Ai N, Zou Y, Jiang SP, Guan C, Wang X, Shao Y, Fang H, Luo Y, Chen K. Ultrafine, Dual-Phase, Cation-Deficient PrBa 0.8Ca 0.2Co 2O 5+δ Air Electrode for Efficient Solid Oxide Cells. ACS APPLIED MATERIALS & INTERFACES 2023; 15:8138-8148. [PMID: 36719322 DOI: 10.1021/acsami.2c21172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Nanostructured air electrodes play a crucial role in improving the electrocatalytic activity of oxygen reduction and evolution reactions in solid oxide cells (SOCs). Herein, we report the fabrication of a nanostructured BaCoO3-decorated cation-deficient PrBa0.8Ca0.2Co2O5+δ (PBCC) air electrode via a combined modification and direct assembly approach. The modification approach endows the dual-phase air electrode with a large surface area and abundant oxygen vacancies. An intimate air electrode-electrolyte interface is in situ constructed with the formation of a catalytically active Co3O4 bridging layer via electrochemical polarization. The corresponding single cell exhibits a peak power density of 2.08 W cm-2, an electrolysis current density of 1.36 A cm-2 at 1.3 V, and a good operating stability at 750 °C for 100 h. This study provides insights into the rational design and facile utilization of an active and stable nanostructured air electrode of SOCs.
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Affiliation(s)
- Zhongwei Yue
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Lizhen Jiang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Zhiyi Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Na Ai
- Fujian College Association Instrumental Analysis Center, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Yuanfeng Zou
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Foshan, Guangdong 528216, China
| | - San Ping Jiang
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Foshan, Guangdong 528216, China
| | - Chengzhi Guan
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Xin Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Yanqun Shao
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Huihuang Fang
- National Engineering Research Center of Chemical Fertilizer Catalyst (NERC-CFC), College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China
| | - Yu Luo
- National Engineering Research Center of Chemical Fertilizer Catalyst (NERC-CFC), College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China
| | - Kongfa Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
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Facile preparation of electrodes of efficient electrolyte-supported solid oxide fuel cells using a direct assembly approach. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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He S, Zou Y, Chen K, Li N, Li D, Jiang SP. A critical review on nano-structured electrodes of solid oxide cells. Chem Commun (Camb) 2022; 58:10619-10626. [DOI: 10.1039/d2cc03877c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Renewable energies from solar and wind power are playing an ever increasing role in meeting the tremendous global energy demand with substantially reduced carbon emissions, however, their intermittent nature poses...
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Klyndyuk AI, Chizhova EA, Kharytonau DS, Medvedev DA. Layered Oxygen-Deficient Double Perovskites as Promising Cathode Materials for Solid Oxide Fuel Cells. MATERIALS 2021; 15:ma15010141. [PMID: 35009288 PMCID: PMC8746150 DOI: 10.3390/ma15010141] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 12/18/2021] [Accepted: 12/22/2021] [Indexed: 11/16/2022]
Abstract
Development of new functional materials with improved characteristics for solid oxide fuel cells (SOFCs) and solid oxide electrolysis cells (SOECs) is one of the most important tasks of modern materials science. High electrocatalytic activity in oxygen reduction reactions (ORR), chemical and thermomechanical compatibility with solid electrolytes, as well as stability at elevated temperatures are the most important requirements for cathode materials utilized in SOFCs. Layered oxygen-deficient double perovskites possess the complex of the above-mentioned properties, being one of the most promising cathode materials operating at intermediate temperatures. The present review summarizes the data available in the literature concerning crystal structure, thermal, electrotransport-related, and other functional properties (including electrochemical performance in ORR) of these materials. The main emphasis is placed on the state-of-art approaches to improving the functional characteristics of these complex oxides.
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Affiliation(s)
- Andrei I. Klyndyuk
- Department of Physical, Colloid and Analytical Chemistry, Organic Substances Technology Faculty, Belarusian State Technological University, Sverdlova 13a, 220006 Minsk, Belarus;
- Correspondence:
| | - Ekaterina A. Chizhova
- Department of Physical, Colloid and Analytical Chemistry, Organic Substances Technology Faculty, Belarusian State Technological University, Sverdlova 13a, 220006 Minsk, Belarus;
| | - Dzmitry S. Kharytonau
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Niezapominajek 8, 30-239 Krakow, Poland;
| | - Dmitry A. Medvedev
- Laboratory of Electrochemical Devices Based on Solid Oxide Proton Electrolytes, Institute of High Temperature Electrochemistry, Ural Branch of Russian Academy of Sciences, 620660 Ekaterinburg, Russia;
- Hydrogen Energy Laboratory, Ural Federal University, 620002 Ekaterinburg, Russia
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