Journal of The European Ceramic Society最新文献

Lightweight SiCN ceramics doped with rare earth elements for electromagnetic wave absorption and infrared stealth 用于电磁波吸收和红外隐身的稀土轻量化SiCN陶瓷

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-13 DOI: 10.1016/j.jeurceramsoc.2025.117528

Chang Liu , Kaidi Mao , Hang Teng , Rui Zhang , Haibin Sun , Qiangqiang Hu , Cuncheng Li , Hongyu Gong , Paolo Colombo , Xue Guo , Yurun Feng

引用次数: 0

Investigating the effect of spark plasma sintering temperature and post-sintering annealing in LiNi0.5Mn1.5O4 for its ideal design towards practical battery applications 研究火花等离子烧结温度和烧结后退火对LiNi0.5Mn1.5O4的影响，使其在电池中的理想设计更接近实际应用

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-09 DOI: 10.1016/j.jeurceramsoc.2025.117524

Jon G. Bell , Rishabh Shukla , Shangxiong Huangfu, Michael Stuer

{"title":"Investigating the effect of spark plasma sintering temperature and post-sintering annealing in LiNi0.5Mn1.5O4 for its ideal design towards practical battery applications","authors":"Jon G. Bell , Rishabh Shukla , Shangxiong Huangfu, Michael Stuer","doi":"10.1016/j.jeurceramsoc.2025.117524","DOIUrl":"10.1016/j.jeurceramsoc.2025.117524","url":null,"abstract":"<div><div>In this work, the effect of spark plasma sintering (SPS) and post-annealing in pure Ar and O<sub>2</sub> on structure, ac/dc-conductivity, impedance, and electronic properties of LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> (LNMO) are investigated, which establish a roadmap for the design of an ideal compound. Structural analysis using XRD reveals that the unit cell volume increases with SPS temperature and post-annealing in Ar and decreases in O<sub>2</sub> due to a reduction in oxygen vacancies. The dc-conductivity shows the dominance of SPH conduction up to 200 K, while Mott-VRH conduction prevails until 168 K. Frequency dispersion modeling of ac-conductivity (σ<sub>ac</sub>) with modified JPL supports the NSPT model, and scaling of σ<sub>ac</sub> follows the modified Summerfield model. In addition, DRT clearly distinguishes grain, grain boundary, interfacial, and electrode contributions and shows that post-annealing in Ar(O<sub>2</sub>) can be effectively used to increase(decrease) the grain and grain boundary resistance, which can be utilized to design and property-tune LNMO for practical applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117524"},"PeriodicalIF":5.8,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143934986","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

Enhancing proton-conducting solid oxide fuel cell performance with Pr-doped BaZr0.5Fe0.5O3-δ cathodes

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-09 DOI: 10.1016/j.jeurceramsoc.2025.117526

Zhaoling Wei , Juan Liu , Jinhuai Wang , Zhiwen Zhu , Zhihao Wang , Lei Bi

{"title":"Enhancing proton-conducting solid oxide fuel cell performance with Pr-doped BaZr0.5Fe0.5O3-δ cathodes","authors":"Zhaoling Wei , Juan Liu , Jinhuai Wang , Zhiwen Zhu , Zhihao Wang , Lei Bi","doi":"10.1016/j.jeurceramsoc.2025.117526","DOIUrl":"10.1016/j.jeurceramsoc.2025.117526","url":null,"abstract":"<div><div>Developing high-performance cathodes remains crucial for advancing proton-conducting solid oxide fuel cells (H-SOFCs). While Fe-doped BaZrO<sub>3</sub> (BZF), derived from the proton conductor BaZrO<sub>3</sub>, demonstrates moderate performance, it underperforms compared to recently reported cathodes. To address this limitation, we introduce Pr as a co-dopant in BZF, creating BaZr<sub>0.4</sub>Fe<sub>0.5</sub>Pr<sub>0.1</sub>O<sub>3</sub> (BZFPr). Pr-doping induces electronic structure modifications that weaken metal-oxygen bonds, generating abundant oxygen vacancies and enhancing protonation capabilities. These changes synergistically improve oxygen and proton diffusion kinetics. Furthermore, Pr doping elevates the oxidation state of Fe, significantly boosting oxygen reduction reaction (ORR) activity. After microstructural optimization, BZFPr achieves exceptional performance with a peak power density of 1686 mW cm<sup>−2</sup> and a low polarization resistance of 0.059 Ω cm<sup>2</sup> at 700 °C—values surpassing most state-of-the-art cathodes. The BZFPr cathode also exhibits remarkable operational stability under fuel cell conditions, establishing Pr doping as an effective strategy for developing high-performance, durable cathodes for H-SOFCs.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117526"},"PeriodicalIF":5.8,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143942879","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

Performance and oxygen transport in dual-phase SrFe0.95Mo0.05O3-δ-Ce0.8Gd0.2O2-δ hollow fiber membranes for catalytic membrane reactors 催化膜反应器用双相SrFe0.95Mo0.05O3-δ- ce0.8 gd0.2 o2 -δ中空纤维膜的性能及氧输运

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117520

O.V. Cherendina , E.V. Shubnikova , M.O. Khokhlova , R.D. Guskov , M.V. Arapova , O.A. Bragina , H. Jiang , G. He , A.P. Nemudry

{"title":"Performance and oxygen transport in dual-phase SrFe0.95Mo0.05O3-δ-Ce0.8Gd0.2O2-δ hollow fiber membranes for catalytic membrane reactors","authors":"O.V. Cherendina , E.V. Shubnikova , M.O. Khokhlova , R.D. Guskov , M.V. Arapova , O.A. Bragina , H. Jiang , G. He , A.P. Nemudry","doi":"10.1016/j.jeurceramsoc.2025.117520","DOIUrl":"10.1016/j.jeurceramsoc.2025.117520","url":null,"abstract":"<div><div>The dual-phase materials based on SrFe<sub>0.95</sub>Mo<sub>0.05</sub>O<sub>3-δ</sub> -Ce<sub>0.8</sub>Gd<sub>0.2</sub>O<sub>2-δ</sub> (SFM5-GDC) oxides with different phase ratios were prepared via Pechini method followed by the ball-milling and sintering. The influence of GDC phase content on the oxygen permeation flux and total conductivity of the dual-phase SFM5-GDC materials was investigated. Furthermore, the apparent activation energy values for oxygen transport through the SFM5-GDC hollow fiber membranes were estimated using two different kinetic models. Studies on the catalytic activity of the dual-phase SFM5-GDC hollow fiber membranes in the oxidative dehydrogenation of ethane showed a good performance when using air or CO<sub>2</sub> as oxygen source. In addition, the feasibility of ethylene production through alternative current heating of the hollow fiber membrane reactor was successfully demonstrated.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117520"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143928771","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

Development of TiO2 ultrafiltration membranes using nanoparticle slurry-based dip coating 纳米颗粒浆料基浸涂TiO2超滤膜的研制

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117523

Jongman Lee , Jang-Hoon Ha , Hong Joo Lee , In-Hyuck Song , Syed Zaighum Abbas Bukhari

{"title":"Development of TiO2 ultrafiltration membranes using nanoparticle slurry-based dip coating","authors":"Jongman Lee , Jang-Hoon Ha , Hong Joo Lee , In-Hyuck Song , Syed Zaighum Abbas Bukhari","doi":"10.1016/j.jeurceramsoc.2025.117523","DOIUrl":"10.1016/j.jeurceramsoc.2025.117523","url":null,"abstract":"<div><div>TiO<sub>2</sub> ultrafiltration (UF) membranes are promising for environmental applications such as wastewater filtration and photocatalysis. Herein, dip coating of Al<sub>2</sub>O<sub>3</sub> microfiltration (MF) membranes with a TiO<sub>2</sub> nanoparticle (NP) slurry is proposed as an alternative to the conventional, laborious sol–gel method to prepare these membranes. The dispersion of the NPs in the slurry was optimized using chemical and mechanical treatments. The effect of the sintering temperature on the pore size distribution was evaluated. The slurry was stabilized by 2.3 wt% Darvan CN at pH 8.5. Small milling ball sizes improved the dispersion and reduced the agglomerate size. The optimized slurry was used to produce a 3.3 µm-thick TiO<sub>2</sub> UF layer. Sintering at 700 ℃ yielded pore sizes up to 50 nm and 26 nm (Hg porosity and molecular weight cut-off measurements, respectively). These findings demonstrate how dip coating using a TiO<sub>2</sub> NP slurry facilitates the development of TiO<sub>2</sub> UF membranes.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117523"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924884","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

Radiation-induced defect formation and phase evolution in zirconium carbide ceramics 碳化锆陶瓷的辐射缺陷形成与相演化

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117521

S.F. Samadov , N.A. Ismayilova , L.A. Tuyen , M.N. Nasrabadi , N.V.M. Trung , N.V. Tiep , O.A. Samedov , I.I. Mustafayev , S.H. Jabarov , A.A. Donkov , Matlab N. Mirzayev

{"title":"Radiation-induced defect formation and phase evolution in zirconium carbide ceramics","authors":"S.F. Samadov , N.A. Ismayilova , L.A. Tuyen , M.N. Nasrabadi , N.V.M. Trung , N.V. Tiep , O.A. Samedov , I.I. Mustafayev , S.H. Jabarov , A.A. Donkov , Matlab N. Mirzayev","doi":"10.1016/j.jeurceramsoc.2025.117521","DOIUrl":"10.1016/j.jeurceramsoc.2025.117521","url":null,"abstract":"<div><div>In this work, the evolution of defects in zirconium carbide (ZrC) nanocrystals under gamma irradiation was studied using both experimental and computational approaches. Positron Annihilation Spectroscopy (PAS) and Raman spectroscopy were used to characterize radiation-induced defects, structural changes, and vibrational modes in ZrC samples. Density Functional Theory (DFT) calculations revealed that the displacement damage in the ZrC lattice increased with irradiation dose, and the increase in defects led to a significant decrease in Young's modulus and to lower hardness. Irradiation at 3000 kGy enhances defect evolution by creating carbon vacancies that potentially combine with existing defects to form larger vacancy clusters. In the Raman spectra, a new peak due to Sp2 C-C was detected at 1795 cm<sup>−1</sup> at an absorption dose of 3000 kGy. The intensity ratio of the I<sub>D</sub>/I<sub>G</sub> band decreased from 1.133 (initial) to 1.09 (3000 kGy), reflecting amorphization and the formation of an oxide layer. These findings provide a foundation for future investigations aimed at optimizing the radiation tolerance of ZrC-based materials for advanced nuclear applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117521"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143934985","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

Boosting the CO2 permeability in a supported molten-carbonate membrane by tuning the ratio between the ionic and electronic conducting phases

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117522

Liu Qu , Evangelos I. Papaioannou

{"title":"Boosting the CO2 permeability in a supported molten-carbonate membrane by tuning the ratio between the ionic and electronic conducting phases","authors":"Liu Qu , Evangelos I. Papaioannou","doi":"10.1016/j.jeurceramsoc.2025.117522","DOIUrl":"10.1016/j.jeurceramsoc.2025.117522","url":null,"abstract":"<div><div>High-temperature supported molten-carbonate membranes hold significant promise for selective CO<sub>2</sub> capture and utilization from fossil fuel combustion owing to their structural simplicity and cost-competitive operation as opposed to traditional solvent processes. High CO<sub>2</sub> capture rates, that can be quantitatively represented by the membrane’s permeability, are routinely expected to be dictated by the CO<sub>2</sub> driving force or the composition of the molten phase. Here, however, we demonstrate that in a supported molten-salt membrane fabricated using mixed ionic and electronic conducting oxides as the membrane material, the phase ratio between those phases can also control CO<sub>2</sub> permeability. We demonstrate this by using different ratios of Al-CeO<sub>2</sub> (ionic phase) and Al-ZnO (electronic phase) for the membrane material and operate under fixed CO<sub>2</sub> partial pressure driving force to show that higher ionic:electronic phase ratios lead to higher CO<sub>2</sub> permeabilities.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117522"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143942880","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

Colloidal silica as an anti-hydroxylation binder for pressed MgO structures 胶体二氧化硅作为压制氧化镁结构的抗羟基化粘合剂

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-07 DOI: 10.1016/j.jeurceramsoc.2025.117517

Rafael Salomão , Isabela S. Martinatti , Leandro Fernandes , Andreas Sundblom , Paulo R.T. Tiba

{"title":"Colloidal silica as an anti-hydroxylation binder for pressed MgO structures","authors":"Rafael Salomão , Isabela S. Martinatti , Leandro Fernandes , Andreas Sundblom , Paulo R.T. Tiba","doi":"10.1016/j.jeurceramsoc.2025.117517","DOIUrl":"10.1016/j.jeurceramsoc.2025.117517","url":null,"abstract":"<div><div>MgO-bricks for steelmaking require thermoset resin-based binders and pre-sintering steps above 1400ºC before installation to ensure strength and dimensional stability. Replacing resins with aqueous-based binders and employing shorter sintering schedules would save energy. An authors' study combined MgO particles and aqueous dispersion of silanized colloidal silica in a self-flowing suspension, reducing hydroxylation damages and improving strength before and after sintering. This study evaluated the same combination of raw materials in a pressed system. Fine MgO was sprayed with colloidal silica (0–0.04 SiO<sub>2</sub>-MgO molar ratio) and shaped by conventional uniaxial pressing. A thin magnesium silicate hydrate (4MgO.5SiO<sub>2</sub>·H<sub>2</sub>O) coating formed at the surfaces of MgO particles and prevented hydroxylation damage. During sintering, it softened and became a mixture of amorphous silica and Forsterite (Mg<sub>2</sub>SiO<sub>4</sub>). Compared to the silica-free reference, samples containing colloidal silica showed a two-to-three-fold green strength increase and higher densification levels after sintering at lower temperatures.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117517"},"PeriodicalIF":5.8,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924882","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

Transparent ceramics by cold sintering process – Challenges and opportunities

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-06 DOI: 10.1016/j.jeurceramsoc.2025.117519

Vojtěch Nečina

引用次数: 0

Atomic migration behavior of Ta4HfC5-SiBCN ceramics sintered by hot-pressing 热压烧结Ta4HfC5-SiBCN陶瓷的原子迁移行为

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-06 DOI: 10.1016/j.jeurceramsoc.2025.117510

Jingyi Guan , Daxin Li , Bo Wang , Zhihua Yang , Ning Cao , Ling Li , Yingying Wang , Dechang Jia , Yu Zhou

{"title":"Atomic migration behavior of Ta4HfC5-SiBCN ceramics sintered by hot-pressing","authors":"Jingyi Guan , Daxin Li , Bo Wang , Zhihua Yang , Ning Cao , Ling Li , Yingying Wang , Dechang Jia , Yu Zhou","doi":"10.1016/j.jeurceramsoc.2025.117510","DOIUrl":"10.1016/j.jeurceramsoc.2025.117510","url":null,"abstract":"<div><div>Ultra-high temperature ceramics matrix composites have great potential for application in the aerospace. However, the effects of atomic diffusion behavior on the properties are not clear. This work focuses on the diffusion behavior of Ta<sub>4</sub>HfC<sub>5</sub>-SiBCN multilayer gradient ceramics with meshing structure sintered by hot-pressing sintering. The order of atomic interdiffusion coefficients is Hf> Ta> Si, corresponding to (17.03 ± 8.15), (14.38 ± 5.67) and (10.71 ± 2.88) × 10<sup>−18</sup> m<sup>2</sup>/s, respectively. Moreover, the atomic migration behavior between Ta<sub>4</sub>HfC<sub>5</sub> and SiBCN was studied based on first principles. The results show that the vacancy migration energy of Ta atoms in SiC is 0.92 eV, which is greater than that of Hf atoms with 0.18 eV. In addition, Hf atoms promotes vacancy diffusion of Si atoms in the TaC lattice. This work provides data support for the exploration of basic research and diffusion mechanisms.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117510"},"PeriodicalIF":5.8,"publicationDate":"2025-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924881","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