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Valorization potential of coffee capsule waste: an updated bibliometric review

Environmental science and Pollution Research 2025年第4期32卷 1681-1692页

作者： dos Santos, Wallan Azevedo Holanda, José Nilson F. Postgraduate Program in Materials Science and Engineering Darcy Ribeiro Northern Fluminense State University RJ Campos Dos Goytacazes City28013-602 Brazil Laboratory of Advanced Materials Darcy Ribeiro Northern Fluminense State University RJ Campos Dos Goytacazes City28013-602 Brazil

In recent years, coffee capsule waste has been generated on an increasingly large scale worldwide, but disposing of it in an environmentally sustainable and economical manner still poses major challenges. This work maps the original scientific production focused on the valorization of coffee capsule waste through a bibliometric review based on scientific articles published in the last 10 years (from 2014 to 2024) in the Scopus database. The review identified different ways of valuing coffee capsule waste, including the development of composite materials, composting, energy production, jewelry and decorative items, and the construction of supercapacitors and sensors. Some significant aspects were also emphasized: (i) this subject has a high potential for further growth;(ii) the published articles considered only part of the components of the coffee capsule waste;and (iii) most of the published articles were based on laboratory-scale experiments. Thus, the valorization of coffee capsule waste requires even more development. To address these challenges, manufacturers, consumers, researchers, governments, and the recycling industry should make a joint effort to develop innovative solutions that enable the complete valorization of coffee capsule waste in an environmentally friendly way. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.

关键词： Circular economy

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Self SOC Estimation for Second-Life Lithium-Ion batteries

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IEEE Access 2025年 13卷 75033-75042页

作者： Gotz, Joelton Deonei Viana, Emilson Ribeiro Galvão, José Rodolfo Corrêa, Fernanda Cristina borsato, Milton badin, Alceu André Paraná Curitiba81280-340 Brazil Department of Computer Science Paraná Curitiba80215-901 Brazil Department of Physics Paraná Curitiba81280-340 Brazil Paraná Ponta Grossa80230-901 Brazil Postgraduate Program in Mechanical and Materials Engineering Paraná Curitiba81280-340 Brazil

Lithium-ion batteries (LIb) are the mainstream technology for energy storage in several industrial segments, such as mobility and stationary systems for solar, wind, or other alternative energy source. This technology has a long lifetime, low self-discharge, high capacity and density, and can store energy longer. Despite that, LIb is suitable to supply power for electric mobility if its state of health (SOH) is higher than 80%. Then, an alternative for batteries with SOH below that is recycling or second-life batteries (SLb). The first is expensive and complex;only some companies retain the technology. Still, the SLb can be an excellent solution to maintaining LIbs in operation for slow vehicles or stationary systems. However, SLb requires intelligent battery management systems (bMS) because the packs are composed of cells with different characteristics, which makes the operation more difficult. This work presents a system consisting of two Machine Learning (ML) layers to automatically estimate the state of charge (SOC) of SLb independent of the battery’s capacity or age. In the first phase, a Random Forest (RF) model was built and trained to discover the curve capacity of different SLb characteristics and capacities. After the capacity curve selection, in the second phase, a new RF model was built and trained for each capacity curve to make SOC inferences of the batteries. The discharge data curve of one hundred batteries was used for the development, whereas eighteen were used for the training and eighty-two for tests. The results indicated a root square mean error (RSME) below 45 mAh for the capacity estimation (phase 1), and an RSME below 0.87% was found in the second phase for the SOC estimation. Finally, the capacity and SOC models have been inserted in a Raspberry system to measure the main parameters of SLb (voltage and current) and make inferences in real time independent of the cell’s age. The results showed an RSME below 100 mAh for the first layer and be

关键词： Lithium-ion batteries

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Correction: materials laboratories of the future for alloys, amorphous, and composite materials (MRS bulletin, (2025), 50, 2, (190-207), 10.1557/s43577-024-00846-y)

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MRS bulletin 2025年 1-2页

作者： banerjee, Sarbajit Meng, Y. Shirley Minor, Andrew M. Zhang, Minghao Zaluzec, Nestor J. Chan, Maria K.Y. Seidler, Gerald McComb, David W. Agar, Joshua Mukherjee, Partha P. Melot, brent Chapman, Karena Guiton, beth S. Klie, Robert F. McCue, Ian D. Voyles, Paul M. Robertson, Ian Li, Ling Chi, Miaofang Destino, Joel F. Devaraj, Arun Marquis, Emmanuelle A. Segre, Carlo U. Liu, Huinan H. Yang, Judith C. Momeni, Kasra Misra, Amit Abdolrahim, Niaz Medvedeva, Julia E. Cai, Wenjun Sehirlioglu, Alp Dizbay-Onat, Melike Mehta, Apurva Graham-brady, Lori Maruyama, benji Rajan, Krishna Warner, Jamie H. Taheri, Mitra L. Kalinin, Sergei V. Reeja-Jayan, b. Schwarz, Udo D. Simon, Sindee L. brown, Craig M. Department of Chemistry and Department of Materials Science & Engineering Texas A & M University College Station United States Pritzker School of Molecular Engineering The University of Chicago Chicago United States Department of Materials Science & Engineering University of California Berkeley Berkeley United States National Center for Electron Microscopy Molecular Foundry Lawrence Berkeley National Laboratory Berkeley United States Center for Nanoscale Materials Argonne National Laboratory Lemont United States Department of Physics University of Washington Seattle United States Department of Materials Science & Engineering The Ohio State University Columbus United States Department of Mechanical Engineering and Mechanics Drexel University Philadelphia United States School of Mechanical Engineering Purdue University West Lafayette United States Department of Chemistry University of Southern California Los Angeles United States Department of Chemistry Stony Brook University The State University of New York Stony Brook United States Department of Chemistry University of Kentucky Lexington United States Department of Physics University of Illinois at Chicago Chicago United States Department of Materials Science & Engineering Northwestern University Evanston Bangladesh Department of Materials Science & Engineering University of Wisconsin–Madison Madison United States Department of Materials Science and Engineering University of Pennsylvania Philadelphia United States Department of Mechanical Engineering and Materials Science Duke University Durham United States Department of Chemistry Creighton University Omaha United States Physical and Computational Sciences Directorate Pacific Northwest National Laboratory Richland United States Department of Materials Science & Engineering University of Michigan–Ann Arbor Ann Arbor United States Department of Physics Illinois Institute of Technology Chicago United States Department of Bioengineering and the Mater

This article was updated to correct Minghao Zhang’s affiliation from "Pritzker School of Molecular engineering, The University of Chicago, Chicago, USA" to "Pritzker School of Molecular engineering, The University of Chicago, Chicago, USA;Argonne National Laboratory, Lemont, USA." Argonne National Laboratory was left off the original publication. © The Author(s) 2025.

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Stability and activity of nickel catalysts supported on diatomite for dry reforming of methane: Role of cerium and boron promoters

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Journal of the Energy Institute 2025年 120卷

作者： Azevedo, Amanda L. Melo, Dulce M.A. Silva, Yuri K.R.O. Oliveira, Ângelo A.S. Favacho, Vanessa S.S. Souza, Lalyson M.L.R. Rocha, Amanda R.C.C. braga, Renata M. Postgraduate Program in Chemistry Federal University of Rio Grande do Norte Natal Brazil Postgraduate Program in Materials Science and Engineering Federal University of Rio Grande do Norte Natal Brazil Postgraduate Program in Petroleum Science and Engineering Federal University of Rio Grande Do Norte Natal Brazil Agricultural School of Jundiaí Federal University of Rio Grande do Norte RN Macaíba Brazil

This study evaluates the activity and stability of nickel-based catalysts supported on diatomite and promoted with 1 or 2 wt% of cerium or boron for the dry reforming of methane (DRM). Diatomite, a naturally abundant and low-cost support, requires no complex synthesis procedures and remains relatively underexplored in DRM applications. Given the economic viability of using this material, the incorporation of promoters such as cerium and boron can enhance its catalytic properties, including resistance to coke formation, thermal stability, and activity at both low and high temperatures, thereby increasing its potential for industrial application. The support composition was analyzed by X-ray fluorescence (XRF), and its morphology was examined using scanning electron microscopy (SEM). The catalysts were characterized by SEM, X-ray diffraction (XRD), nitrogen physisorption, H2 temperature-programmed reduction (H2-TPR), thermogravimetric analysis (TGA), and Raman spectroscopy. The catalytic performance results indicated that cerium addition enhanced CO2 and CH4 conversion, with 2 wt% Ce-promoted catalyst stands out due to its significantly higher conversion rates and lower coke formation, as observed in TGA. The 2 wt% boron-promoted catalyst exhibited greater stability, with significant resistance to coke formation, despite showing lower CH4 conversion. SEM analysis revealed the presence of carbon filaments, particularly in the catalysts without boron, whereas boron-promoted catalysts showed reduced filamentous carbon formation. The activation energies derived from the Arrhenius plot further corroborate these findings, demonstrating that boron-promoted catalysts exhibited satisfactory performance at high temperatures (>800 °C), where the reaction is thermodynamically controlled. In turn, cerium-promoted catalysts achieved superior catalytic performance at ≤ 700 °C and performed similarly to boron-containing catalysts at higher temperatures. Therefore, both promoters impa

关键词： Thermogravimetric analysis

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Increased corrosion resistance of steel substrates coated with epoxy resin/ZnO/Fe 2 O 3 obtained from electric arc furnace dust recovery

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Journal of materials Research and Technology 2025年 36卷 9462-9472页

作者： Mário Andrean Macedo Castro Tanara Caroline Nunes Nicácio Antonio Carlos do Nascimento Santos José Eudes Lima Santos Luis David Loor-Urgilés Antonio Eduardo Martinelli Fabiana Villela da Motta Mauricio bomio LSQM–Laboratory of Chemical Synthesis of Materials Department of Materials Engineering Federal University of Rio Grande do Norte – UFRN P.O. Box 1524 Natal RN Brazil Institute of Chemistry Federal University of Rio Grande do Norte 59078-970 Natal RN Brazil Postgraduate Program in Materials Science and Engineering Federal University of Rio Grande do Norte 59078-900 Natal RN Brazil

The sustainable management of metal-rich industrial wastes, such as electric arc furnace dust (EAFD), remains a critical challenge for the steel industry. Although previous studies have investigated metal recovery routes and their application in functional materials, few have explored the reuse of these wastes as active components in anticorrosive coatings. This work proposes an innovative approach for valorizing EAFD, recovering iron (Fe 2 O 3 ) and zinc (ZnO) oxides through acid leaching, basic precipitation, and heat treatment. After recovery, mixed ZnO/Fe 2 O 3 oxides were prepared in different proportions and incorporated as nanofillers in an epoxy matrix, creating a hybrid coating aimed at protecting carbon steel against corrosion. The obtained materials were characterized by XRF, XRD, FTIR, SEM, and bET analysis, while the mechanical and anticorrosive properties were evaluated by Vickers hardness tests, Potentiodynamic Polarization and Electrochemical Impedance Spectroscopy. After 240 h of immersion in saline solution and 360 h of Salt-spray test, the coating with the highest Fe 2 O 3 content demonstrated superior performance, reducing the corrosion rate by up to 100 times and increasing the load transfer resistance by up to 80 times. The contribution of this study lies in both the proposal of a new cycle for reusing steel waste and in demonstrating a viable route for developing high-performance anticorrosive coatings with potential for industrial application in sectors such as oil and gas. The combination of waste recovery and functional improvement of the material positions this study as a technologically and environmentally relevant solution.

关键词： EAFD ZnO Fe 2 O 3 Epoxy resin Anti-corrosive coatings

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Thermo-optical properties of erbium-doped germanate-bismuth glasses

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Optical materials 2025年 166卷

作者： Silva, Adriano Almeida Lima, Lucas batista Silva da Silva, Isis Lee Garcia, Hans Anderson bell, Maria José Valenzuela Kassab, Luciana Reyes Pires Santos, Francisco Eroni Paz Postgraduate Program in Physics Federal University of Piauí PI 64049550 Brazil Department of Physics Federal University of Juiz de Fora MG Juiz de Fora36036-900 Brazil Faculdade de Tecnologia São Paulo CEETEPS SP São Paulo01124060 Brazil Postgraduate Program in Engineering and Materials Science Federal University of Teresina PI 64049550 Brazil

In this study, we investigate the thermo-optical properties of GeO2–bi2O3 glasses doped with different concentrations of rare earth ions by thermal lens technique;UV-VIS and photoluminescence (PL) spectroscopy, as well as measurements of thermal diffusivity, thermal conductivity and quantum efficiency, are presented aiming at potential photonic applications. High infrared fluorescence lifetimes around 4 ms and quantum efficiencies of ∼80 % for 1 % Er3+ concentration, determined via lifetime and thermal lens methods, enabled efficient laser operation. Positive ds/dT values confirmed the self-focusing nature beneficial for high-power systems. While quantum efficiencies decreased exponentially with rising Er3+ due to non-radiative relaxation from erbium-matrix interactions, reasonably high efficiencies above 74 % persisted at 1 % doping. The thermal diffusivity and conductivity exhibited little changes with varying Er3+ concentration and showed to be matrix dependent. © 2025 Elsevier b.V.

关键词： Quantum efficiency

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Molecularly imprinted polymers for illicit drug detection: A review of computational and synthesis methods

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Talanta 2025年 294卷 128220页

作者： Neres, Lariel Chagas da Silva Khan, Sabir Zeb, Shakeel Sotomayor, Maria del Pilar Taboada Calvo-Marzal, Percy SP Araraquara14801-970 Brazil Department of Chemistry University of Central Florida OrlandoFL32816 United States Technological Development Center—CDTec Postgraduate Program in Materials Science and Engineering—PPGCEM Federal University of Pelotas—UFPel RS Pelotas96010-610 Brazil School of Chemistry and Chemical Engineering Jiangsu University Zhenjiang212013 China

This review discusses the current state of molecularly imprinted polymers (MIPs) used for drug extraction and quantification. It begins with an introduction to MIP synthesis techniques that utilize illegal drugs as templates. The subsequent sections explore applications, focusing on the detection of illegal narcotics. The advantages and limitations of MIPs receive detailed examination. A comprehensive literature survey then covers various classes of illicit drugs, including opioids, stimulants, cannabinoids, and hallucinogens. Notably, the review highlights the role of computational simulations, including density functional theory (DFT), in optimizing MIP fabrication and enhancing performance. The review concludes with a discussion on the challenges related to the lack of standard parameters for selectivity, the need for robust characterization methods, and the pros and cons of using nanomaterials in MIPs. Recommendations for resolving these issues and potential future developments aimed at broadening the application scope in relevant fields are presented. Overall, this review serves as a valuable resource for researchers involved in the development and application of illicit drug detection technologies using molecularly imprinted polymers. © 2025 Elsevier b.V.

关键词： Density functional theory

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HP40Nb reformer tube exposed to 950 °C – Machine learning informed microstructure evolution and multi-scale mechanical properties

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International Journal of Pressure Vessels and Piping 2025年 216卷

作者： Khan, Adnan Shunmugasamy, Vasanth C. Abuhelaiqa, Mousa Hamer, Wouter J. Laycock, Nicholas J. Mansoor, bilal Department of Materials Science and Engineering Texas A&M University College StationTX United States Mechanical Engineering Program Texas A&M University at Qatar Doha Qatar Qatar Shell Research and Technology Center QSTP Doha Qatar Shell Global Solutions International B.V. Grasweg 31 Amsterdam1031 HW Netherlands

Austenitic stainless steel tubes extensively employed in energy sector, endure extreme service temperatures over long period of time and are susceptible to creep damage. This study investigates microstructural evolution and mechanical properties of HP40Nb (25Cr35Ni1Nb) steel exposed to 950 °C for up to 1600h, with specimens retrieved at 200h intervals. Advanced multi-scale characterization methods, including scanning electron microscopy, energy dispersive spectroscopy, and micro- and nanoindentation were utilized to analyze transformation of precipitates and resulting impact on mechanical properties. Microstructural changes (precipitate evolution, transformation and coarsening) were quantified using Machine Learning based algorithm and correlated with the mechanical properties. The as-cast microstructure comprised two primary intergranular Cr- and Nb-rich carbides in austenitic matrix. Post 200h exposure at 950 °C, secondary intragranular Cr-rich pepper carbide was observed in the austenite matrix. Following this, segregation of Si around Cr-rich precipitates occurred resulting in dark phases. At 800h, Si migrated to NbC resulting in transformation of NbC to Ni-Nb Silicide phase (G-phase). Transformation of NbC to G-phase and coarsening of the primary Cr-rich carbides was observed towards end of study at 1600h. The microstructural changes resulted in microcracks owing to precipitate transformation, coarsening and thermal coefficient mismatch. It was identified that both Nb and Cr precipitates are susceptible to microcracks post 800h at 950 °C. The study offers improved understanding of microstructural changes occurring in austenitic stainless steels used as reformer tubes during exposure to elevated service temperature. © 2025

关键词： Coarsening

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Coupled effects of morphology/length scale of the microstructure and microsegregation on the corrosion behaviour of a single-phase Zn-1wt%Cu alloy

Next Materials

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Next materials 2025年 8卷

作者： Miranda, Romulo S. Vida, Talita Ligeiro, Henrique S. Cheung, Noé Simões, Fábio R. Garcia, Amauri brito, Crystopher Postgraduate Program in Engineering São Paulo State University Guaratinguetá Brazil Department of Aeronautical Engineering School of Engineering/São Paulo State University São João da Boa Vista Brazil Department of Manufacturing and Materials Engineering University of Campinas Campinas Brazil Institute of Marine Science Federal University of São Paulo Santos Brazil

Zn-Cu alloys are promising for biomaterials due to their unique properties. Unlike most metallic alloys, Zn-Cu exhibits a partition coefficient greater than 1, leading to solvent segregation. This study aims to explore how microsegregation and cellular microstructure affect the corrosion behaviour of a Zn-1wt%Cu alloy. Three specimens, with cellular spacings of approximately 8, 16, and 32 µm, were extracted from a directionally solidified casting. Electrochemical Impedance Spectroscopy and Potentiodynamic Polarization techniques were used to assess the corrosion performance in NaCl solutions. The results showed that coarser cellular structures demonstrated higher corrosion resistance, evidenced by greater charge transfer resistances and lower current densities. Corrosion initiated at the Cu-poor cellular boundaries, acting as anodic regions, and became more severe in finer microstructures. In contrast, larger cells with fewer boundaries exhibited less generalised corrosion, confirming that microstructural coarsening improves corrosion resistance. © 2025 The Authors

关键词： biodegradable Zn-Cu alloys Corrosion behaviour in NaCl Electrochemical performance of biomaterials Galvanic corrosion mechanisms Microstructural refinement

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Effects of Incident Angle on Single-Event Leakage Current Degradation in Heavy-Ion Irradiated 1800 v and 4500 v SiC Power MOSFETs

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IEEE Transactions on Nuclear science 2025年

作者： Sengupta, A. Martinella, C. ball, D.R. Niskanen, K. Senarath, A.S. Islam, S. Harris, P.M. Hutson, J.M. Osheroff, J.M. Sternberg, A.L. Kettunen, H. Kosier, S.L. Grossner, U. Javanainen, A. Galloway, K.F. Schrimpf, R.D. Witulski, A.F. Zürich8092 Switzerland Vanderbilt University Interdisciplinary Materials Science Program NashvilleTN37235 United States Lipscomb University Electrical and Computer Engineering Department NashvilleTN37204 United States NASA/GSFC Code 561.4 GreenbeltMD20771 United States Vanderbilt University Electrical Engineering and Computer Science Department B 351825 NashvilleTN37235 United States University of Jyväskylä Department of Physics Jyväskylä40014 Finland

Experimental heavy-ion responses of two variants of SiC power MOSFETs are evaluated. The devices have similar epitaxial thickness but different doping. The higher doping in the epitaxial region results in lower breakdown voltage, and typically leads to a lower threshold drain voltage at which single-event leakage current (SELC) occurs. Furthermore, the heavy-ion-induced SELC degradation in the drain and gate currents of the SiC MOSFETs exhibit a strong dependence on the heavy-ion's angle of incidence. The devices' behavior significantly alters when irradiated with heavy-ions at different incident angles under the same fixed bias and total fluence, as also confirmed by 3-D Technology Computer Aided Design (TCAD) simulations. © 1963-2012 IEEE.

关键词： Power MOSFET

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