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学者姓名：邵艳群
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Abstract ：
La0.9Sr0.1Ga0.8Mg0.2O3 (LSGM) with an extraordinary oxygen-ion conductivity has been extensively studied as an electrolyte material for intermediate temperature solid oxide cells (SOCs). However, the conventional hightemperature sintering process of electrodes results in detrimental reaction between LSGM and Ni-based hydrogen electrode and microstructural coarsening of the electrode. Herein, a buffer-layer-free LSGM electrolyte-supported single cell with a nanostructured Ni-Gd0.1Ce0.9O1.95 (GDC) electrode is developed using a sintering-free fabrication approach. The cell exhibits a peak power density of 1.23 W cm-2 at 800 degrees C and an electrolysis current density of 1.85 A cm-2 at 1.5 V with excellent operating stability. The good performance and durability is owing to the synergistic effects of the elimination of elemental interdiffusion at the electrode/ electrolyte interface, polarization induced in situ formation of hetero-interfaces between Ni-GDC and LSGM, and remarkable structural stability of Ni-GDC. This study provides an innovative means for the development of efficient and durable buffer-layer-free LSGM-supported SOCs.
Keyword ：
Buffer -layer -free Buffer -layer -free Elemental interdiffusion Elemental interdiffusion Interface formation Interface formation Nanostructure Nanostructure Sintering -free Sintering -free
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| GB/T 7714 | Qian, Jiaqi , Lin, Changgen , Chen, Zhiyi et al. High-performance, stable buffer-layer-free La0.9Sr0.1Ga0.8Mg0.2O3 electrolyte-supported solid oxide cell with a nanostructured nickel-based hydrogen electrode [J]. | APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY , 2024 , 346 . |
| MLA | Qian, Jiaqi et al. "High-performance, stable buffer-layer-free La0.9Sr0.1Ga0.8Mg0.2O3 electrolyte-supported solid oxide cell with a nanostructured nickel-based hydrogen electrode" . | APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY 346 (2024) . |
| APA | Qian, Jiaqi , Lin, Changgen , Chen, Zhiyi , Huang, Jiongyuan , Ai, Na , Jiang, San Ping et al. High-performance, stable buffer-layer-free La0.9Sr0.1Ga0.8Mg0.2O3 electrolyte-supported solid oxide cell with a nanostructured nickel-based hydrogen electrode . | APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY , 2024 , 346 . |
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Abstract ：
Perovskite oxide La0.9Sr0.1Ga0.8Mg0.2O3 (LSGM) is an intermedium-temperature solid oxide cell electrolyte material with extraordinary oxygen-ion conductivity. However, the manufacturing procedures of LSGM discs are complex involving multiple steps of powder preparation, forming, and sintering at high temperatures. Herein, thin LSGM electrolyte discs are prepared by coupling of tape casting and in situ solid-state reaction using oxides/carbonates as the feedstock. A pure-phase LSGM electrolyte disc with uniform elemental distribution is obtained by sintering at 1450 degrees C, and it possesses an ionic conductivity of 0.105 S cm(1) at 800 degrees C, a thermal expansion coefficient of 12.2 x 10(6) K-1, and a bending strength of 156 MPa A 170 mu m thick LSGM electrolyte-supported single cell delivers a peak power density of 0.96 W cm(2) at 800 degrees C and an electrolysis current density of 1.82 A cm(2) at 1.5 V with no noticeable degradation for 200 h. The findings of this research provide a cost-effective approach for manufacturing the LSGM electrolytes of efficient and durable solid oxide cells.
Keyword ：
Electrolyte-support Electrolyte-support LSGM LSGM Solid oxide cells Solid oxide cells Solid-state reaction Solid-state reaction Tape casting Tape casting
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| GB/T 7714 | Lin, Changgen , Zhang, Yongmei , Qian, Jiaqi et al. Coupling of tape casting and in situ solid-state reaction for manufacturing La0.9Sr0.1Ga0.8Mg0.2O3 electrolyte of efficient solid oxide cells [J]. | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY , 2024 , 44 (6) : 3818-3823 . |
| MLA | Lin, Changgen et al. "Coupling of tape casting and in situ solid-state reaction for manufacturing La0.9Sr0.1Ga0.8Mg0.2O3 electrolyte of efficient solid oxide cells" . | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 44 . 6 (2024) : 3818-3823 . |
| APA | Lin, Changgen , Zhang, Yongmei , Qian, Jiaqi , Chen, Zhiyi , Huang, Jiongyuan , Ai, Na et al. Coupling of tape casting and in situ solid-state reaction for manufacturing La0.9Sr0.1Ga0.8Mg0.2O3 electrolyte of efficient solid oxide cells . | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY , 2024 , 44 (6) , 3818-3823 . |
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Transition metal sulfides are used in the field of supercapacitors due to their remarkable electrical conductivity and superior energy density. However, few research has been conducted on how the sulfidation process affects the structure and electrochemical properties of electrodes. The nanoneedle array Zn-Mn-Co sulfide (ZMC-S/NF) electrode is prepared by directly growing on nickel foam (NF) via a two-step hydrothermal technique. During the first step, the Zn-Mn-Co carbonate hydroxide nanoneedle skeleton can be obtained. During the second step, the nanoneedle skeletons are etched, and rough nanoneedle arrays are created by the introduced sulfur ions,i.e., the sulfidation process. The ZMC-S/NF electrode exhibits a specific capacity of 1401.0 C g−1 at 2 A g−1. It still has excellent rate performance with a specific capacity of 1015.3 C g−1 at 20 A g−1. Moreover, it exhibits excellent cycling stability with 81.9% capacity retention after 10,000 cycles. ZMC-S/NF as the cathode and activated carbon (AC) as the anode are assembled to be a hybrid supercapacitor (HSC), which has an energy density of 43.4 Wh kg−1 at a power density of 700.4 W kg−1. The effect of adding Zn and Mn to the Co3S4 on energy band structure and density of states during the sulfidation process is calculated by the DFT. The HSC devices constructed by two series-connected ZMC-S/NF//AC can light a star made by ten 1.8 V-red Light Emitting Diodes (LEDs) for 10 minutes. © 2024
Keyword ：
Activated carbon Activated carbon Cobalt compounds Cobalt compounds Density functional theory Density functional theory Electrochemical electrodes Electrochemical electrodes Manganese compounds Manganese compounds Musculoskeletal system Musculoskeletal system Nanoneedles Nanoneedles Supercapacitor Supercapacitor Ternary alloys Ternary alloys Transition metals Transition metals Zinc sulfide Zinc sulfide
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| GB/T 7714 | Wang, Hongtao , Zhao, Kun , Shao, Yanqun et al. ZnMnCo-S nanoneedle arrays as battery-type eletrodes for high-performance hybrid supercapacitors [J]. | Materials Today Communications , 2024 , 39 . |
| MLA | Wang, Hongtao et al. "ZnMnCo-S nanoneedle arrays as battery-type eletrodes for high-performance hybrid supercapacitors" . | Materials Today Communications 39 (2024) . |
| APA | Wang, Hongtao , Zhao, Kun , Shao, Yanqun , Xiao, Shengtao , Yang, Zhiguang , Chen, Zhe et al. ZnMnCo-S nanoneedle arrays as battery-type eletrodes for high-performance hybrid supercapacitors . | Materials Today Communications , 2024 , 39 . |
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Phosphates are a kind of promising electrode materials because they can provide numerous cavities and several reaction sites to be favored for storing anions and cations. However, the widespread application of phosphates are limited by their intrinsically low electronic conductivity. RuO 2 /hydrated RuO 2 exhibits high conductivity and excellent electrochemical properties. Reducing its dosage and increasing its specific surface area are the research concerns. Combining less RuO 2 to Nickel phosphate (NiP) is expected to improve the electrochemical performance. RuO 2 -modified NiP (NiP-RuO 2 ) electrode material is synthesized by a one-step hydrothermal reaction and its structural morphology and capacitive properties are investigated. The results indicate that NiPRuO 2 electrode consists of hydrated RuO 2 and Ni 11 (HPO 3 ) 8 (OH) 6 , and exhibits excellent battery -type electrochemical supercapacitor performance with a specific capacity of 878.06 C/g at 1 A/g. According to density functional theory (DFT) analysis, Ru-doped Ni 11 (HPO 3 ) 8 (OH) 6 has a narrower forbidden band width and higher conductivity than Ni 11 (HPO 3 ) 8 (OH) 6 . Furthermore, the asymmetric supercapacitor (ASC) assembled by NiPRuO 2 /NF and activated carbon (AC) electrode achieves a high energy density (43.58 Wh/kg) at a power density of 923.47 W/kg. When two ASC devices are connected in series, ten light -emitting diodes (LEDs) can be illuminated for ten minutes.
Keyword ：
Asymmetric supercapacitors Asymmetric supercapacitors DFT DFT HydratedRuO2 HydratedRuO2 Ni11(HPO3)8(OH)6 Ni11(HPO3)8(OH)6
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| GB/T 7714 | Zhao, Kun , Wang, Hongtao , Shao, Yanqun et al. A battery-type cathode with RuO2 modified Ni11 (HPO3 )8(OH)6 for asymmetric supercapacitors [J]. | ELECTROCHIMICA ACTA , 2024 , 488 . |
| MLA | Zhao, Kun et al. "A battery-type cathode with RuO2 modified Ni11 (HPO3 )8(OH)6 for asymmetric supercapacitors" . | ELECTROCHIMICA ACTA 488 (2024) . |
| APA | Zhao, Kun , Wang, Hongtao , Shao, Yanqun , Yang, Zhiguang , Chen, Zhe , Chen, Kongfa et al. A battery-type cathode with RuO2 modified Ni11 (HPO3 )8(OH)6 for asymmetric supercapacitors . | ELECTROCHIMICA ACTA , 2024 , 488 . |
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Protonic ceramic fuel cells (PCFCs) are characterized by a low activation energy for proton conduction and a high fuel utilization efficiency at low -to -intermediate temperatures. However, the sluggish oxygen reduction reaction kinetics on the cathodes drastically limit the power output performance of PCFCs. Herein, multiphase Gd 0.1 Ce 0.9 O 1.95 - BaGd 0.8 La 0.2 Co 2 O 6- delta (GDC-BGLC) nanocomposite cathodes are prepared by coupling selfassembly and sintering -free electrode construction methods. The nanocomposite cathode comprises mixed H + /e - conducting BGLC and O 2- conducting GDC and BaCoO 3 nanoparticles, and these phases are homogeneously mixed with coherent heterointerfaces. The nanocomposite cathode exhibits a significant increase in surface oxygen vacancies and three-phase boundaries, enhanced catalytic activity, and reduced activation energy for the oxygen reduction and water formation reactions. The results imply that the oxygen reduction and water formation reactions on the multiphase GDC-BGLC nanocomposite electrodes are most likely the dissociation, reduction and diffusion of oxygen species, which in turn is affected by the water vapor formed. An anodesupported single cell with the GDC-BGLC cathode exhibits a peak power density of 810 mW cm -2 at 700 degrees C with excellent operating stability at 650 degrees C for 110 h. This study provides a new strategy for the preparation of a high-performance and durable nanocomposite cathode for PCFCs.
Keyword ：
Heterointerface Heterointerface Nanocomposite cathode Nanocomposite cathode Protonic ceramic fuel cells (PCFCs) Protonic ceramic fuel cells (PCFCs) Reaction mechanism Reaction mechanism Self -assembly Self -assembly
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| GB/T 7714 | Liao, Dan , Jia, Lichao , Xu, Jianghui et al. Self-assembled Gd 0.1 Ce 0.9 O 1.95-BaGd 0.8 La 0.2 Co 2 O 6-δ nanocomposite cathode for efficient protonic ceramic fuel cells [J]. | CERAMICS INTERNATIONAL , 2024 , 50 (13) : 22574-22582 . |
| MLA | Liao, Dan et al. "Self-assembled Gd 0.1 Ce 0.9 O 1.95-BaGd 0.8 La 0.2 Co 2 O 6-δ nanocomposite cathode for efficient protonic ceramic fuel cells" . | CERAMICS INTERNATIONAL 50 . 13 (2024) : 22574-22582 . |
| APA | Liao, Dan , Jia, Lichao , Xu, Jianghui , Chen, Zhiyi , Huang, Jiongyuan , Ai, Na et al. Self-assembled Gd 0.1 Ce 0.9 O 1.95-BaGd 0.8 La 0.2 Co 2 O 6-δ nanocomposite cathode for efficient protonic ceramic fuel cells . | CERAMICS INTERNATIONAL , 2024 , 50 (13) , 22574-22582 . |
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Metal-supported solid oxide fuel cells (SOFCs) have the merits of quick startup, low cost, and excellent robustness, however, there is a lack of understanding on the effect of thermally driven elemental diffusion. Herein, we investigate the role of elemental diffusion on the evolution of morphologies and electrochemical performance of Ni-Fe alloy supported Ni-yttria stabilized zirconia (YSZ) anode and YSZ electrolyte film. The results show that during the co-sintering process at high temperatures, there is significant diffusion of Fe element from the Ni-Fe oxide substrate to the anode and electrolyte. The elemental diffusion leads to the formation of a NiO core/NiFe2O4 shell structure in the anode and dissolution of Fe cations in the YSZ lattices of anode and electrolyte, but also significantly enhances the sinterability of both layers. The negative effect of Fe diffusion induced microstructure coarsening is largely compensated by the formation of an electrocatalytically active Ni-Fe alloy in the reduced anode. The present work provides insights into the design and development of effi-cient metal-supported SOFCs by taking advantage of elemental diffusion.
Keyword ：
Elemental diffusion Elemental diffusion Metallic substrate Metallic substrate Microstructure coarsening Microstructure coarsening Solid oxide fuel cells Solid oxide fuel cells
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| GB/T 7714 | Lin, Xu , Xu, Jianghui , Chen, Zhiyi et al. Thermally driven long-distance elemental diffusion enhances the sinterability of anode and electrolyte of metal-supported solid oxide fuel cells [J]. | JOURNAL OF POWER SOURCES , 2023 , 555 . |
| MLA | Lin, Xu et al. "Thermally driven long-distance elemental diffusion enhances the sinterability of anode and electrolyte of metal-supported solid oxide fuel cells" . | JOURNAL OF POWER SOURCES 555 (2023) . |
| APA | Lin, Xu , Xu, Jianghui , Chen, Zhiyi , Ai, Na , Lue, Zhe , Jiang, San Ping et al. Thermally driven long-distance elemental diffusion enhances the sinterability of anode and electrolyte of metal-supported solid oxide fuel cells . | JOURNAL OF POWER SOURCES , 2023 , 555 . |
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Nanofibers have great promise as a highly active air electrode for reversible solid oxide cells (ReSOCs); however, one thorny issue is how to adhesively stick nanofibers to electrolyte with no damage to the original morphology. Herein, PrBa0.8Ca0.2Co2O5+delta (PBCC) nanofibers are applied as an air electrode by a facile direct assembly approach that leads to the retention of most of the unique microstructure of nanofibers, and firm adhesion of the nanofiber electrode onto the electrolyte is achieved by applying electrochemical polarization. A single cell with the PBCC nanofiber air electrode exhibits excellent maximum power density (1.97 W cm-2), electrolysis performance (1.3 A cm-2 at 1.3 V), and operating stability at 750 degrees C for 200 h. These findings provide a facile means for the utilization of nanofiber electrodes for high-performance and durable ReSOCs.
Keyword ：
direct assembly direct assembly double perovskite double perovskite interface interface nanofibers nanofibers reversible solid oxide cells reversible solid oxide cells
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| GB/T 7714 | Chen, Zhiyi , Jiang, Lizhen , Yue, Zhongwei et al. Facile Approach for Improving the Interfacial Adhesion of Nanofiber Air Electrodes of Reversible Solid Oxide Cells [J]. | ACS APPLIED MATERIALS & INTERFACES , 2023 . |
| MLA | Chen, Zhiyi et al. "Facile Approach for Improving the Interfacial Adhesion of Nanofiber Air Electrodes of Reversible Solid Oxide Cells" . | ACS APPLIED MATERIALS & INTERFACES (2023) . |
| APA | Chen, Zhiyi , Jiang, Lizhen , Yue, Zhongwei , Dong, Dehua , Ai, Na , Jiang, San Ping et al. Facile Approach for Improving the Interfacial Adhesion of Nanofiber Air Electrodes of Reversible Solid Oxide Cells . | ACS APPLIED MATERIALS & INTERFACES , 2023 . |
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Degradation of cathodes caused by the gaseous Cr species from a Fe-Cr alloy interconnect is a key issue in the development of durable solid oxide fuel cells technologies. Herein, we explore the effect of infiltration of BaCO3 nanoparticles on the electrocatalytic performance and Cr-tolerance of La0.6Sr0.4Co0.2Fe0.8O3-delta (LSCF) cathodes. The BaCO3 increases the performance of LSCF and the single-cell delivers a peak power density of 1.30 W cm-2 at 800 degrees C. The BaCO3 gives rise to no Cr deposition and Sr segregation on LSCF after exposure in gaseous CrO3, while a BaCrO4 surface layer is deposited on the cathode in contact with a Fe-Cr alloy. The synergetic effects of BaCrO4 layer on mitigating the reaction between segregated Sr and Cr2O3 and the very slow kinetics of reaction between BaCO3 and CrO3 contribute to the exceptional Cr-tolerance of the BaCO3 infiltrated LSCF cathodes.
Keyword ：
BaCO3 infiltration BaCO3 infiltration Barium chromate Barium chromate Chromium-tolerance Chromium-tolerance Solid oxide fuel cells Solid oxide fuel cells
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| GB/T 7714 | Huang, Jiongyuan , Liu, Quan , Jiang, San Ping et al. Promotional role of BaCO3 on the chromium-tolerance of La0.6Sr0.4Co0.2Fe0.8O3-delta cathodes of solid oxide fuel cells [J]. | APPLIED CATALYSIS B-ENVIRONMENTAL , 2023 , 321 . |
| MLA | Huang, Jiongyuan et al. "Promotional role of BaCO3 on the chromium-tolerance of La0.6Sr0.4Co0.2Fe0.8O3-delta cathodes of solid oxide fuel cells" . | APPLIED CATALYSIS B-ENVIRONMENTAL 321 (2023) . |
| APA | Huang, Jiongyuan , Liu, Quan , Jiang, San Ping , Zhao, Ling , Ai, Na , Wang, Xin et al. Promotional role of BaCO3 on the chromium-tolerance of La0.6Sr0.4Co0.2Fe0.8O3-delta cathodes of solid oxide fuel cells . | APPLIED CATALYSIS B-ENVIRONMENTAL , 2023 , 321 . |
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Zinc-cobalt double-metal sulfides (ZCSs) with kinds of structures as electrode materials play an essential role in supercapacitors (SCs). However, their poor electronic transfer efficiency and irreversible structural damage greatly affect their practical applications. The idea of high structural stability and bimetal synergy (Zn-Co) is introduced to prepare high-perform-ance electrodes and construct hybrid supercapacitors. A unique graphite sheet-supported ZCS nanoparticle is grown on porous Ni foam (GZCS/NF) by a facile hydrothermal and ion-exchange reaction. The unique nanosheet structure with a nanosheet of about 80 nm exhibits a specific capacity of 1293.5 C g(-1) at 1 A g(-1), a relatively low charge-transfer resistance of 0.16 Omega, and superior cycling stability, which can be attributed to the excellent pseudocapacitive capacity of ZCS nanoparticles and the good chemical stability of the graphite sheet. A hybrid supercapacitor in KOH solution is assembled with GZCS/NF as the cathode and AC as the anode. The assembled GZCS/NF//AC HSC delivers a wide working voltage of 1.7 V and a specific capacity of 196.4 C g(-1) at 1 A g(-1). Its ability to light up eight red LEDs for about 7 min proves its good prospects in energy storage devices.
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| GB/T 7714 | Tan, Hao , Liu, Zhijiang , Shao, Yanqun et al. Electrodes with Unique Graphite Sheet-Supported Zn-Co-S Nanoparticles for Hybrid Supercapacitors with High Performance [J]. | ENERGY & FUELS , 2023 , 37 (5) : 4123-4131 . |
| MLA | Tan, Hao et al. "Electrodes with Unique Graphite Sheet-Supported Zn-Co-S Nanoparticles for Hybrid Supercapacitors with High Performance" . | ENERGY & FUELS 37 . 5 (2023) : 4123-4131 . |
| APA | Tan, Hao , Liu, Zhijiang , Shao, Yanqun , Ge, Pengbo , Li, Huihui , Chen, Kongfa . Electrodes with Unique Graphite Sheet-Supported Zn-Co-S Nanoparticles for Hybrid Supercapacitors with High Performance . | ENERGY & FUELS , 2023 , 37 (5) , 4123-4131 . |
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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+delta (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 degrees 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.
Keyword ：
cation defects cation defects dual-phase catalyst dual-phase catalyst electrolyte-electrode interface electrolyte-electrode interface nanostructured air electrode nanostructured air electrode solid oxide cells solid oxide cells
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| GB/T 7714 | Yue, Zhongwei , Jiang, Lizhen , Chen, Zhiyi et al. Ultrafine, Dual-Phase, Cation-Deficient PrBa0.8Ca0.2Co2O5+? Air Electrode for Efficient Solid Oxide Cells [J]. | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (6) : 8138-8148 . |
| MLA | Yue, Zhongwei et al. "Ultrafine, Dual-Phase, Cation-Deficient PrBa0.8Ca0.2Co2O5+? Air Electrode for Efficient Solid Oxide Cells" . | ACS APPLIED MATERIALS & INTERFACES 15 . 6 (2023) : 8138-8148 . |
| APA | Yue, Zhongwei , Jiang, Lizhen , Chen, Zhiyi , Ai, Na , Zou, Yuanfeng , Jiang, San Ping et al. Ultrafine, Dual-Phase, Cation-Deficient PrBa0.8Ca0.2Co2O5+? Air Electrode for Efficient Solid Oxide Cells . | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (6) , 8138-8148 . |
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