Journal of The European Ceramic Society最新文献_第9页

Role of iron-rich clays on sintering of porcelain stoneware tiles 富铁粘土对瓷炻砖烧结的作用

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-26 DOI: 10.1016/j.jeurceramsoc.2024.116947

L. Nodari , S. Conte , L. Casini , M. Sisti , R. Fantini , A.F. Gualtieri , C. Molinari , C. Zanelli , D. Giordano , M. Dondi , R. Arletti

{"title":"Role of iron-rich clays on sintering of porcelain stoneware tiles","authors":"L. Nodari , S. Conte , L. Casini , M. Sisti , R. Fantini , A.F. Gualtieri , C. Molinari , C. Zanelli , D. Giordano , M. Dondi , R. Arletti","doi":"10.1016/j.jeurceramsoc.2024.116947","DOIUrl":"10.1016/j.jeurceramsoc.2024.116947","url":null,"abstract":"<div><div>Porcelain stoneware traditionally contains low Fe2O3 (<1 wt%), limiting research on iron's effects beyond coloration to date. However, recent changes in the supply chain induced a shift towards resource efficiency and circular economy, which led to body formulations with Fe2O3 up to 2.5 wt%. This study investigates the impact of iron-rich clays on the firing behaviour of porcelain stoneware, focusing on sintering processes, Fe speciation, and physical properties of the vitreous phase. Results show that red clays influence vitrification paths and maximum densification temperature, as well as composition and properties of the melt. This occurs not only because the relatively high iron percentage (up to 1.7 wt%), but for a set of factors, like the overall mineralogical and chemical composition of batches. Iron turns to be crucial for the stability of ceramic bodies at high temperatures, since Fe3+ can partially reduce to Fe2+, releasing gases and contributing to bloating phenomena.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of phase composition on the crystal structure and microwave dielectric properties of ZnMg2TiO5 ceramics 相组成对 ZnMg2TiO5 陶瓷晶体结构和微波介电性能的影响

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-26 DOI: 10.1016/j.jeurceramsoc.2024.116944

Qianbiao Du , Zhicong Chen , Kun Wei , Jiaojiao Liu , Linzhao Ma , Hao Li

{"title":"Effect of phase composition on the crystal structure and microwave dielectric properties of ZnMg2TiO5 ceramics","authors":"Qianbiao Du , Zhicong Chen , Kun Wei , Jiaojiao Liu , Linzhao Ma , Hao Li","doi":"10.1016/j.jeurceramsoc.2024.116944","DOIUrl":"10.1016/j.jeurceramsoc.2024.116944","url":null,"abstract":"<div><div>Novel microwave dielectric ceramics ZnMg2TiO5 were synthesized by traditional solid-state method. Crystal structure refinement, transmission electron microscopy (TEM), and Raman spectroscopy reveal the coexistence of a secondary phase, MgO, with the predominant cubic spinel phase (Fd-3m) in ZnMg2TiO5 ceramics. The ceramics with dense microstructures exhibit excellent microwave dielectric properties at 1260 °C: εr = 15.6, Q×f = 92,899 GHz (at 10.8 GHz), and τf = −56.9 ppm/°C. The content of MgO, driven by thermodynamic factors, influences significantly impact the microstructure and microwave dielectric properties of the ceramics, particularly inducing the generation of localized lattice distortions and the formation of dislocations. The εr follows the same trend as the molecular polarizability of the actual individual crystal cells. Notably, a near-zero τf (−7.4 ppm/°C) was realized by two-phase composites and excellent comprehensive properties were obtained (εr = 17.9, Q×f = 57,546 GHz).</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142327831","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

Growth and thickness effect of <100>-oriented ternary 0.06Pb(Mn1/3Nb2/3)O3-0.94Pb(Zr0.48Ti0.52)O3 ferroelectric thin films on silicon substrate by RF sputtering 通过射频溅射在硅衬底上生长取向三元 0.06Pb(Mn1/3Nb2/3)O3-0.94Pb(Zr0.48Ti0.52)O3 铁电薄膜及其厚度效应

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-26 DOI: 10.1016/j.jeurceramsoc.2024.116951

Zhuo Chen , Xianyao Jiang , Yuyang Qian , Yile Gu , Qinyao Zhu , Yuan Yao , Zhongchen Gao , Zhihua Duan , Tao Wang , Yanxue Tang , Xiangyong Zhao , Feifei Wang

{"title":"Growth and thickness effect of <100>-oriented ternary 0.06Pb(Mn1/3Nb2/3)O3-0.94Pb(Zr0.48Ti0.52)O3 ferroelectric thin films on silicon substrate by RF sputtering","authors":"Zhuo Chen , Xianyao Jiang , Yuyang Qian , Yile Gu , Qinyao Zhu , Yuan Yao , Zhongchen Gao , Zhihua Duan , Tao Wang , Yanxue Tang , Xiangyong Zhao , Feifei Wang","doi":"10.1016/j.jeurceramsoc.2024.116951","DOIUrl":"10.1016/j.jeurceramsoc.2024.116951","url":null,"abstract":"<div><div>The development of advanced piezoelectric thin films with large piezoelectric response on silicon substrate is a crucial technology for piezoelectric microelectromechanical systems applications. In this work, high-quality <100>-oriented 0.06Pb(Mn1/3Nb2/3)O3-0.94Pb(Zr0.48Ti0.52)O3 (PMN-PZT) thin films were grown on the Pt/Ti/SiO2/Si substrate by sputtering. X-ray diffraction, scanning electron microscopy, and piezoresponse force microscopy were utilized to characterize the phase, morphologies, and domain structures. The growth parameters were optimized and thickness-dependent electrical properties were established. Well-crystalized micron-thick PMN-PZT films with high remnant polarization of 49 <math><mrow><mtext>μC</mtext><mo>/</mo><msup><mrow><mtext>cm</mtext></mrow><mrow><mn>2</mn></mrow></msup></mrow></math> and giant piezoelectric coefficient (<math><msub><mrow><mi>d</mi></mrow><mrow><mn>33</mn></mrow></msub></math>) up to 484 <math><mrow><mtext>pC</mtext><mo>/</mo><mtext>N</mtext></mrow></math> (about twice of the polycrystalline PMN-PZT thin film and thrice of the Pb(Zr0.52Ti0.48)O3 thin film) were obtained. The excellent electrical properties make it highly advantageous for applications in MEMS devices.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142357741","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

Temperature dependence of Young’s modulus, damping and dilatation during repeated thermal cycling of silica refractories for high-temperature thermal energy storage (TES) 用于高温热能储存（TES）的二氧化硅耐火材料在反复热循环过程中的杨氏模量、阻尼和膨胀与温度的关系

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-25 DOI: 10.1016/j.jeurceramsoc.2024.116946

Eva Gregorová , Willi Pabst , Petra Šimonová , Vojtěch Nečina , Lucie Kotrbová , Petr Bezdička , Jana Hubálková , Gert Schmidt , Christos G. Aneziris , Ivona Sedlářová , Miroslav Kotouček

{"title":"Temperature dependence of Young’s modulus, damping and dilatation during repeated thermal cycling of silica refractories for high-temperature thermal energy storage (TES)","authors":"Eva Gregorová , Willi Pabst , Petra Šimonová , Vojtěch Nečina , Lucie Kotrbová , Petr Bezdička , Jana Hubálková , Gert Schmidt , Christos G. Aneziris , Ivona Sedlářová , Miroslav Kotouček","doi":"10.1016/j.jeurceramsoc.2024.116946","DOIUrl":"10.1016/j.jeurceramsoc.2024.116946","url":null,"abstract":"<div><div>Silica refractories are traditional materials for several important niche applications (e.g. coke oven linings and glass melter roofs) but are also potential candidates for modern high-temperature thermal energy storage. For this application all aspects of its high-temperature behavior must be thoroughly known. In this paper the temperature dependence of Young’s modulus and damping of silica refractories is investigated via impulse excitation during (three times repeated) heating to 900, 1100, 1300 and 1500 °C and cooling back to room temperature. Apart from the well-known hysteresis effects, induced by changes in the phase composition (based on tridymite and cristobalite) and microstructure (crack closure and re-opening), it is shown that cycling to 900 and 1100 °C leads to damage accumulation, while heating to 1300 and 1500 °C does not, and in the latter case a new type of elastic anomaly is observed during reheating. Damping and hysteresis parameters are discussed as well.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing energy storage performance of dielectric capacitors: Tailoring CaO-SrO-Na2O-Nb2O5-SiO2 glass-ceramics through controlled crystallization for pulse power applications 提高电介质电容器的储能性能：通过控制结晶定制 CaO-SrO-Na2O-Nb2O5-SiO2 玻璃陶瓷，用于脉冲功率应用

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-25 DOI: 10.1016/j.jeurceramsoc.2024.116949

Wei Zheng , Tianpeng Liang , Yuan Liu , Haolun Fu , Hongwei Chen , Libin Gao , Daming Chen , Yuanxun Li

{"title":"Enhancing energy storage performance of dielectric capacitors: Tailoring CaO-SrO-Na2O-Nb2O5-SiO2 glass-ceramics through controlled crystallization for pulse power applications","authors":"Wei Zheng , Tianpeng Liang , Yuan Liu , Haolun Fu , Hongwei Chen , Libin Gao , Daming Chen , Yuanxun Li","doi":"10.1016/j.jeurceramsoc.2024.116949","DOIUrl":"10.1016/j.jeurceramsoc.2024.116949","url":null,"abstract":"<div><div>As potential dielectric materials for capacitors, glass-ceramics exhibit significant promise in the realm of pulse power supply. Extensive research has been undertaken to explore the commendable voltage resistance and favorable dielectric properties of glass-ceramics. They exhibit a rapid charge and discharge rate. However, the limited energy storage density of glass-ceramics constrains their practical application. In this study, we focused on the preparation of CaO-SrO-Na2O-Nb2O5-SiO2(CSNNS) glass-ceramics through conventional melting and high-temperature crystallization processes. Our investigation delved into the impact of crystallization temperature on the phase composition, dielectric properties, and energy storage characteristics of the CSNNS glass-ceramics. The results indicate a direct correlation between the dielectric constant and dielectric loss, both exhibiting an upward trend with increasing crystallization temperature. Simultaneously, the microstructure of the glass-ceramics manifests signs of deterioration, characterized by larger grain size and heightened porosity, leading to a reduction in breakdown strength. At a crystallization temperature of 1100 °C, the CSNNS glass-ceramics demonstrated a remarkable combination of a high dielectric constant (∼280) and superior breakdown strength (481 kV/cm). The achieved maximum theoretical energy storage density reached 2.87 J/cm3. At an electric field of 100 kV/cm, the effective energy storage density is 0.23 J/cm3, and the energy storage efficiency is 72 %. These findings demonstrate the broad application potential of the CSNNS glass-ceramics in the domain of pulse power, highlighting their relevance for future developments in this field.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418329","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 thermoelectric performance of p-type BixSb2−xTe3 by optimizing carrier concentration 通过优化载流子浓度提高 p 型 BixSb2-xTe3 的热电性能

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-25 DOI: 10.1016/j.jeurceramsoc.2024.116942

Shengqiang Cui, Chao Wang, Min Hao, Xudong Huang, Chunhui Wang, Xinxin Wang, Yajing Wang

{"title":"Enhancing thermoelectric performance of p-type BixSb2−xTe3 by optimizing carrier concentration","authors":"Shengqiang Cui, Chao Wang, Min Hao, Xudong Huang, Chunhui Wang, Xinxin Wang, Yajing Wang","doi":"10.1016/j.jeurceramsoc.2024.116942","DOIUrl":"10.1016/j.jeurceramsoc.2024.116942","url":null,"abstract":"<div><div>Bismuth telluride-based alloys are widely used as commercial thermoelectric materials around room temperature. In this study, Bi0.46Sb1.54Te3 alloys were synthesized using a solid-state reaction method with precise control of the Bi/Sb stoichiometric ratio. Increasing Bi content enhanced the bond polarity, raising the formation energy of antisite defects, and reducing carrier concentration. The carrier concentration decreased from <math><mrow><mn>5</mn><mo>.</mo><mn>7</mn><mo>×</mo><mn>1</mn><msup><mrow><mn>0</mn></mrow><mrow><mn>19</mn></mrow></msup></mrow></math> cm−3 to <math><mrow><mn>4</mn><mo>.</mo><mn>2</mn><mo>×</mo><mn>1</mn><msup><mrow><mn>0</mn></mrow><mrow><mn>19</mn></mrow></msup></mrow></math> cm−3. Additionally, SEM observations identified a significant presence of precipitates, while TEM analysis revealed nano-sized secondary phases within the matrix. Due to the scattering of phonons by precipitates on the grain surfaces and nano-sized secondary phases, the lattice thermal conductivity near room temperature was significantly reduced to 0.29 W/m K. The optimized composition achieved a peak ZT of 1.59 at 350 K and an average ZT (ZT<math><msub><mrow></mrow><mrow><mtext>ave</mtext></mrow></msub></math>) of 1.46 between 300–500 K. This work demonstrates that controlling the Bi/Sb ratio is an effective strategy to improve the thermoelectric performance of (Bi,Sb)<math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math>Te<math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math> alloys.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142357742","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

Ultrathin green-emitting LuAG:Ce-Al2O3 composite fine-grained ceramics for high-brightness chip-scale packaging LEDs 用于高亮度芯片级封装 LED 的超薄绿色发光 LuAG:Ce-Al2O3 复合细粒陶瓷

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-25 DOI: 10.1016/j.jeurceramsoc.2024.116948

Junrong Ling , Ye Zhang , Haitao Zhang , Wentao Xu , Youfu Zhou , Maochun Hong

引用次数: 0

Enhancing piezoelectric properties of BiScO3-PbTiO3 ceramics via- incorporation of Bi(Zn1/2Ti1/2)O3 with high spontaneous polarization 通过掺入具有高自发极化特性的 Bi（Zn1/2Ti1/2）O3 增强 BiScO3-PbTiO3 陶瓷的压电特性

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-24 DOI: 10.1016/j.jeurceramsoc.2024.116945

Mingwen Wang , Fenghua Tian , Chunchun Li , Shuai Yang , Jie Wu , Jinglei Li , Xuechen Liu , Jinjing Zhang , Fei Li

{"title":"Enhancing piezoelectric properties of BiScO3-PbTiO3 ceramics via- incorporation of Bi(Zn1/2Ti1/2)O3 with high spontaneous polarization","authors":"Mingwen Wang , Fenghua Tian , Chunchun Li , Shuai Yang , Jie Wu , Jinglei Li , Xuechen Liu , Jinjing Zhang , Fei Li","doi":"10.1016/j.jeurceramsoc.2024.116945","DOIUrl":"10.1016/j.jeurceramsoc.2024.116945","url":null,"abstract":"<div><div>High-performance piezoelectric materials are the core elements for the fabrication piezoelectric transducers and actuators. In recent years, there has been an increasing demand for piezoelectric materials with both high operational temperature and large piezoelectricity. However, the conventional approach of soft doping to enhance the piezoelectric response often results in a reduction in Curie temperature. To address this issue, we incorporated Bi(Zn1/2Ti1/2)O3 with a large spontaneous polarization (Ps ∼ 100 µC/cm2) and high Curie temperature (Tc ∼ 1380 °C) into BiScO3-PbTiO3 ceramics to improve the piezoelectric response while maintaining high Tc. The newly developed 0.08Bi(Zn1/2Ti1/2)O3-0.335BiScO3-0.585PbTiO3 ceramic exhibits impressive properties including a high d33 value of 585 pC/N (increased by ∼ 33 % compared to the 0.36BiScO3-0.64PbTiO3 ceramics), an electromechanical coupling coefficient k33 of 0.75, a dielectric constant ε′ of 2380, a relatively high Tc of 421 °C. These remarkable improvements hold great promise for advancing high-temperature piezoelectric devices.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142327848","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

Novel single-phase Li2SiO3 microwave dielectric ceramic with low permittivity 具有低介电常数的新型单相 Li2SiO3 微波介电陶瓷

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-23 DOI: 10.1016/j.jeurceramsoc.2024.116940

Yanwei Huang , Xiuhong Yang , Yingchun Zhang

{"title":"Novel single-phase Li2SiO3 microwave dielectric ceramic with low permittivity","authors":"Yanwei Huang , Xiuhong Yang , Yingchun Zhang","doi":"10.1016/j.jeurceramsoc.2024.116940","DOIUrl":"10.1016/j.jeurceramsoc.2024.116940","url":null,"abstract":"<div><div>Novel low-permittivity lithium metasilicate (Li2SiO3) ceramics were synthesized to explore the relationships between crystal structure parameters and dielectric properties. X-ray diffraction and Rietveld refinement indicated that the Li2SiO3 ceramics formed a single orthorhombic structure with a Cmc21 space group. Optimal microwave dielectric properties of εr = 6.20 ± 0.02, Q×f = 30,550 ± 250 GHz (f0 = 15.5 GHz), and τf = −40.95 ± 0.56 ppm/℃ were achieved through sintering at 1025 ℃. Raman spectroscopy analysis showed that the values of εr and Q×f were negatively correlated with the Raman shift and full width at half maximum of the strongest peak at 982 cm−1, respectively. Meanwhile, the Phillips–Vechten–Levine theory revealed that the εr values and the Q×f values were closely related to the average bond ionicity and the lattice energy of the Si-O bonds, respectively. Moreover, the increase in τf values depended on the increase in oxygen bond valence and the distortion of the [LiO4] tetrahedron. These results on the Li2SiO3 ceramics could provide some theoretical information for developing high-performance microwave dielectric ceramics.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142318636","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

Li3V2(PO4)3 sintering atmosphere optimisation for its integration in all-solid-state batteries 优化 Li3V2(PO4)3 烧结气氛以将其集成到全固态电池中

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2024-09-23 DOI: 10.1016/j.jeurceramsoc.2024.116941

Timothée Fabre , Marie Lachal , Hari Raj , Valérie Pralong , Renaud Bouchet , Marlu César Steil

{"title":"Li3V2(PO4)3 sintering atmosphere optimisation for its integration in all-solid-state batteries","authors":"Timothée Fabre , Marie Lachal , Hari Raj , Valérie Pralong , Renaud Bouchet , Marlu César Steil","doi":"10.1016/j.jeurceramsoc.2024.116941","DOIUrl":"10.1016/j.jeurceramsoc.2024.116941","url":null,"abstract":"<div><div>Integration of active materials into the architecture of all-solid-state batteries represents a significant scientific inquiry. Li3V2(PO4)3 (LVP), a positive and negative electrode active material for Li-ion batteries, has been subject to extensive research to elucidate its electrochemical behaviour during cycling processes. However, the comprehensive analysis of its thermal behaviour under different sintering atmosphere conditions has remained underexplored, particularly in the context of its compatibility with solid electrolytes. This study presents a meticulous study of sintering process under different atmospheres with precise control over oxygen partial pressure. Interestingly, we were able to sinter LVP and obtain dense, pure ceramic phase under slightly oxidising atmosphere, characterized by conductivity properties analogous to those observed in samples sintered under Ar/H2 conditions. The findings of this investigation contribute to the understanding of the optimal conditions required for the sintering of LVP, paving the way for the co-sintering of this material with inorganic solid electrolyte unstable under reducing atmosphere, such as LATP.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0955221924008148/pdfft?md5=222f0270d91719df5cc6a78b57c51781&pid=1-s2.0-S0955221924008148-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142315039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0