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Dimensionality-driven sustainable biocarbon-based microwave absorbers: From bio-waste to functional materials 维度驱动的可持续生物碳基微波吸收剂:从生物废物到功能材料
Next Materials Pub Date : 2025-03-15 DOI: 10.1016/j.nxmate.2025.100584
Muhammad Adnan Aslam , Rabia Ahsen , Zubaida Rukhsana Usha , Obaid Iqbal , Sarmad Ali , Nian Li , Zhenyang Wang
{"title":"Dimensionality-driven sustainable biocarbon-based microwave absorbers: From bio-waste to functional materials","authors":"Muhammad Adnan Aslam ,&nbsp;Rabia Ahsen ,&nbsp;Zubaida Rukhsana Usha ,&nbsp;Obaid Iqbal ,&nbsp;Sarmad Ali ,&nbsp;Nian Li ,&nbsp;Zhenyang Wang","doi":"10.1016/j.nxmate.2025.100584","DOIUrl":"10.1016/j.nxmate.2025.100584","url":null,"abstract":"<div><div>In the quest for a sustainable economy and an electromagnetic pollution-free environment, microwave absorbers have garnered significant interest. Researchers are diligently investigating the use of precursors derived from bio-waste materials, such as agricultural waste, sewage sludge, and animal waste, to promote a greener future. The electromagnetic wave (EMW) absorption characteristics of biocarbon are intricately linked to its morphology, dimensionality, microstructure, and composition, which are influenced by the biocarbon precursor, carbonization technique, and temperature. Herein, we summarized the recent advances in the synthesis approaches of microwave absorption materials. Then, based on EMW absorption theory, the microwave absorption of pure and biocarbon-based composite absorbers has been discussed in detail. Since biocarbon keeps its natural morphology after carbonization we classified the biocarbon-based absorbers into three categories: 1) 1D microstructures, 2) 2D flaky microstructures, and 3) 3D porous microstructures. In addition, the effect of surface modifications and doping of these microstructures with different dielectric/magnetic compounds have been analyzed. By comparative analysis of reported literature on these microstructures, 3D porous biocarbon microstructures and their composites emerge as the most promising candidates as low-cost and efficient EMW absorbers. Finally, we discussed the prospect of low-cost, low-density, highly efficient microwave absorbers obtained from waste-derived biocarbon.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100584"},"PeriodicalIF":0.0,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of mesoporous sulfated zirconia nanocrystals with dual Brønsted acid and Lewis acid 双Brønsted酸和Lewis酸的介孔硫酸氧化锆纳米晶的设计
Next Materials Pub Date : 2025-03-15 DOI: 10.1016/j.nxmate.2025.100590
Yang Liu , Minqi Jiang , Yi Feng , Jianfeng Yao
{"title":"Design of mesoporous sulfated zirconia nanocrystals with dual Brønsted acid and Lewis acid","authors":"Yang Liu ,&nbsp;Minqi Jiang ,&nbsp;Yi Feng ,&nbsp;Jianfeng Yao","doi":"10.1016/j.nxmate.2025.100590","DOIUrl":"10.1016/j.nxmate.2025.100590","url":null,"abstract":"<div><div>Sulfated ZrO<sub>2</sub> (S-ZrO<sub>2</sub>) nanocrystals with a pure tetragonal phase and mesopores were designed by calcination of sulfated UiO-66. Benefiting from the inhibitory effect of organic linkers and sulfate ions on the growth of crystals during the pyrolysis process, S-ZrO<sub>2</sub>, derived from sulfated UiO-66, is composed of nano-sized crystals with a size of about 5 nm. In addition, the released gases from the decomposition of organic linkers enable S-ZrO<sub>2</sub> with mesopores, avoiding the severe agglomeration of ZrO<sub>2</sub> nanocrystals. As a result, the as-synthesized S-ZrO<sub>2</sub> nanocrystals can function as the promising catalysts containing dual Brønsted acidic and Lewis acidic sites to display a good catalytic activity in the esterification reaction of propanoic acid with methanol. In particular, a good conversion of 96.8 % for propanoic acid was achieved at 7 h, higher than that of commercial ZrO<sub>2</sub>-based sulfated ZrO<sub>2</sub> (74 %) and pristine UiO-66 (24 %).</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100590"},"PeriodicalIF":0.0,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Material-specific machining optimization of Ti6Al4V alloy under MQL: A sustainability-centric approach 基于MQL的Ti6Al4V合金材料加工优化:以可持续发展为中心的方法
Next Materials Pub Date : 2025-03-14 DOI: 10.1016/j.nxmate.2025.100586
Dhrubajit Sarma , Rupshree Ozah , Muthumari Chandrasekaran , Ashok Kumar Sahoo , Ramanuj Kumar , Satyajit Pattanayak
{"title":"Material-specific machining optimization of Ti6Al4V alloy under MQL: A sustainability-centric approach","authors":"Dhrubajit Sarma ,&nbsp;Rupshree Ozah ,&nbsp;Muthumari Chandrasekaran ,&nbsp;Ashok Kumar Sahoo ,&nbsp;Ramanuj Kumar ,&nbsp;Satyajit Pattanayak","doi":"10.1016/j.nxmate.2025.100586","DOIUrl":"10.1016/j.nxmate.2025.100586","url":null,"abstract":"<div><div>The manufacturing industry is undergoing rapid transformation driven by modern technologies, with a focus on producing high-quality products efficiently. In line with increasing sustainability concerns, researchers are actively exploring various green machining methods. Machining of aerospace alloys and subsequent process optimization remains challenging for their poor thermal conductivity and high chemical affinity at elevated temperatures. This study investigates the machinability of Ti6Al4V alloy under an MQL environment for sustainability. A total of 27 experiments were conducted, with the SVR model predicting surface roughness (<em>Ra</em>) with a mean absolute percentage error of 4.68 %. Parametric analysis revealed feed has the highest significant influence on <em>Ra</em>, followed by cutting speed and depth of cut. Finally, Jaya algorithm was used to optimize surface roughness, resulting in an optimal solution with a <em>Ra</em> value of 0.4812 µm at 120 m/min, feed of 0.05 mm/rev, and depth of cut of 0.2 mm.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100586"},"PeriodicalIF":0.0,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143621102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Growth temperature-induced interfacial degradation in superconducting NbN/insulator HfO2 bilayers 生长温度诱导的超导NbN/绝缘体HfO2双分子层界面降解
Next Materials Pub Date : 2025-03-11 DOI: 10.1016/j.nxmate.2025.100581
F. Verón Lagger , M. Sirena , N. Haberkorn
{"title":"Growth temperature-induced interfacial degradation in superconducting NbN/insulator HfO2 bilayers","authors":"F. Verón Lagger ,&nbsp;M. Sirena ,&nbsp;N. Haberkorn","doi":"10.1016/j.nxmate.2025.100581","DOIUrl":"10.1016/j.nxmate.2025.100581","url":null,"abstract":"<div><div>This study reports on the electrical transport properties of NbN/HfO<sub>2</sub> bilayers grown sequentially by reactive sputtering on <em>c</em>-Al<sub>2</sub>O<sub>3</sub> substrates. An epitaxial (111) NbN layer, 10 nm thick, was deposited at 450 °C using an N<sub>2</sub>/argon mixture. Subsequently, an HfO<sub>2</sub> layer with a nominal thickness of 10 nm was grown using a reactive O<sub>2</sub>/argon mixture at deposition temperatures ranging from room temperature to 450 °C. The crystalline structure was analyzed using X-ray diffraction. The electrical transport properties of the insulator layer were characterized by conductive atomic force microscopy at room temperature, while the superconducting properties of NbN were evaluated using a standard four-point configuration. Results indicate that increasing the deposition temperature of HfO<sub>2</sub> causes chemical degradation and reduces the nominal thicknesses of both NbN and HfO<sub>2</sub> layers due to interfacial reactions and Nb oxidation. This degradation adversely affects the electrical properties of the superconducting layers, specifically leading to a decrease in the superconducting critical temperature of NbN and an increase in the insulating properties of the HfO<sub>2</sub> layer. The modifications in the properties of HfO<sub>2</sub> are attributed not only to interfacial degradation but also to a probable reduction in structural disorder with increasing deposition temperature. Overall, these findings contribute to understanding the impact of interface disorder on electronic devices incorporating nitride and oxide layers.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100581"},"PeriodicalIF":0.0,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal storage properties of NiTiCu shape memory alloys with different phase transition behaviors 具有不同相变行为的镍钛铜形状记忆合金的蓄热性能
Next Materials Pub Date : 2025-03-11 DOI: 10.1016/j.nxmate.2025.100577
Chenduo Zuo, Lijing Zheng, Shichao Yang, Bo Li, Hu Zhang
{"title":"Thermal storage properties of NiTiCu shape memory alloys with different phase transition behaviors","authors":"Chenduo Zuo,&nbsp;Lijing Zheng,&nbsp;Shichao Yang,&nbsp;Bo Li,&nbsp;Hu Zhang","doi":"10.1016/j.nxmate.2025.100577","DOIUrl":"10.1016/j.nxmate.2025.100577","url":null,"abstract":"<div><div>The development of thermal energy storage and thermal management technologies based on phase change materials (PCM) represents a significant opportunity for regulating energy supply and demand, and realizing sustainable development. Recent studies have demonstrated the efficacy of shape memory alloys as a solid-solid phase change material. In order to investigate the effect of phase change behavior on thermal storage performance, Ni<sub>50-x</sub>Ti<sub>50</sub>Cu<sub>x</sub> (x = 20, 22.5, 25, 27.5, 30 at%) alloys with one-step phase change and Ni<sub>40+x</sub>Ti<sub>50-x</sub>Cu<sub>10</sub> (x = -1, 0, 1 at%) alloys with two-step phase change are comparatively analyzed. The focus was on the thermophysical properties of the two series of alloys, such as density, specific heat capacity and thermal conductivity, as well as the phase transition behavior, microstructure and thermal cycle stability studies. The findings demonstrate that, in comparison to conventional organic and inorganic phase change materials, the two alloys display superior thermal storage characteristics, including higher density and enhanced thermal conductivity, as well as superior figure of merit (FOM) that are significantly superior to those of conventional phase change materials. In comparison, considering the phase transition temperature, FOM and thermal cycling stability, one-step phase transition alloys have better overall thermal performance than two-step phase transition alloys, which demonstrates great promise for applications in areas such as efficient thermal energy storage, rapid thermal cycling thermal management.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100577"},"PeriodicalIF":0.0,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation of golden polyaniline and interpretation with a Lorentz model 金聚苯胺的制备及洛伦兹模型解释
Next Materials Pub Date : 2025-03-11 DOI: 10.1016/j.nxmate.2025.100582
Hiromasa Goto
{"title":"Preparation of golden polyaniline and interpretation with a Lorentz model","authors":"Hiromasa Goto","doi":"10.1016/j.nxmate.2025.100582","DOIUrl":"10.1016/j.nxmate.2025.100582","url":null,"abstract":"<div><div>This report details the methods for synthesizing polyaniline (PANI) with a golden reflective thin layer. The preparation of PANI with golden color involves two-step processes. First, nuclei of fine particles are prepared in a first-step before the chemical oxidative reaction. Subsequent chemical oxidative polymerization occurs in the presence of these particles with ammonium persulfate as a second-step. As polymerization reaction proceeds, the color of the solution changed to light blue, golden, copper, and metallic purple. The golden-colored film formed during polymerization was transferred onto a glass substrate to obtain a thin film. This PANI thin film exhibited a reflection spectrum identical to that of real metallic Au. The reflected color appeared golden, while the transmitted color was green or purple. The golden reflection was attributed to the Lorentz interpretation, which relies on the wavelength-dependent dielectric constant. This golden color is due to the combined effect of the red reflection and the polished surface of the PANI film. The inter-band transitions in the near-infrared–visible range of thus prepared PANI film contributed to its high reflectance across the red–green spectrum, which is unlikely to be related to the plasma oscillations of free electrons in Au. Note that treatment with NH<sub>4</sub><sup>+</sup> for dedoping of PANI, characterized by a purple metallic reflection color (final color in the polymerization), changes to the golden reflection. This phenomenon can be described as a redox-driven gold chromic effect.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100582"},"PeriodicalIF":0.0,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A facile ultrasound-assisted synthesis and DFT evaluation of 3D hierarchical tin disulfide nanoflowers 三维层次二硫化锡纳米花的超声辅助合成及DFT评价
Next Materials Pub Date : 2025-03-08 DOI: 10.1016/j.nxmate.2025.100579
Bayu Tri Murti , Athika Darumas Putri , Ma’rifatun Izati , Mazaya Sulaekhah , Ching-Yun Chen , Po-Kang Yang
{"title":"A facile ultrasound-assisted synthesis and DFT evaluation of 3D hierarchical tin disulfide nanoflowers","authors":"Bayu Tri Murti ,&nbsp;Athika Darumas Putri ,&nbsp;Ma’rifatun Izati ,&nbsp;Mazaya Sulaekhah ,&nbsp;Ching-Yun Chen ,&nbsp;Po-Kang Yang","doi":"10.1016/j.nxmate.2025.100579","DOIUrl":"10.1016/j.nxmate.2025.100579","url":null,"abstract":"<div><div>Tin disulfide (SnS<sub>2</sub>), one of the 2D transition metal chalcogenide families, has recently received tremendous attention due to its stack geometry, precisely controllable structure and properties, tunable bandgap, and biocompatibility enabling a wide range of applications in sensors, supercapacitors, and flexible electronics. In this study, 3D hierarchical SnS<sub>2</sub> nanoflower (f-SnS<sub>2</sub>) was synthesized <em>via</em> simple, versatile, and green ultrasound treatment at ambient temperature. The indirect ultrasound was applied with a frequency of 40 kHz. The product was examined with optical imaging, particle size and zeta potential analyzer, SEM, and EDX, resulting in homogenous material distribution and microstructural characteristics of as-synthesized f-SnS<sub>2</sub>. The chemical composition and crystallographic information of f-SnS<sub>2</sub> were characterized by XRD, Raman spectroscopy, and HR-TEM. In addition, their electronic bandgap and active-site distribution were elucidated through DMol3-based density-functional calculations. These results demonstrated the successful synthesis of f-SnS<sub>2</sub> in facile and reagent-less laboratory settings as well as the electrostatic potential distribution at edge-active sites. The Monte Carlo adsorption study of SnS<sub>2</sub> towards toxic and pollutant gases (H<sub>2</sub>, CO<sub>2</sub>, and CO) revealed that the material has great potential for gas sensing applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100579"},"PeriodicalIF":0.0,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In-situ constructing LiOH∙H2O on GaLaZr precursor via spray drying to synthesize Li6.4Ga0.2La3Zr2O12 powder material 通过喷雾干燥在GaLaZr前驱体上原位构建LiOH∙H2O合成Li6.4Ga0.2La3Zr2O12粉体材料
Next Materials Pub Date : 2025-03-08 DOI: 10.1016/j.nxmate.2025.100580
Zhihao Guo , Xiaobao Zhang , Huan Zhao , Yiyang Xiao , Shiang Liang , Ning Wang , Juanyu Yang , Xiaowei Huang
{"title":"In-situ constructing LiOH∙H2O on GaLaZr precursor via spray drying to synthesize Li6.4Ga0.2La3Zr2O12 powder material","authors":"Zhihao Guo ,&nbsp;Xiaobao Zhang ,&nbsp;Huan Zhao ,&nbsp;Yiyang Xiao ,&nbsp;Shiang Liang ,&nbsp;Ning Wang ,&nbsp;Juanyu Yang ,&nbsp;Xiaowei Huang","doi":"10.1016/j.nxmate.2025.100580","DOIUrl":"10.1016/j.nxmate.2025.100580","url":null,"abstract":"<div><div>Garnet Li<sub>6.4</sub>Ga<sub>0.2</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12</sub> (LGLZO) solid-state electrolyte is widely considered as a promising candidate for solid-state lithium batteries. However, the production of LGLZO powder material under real circumstances faces the challenges of production instability, safety hazards and huge energy consumption concerns. Here in this work, a novel method to synthesize cubic LGLZO powder material by in-situ constructing LiOH∙H<sub>2</sub>O on GaLaZr precursor is developed. By virtue of spray drying, a continuous nano LiOH∙H<sub>2</sub>O layer with low crystallinity is successfully coated on the surface of the GaLaZr precursor particles. Revealed by 2D Raman mapping and TEM, the intimate contact and uniform mixing have been realized between LiOH∙H<sub>2</sub>O and GaLaZr precursor. Synthesis temperature of cubic LGLZO without clear secondary phases is lowered as 850 °C. The total ionic conductivity at 303 K of LGLZO is determined to be 1 × 10<sup>−3</sup> S cm<sup>−1</sup> with an activation energy of 0.24 eV while the electronic conductivity is characterized to 1.9 × 10<sup>−8</sup> S cm<sup>−1</sup>. This work enriches the synthesis method of LGLZO powder material and is expected to facilitate its safe and stable scaling-up production for solid-state lithium batteries.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100580"},"PeriodicalIF":0.0,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of manganese substitutions in hydroxyapatite using density functional theory methods: Optical and magnetic properties 用密度泛函方法研究羟基磷灰石中锰取代的光学和磁性
Next Materials Pub Date : 2025-03-07 DOI: 10.1016/j.nxmate.2025.100583
Vladimir Bystrov , Ekaterina Paramonova , Leon Avakyan , Svetlana Makarova , Natalia Bulina
{"title":"Study of manganese substitutions in hydroxyapatite using density functional theory methods: Optical and magnetic properties","authors":"Vladimir Bystrov ,&nbsp;Ekaterina Paramonova ,&nbsp;Leon Avakyan ,&nbsp;Svetlana Makarova ,&nbsp;Natalia Bulina","doi":"10.1016/j.nxmate.2025.100583","DOIUrl":"10.1016/j.nxmate.2025.100583","url":null,"abstract":"<div><div>Being the mineral component of the bone tissue, hydroxyapatite (HAP) is widely used in medicine for the bone tissue restoration. The crystal structure of HAP is very flexible and easily integrates various ions, which affects the properties of HAP. This paper presents the data for modeling the Mn-HAP lattice with various Mn/Ca substitutions obtained using calculations of the density functional theory. Experimental data on the synthesis of Mn-HAP by the mechanochemical method are also presented. The calculated and experimental data show good agreement: the unit cell parameters and volume decrease with increasing Mn/Ca substitution. These results on the behavior of structural parameters are similar to the results obtained for Mg/Ca substitutions in Mg-HAP. However, there are significant differences in the changes in the electronic and optical properties for these substituents. Additional electronic energy levels Ei were detected inside the band gap Eg of Mn-HAP, while Mg-HAP did not have energy levels inside the band gap, only the width of the Eg changed. Depending on the concentration of Mn, the photoexcitation energy changes, and its effective value Eg* becomes less than the band gap Eg in the unsubstituted HAP. The arisen magnetic properties of Mn-HAP are proportional to the amount of Mn introduced and energy levels Ei, filled by spin-up electrons. The formation energy of Mn/Ca substitution depends on the position and concentration of Mn. It was found that substitution is more preferable for the Ca2 position.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100583"},"PeriodicalIF":0.0,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental data-driven efficient exploration of the composition and process conditions of Li-rich NASICON-type solid electrolytes 实验数据驱动的富锂nasicon型固体电解质组成和工艺条件的有效探索
Next Materials Pub Date : 2025-03-06 DOI: 10.1016/j.nxmate.2025.100574
Hayami Takeda , Kento Murakami , Yudai Yamaguchi , Hiroko Fukuda , Naoto Tanibata , Masanobu Nakayama , Takaaki Natori , Yasuharu Ono , Naohiko Saito
{"title":"Experimental data-driven efficient exploration of the composition and process conditions of Li-rich NASICON-type solid electrolytes","authors":"Hayami Takeda ,&nbsp;Kento Murakami ,&nbsp;Yudai Yamaguchi ,&nbsp;Hiroko Fukuda ,&nbsp;Naoto Tanibata ,&nbsp;Masanobu Nakayama ,&nbsp;Takaaki Natori ,&nbsp;Yasuharu Ono ,&nbsp;Naohiko Saito","doi":"10.1016/j.nxmate.2025.100574","DOIUrl":"10.1016/j.nxmate.2025.100574","url":null,"abstract":"<div><div>LiZr<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> has garnered widespread interest as a solid electrolyte for all-solid-state batteries. However, its Li ionic conductivity remains insufficient for practical use. Although attempts have been made to improve the Li ionic conductivity by doping with cations and controlling the synthesis conditions, the exploration space is vast, and optimisation remains challenging. In this study, the amount of dopants and heating conditions for Li<sub>1+x+2y</sub>Ca<sub>y</sub>Zr<sub>2-y</sub>Si<sub>x</sub>P<sub>3-x</sub>O<sub>12</sub> co-doped with Ca<sup>2+</sup> and Si<sup>4+</sup> were optimised via experimental synthesis, evaluation, and Bayesian optimisation (BO) cycles. The BO technique suggests the next experimental samples in each cycle and reduces the number of experimental cycles by almost 80 % compared with an exhaustive search. In addition, the experimental results were subjected to machine-learning regression analysis to analyse the factors affecting the Li-ion conductivity.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"8 ","pages":"Article 100574"},"PeriodicalIF":0.0,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143551451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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