Journal of The European Ceramic Society最新文献

Indium-doped BaHfO3 electrolytes with oxygen vacancies engineering for high proton conductivity and low-temperature solid oxide fuel cells 用于高质子电导率和低温固体氧化物燃料电池的掺铟BaHfO3电解质氧空位工程

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-12 DOI: 10.1016/j.jeurceramsoc.2025.117819

Zezhong Wang , Ying Li , Wenlong Huang , Jie Zheng , Yongtao Huang

{"title":"Indium-doped BaHfO3 electrolytes with oxygen vacancies engineering for high proton conductivity and low-temperature solid oxide fuel cells","authors":"Zezhong Wang , Ying Li , Wenlong Huang , Jie Zheng , Yongtao Huang","doi":"10.1016/j.jeurceramsoc.2025.117819","DOIUrl":"10.1016/j.jeurceramsoc.2025.117819","url":null,"abstract":"<div><div>The development of electrolyte materials with high ionic conductivity at low operating temperatures (400–600 °C) remains a critical challenge for solid oxide fuel cells (SOFCs). Proton-conducting ceramics have emerged as promising candidates due to their low activation energy for proton transport, making them suitable for low-temperature SOFC applications. In this study, a series of BaHf<sub>1-<em>x</em></sub>In<sub><em>x</em></sub>O<sub>3-<em>δ</em></sub> (<em>x</em> = 0, 0.05, 0.10, 0.15, and 0.20) ceramics were synthesized via solid-state reaction. The dominant proton conductivity, accompanied by oxygen ion conduction, was confirmed through defect equilibrium model, concentration cell studies, and H/D isotope experiments. X-ray photoelectron spectroscopy (XPS) revealed that indium doping significantly enhances oxygen vacancy concentration, thereby facilitating proton conduction. Compared to undoped BaHfO<sub>3</sub>, indium doping markedly increased ionic conductivity and reduced the activation energy for grain boundary conduction. The BaHf<sub>0.85</sub>In<sub>0.15</sub>O<sub>2.925</sub> (BHI15) electrolyte exhibited a low (ASR) area-specific ohmic resistance of 0.20 Ω cm<sup>2</sup> and achieved an exceptional power output of 956 mW cm⁻² at 550 °C. These findings underscore the effectiveness of indium doping in enhancing proton conductivity, offering a viable strategy for designing high-performance electrolytes for low-temperature SOFCs.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117819"},"PeriodicalIF":6.2,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145046208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

First Ga2Se3 infrared transparent chalcogenide ceramics 第一种Ga2Se3红外透明硫系陶瓷

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-12 DOI: 10.1016/j.jeurceramsoc.2025.117823

Mathieu Chevereau , Emmanuel Véron , Séverine Brassamin , David Le Coq , Laurent Calvez , Xiang-Hua Zhang , Louisiane Verger , Sébastien Chenu

引用次数: 0

Corrigendum to “Textured K0.5Na0.5NbO3 piezoelectric ceramics produced by vat photopolymerization-based additive manufacturing” [J. Eur. Ceram. Soc. 46 (2026) 117776] “基于还原光聚合的增材制造的织构K0.5Na0.5NbO3压电陶瓷”的更正[J]。欧元。陶瓷。Soc. 46 (2026) 117776]

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-12 DOI: 10.1016/j.jeurceramsoc.2025.117813

Mahmoud Mobin , Oleg V. Mishin , Cenk Abdurrahmanoglu , Vincenzo Esposito , Astri Bjørnetun Haugen

引用次数: 0

Incorporating ceramic nanorods into nanofiber cathodes for efficient solid oxide fuel cells through smart suspension infiltration 通过智能悬浮渗透将陶瓷纳米棒整合到纳米纤维阴极中，用于高效固体氧化物燃料电池

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-11 DOI: 10.1016/j.jeurceramsoc.2025.117815

Zhiyi Chen , Quan Liu , Shuai Luo , Jiongyuan Huang , Jiaqi Qian , Dong Tian , Na Ai , Chengzhi Guan , Pei Yuan , San Ping Jiang , Kongfa Chen

{"title":"Incorporating ceramic nanorods into nanofiber cathodes for efficient solid oxide fuel cells through smart suspension infiltration","authors":"Zhiyi Chen , Quan Liu , Shuai Luo , Jiongyuan Huang , Jiaqi Qian , Dong Tian , Na Ai , Chengzhi Guan , Pei Yuan , San Ping Jiang , Kongfa Chen","doi":"10.1016/j.jeurceramsoc.2025.117815","DOIUrl":"10.1016/j.jeurceramsoc.2025.117815","url":null,"abstract":"<div><div>Direct incorporation of pre-synthesized ceramic nanoparticles into porous scaffolds offers a simplified process for constructing a nanostructured electrode with precisely controlled composition and morphology for solid oxide fuel cells. However, the homogeneous distribution of ceramic nanoparticles in the scaffolds remains a critical challenge. Herein, we address the challenge by incorporating ultrafine Gd<sub>0.1</sub>Ce<sub>0.9</sub>O<sub>1.95</sub> (GDC) nanorods into a highly porous La<sub>0.8</sub>Sr<sub>0.2</sub>MnO<sub>3+δ</sub> (LSM) nanofiber scaffolds. The porous morphology of the LSM nanofibers is preserved in the scaffolds through ultrasonic dispersion and drip coating. The GDC nanorods, synthesized by a polyethylene glycol-assisted hydrothermal method, exhibit abundant surface oxygen vacancies. The GDC nanorods are evenly dispersed within the nanofiber scaffolds during infiltration of the aqueous ceramic suspension. A single cell with the GDC-LSM cathode demonstrates a peak power density of 1.2 W cm<sup>–2</sup> at 800 °C with excellent operational stability over 100 h. This work provides a strategy for developing efficient, durable nanocomposite cathodes.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117815"},"PeriodicalIF":6.2,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145046206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation of low shrinkage and high surface accuracy Al2O3-based ceramics via water-based binder jetting combined with sintering aid 水基粘结剂喷射结合助烧剂制备低收缩率、高表面精度的al2o3基陶瓷

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-10 DOI: 10.1016/j.jeurceramsoc.2025.117812

Li Yang, Jingfei Liu, Shiyan Tang, Zhiyuan Yang, Youheng Fu, Zitian Fan

{"title":"Preparation of low shrinkage and high surface accuracy Al2O3-based ceramics via water-based binder jetting combined with sintering aid","authors":"Li Yang, Jingfei Liu, Shiyan Tang, Zhiyuan Yang, Youheng Fu, Zitian Fan","doi":"10.1016/j.jeurceramsoc.2025.117812","DOIUrl":"10.1016/j.jeurceramsoc.2025.117812","url":null,"abstract":"<div><div>The binder jetting method possesses the advantages of high efficiency and low cost, and is widely used in the preparation of ceramics. However, this technology uses organic binders, which leads to the low strength of ceramic green bodies after sintering. Currently, impregnation is primarily used to enhance the strength of ceramics. In this study, the properties of Al<sub>2</sub>O<sub>3</sub>-based ceramics were enhanced by introducing different minerals (kyanite, andalusite and sillimanite) that decompose and form a mullite phase at high temperatures, resulting in a secondary mullite reaction. The results show that when andalusite was added to the Al<sub>2</sub>O<sub>3</sub> matrix material, the samples exhibited relatively good properties. The samples with different andalusite contents (5, 10, 15 wt%) were sintered at 1500, 1550 and 1600 °C, respectively. The bulk density, apparent porosity and bending strength of the samples were 1.82–2.06 g·cm<sup>−3</sup>, 47.5–52.01 % and 16.99–34.19 MPa, respectively.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117812"},"PeriodicalIF":6.2,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145046204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Diffuse phase transition broadening negative electrocaloric temperature span in Sr-doped PbZr0.95Ti0.05O3 thin films 掺锶PbZr0.95Ti0.05O3薄膜的扩散相变展宽负电热温度跨度

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-10 DOI: 10.1016/j.jeurceramsoc.2025.117814

Yuxuan Hou , Ruowei Yin , Junjie Li , Xiaopo Su , Chuanbao Liu , Yang Bai

{"title":"Diffuse phase transition broadening negative electrocaloric temperature span in Sr-doped PbZr0.95Ti0.05O3 thin films","authors":"Yuxuan Hou , Ruowei Yin , Junjie Li , Xiaopo Su , Chuanbao Liu , Yang Bai","doi":"10.1016/j.jeurceramsoc.2025.117814","DOIUrl":"10.1016/j.jeurceramsoc.2025.117814","url":null,"abstract":"<div><div>Electrocaloric effect (ECE) is one of the basic features of ferroelectrics / antiferroelectrics. The positive ECE and negative ECE exhibit oppose thermal response to the variation of electric fields. This allows them to complement each other, enabling more diversified refrigeration regulation. To enhance the negative ECE and broaden its temperature range, this work investigates the impact of diffuse phase transitions in antiferroelectric Pb<sub>1-<em>x</em></sub>Sr<sub><em>x</em></sub>Zr<sub>0.95</sub>Ti<sub>0.05</sub>O<sub>3</sub> (PSZT) films on LaNiO<sub>3</sub>/Si substrates. Sr<sup>2</sup><sup>+</sup> doping reduces the unit cell volume and enhances antiferroelectricity, resulting in an increment of the ECE Δ<em>T</em> from −2.26 K to −3.38 K. Meanwhile, it breaks the long-range antiferroelectric order to achieve a local symmetry breaking, and promotes the diffusion of the antiferroelectric-ferroelectric phase transition to significantly broaden the temperature span of the negative ECE from 33 K to over 108 K. This work demonstrates that controlling the phase transition diffusion in PSZT films effectively enhances the performance of the negative ECE and broadens its temperature span, providing a strong support for in-situ chip cooling technology.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117814"},"PeriodicalIF":6.2,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145046205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Finite element simulation and experimental study on uniformity adjustment of multi physical field in photo-thermo-refractive glass 光-热折射玻璃多物理场均匀性调整的有限元模拟与实验研究

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-09 DOI: 10.1016/j.jeurceramsoc.2025.117806

Ziyi Ge , Baoxing Xiong , Qiannan Li , Bo Zhang , Shang Wu , Cunding Liu , Xiang Zhang , Xiao Yuan

{"title":"Finite element simulation and experimental study on uniformity adjustment of multi physical field in photo-thermo-refractive glass","authors":"Ziyi Ge , Baoxing Xiong , Qiannan Li , Bo Zhang , Shang Wu , Cunding Liu , Xiang Zhang , Xiao Yuan","doi":"10.1016/j.jeurceramsoc.2025.117806","DOIUrl":"10.1016/j.jeurceramsoc.2025.117806","url":null,"abstract":"<div><div>This study aims to address the crystal non-uniformity in photo-thermo-refractive (PTR) glass by exploring the synergistic regulation of multiple physical fields in photo-thermo-induced crystallization processes through simulations and experimental validation. This study reveals that Ce<sup>3 +</sup> doping concentration affects the attenuation gradient of the 325 nm light field, with 0.013 mol% identified as the optimal concentration for balancing light field penetration and photosensitive reaction. By optimizing the heating/cooling rate and forced convection rate, the internal temperature gradient of PTR glass can be well controlled. Under the moderate concentration of Ce<sup>3+</sup> (0.013 mol%) doping and optimized thermal treatment parameters, small (40–60 nm) and density (1.2–1.8 ×10²⁰ m⁻³) NaF grains can be obtained in a large (75 mm × 75 mm × 2 mm) PTR glass, with the mass fraction fluctuating less than 0.05 wt%. These findings offer valuable insights for the fabrication of large and high-quality optical devices based on PTR glass.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117806"},"PeriodicalIF":6.2,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145027325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High temperature interlaminar tensile strength of a SiCf/SiC ceramic matrix composite determined through diametrical compression testing up to 1200°C 高温层间拉伸强度的SiCf/SiC陶瓷基复合材料通过直径压缩测试确定高达1200°C

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-09 DOI: 10.1016/j.jeurceramsoc.2025.117811

S.P. Jeffs , C.D. Newton , S. John , M.R. Bache , L. Gale , S. Pattison , A.L. Chamberlain

{"title":"High temperature interlaminar tensile strength of a SiCf/SiC ceramic matrix composite determined through diametrical compression testing up to 1200°C","authors":"S.P. Jeffs , C.D. Newton , S. John , M.R. Bache , L. Gale , S. Pattison , A.L. Chamberlain","doi":"10.1016/j.jeurceramsoc.2025.117811","DOIUrl":"10.1016/j.jeurceramsoc.2025.117811","url":null,"abstract":"<div><div>The diametrical compression test method was used in this study to determine the high temperature interlaminar tensile strength of a SiC<sub>f</sub>/SiC Ceramic Matrix Composite. Two disk geometries are employed (Φ4.5 mm and Φ9 mm) with tests performed up to 1200°C, building upon previous room temperature investigations conducted by the authors [1]. For all tests, disks failed parallel to the loading axis spanning between the upper and lower contact points, ensuring repeatability and reliability even at high temperatures. Digital image correlation was applied to selected tests to measure the full-field strain and observe damage progression to ultimate failure. Weibull distribution was implemented to determine the characteristic strength and distribution, to understand the influence of specimen volume and high temperature oxidation. High temperature results were revealed to have a higher characteristic strength and Weibull modulus owing to the associated oxidation mechanisms, whether the formation of silica rich regions or degradation of the interphase.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117811"},"PeriodicalIF":6.2,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145046207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

TPMS SiC structures produced by chemical vapour infiltration of SiC preforms shaped by powder bed fusion and binder jetting: a preliminary study on the early stages of the CVI process 粉末床熔合和粘结剂喷射成形的碳化硅预制体通过化学蒸汽渗透产生TPMS碳化硅结构：CVI工艺早期阶段的初步研究

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-09 DOI: 10.1016/j.jeurceramsoc.2025.117809

Marco Pelanconi , Samuele Bottacin , Giovanni Bianchi , Davide Viganò , Vasileios Papageorgiou , Hristo Strakov , Alberto Ortona

{"title":"TPMS SiC structures produced by chemical vapour infiltration of SiC preforms shaped by powder bed fusion and binder jetting: a preliminary study on the early stages of the CVI process","authors":"Marco Pelanconi , Samuele Bottacin , Giovanni Bianchi , Davide Viganò , Vasileios Papageorgiou , Hristo Strakov , Alberto Ortona","doi":"10.1016/j.jeurceramsoc.2025.117809","DOIUrl":"10.1016/j.jeurceramsoc.2025.117809","url":null,"abstract":"<div><div>This study combines two additive manufacturing (AM) techniques, named binder jetting (BJ) and powder bed fusion (PBF), with chemical vapor infiltration (CVI) to produce SiC architectures with enhanced mechanical and oxidation resistance properties. Using TPMS-based gyroid geometries, complex preforms were fabricated via AM and then densified through CVI. These preliminary results demonstrated that this approach could successfully produce intricate porous preforms, with structures achieving high relative density maintaining geometric stability during processing. The 10 h CVI process significantly improved the mechanical properties, with BJ-derived samples reaching an increase in compressive strength after two infiltration cycles (∼14 MPa). Oxidation tests at 1500°C confirmed excellent resistance, with the formation of protective SiO<sub>2</sub> layers contributing to material durability. These findings highlight the potential of combining AM and CVI for producing high-performance SiC ceramics. This approach offers a pathway to developing advanced materials tailored for demanding applications in energy, aerospace, and high-temperature industrial systems.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117809"},"PeriodicalIF":6.2,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145027326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Oxidation mechanisms of tantalum carbides at extreme temperatures 碳化钽在极端温度下的氧化机理

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-09 DOI: 10.1016/j.jeurceramsoc.2025.117808

Tigran Ayvazyan , Viktorya Vardanyan , Armenak Zargaryan , Suren Kharatyan , Maksym Zhukovskyi , Ani Aprahamian , Khachatur Manukyan

{"title":"Oxidation mechanisms of tantalum carbides at extreme temperatures","authors":"Tigran Ayvazyan , Viktorya Vardanyan , Armenak Zargaryan , Suren Kharatyan , Maksym Zhukovskyi , Ani Aprahamian , Khachatur Manukyan","doi":"10.1016/j.jeurceramsoc.2025.117808","DOIUrl":"10.1016/j.jeurceramsoc.2025.117808","url":null,"abstract":"<div><div>This study reveals atomic-scale oxidation mechanisms in tantalum carbides (TaC and Ta<sub>2</sub>C) under extreme thermal conditions up to 2500 K, using a high-speed electro-thermographic method enabling resistive heating rates up to 5 × 10<sup>5</sup> K/s and quenching up to 5 × 10<sup>4</sup> K/s. Bilayer TaC/Ta<sub>2</sub>C coatings were synthesized on tantalum wire with tunable microstructures and subjected to controlled high-temperature oxidation in air. Real-time thermal and electrical monitoring allowed precise control of reaction, while post-quench characterization via high-resolution electron microscopy, diffraction methods, and Raman spectroscopy provided detailed insights into structural evolution. The oxidation of TaC proceeds predominantly through intergranular pathways, but for the first time, intragranular oxidation channels were observed at the nanoscale. In Ta<sub>2</sub>C, oxidation followed both inter- and intragranular routes, with the latter dominating and involving transient formation of TaC domains. These findings establish an oxidation mechanism for tantalum carbides at nano- and atomic scales, offering insights for their application in extreme environments.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117808"},"PeriodicalIF":6.2,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145046203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0