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学者姓名：陈孔发
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Abstract ：
Protonic ceramic fuel cells (PCFCs) are promising for efficient, clean energy conversion at low to intermediate temperatures, but the widely used BaZr0.1Ce0.7Y0.1Yb0.1O3-delta (BZCYYb) electrolyte has poor chemical stability in humid environments. Herein, we show that under oxygen reduction reaction (ORR) conditions, water accumulates at the BaGd0.8La0.2Co2O6-delta (BGLC) cathode-BZCYYb electrolyte interface, causing selective loss of Ba cations and decomposition of BZCYYb electrolyte. The introduction of triply ion-electron conducting La2Ce2O7-delta (LCeO) into the BGLC cathode expands its active reaction area, accelerates ORR kinetics, and suppresses water accumulation at the cathode-electrolyte interface and electrolyte decomposition. A single cell with the BGLC-LCeO composite cathode achieves a peak power density of 1.07 W cm(-2) at 700 degrees C, with no profound degradation at 0.5 A cm(-2) over 100 h. These findings provide guidance for the development of high-performance, durable PCFCs.
Keyword ：
Chemical stability Chemical stability Direct assembly Direct assembly Nanocomposite cathode Nanocomposite cathode Water accumulation Water accumulation
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| GB/T 7714 | Huang, Xin-Rong , Qian, Jia-Qi , Zhang, Hai-Peng et al. Mitigating the decomposition phenomenon at the cathode-electrolyte interface of protonic ceramic fuel cells [J]. | RARE METALS , 2025 . |
| MLA | Huang, Xin-Rong et al. "Mitigating the decomposition phenomenon at the cathode-electrolyte interface of protonic ceramic fuel cells" . | RARE METALS (2025) . |
| APA | Huang, Xin-Rong , Qian, Jia-Qi , Zhang, Hai-Peng , Chen, Zhi-Yi , Lin, Chang-Gen , Huang, Jiong-Yuan et al. Mitigating the decomposition phenomenon at the cathode-electrolyte interface of protonic ceramic fuel cells . | RARE METALS , 2025 . |
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固体氧化物电池(SOCs)是一种高效的能量存储和转换装置.然而,在SOCs运行条件下,Fe-Cr合金连接体表面挥发的铬蒸气容易沉积在空气极,导致SOCs电化学性能和长期稳定性的严重衰减.本微型综述首先介绍了燃料电池和电解模式下空气极的铬沉积和中毒现象及其相关机制,继而重点介绍学界在抑制铬中毒策略上的研究进展.本微型综述将为高活性、耐铬毒化SOCs空气极的理性设计和开发提供参考.
Keyword ：
固体氧化物电池 固体氧化物电池 空气极 空气极 表面改性 表面改性 铬中毒 铬中毒
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| GB/T 7714 | 黄炯元 , 陈志逸 , 罗玉洁 et al. 抑制固体氧化物电池空气极铬中毒策略的研究进展:微型综述 [J]. | 燃料化学学报（中英文） , 2025 , 53 (2) : 249-261 . |
| MLA | 黄炯元 et al. "抑制固体氧化物电池空气极铬中毒策略的研究进展:微型综述" . | 燃料化学学报（中英文） 53 . 2 (2025) : 249-261 . |
| APA | 黄炯元 , 陈志逸 , 罗玉洁 , 艾娜 , 蒋三平 , 陈孔发 . 抑制固体氧化物电池空气极铬中毒策略的研究进展:微型综述 . | 燃料化学学报（中英文） , 2025 , 53 (2) , 249-261 . |
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Abstract ：
Solid oxide cells (SOCs) are emerging devices for efficient energy storage and conversion. However, during SOC operation, gaseous chromium (Cr) species released from Fe-Cr alloy interconnect can lead to Cr deposition and poisoning of air electrodes, causing substantial degradation in electrochemical performance and compromising the longterm stability of SOCs. This mini-review examines the mechanism of Cr deposition and poisoning in air electrodes under both fuel-cell and electrolysis modes. Furthermore, emphasis is placed on the recent advancements in strategies to mitigate Cr poisoning, offering insights into the rational design and development of active and Cr-tolerant air electrodes for SOCs. © 2025 Science Press. All rights reserved.
Keyword ：
Chromium metallography Chromium metallography Chromium metallurgy Chromium metallurgy Electrochemical electrodes Electrochemical electrodes Electrolysis Electrolysis Hard facing Hard facing Iron alloys Iron alloys Lead alloys Lead alloys
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| GB/T 7714 | Huang, Jiongyuan , Chen, Zhiyi , Luo, Yujie et al. Advancements in chromium-tolerant air electrode for solid oxide cells: A mini-review [J]. | Journal of Fuel Chemistry and Technology , 2025 , 53 (2) : 249-261 . |
| MLA | Huang, Jiongyuan et al. "Advancements in chromium-tolerant air electrode for solid oxide cells: A mini-review" . | Journal of Fuel Chemistry and Technology 53 . 2 (2025) : 249-261 . |
| APA | Huang, Jiongyuan , Chen, Zhiyi , Luo, Yujie , Ai, Na , Jiang, Sanping , Chen, Kongfa . Advancements in chromium-tolerant air electrode for solid oxide cells: A mini-review . | Journal of Fuel Chemistry and Technology , 2025 , 53 (2) , 249-261 . |
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Layered double hydroxides (LDHs) have long been a hot research topic in supercapacitors because of their abundant reaction sites. However, LDH nanosheets tend to easily stack together during the synthesis process. Therefore, in this paper, a simple and effective stirring aging method was used to grow ZIF-67 uniformly on the surface of Ni-Mn LDH. The strategy can fully utilize the high specific surface area of ZIF-67 to provide a large number of active sites for Ni-Mn LDHs, which results in a significant increase of the capacitance contribution. The core-shell structure NM LDHs@Z has significant redox peaks and the surface redox reaction. The capacitance contribution of NM LDHs@Z increase from 21.7 % to 91.4 %. But it does not belong battery-type supercapacitors from the CV curves. It is necessary to find out a better characterization parameter to estimate the type of battery or capacitor, instead of the CV and GCD curve shapes. The Ni-Mn LDHs@ZIF-67 composites can achieve a specific capacitance of 1340 F g- 1at a current density of 1 A g-1. As the specific current density is increased to 10 A g- 1, the capacity retention can reach about 75 %, which is superior to that of the Ni-Mn LDHs (60 %). The hybrid supercapacitor is composed of Ni-Mn LDHs@ZIF-67 composite as the cathode and activated carbon (AC) as the anode with a 128 F g- 1 specific capacitance at a 1 A g- 1 current density and a 45.8 Wh kg- 1 energy density at a 850 W kg- 1 power density. The Ni-Mn LDH@ZIF-67 composites has a potential application in hybrid supercapacitors.
Keyword ：
Aggregated LDHs Aggregated LDHs Ni-Mn LDHs Ni-Mn LDHs Supercapacitors Supercapacitors ZIF-67 ZIF-67
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| GB/T 7714 | Chen, Fuqiang , Li, Jiamei , Shao, Yanqun et al. ZIF-67 wraps Ni-Mn LDHs nanosheets to enhance the capacitive contribution of supercapacitors [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 507 . |
| MLA | Chen, Fuqiang et al. "ZIF-67 wraps Ni-Mn LDHs nanosheets to enhance the capacitive contribution of supercapacitors" . | CHEMICAL ENGINEERING JOURNAL 507 (2025) . |
| APA | Chen, Fuqiang , Li, Jiamei , Shao, Yanqun , Zhu, Zhijin , Shen, Tongwei , Chen, Kongfa et al. ZIF-67 wraps Ni-Mn LDHs nanosheets to enhance the capacitive contribution of supercapacitors . | CHEMICAL ENGINEERING JOURNAL , 2025 , 507 . |
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Direct ammonia solid oxide fuel cells (DA-SOFCs) offer a promising pathway for the efficient utilization of carbon-free ammonia fuel. However, the nitridation of nickel-based cermet anodes in ammonia causes rapid microstructural coarsening, leading to durability problems. Herein, an efficient, ammonia-tolerant Fe-modified Ni-Gd0.1Ce0.9O1.95 (NiFe-GDC) nanocomposite anode is developed by coupling a self-assembly synthesis process with a sintering-free electrode fabrication technique. The as-synthesized nanocomposite oxides self-assemble into multiple phases, with GDC firmly grown on preformed NiO and NiFe2O4 nanoparticles, which are subsequently in situ alloyed in a reducing atmosphere to form a unique NiFe@GDC encapsulation structure with strong metal-oxide interactions. This NiFe-GDC nanocomposite not only provides abundant active sites for ammonia decomposition and electrochemical oxidation, but also exhibits exceptional resistance to nitridation and microstructural coarsening. Density functional theory calculations reveal that in situ-formed NiFe alloy lowers the energy barriers for ammonia adsorption and dehydrogenation while enhancing the nitrogen desorption process. An electrolyte-supported DA-SOFC with the NiFe-GDC nanocomposite anode achieves a peak power density of 0.61 W cm(-2) at 800 degrees C and exhibits outstanding operational stability for 100 h. This work offers new insights into the development of active and durable nickel-based nanocomposite anodes for DA-SOFCs.
Keyword ：
direct ammonia solid oxide fuel cells direct ammonia solid oxide fuel cells NiFe alloy nanocomposite anode NiFe alloy nanocomposite anode nitridation nitridation self-assembly self-assembly sintering-free electrode fabrication sintering-free electrode fabrication
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| GB/T 7714 | Zhang, Haipeng , Xiong, Rui , Chen, Zhiyi et al. Efficient and Robust Nanocomposite Cermet Anode with Strong Metal-Oxide Interaction for Direct Ammonia Solid Oxide Fuel Cells [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Zhang, Haipeng et al. "Efficient and Robust Nanocomposite Cermet Anode with Strong Metal-Oxide Interaction for Direct Ammonia Solid Oxide Fuel Cells" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Zhang, Haipeng , Xiong, Rui , Chen, Zhiyi , Cheng, Zixiang , Huang, Jiongyuan , Sa, Baisheng et al. Efficient and Robust Nanocomposite Cermet Anode with Strong Metal-Oxide Interaction for Direct Ammonia Solid Oxide Fuel Cells . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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Solid oxide fuel cells, one of the most efficient energy conversion devices, are prone to performance degradation induced by cation surface segregation and chromium poisoning of cathodes. Herein, we enhance the chromium-tolerance of La0.6Sr0.4Co0.2Fe0.8O3–δ (LSCF) cathode by the regulation of surface strains through modification with a nanoscale, dual-phase coating. The coating is composed of a nanoscale BaCoO3−δ conformal film and BaCeO3 nanoparticles, and the strong interactions at BaCoO3−δ/LSCF and BaCeO3/LSCF heterointerfaces impose a compressive strain on the LSCF scaffold. The strain effect significantly suppresses the strontium surface segregation and thus mitigates the chromium attack on the cathode. Further, the microstructural and phase stabilities of the coating in volatile chromium environment also contribute to the long-term operational stability of the modified LSCF cathode. A single cell with the modified LSCF cathode demonstrates an excellent peak power density of 1.46 W cm−2 at 750 °C and remarkable chromium-durability in wet air. This work opens up a new route for suppressing strontium surface segregation and chromium-poisoning of the cathodes. © 2025 Elsevier B.V.
Keyword ：
Scaffolds (biology) Scaffolds (biology) Segregation (metallography) Segregation (metallography) Surface segregation Surface segregation
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| GB/T 7714 | Huang, Jiongyuan , Qian, Jiaqi , Wang, Cheng Cheng et al. Mitigating chromium attack of cathode for durable solid oxide fuel cells through a strain regulation strategy [J]. | Chemical Engineering Journal , 2025 , 514 . |
| MLA | Huang, Jiongyuan et al. "Mitigating chromium attack of cathode for durable solid oxide fuel cells through a strain regulation strategy" . | Chemical Engineering Journal 514 (2025) . |
| APA | Huang, Jiongyuan , Qian, Jiaqi , Wang, Cheng Cheng , Chen, Zhiyi , Zhang, Haipeng , Cheng, Zixiang et al. Mitigating chromium attack of cathode for durable solid oxide fuel cells through a strain regulation strategy . | Chemical Engineering Journal , 2025 , 514 . |
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Modulation of the surface chemistry of air electrodes makes it possible to significantly improve the electrocatalytic performance of solid oxide cells (SOCs). Here, the surface chemistry of BaGd0.8La0.2Co2O6-delta (BGLC) double perovskite is modulated by treatment in an acidic citric acid solution. The treatment leads to corrosion on the surface of BGLC particles, and the effect is dependent on the acidity of the solution. As the acidity of solution is low, Ba cations are selectively dissolved out of the BGLC surface, while as the acidity increases, the corrosion becomes more homogeneous. The Ba surface deficiency remarkably increases the concentration of surface oxygen vacancies and electrocatalytic activity of BGLC. To avoid the loss of Ba-deficient surface during the conventional high temperature sintering process, a sintering-free fabrication route is utilized to directly assemble the Ba-deficient BGLC powder into an air electrode. A single cell with the surface Ba-deficient BGLC electrode shows a peak power density of 1.04 W cm(-2) at 750 degrees C and an electrolysis current density of 1.48 A cm(-2) at 1.3 V, much greater than 0.64 W cm(-2) and 1.02 A cm(-2) of the cell with the pristine BGLC, respectively. This work provides a simple and effective surface chemistry modulation strategy for the development of an efficient air electrode for SOCs.
Keyword ：
A-sitedeficiency A-sitedeficiency double perovskite double perovskite selectivecorrosion selectivecorrosion solid oxide cells solid oxide cells surface chemistry modulation surface chemistry modulation
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| GB/T 7714 | Chen, Kongfa , Weng, Qiaohang , Yue, Zhongwei et al. Surface Chemistry Modulation of BaGd0.8La0.2Co2O6-δ As Active Air Electrode for Solid Oxide Cells [J]. | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (24) : 31181-31190 . |
| MLA | Chen, Kongfa et al. "Surface Chemistry Modulation of BaGd0.8La0.2Co2O6-δ As Active Air Electrode for Solid Oxide Cells" . | ACS APPLIED MATERIALS & INTERFACES 16 . 24 (2024) : 31181-31190 . |
| APA | Chen, Kongfa , Weng, Qiaohang , Yue, Zhongwei , Huang, Jiongyuan , Qian, Jiaqi , Chen, Zhiyi et al. Surface Chemistry Modulation of BaGd0.8La0.2Co2O6-δ As Active Air Electrode for Solid Oxide Cells . | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (24) , 31181-31190 . |
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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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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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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.
Keyword ：
Density functional theory Density functional theory Hybrid supercapacitors Hybrid supercapacitors Sulfidation Sulfidation ZnMnCo-S ZnMnCo-S
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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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