{"title":"Facile preparation of peanut-shaped cobalt-doped zinc manganese oxide as a cathode for zinc-ion battery","authors":"Achanai Buasri , Chananchida Patitad , Chonthicha Bunnom , Phonsawan Butdee , Prasit Pattananuwat , Vorrada Loryuenyong","doi":"10.1016/j.bsecv.2026.100487","DOIUrl":"10.1016/j.bsecv.2026.100487","url":null,"abstract":"<div><div>The peanut-shaped cobalt (Co)-doped zinc manganese oxide (ZMO: ZnMn<sub>2</sub>O<sub>4</sub>) was successfully synthesized via a simple solvothermal and calcination process. The effects of Co-doping concentration on the structural and electrochemical properties of the samples were examined. The novel porous Zn<sub>1−<em>x</em></sub>Co<sub><em>x</em></sub>Mn<sub>2</sub>O<sub>4</sub> materials with different molar fractions relative to Zn (where <em>x</em> <!-->=<!--> <!-->0, 0.15, 0.3, and 0.45) were characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, ultraviolet–visible–near infrared (UV–Vis–NIR) spectroscopy, field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectroscopy (EDS), and nitrogen (N<sub>2</sub>) adsorption–desorption isotherms. The results demonstrated that the incorporation of Co into the ZnMn<sub>2</sub>O<sub>4</sub> lattice did not produce any distinct secondary phases. The microparticle size and the specific surface area increased, while the energy band gap was reduced. The application of the peanut-shaped Co-doped ZnMn<sub>2</sub>O<sub>4</sub> samples as cathode materials for zinc-ion batteries (ZIBs) was also investigated. The ZMO-0.45Co sample exhibited a larger cyclic voltammetry (CV) peak area, higher redox peak value, and lower charge transfer resistance (<em>R</em><sub>ct</sub>) compared to the undoped sample (ZMO-0Co). The maximum charge and discharge capacities were 133.0 and 122.5<!--> <!-->mAh<!--> <!-->g<sup>−1</sup>, respectively. These results suggest that the Co doping in peanut-shaped ZMO enhances charge transfer efficiency and improves the specific capacity of cathode material in ZIBs.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 2","pages":"Article 100487"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147426361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jorge González-Morales, Jadra Mosa, Mario Aparicio
{"title":"Bifunctional platinum group metal-free iron–manganese catalyst for long-term rechargeable zinc-air batteries","authors":"Jorge González-Morales, Jadra Mosa, Mario Aparicio","doi":"10.1016/j.bsecv.2026.100489","DOIUrl":"10.1016/j.bsecv.2026.100489","url":null,"abstract":"<div><div>Rechargeable zinc-air batteries (ZABs) are promising for sustainable energy storage; however, their widespread application is limited by the high cost and scarcity of platinum group metal (PGM) catalysts. This study presents a novel platinum group metals- and cobalt-free bimetallic Fe/Mn catalyst, synthesized via a sol–gel method with urea and surfactants, followed by low-temperature thermal treatments. Two thermal routes were investigated: one in air and another in ammonia flow. Characterization by SEM, BET, TGA-DTA, FTIR, Raman, and XRD revealed distinct structural differences. The ammonia-treated catalyst showed a high surface area (182<!--> <!-->m<sup>2</sup>/g) and incorporation of nitrogen and carbon into the structure, forming nitrides and graphitic carbon, which contributed to enhanced porosity and catalytic performance. Electrochemical tests confirmed bifunctional activity for both the oxygen reduction (ORR) and oxygen evolution (OER) reactions. Notably, the NH<sub>3</sub>-treated catalyst demonstrated superior long-term stability during galvanostatic cycling in a ZAB setup. These findings highlight the potential of Fe/Mn-based, PGM-free catalysts for the development of long-life rechargeable ZABs, emphasizing the beneficial role of nitrogen incorporation in improving structural stability and catalytic efficiency.</div><div>.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 2","pages":"Article 100489"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147426362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of solvent and binder on fabrication of thin layers of argyrodite-type sulfide solid electrolyte","authors":"Wakana Kobayashi , Nataly Carolina Rosero-Navarro , Akira Miura , Kiyoharu Tadanaga","doi":"10.1016/j.bsecv.2026.100485","DOIUrl":"10.1016/j.bsecv.2026.100485","url":null,"abstract":"<div><div>Sheet-type all-solid-state lithium batteries are promising candidates for large-scale energy-storage applications. In particular, the use of thin sulfide-based solid-electrolyte layers can significantly reduce battery volume. However, preparing such electrolyte layers or sheets remains challenging due to the limited chemical compatibility of sulfide electrolytes with common solvents and binders. In this study, we investigate the fabrication of an argyrodite-type sulfide solid-electrolyte sheet using an acetonitrile–ethanol solvent mixture and ethyl cellulose as the binder. First, we examine how the chosen solvents and binder influence the crystal phase, structure, morphology, and ionic conductivity of the electrolyte. Next, we optimize the electrolyte composition and processing parameters to achieve uniform, flexible, and highly conductive sheets via the doctor-blade method. As a result, a uniform, crack-free argyrodite solid-electrolyte layer with a thickness of approximately 5<!--> <!-->μm and an ionic conductivity of 0.23<!--> <!-->mS<!--> <!-->cm<sup>−1</sup> is obtained, providing a thin electrolyte layer suitable for subsequent fabrication of sheet-type all-solid-state batteries.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 2","pages":"Article 100485"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147426414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"La importancia del procesamiento de materiales","authors":"Amador C. Caballero","doi":"10.1016/j.bsecv.2026.100497","DOIUrl":"10.1016/j.bsecv.2026.100497","url":null,"abstract":"","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 2","pages":"Article 100497"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147750346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of calcined halloysite addition on mechanical strength and deformation behavior of ceramic tableware","authors":"Elif Kabakci , Neslihan Basaran , Neslihan Tamsu Selli","doi":"10.1016/j.bsecv.2026.100484","DOIUrl":"10.1016/j.bsecv.2026.100484","url":null,"abstract":"<div><div>This study investigates the effect of adding 0.1, 0.3, 0.6, 1.0, 2.0<!--> <!-->wt.% halloysite clay, which is calcined at 600<!--> <!-->°C, to the standard ceramic tableware slurry. The test specimens were fabricated by pressing of granulated compositions and subsequently sintering at 1180<!--> <!-->°C for 2<!--> <!-->h. Detailed deformation, mechanical and microstructure characterization studies were done on sintered samples. All sintered samples with halloysite exhibited higher bending strength than the standard sample. The sample with 1.0<!--> <!-->wt.% calcined halloysite showed the highest bending strength (12.80<!--> <!-->MPa) and the lowest pyroplastic deformation (1.15<!--> <!-->×<!--> <!-->10<sup>−5</sup> <!-->cm<sup>−1</sup>) among all the samples. Phase analysis and microstructural investigations revealed a significant increase in needle-like mullite phases within the microstructure at this optimal halloysite concentration. These findings suggest that the augmented interlocking of mullite grains contributes to improved mechanical strength and reduced deformation. This study demonstrates halloysite addition might enhance the technological properties of conventional tableware to achieve a reduced thickness in line with current market trends and environmental considerations.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 2","pages":"Article 100484"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147425769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Laura Cristina Isabel Fonseca Becerra , Carlos Arturo Parra Vargas , Edwin Moncada-Villa , Edwin Alberto Murillo Ruíz , Laura Yolima Moreno Rozo , Miryam Rincón Joya , Angela Mercedes Raba-Páez
{"title":"Crystalline phase-dependent bactericide properties of CuO/CuWO4 heterostructures against Gram-negative bacterial strains","authors":"Laura Cristina Isabel Fonseca Becerra , Carlos Arturo Parra Vargas , Edwin Moncada-Villa , Edwin Alberto Murillo Ruíz , Laura Yolima Moreno Rozo , Miryam Rincón Joya , Angela Mercedes Raba-Páez","doi":"10.1016/j.bsecv.2026.100488","DOIUrl":"10.1016/j.bsecv.2026.100488","url":null,"abstract":"<div><div>CuO, CuWO<sub>4</sub> and materials of copper and tungsten were prepared through simple wet chemical route. X-ray diffraction (XRD) results showed the formation of two predominant crystalline phases: CuO and CuWO<sub>4</sub>. Specifically, the materials of copper and tungsten exhibited those crystalline phases in different concentrations for each oxide. A first semi-quantitative analysis allowed determine most of crystalline parameters that characterize the samples. Complementary, Fourier transform infrared spectroscopy (FTIR) analysis allowed to verify the crystalline phases formation because any vibration band associate at other compound was detected. In terms of morphological properties, two different morphologies were observed: polyhedral grains associated to CuO and nanoparticles linked to CuWO<sub>4</sub>, fact that confirm the heterostructure formation. These properties were supplemented with the estimation of surface parameters and parameters of hydrodynamic stability, which induce the principle of application of the heterostructures obtained in biological applications. Then, the bactericide response was evaluated. 100:1 and 100:2 materials showed an outstanding bactericide response, due to similar structural, morphological and superficial properties, and the fact to Cu<sub>2</sub>O secondary phase was detected at a lower percentage. In this investigation the capacity of CuO/CuWO<sub>4</sub> heterostructures in bactericide activity against Gram negative bacteria was verified.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 2","pages":"Article 100488"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147426373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sintering behavior and microwave dielectric properties of 0.6Zn2−xSiO4−x (0.2 ≤ x ≤ 0.65)–0.4Zn0.17Nb0.33Ti0.5O2 ceramics with near-zero temperature coefficient of resonant frequency","authors":"Zefeng Jiang , Yujie Li , Lixia Peng , Jiahua Zhu , Zhangzhao Weng","doi":"10.1016/j.bsecv.2026.100486","DOIUrl":"10.1016/j.bsecv.2026.100486","url":null,"abstract":"<div><div>The rapid development of 5G and 6G communication systems has created a strong demand for high-performance microwave dielectric ceramics, which are critical for supporting ultra-high-frequency signal transmission, device miniaturization, and thermal stability. Zn<sub>2</sub>SiO<sub>4</sub> ceramics are considered promising candidates for high-frequency wireless communication and packaging technology due to their low permittivity and ultra-low loss tangent. However, achieving a near-zero temperature coefficient of resonant frequency (<em>τ</em><sub>f</sub>) at relatively low sintering temperatures remains a significant challenge. In this study, Zn<sub>0.17</sub>Nb<sub>0.33</sub>Ti<sub>0.5</sub>O<sub>2</sub> (ZNT) was introduced to tune the <em>τ</em><sub>f</sub> value for Zn<sub>2</sub>SiO<sub>4</sub> ceramics, aiming to develop Zn<sub>2</sub>SiO<sub>4</sub>-based ceramic composites with near-zero <em>τ</em><sub>f</sub>. The effects of varying Zn/Si ratios on the sintering behavior and microwave dielectric properties of 0.6Zn<sub>2−<em>x</em></sub>SiO<sub>4−<em>x</em></sub>–0.4ZNT (0.2<!--> <!-->≤<!--> <em>x</em> <!-->≤<!--> <!-->0.65) ceramics were systematically investigated. Optimal microwave dielectric properties of <em>ɛ</em><sub>r</sub> <!-->=<!--> <!-->12.75, <em>Q</em> <!-->×<!--> <em>f</em> <!-->=<!--> <!-->37,182<!--> <!-->GHz (at 10.805<!--> <!-->GHz), and <em>τ</em><sub>f</sub> <!-->≈<!--> <!-->−1.47<!--> <!-->ppm/°C were obtained for the densified 0.6Zn<sub>1.5</sub>SiO<sub>3.5</sub>–0.4ZNT ceramic sintered at 1150<!--> <!-->°C for 3<!--> <!-->h. Furthermore, terahertz time-domain spectroscopy (THz-TDS) measurements in the 0.4–1.2<!--> <!-->THz range demonstrated excellent dielectric performance, highlighting the material's potential for next-generation communication applications. The favorable microwave and terahertz dielectric properties, combined with low-temperature sintering behavior, present new opportunities for the development of high-frequency wireless communication devices.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 2","pages":"Article 100486"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147426725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marta Rodrigo , María Fernanda Gazulla , Arnaldo Moreno
{"title":"Urban mining of Co3O4 spinel from spent lithium-ion batteries","authors":"Marta Rodrigo , María Fernanda Gazulla , Arnaldo Moreno","doi":"10.1016/j.bsecv.2025.100481","DOIUrl":"10.1016/j.bsecv.2025.100481","url":null,"abstract":"<div><div>Cobalt is essential to industrial growth, and a low-carbon economy. It is crucial to the production of lithium-ion batteries and national security. Other industrial applications are: superalloys, catalysts, hard metals, ceramics, or magnets. In particular, 5.3% cobalt demand was used in the ceramic sector in 2024, accounting for almost 12 kt. The European Union (EU) relies on imports of refined cobalt, especially from China and the Democratic Republic of the Congo. To ensure strategic autonomy, the EU aims to increase cobalt processing and recycling. This study focuses on the optimization of the leaching process to recover cobalt from spent LIBs with high efficiency and purity for sustainable use. Sulphuric, citric, and nitric acids were selected for the study, varying the concentration of the dissolution, reaction time and temperature, and the solid-to-liquid ratio. The best results were obtained using a 2<!--> <!-->M HNO<sub>3</sub> solution with 4<!--> <!-->vol.% H<sub>2</sub>O<sub>2</sub> and a 1:50 solid-to-liquid ratio, working at a temperature of 85<!--> <!-->°C for 60<!--> <!-->min. The applicability of the recovered cobalt oxide was assessed by its use in the synthesis of a ceramic blue pigment.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 1","pages":"Article 100481"},"PeriodicalIF":2.7,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145926222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Carolina Cardell , Maja Urosevic , Danielle Dias Martins , Isabel Guerra , Alberto García Porras
{"title":"Archaeometric analysis of Nasrid glazed architectural ceramics from the Alhambra and Generalife Monument, Granada (Spain)","authors":"Carolina Cardell , Maja Urosevic , Danielle Dias Martins , Isabel Guerra , Alberto García Porras","doi":"10.1016/j.bsecv.2025.100477","DOIUrl":"10.1016/j.bsecv.2025.100477","url":null,"abstract":"<div><div>This work presents the first systematic archaeometric data of 13th–14th century AD Nasrid glazed architectural ceramics from the Alhambra and Generalife, focusing on colour-specific glazing technologies. Findings provide new insights into Nasrid glazing technology, ceramic typologies, and conservation implications, contributing to discussions on Islamic material culture and technical traditions in al-Andalus. Analysed typologies include mosaic, inlay, relief tiles, roof lights, and steles with glazes in white, blue, green-turquoise, black, and honey tones. Microstructural and chemical results reveal decorative chromophores and techniques to be a reference for future studies. Most glazes are inglaze on lead tin-opacified bases, fired in oxidising conditions at ∼950<!--> <!-->°C. Phosphorus was found in weathered glazes (associated with a burial environment) and unweathered white and blue glazes, suggesting deliberate addition of bones (fragments/ashes). Identified phases in most glazes were unmelted quartz and feldspars grains, and relatively abundant Cr-bearing wollastonite crystals precipitated during firing. Furthermore, one of the fragments with a black surface was determined not to be a glaze, but rather a polished section of a metamorphic rock.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 1","pages":"Article 100477"},"PeriodicalIF":2.7,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Stability of tricalcium phosphate polymorphs in the Ca3(PO4)2–Zn3(PO4)2–Mg3(PO4)2 system and solid-state compatibilities of CaO–P2O5–MgO–ZnO system at 900 °C","authors":"Sara Serena, María Antonia Sainz, Ángel Caballero","doi":"10.1016/j.bsecv.2025.100482","DOIUrl":"10.1016/j.bsecv.2025.100482","url":null,"abstract":"<div><div>Stability and microstructure of tricalcium phosphate polymorphs (TCP) in the Ca<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>–Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>·Mg<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> phase equilibria diagram from experimental studies between 1200<!--> <!-->°C and 1400<!--> <!-->°C have been determined. Solid-state compatibilities in the CaO–P<sub>2</sub>O<sub>5</sub>–MgO–ZnO system were defined at 900<!--> <!-->°C for P<sub>2</sub>O<sub>5</sub> <!-->≤<!--> <!-->50% mole %, from a complete review of the previously published binary, pseudo-binary, ternary and pseudo-ternary systems and key phase diagrams experiments on CaO–P<sub>2</sub>O<sub>5</sub>–MgO–ZnO system. The phase compatibilities of TCP, without considering solid solutions, except for Mg<sub>2</sub>P<sub>2</sub>O<sub>7</sub>-Zn<sub>2</sub>P<sub>2</sub>O<sub>7</sub> complete solid solution, were stablished and the role of MgO and ZnO on the formation of phases compatible with Ca<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> was discussed.</div></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"65 1","pages":"Article 100482"},"PeriodicalIF":2.7,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145977604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}