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学者姓名：王欣
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福州开元寺大佛是国内外现存最大的古代铁佛，其铸造年代的确定具有十分重要的意义。关于此问题存在两种主流观点：北宋元丰六年说和后梁贞明四年说。论文找出了这两种观点的各自讹误及其原委。结合先前对大铁佛所做的试验观测，总结出铁佛存在七个实证，它们均指向唐末文献《丈六金身碑》，从而推断出大铁佛正是《丈六金身碑》所描述的大佛，进而确认其铸造时日以及大事日程等重要的信息。
Keyword ：
大佛 大佛 年代 年代 日程 日程 福州开元寺 福州开元寺 铸造 铸造
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| GB/T 7714 | 唐电 , 王欣 , 陈俊锋 . 论福州开元寺大佛的铸造日程 [J]. | 铸造 , 2025 , 74 (07) : 981-986 . |
| MLA | 唐电 等. "论福州开元寺大佛的铸造日程" . | 铸造 74 . 07 (2025) : 981-986 . |
| APA | 唐电 , 王欣 , 陈俊锋 . 论福州开元寺大佛的铸造日程 . | 铸造 , 2025 , 74 (07) , 981-986 . |
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Thermally induced crystallization in sealing glass is one of the main factors in affecting their application in intermediate-temperature solid oxide fuel cells (IT-SOFCs). Herein, the influence of crystallization on the physical properties and sealing ability of BaO-MgO-Al2O3-B2O3-SiO2 (BMABS) glass are investigated. The results show that crystal phases, BaAl2Si2O8, BaMg2Si2O7, and Ba5Si8O21 are readily precipitated from the glass at a preannealing temperature of 750 degrees C, and the crystallinity reaches 44 % and 58 % after pre-annealing for 20 h and 100 h, respectively. Nevertheless, the physical properties of the pre-annealed BMABS glass fall into the requirements for IT-SOFCs. After pre-annealing at 750 degrees C for 100 h, the coefficient of thermal expansion of BMABS is 10.7 x 10-6 K-1, the electrical conductivity is 3.2 x 10- 7 S cm- 1 at 750 degrees C, and the self-healing ability is maintained. Moreover, the utilization of a stainless steel | BMABS glass | single cell sandwiched assembly assessment demonstrates excellent gas-tightness and intact sealing interfaces between the BMABS glass and adjacent components.
Keyword ：
Crystallization Crystallization Sealing glass Sealing glass Solid oxide fuel cells Solid oxide fuel cells Thermal stability Thermal stability
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| GB/T 7714 | Zheng, Jiayong , Lu, Zhenghao , Chen, Zhiyi et al. Evaluation of crystallization on the physical properties and sealing ability of BaO-MgO-Al2O3-B2O3-SiO2 glass for intermediate-temperature solid oxide fuel cells [J]. | CERAMICS INTERNATIONAL , 2025 , 51 (11) : 14723-14729 . |
| MLA | Zheng, Jiayong et al. "Evaluation of crystallization on the physical properties and sealing ability of BaO-MgO-Al2O3-B2O3-SiO2 glass for intermediate-temperature solid oxide fuel cells" . | CERAMICS INTERNATIONAL 51 . 11 (2025) : 14723-14729 . |
| APA | Zheng, Jiayong , Lu, Zhenghao , Chen, Zhiyi , Ai, Na , Guan, Chengzhi , Wang, Xin et al. Evaluation of crystallization on the physical properties and sealing ability of BaO-MgO-Al2O3-B2O3-SiO2 glass for intermediate-temperature solid oxide fuel cells . | CERAMICS INTERNATIONAL , 2025 , 51 (11) , 14723-14729 . |
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The adoption of oxide precursor substrate can simplify the preparation process and reduce the cost of metal- supported solid oxide fuel cells (MS-SOFCs). However, the drastic shrinkage of oxide substrate during reduction can cause structural damage of MS-SOFCs. Herein, yttria-stabilized zirconia (YSZ) is incorporated to tailor the physical properties of NiFe substrate and structural stability of MS-SOFCs. The results show that the incorporation of YSZ phase leads to significantly suppressed sintering and grain growth during high temperature sintering and reduction processes as well as mitigated shrinkage of substrate and improved flatness of single cell during reduction process. The incorporation of YSZ phase also significantly enhances the mechanical strength and maintains acceptable electrical conductivity of the substrate. The single cell with the incorporation of 15 wt % YSZ phase into the NiFe substrate produces a peak power density of 1.02 W cm- 2 at 750 degrees C with no noticeable degradation during the galvanostatic test at 650 degrees C for 100 h. The present work provides a new strategy for the development of a NiFe metal substrate for robust MS-SOFCs.
Keyword ：
Metal-supported solid oxide fuel cells Metal-supported solid oxide fuel cells NiFe substrate NiFe substrate Reduction shrinkage Reduction shrinkage Structural stability Structural stability
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| GB/T 7714 | Liu, Xianghui , Lin, Pinghui , Qian, Jiaqi et al. Modulating the structural stability of NiFe metal-supported solid oxide fuel cells [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2025 , 114 : 1-8 . |
| MLA | Liu, Xianghui et al. "Modulating the structural stability of NiFe metal-supported solid oxide fuel cells" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 114 (2025) : 1-8 . |
| APA | Liu, Xianghui , Lin, Pinghui , Qian, Jiaqi , Zhang, Haipeng , Ai, Na , Guan, Chengzhi et al. Modulating the structural stability of NiFe metal-supported solid oxide fuel cells . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2025 , 114 , 1-8 . |
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In the context of current energy and environmental issues, the treatment and utilization of the greenhouse gas CO2 has become a significant area of research. Solid oxide electrolytic cells (SOECs) with straightforward and reliable electrode reactions can effectively harness renewable, clean energy sources to transform CO2 into valuable carbon-containing chemicals. The focus of research in the field of SOEC cathode materials has been on CeO2 due to its advantageous properties, including its multifunctionality and tunability. In this work, Fe and Co dopants are dissolved and anchored in CeO2 on the electrode surface using an in situ exsolution approach, resulting in the formation of FeCo alloy nanoparticles. These particles then generate strong interaction forces with the substrate, leading to the formation of rich and stable active sites. The SOEC comprising Ce0.9(Fe0.5Co0.5)0.1O2-delta as the symmetric electrode demonstrated a CO yield of 4.2 mL min-1 cm-2 at 850 degrees C and 1.8 V, and a Faraday current efficiency of 90.3%. Following 108 hours of operation at 1.4 V, no significant performance degradation is observed, and the microstructure is found to be well maintained.
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| GB/T 7714 | Su, Xiang , Yan, Huiquan , Ma, Jiaming et al. In situ exsolution of FeCo alloy nanoparticles for highly efficient CO2 electrolysis [J]. | NEW JOURNAL OF CHEMISTRY , 2025 , 49 (24) : 10278-10286 . |
| MLA | Su, Xiang et al. "In situ exsolution of FeCo alloy nanoparticles for highly efficient CO2 electrolysis" . | NEW JOURNAL OF CHEMISTRY 49 . 24 (2025) : 10278-10286 . |
| APA | Su, Xiang , Yan, Huiquan , Ma, Jiaming , Wang, Xin , Ye, Lingting . In situ exsolution of FeCo alloy nanoparticles for highly efficient CO2 electrolysis . | NEW JOURNAL OF CHEMISTRY , 2025 , 49 (24) , 10278-10286 . |
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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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Ammonia (NH3) is an easy to store, zero-carbon emission hydrogen carrier. The current primary challenges in enhancing the yield and faradaic efficiency of the electrocatalytic nitrogen reduction reaction (NRR) for ammonia synthesis are widely recognized to be the inhibition of the competing hydrogen evolution reaction (HER) and the activation of N equivalent to N to facilitate its cleavage. Here we select perovskite oxide materials La0.6Sr0.4Co0.2Fe0.8+xO3-delta (LSCF0.8+x, x = 0-0.1) as the NRR electrode for the proton-conducting solid oxide electrolyzer cells (PCECs). We construct a more effective metal oxide interface via in situ exsolution of CoFe alloy nanoparticles (NPs), which promotes N equivalent to N activation and cleavage by applying a certain voltage at 500 degrees C, thereby accelerating the gradual synthesis of NH3 with proton H+. At 500 degrees C and 0.8 V, the maximum NH3 synthesis rate is 3.75 x 10(-9) mol s(-1) cm(-2) while the highest faradaic efficiency is 3.05%, and there is no damage to the microstructure after continuously working for 100 h, indicating that this material as the electrode is beneficial to the electrocatalytic synthesis of ammonia in PCECs.
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| GB/T 7714 | Du, Yufeng , Su, Xiang , Wang, Xin et al. In situ exsolved CoFe alloys over perovskite toward enhanced ammonia synthesis [J]. | NEW JOURNAL OF CHEMISTRY , 2024 , 48 (22) : 10060-10066 . |
| MLA | Du, Yufeng et al. "In situ exsolved CoFe alloys over perovskite toward enhanced ammonia synthesis" . | NEW JOURNAL OF CHEMISTRY 48 . 22 (2024) : 10060-10066 . |
| APA | Du, Yufeng , Su, Xiang , Wang, Xin , Ye, Lingting , Xie, Kui . In situ exsolved CoFe alloys over perovskite toward enhanced ammonia synthesis . | NEW JOURNAL OF CHEMISTRY , 2024 , 48 (22) , 10060-10066 . |
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A challenge hindering the development of durable solid oxide fuel cells (SOFCs) is the significant performance degradation of cathodes owing to poisoning by volatile Cr originating from the FeCr alloy interconnect. Herein, a heterogeneous catalyst coating, composed of Ba1-xCe0.8Gd0.2O3-delta and BaCO3, remarkably improves the oxygen adsorption, dissociation capability, and Cr resistance of a La0.6Sr0.4Co0.2Fe0.8O3-delta (LSCF) cathode is demonstrated. The coherent heterointerface interactions formed between the catalyst coating and LSCF result in varied levels of surface strain and electrostatic interactions, significantly suppressing Sr surface segregation on LSCF. A single cell with the catalyst coating-decorated LSCF (CC-LSCF) achieves a peak power density of 1.73 W cm-2 at 750 degrees C, with no noticeable performance degradation for 100 h. The CC-LSCF cathode also exhibits outstanding durability under accelerated Cr poisoning conditions, compared with the tremendous degradation rate of 0.42% h-1 for the bare LSCF cathode. The enhanced Cr resistance is attributed to synergy induced by the stabilization of the lattice Sr cations by heterointerface interactions and the remarkable structural stability of the catalyst coating under Cr poisoning conditions. The novel heterointerface engineering strategy in this study provides insight into the design and development of active and Cr-tolerant cathodes. A heterogeneous catalyst coating composed of Ba1-xCe0.8Gd0.2O3-delta and BaCO3 remarkably improves the oxygen adsorption, dissociation capability, and Cr tolerance of La0.6Sr0.4Co0.2Fe0.8O3-delta cathode. The enhanced Cr tolerance is attributed to synergy induced by the stabilization of the lattice Sr cations by heterointerface interactions and the remarkable structural stability of the catalyst coating under Cr poisoning conditions. image
Keyword ：
chromium tolerance chromium tolerance heterointerfaces heterointerfaces solid oxide fuel cells solid oxide fuel cells Sr surface segregation Sr surface segregation strain strain
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| GB/T 7714 | Huang, Jiongyuan , Liang, Fujun , Zhao, Sunce et al. Heterogeneous Catalyst Coating for Boosting the Activity and Chromium Tolerance of Cathodes for Solid Oxide Fuel Cells [J]. | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (26) . |
| MLA | Huang, Jiongyuan et al. "Heterogeneous Catalyst Coating for Boosting the Activity and Chromium Tolerance of Cathodes for Solid Oxide Fuel Cells" . | ADVANCED FUNCTIONAL MATERIALS 34 . 26 (2024) . |
| APA | Huang, Jiongyuan , Liang, Fujun , Zhao, Sunce , Zhao, Ling , Ai, Na , Jiang, San Ping et al. Heterogeneous Catalyst Coating for Boosting the Activity and Chromium Tolerance of Cathodes for Solid Oxide Fuel Cells . | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (26) . |
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Abstract ：
福州开元寺铁佛是国内外现存最大的古代铁佛,古代工匠采用怎样的铸造工艺技术,亟待深入研究.根据观测和分析认为,为了将一段方柱铸接在其内腔,古代工匠对这尊大佛采用了分铸法的铸造方式.生铁表面的莱氏体组织和相成分是大佛具有良好腐蚀防护的材料基础,也说明当时所采用的熔铸温度很低.干泥浆和芯撑的存在,表明大佛可能采用了泥范铸造工艺;通过对内表面条纹和疤痕等的观察,表明古代工匠可能采用了异常复杂的浇铸系统,一次性完成主体结构的整铸成型.可以认为,古代工匠大致通过 10个主要的铸造工艺程序,最终制成巨型金身佛像.
Keyword ：
工艺 工艺 福州开元寺 福州开元寺 过程 过程 铁佛 铁佛 铸造 铸造
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| GB/T 7714 | 王欣 , 唐电 . 古代福建冶金瑰宝——大铁佛的铸造工艺过程 [J]. | 福建冶金 , 2024 , 53 (1) : 39-43 . |
| MLA | 王欣 et al. "古代福建冶金瑰宝——大铁佛的铸造工艺过程" . | 福建冶金 53 . 1 (2024) : 39-43 . |
| APA | 王欣 , 唐电 . 古代福建冶金瑰宝——大铁佛的铸造工艺过程 . | 福建冶金 , 2024 , 53 (1) , 39-43 . |
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Perovskite oxide Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) is a highly active cathode material widely studied for intermediate temperature solid oxide fuel cells (IT-SOFCs), however, the tendency of phase transition of BSCF under IT-SOFC operating conditions poses a critical challenge for its reliable applications. Here, a multiphase BSCFGd0.1Ce0.9O1.95 (GDC) nanocomposite with heterogeneous interfaces is synthesized at a relatively low calcination temperature of 750 degrees C. Both the multiphase composition and microstructural morphology of the nanocomposite are very stable during annealing at 750 degrees C. The unique multiphase structure and ultrafine microstructure of the nanocomposite can be maintained in the resultant cathode through a sintering-free direct assembly fabrication method. As a consequence, a corresponding single cell based on the BSCF-GDC nanocomposite cathode generates a maximum power density of 1.41 W cm(-2) at 750 degrees C with outstanding galvanostatic stability for 100 h. This work provides an effective means for the design and utilization of highly active BSCF-based nanocomposite cathodes for durable IT-SOFCs.
Keyword ：
BSCF BSCF Phase transition Phase transition Sintering-free direct assembly Sintering-free direct assembly Solid oxide fuel cells Solid oxide fuel cells
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| GB/T 7714 | Chen, Kongfa , Yang, Haoran , Chen, Zhiyi et al. Enabling stable operation of Ba0.5Sr0.5Co0.8Fe0.2O3-δ based multiphase nanocomposite cathode for efficient intermedium temperature solid oxide fuel cells [J]. | CERAMICS INTERNATIONAL , 2024 , 50 (22) : 46822-46830 . |
| MLA | Chen, Kongfa et al. "Enabling stable operation of Ba0.5Sr0.5Co0.8Fe0.2O3-δ based multiphase nanocomposite cathode for efficient intermedium temperature solid oxide fuel cells" . | CERAMICS INTERNATIONAL 50 . 22 (2024) : 46822-46830 . |
| APA | Chen, Kongfa , Yang, Haoran , Chen, Zhiyi , Huang, Jiongyuan , Qian, Jiaqi , Yue, Zhongwei et al. Enabling stable operation of Ba0.5Sr0.5Co0.8Fe0.2O3-δ based multiphase nanocomposite cathode for efficient intermedium temperature solid oxide fuel cells . | CERAMICS INTERNATIONAL , 2024 , 50 (22) , 46822-46830 . |
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Rational construction of high-efficiency photoelectrodes with optimized carrier migration to the ideal active sites, is crucial for enhancing solar water oxidation. However, complexity in precisely modulating interface configuration and directional charge transfer pathways retards the design of robust and stable artificial photosystems. Herein, a straightforward yet effective strategy is developed for compact encapsulation of metal oxides (MOs) with an ultrathin non-conjugated polymer layer to modulate interfacial charge migration and separation. By periodically coating highly ordered TiO2 nanoarrays with oppositely charged polyelectrolyte of poly(dimethyl diallyl ammonium chloride) (PDDA), MOs/polymer composite photoanodes are readily fabricated under ambient conditions. It is verified that electrons photogenerated from the MOs substrate can be efficiently extracted by the ultrathin solid insulating PDDA layer, significantly boosting the carrier transport kinetics and enhancing charge separation of MOs, and thus triggering a remarkable enhancement in the solar water oxidation performance. The origins of the unexpected electron-withdrawing capability of such non-conjugated insulating polymer are unambiguously uncovered, and the scenario occurring at the interface of hybrid photoelectrodes is elucidated. The work would reinforce the fundamental understanding on the origins of generic charge transport capability of insulating polymer and benefit potential wide-spread utilization of insulating polymers as co-catalysts for solar energy conversion. Uniform non-conjugated insulating polymer encapsulation on the metal oxides remarkably enhances the spatially directional electron transport, wherein the ultrathin insulating polymer functions as an electron trap to facilitate the charge separation in solar water splitting. image
Keyword ：
charge transport charge transport interface modulation interface modulation non-conjugated polymer non-conjugated polymer photoelectrochemical water splitting photoelectrochemical water splitting
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| GB/T 7714 | Liu, Jia-Liang , Yan, Xian , Yuan, Jiao-Nan et al. Identifying Root Origin of Insulating Polymer Mediated Solar Water Oxidation [J]. | SMALL , 2024 , 20 (48) . |
| MLA | Liu, Jia-Liang et al. "Identifying Root Origin of Insulating Polymer Mediated Solar Water Oxidation" . | SMALL 20 . 48 (2024) . |
| APA | Liu, Jia-Liang , Yan, Xian , Yuan, Jiao-Nan , Wu, Yue , Wang, Xin , Xiao, Fang-Xing . Identifying Root Origin of Insulating Polymer Mediated Solar Water Oxidation . | SMALL , 2024 , 20 (48) . |
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