Materials Today Energy最新文献_第10页

Slug flow synthesis of NCMA: Effect of substitution of cobalt with aluminum on the electrochemical performance of Ni-rich cathode for lithium-ion battery 蛞蝓流合成 NCMA：铝替代钴对锂离子电池富镍正极电化学性能的影响

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-03-02 DOI: 10.1016/j.mtener.2024.101545

Arjun Patel, Sourav Mallick, Jethrine H. Mugumya, Nicolás Lopez-Riveira, Sunuk Kim, Mo Jiang, Mariappan Parans Paranthaman, Michael L. Rasche, Herman Lopez, Ram B. Gupta

{"title":"Slug flow synthesis of NCMA: Effect of substitution of cobalt with aluminum on the electrochemical performance of Ni-rich cathode for lithium-ion battery","authors":"Arjun Patel, Sourav Mallick, Jethrine H. Mugumya, Nicolás Lopez-Riveira, Sunuk Kim, Mo Jiang, Mariappan Parans Paranthaman, Michael L. Rasche, Herman Lopez, Ram B. Gupta","doi":"10.1016/j.mtener.2024.101545","DOIUrl":"https://doi.org/10.1016/j.mtener.2024.101545","url":null,"abstract":"Nickle-rich Li[NiCoMn]O (x, y ≤ 0.1) (NCM) layered materials are known as promising cathode materials for next-generation lithium-ion batteries and electric vehicles owing to their high reversible capacity and high operating voltage of up to 3.6 vs Li/Li. However, issues, such as irreversible phase transition, cation mixing, microcrack formation, thermal and structural stability of the material prevent its widespread adoption. Although, cation doping is a well-known technique to enhance the electrochemical performance of the NCM-based cathode material, the performance of the material is very sensitive to the doping amount. In this study, three Al-doped quaternary Ni-rich cathode materials Li[NiCoMnAl]O (where, x= 0 - 0.04) (NCMA) are synthesized through three-phase slug-flow based continuous manufacturing process followed by high temperature calcination to study the effect of Al-doping on the performance of the cathode material while reducing Co. The slug flow-based production platform has several advantages, like particle size uniformity, high production rate, and homogeneity in elemental distribution. It is found that with an increase in Al content, the specific capacity decreases but the cyclic stability and rate capability increases. Optimum Al-doping not only compensates for the adverse effect of low Co by decreasing the extent of cation mixing but also minimizes the electrode polarization and cracking of the particles.","PeriodicalId":18277,"journal":{"name":"Materials Today Energy","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140055912","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}

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Advances in layered transition metal oxide cathodes for sodium-ion batteries 钠离子电池用层状过渡金属氧化物阴极的研究进展

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-03-01 DOI: 10.1016/j.mtener.2024.101551

Hanqing Gao, Jinjue Zeng, Zhipeng Sun, Xiangfen Jiang, Xuebin Wang

引用次数: 0

Meliorative dielectric properties in core@double-shell structured Al@Al2O3@PDA/PVDF nanocomposites via decoupling the intra-particle polarization and inter-particle polarization 通过解耦粒子内极化和粒子间极化，改善核@双壳结构 Al@Al2O3@PDA/PVDF 纳米复合材料的介电性能

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-03-01 DOI: 10.1016/j.mtener.2024.101543

Xiaolong Chen, Wenying Zhou, Fang Wang, Hongju Wu, Shaolong Zhong, Bo Li

{"title":"Meliorative dielectric properties in core@double-shell structured Al@Al2O3@PDA/PVDF nanocomposites via decoupling the intra-particle polarization and inter-particle polarization","authors":"Xiaolong Chen, Wenying Zhou, Fang Wang, Hongju Wu, Shaolong Zhong, Bo Li","doi":"10.1016/j.mtener.2024.101543","DOIUrl":"https://doi.org/10.1016/j.mtener.2024.101543","url":null,"abstract":"Percolating polymeric composites present enormous potential owing to high dielectric constant () which can be realized near the percolation threshold, but the accompanied large loss forbids their extensive use in practice. Great efforts have been devoted to coating conductive particles with an insulating shell for constrained dielectric loss, yet they markedly reduce . In this work, we explore the poly(vinylidene fluoride, PVDF) composites with a serial of core@double-shell Al@AlO@PDA (polydopamine) nanoparticles with various PDA shell thicknesses. It reveals that the high of the nanocomposites results from a fast intra-particle polarization and a slow inter-particle polarization. The formation of double-shell enables the independent control of the two polarizations always coupled in traditional percolating composites. Through facilitating intra-particle polarization and repressing inter-particle polarization, the Al@AlO@PDA/PVDF can achieve a much higher and lower dielectric loss simultaneously, far exceeding the unmodified Al@AlO/PVDF. Moreover, the calculated activation energy of carrier migration in the Al@AlO@PDA/PVDF is obviously higher than that in untreated nanocomposites, indicating enhanced charge-trapping capability in the core@double-shell nanofillers composites. This core@double-shell strategy offers a new paradigm for the design and preparation of percolating composites with desirable dielectric performances.","PeriodicalId":18277,"journal":{"name":"Materials Today Energy","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140055913","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

Recent advance in MOFs and MOF-based composites: synthesis, properties, and applications MOF 和 MOF 基复合材料的最新进展：合成、性能和应用

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-02-29 DOI: 10.1016/j.mtener.2024.101542

Asif Hayat, Sana Rauf, Basem Al Alwan, Atef El Jery, Naif Almuqati, Saad Melhi, Mohammed A. Amin, Yas Al-Hadeethi, Muhammad Sohail, Yasin Orooji, Weiqiang Lv

{"title":"Recent advance in MOFs and MOF-based composites: synthesis, properties, and applications","authors":"Asif Hayat, Sana Rauf, Basem Al Alwan, Atef El Jery, Naif Almuqati, Saad Melhi, Mohammed A. Amin, Yas Al-Hadeethi, Muhammad Sohail, Yasin Orooji, Weiqiang Lv","doi":"10.1016/j.mtener.2024.101542","DOIUrl":"https://doi.org/10.1016/j.mtener.2024.101542","url":null,"abstract":"Metal-organic frameworks (MOFs) are nanostructured polycrystalline materials where metal particles or groups are connected by an organic substituent, known as a ‘strut’ or ‘crosslinks’ having large surface area, high permeability, adjustable porosity, and flexible performance. Understanding the interactions and arrangement of MOFs is crucial for efficiently and precisely developing high-performance materials for sustainable applications. In recent years, there has been significant research interest in MOFs as a highly adaptable material for developing renewable and alternative energy conservation and transformation technologies, addressing global pollution and the impending fuel issue. This article provides an overview of the synthesis methods, parameters and characteristics of materials related to MOFs. It also assesses the relationship between the structure and functionality, examining factors that can be manipulated to improve their photocatalytic activity. Various examples were used to classify and examine the practical uses of MOFs, providing researchers with a new viewpoint on the compositional interaction in materials using MOFs. Finally, this study comprehensively analyzes the emerging trends and unresolved challenges in MOFs research across various functionalities.","PeriodicalId":18277,"journal":{"name":"Materials Today Energy","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140201294","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

Fast and simple deposition of thin film of Cu2-xS nanosheets on copper foil for solar energy harvesting via photo-thermo-electric conversion 在铜箔上快速、简单地沉积纳米 Cu2-xS 薄膜，通过光热电转换收集太阳能

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-02-29 DOI: 10.1016/j.mtener.2024.101544

Abbas Karami, Saeid Azizian

{"title":"Fast and simple deposition of thin film of Cu2-xS nanosheets on copper foil for solar energy harvesting via photo-thermo-electric conversion","authors":"Abbas Karami, Saeid Azizian","doi":"10.1016/j.mtener.2024.101544","DOIUrl":"https://doi.org/10.1016/j.mtener.2024.101544","url":null,"abstract":"Solar energy harvesting using thermoelectric generator (TEG) devices is an overlooked but practical strategy for sustainable power generation. Solar radiation can be converted to electricity by integrating TEGs with solar absorbers. Therefore, developing solar absorbers is crucial to enhance the performance of TEG devices for efficient photo-thermo-electric conversion. Here, we presented a simple and cost-effective method to prepare a stable thin film of copper sulfide nanosheets on a copper plate substrate, taking only a few seconds to complete. This method led to forming a mixture of CuS nanosheets (x=0.03, 0.05, and 1) vertically grown on the surface of the copper foil and possessed tightly packed porous clustered structures. The prepared Cu-foil@CuS nanosheets demonstrated exceptional photothermal characteristics, achieving a temperature of 65°C within 3-4 minutes when exposed to the illumination of a lamp with an intensity of 500 W/m. There was a significant increase in power output compared to bare thermoelectric modules when the Cu-foil@CuS nanosheets were used as solar absorbers in a solar-thermo-electric generator (STEG) system. The study highlights the potential of CuS nanosheets as solar absorbers in STEGs.","PeriodicalId":18277,"journal":{"name":"Materials Today Energy","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140055911","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

Investigation of Mn incorporation into NiOOH electrocatalyst loaded on BiVO4 photoanode for enhanced photoelectrochemical water splitting: Experimental and theoretical approach 在 BiVO4 光阳极上负载的 NiOOH 电催化剂中加入锰以增强光电化学水分离的研究：实验和理论方法

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-02-29 DOI: 10.1016/j.mtener.2024.101541

Soundarya Mary A, Murugan C, Mahendiran D, Murugan P, Pandikumar A

{"title":"Investigation of Mn incorporation into NiOOH electrocatalyst loaded on BiVO4 photoanode for enhanced photoelectrochemical water splitting: Experimental and theoretical approach","authors":"Soundarya Mary A, Murugan C, Mahendiran D, Murugan P, Pandikumar A","doi":"10.1016/j.mtener.2024.101541","DOIUrl":"https://doi.org/10.1016/j.mtener.2024.101541","url":null,"abstract":"Loading of OER cocatalyst is an effective strategy to overcome the inherent poor charge separation of BiVO. Incorporation of Mn-doped NiOOH electrocatalyst on the electrochemically deposited BiVO photoanode surface boost the PEC water oxidation. Here, the Mn-NiOOH/BiVO (10%) photoanode exhibited ∼2.6 and ∼1.7-fold higher photocurrent density (2.41 mA cm), compared with BiVO and BiVO/NiOOH, respectively. Noticeably, it delivered the transient decay time (τ) of 1.83 s, which is ∼3.5 and ∼2.3-fold higher than the BiVO and BiVO/NiOOH, besides the BiVO/Mn-NiOOH (10%) utilizes 42.4 % of the photogenerated holes, whereas in BiVO, it is only 17.06 %, and BiVO/NiOOH exhibits 25.98 % for the water oxidation process. The enhanced PEC activity of the BiVO/Mn-NiOOH photoanode is due to reduced photoinduced charge carrier’s recombination rate, facile interfacial charge transfer, and rapid hole consumption. Moreover, the higher efficiency of Mn-NiOOH cocatalyst is understood by employing DFT studies and revealed that Mn-NiOOH (10%) has lower formation energy than higher concentrations and infers that it requires the lower overpotential (2.37 V) than NiOOH (3.06 V). Overall, under illumination, Mn-NiOOH consumes the photogenerated holes from BiVO for the cyclic catalytic process of NiOOH, thus enhances the PEC performance.","PeriodicalId":18277,"journal":{"name":"Materials Today Energy","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140056115","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

Lignite derived nanocarbon as surface passivator and co-sensitizer in DSSC 褐煤衍生纳米碳作为 DSSC 的表面钝化剂和共敏化剂

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-02-27 DOI: 10.1016/j.mtener.2024.101539

Akshatha A. Rao, Shanyukta Upadhyay, Santhosh Narendhiran, Imran Jafri R, Manoj Balachandran

引用次数: 0

Enhancing grain growth of CsFA-based lead halide perovskite thin films through PbI2 precursor engineering in vapor-solid reaction 通过气固反应中的 PbI2 前驱体工程，促进基于 CsFA 的卤化铅包晶石薄膜的晶粒生长

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-02-27 DOI: 10.1016/j.mtener.2024.101540

Qiang Tan, Changyu Duan, Yuanyuan Chen, Anqi Kong, Shenghan Hu, Yichen Dou, Jianfeng Lu, Guijie Liang, Zhiliang Ku

引用次数: 0

Cobalt Nanoparticles Embedded in Nitrogen-doped Carbon Nanofibers to Enhance Redox Kinetics for Long-Cycling Sodium-Sulfur Batteries 氮掺杂碳纳米纤维中嵌入钴纳米颗粒，提高长周期钠硫电池的氧化还原动力学性能

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-02-26 DOI: 10.1016/j.mtener.2024.101536

Peipei Zhi, Yuruo Qi, Jing Zhao, Haifeng Ding, Qing Zhao, Yi Li, Maowen Xu

{"title":"Cobalt Nanoparticles Embedded in Nitrogen-doped Carbon Nanofibers to Enhance Redox Kinetics for Long-Cycling Sodium-Sulfur Batteries","authors":"Peipei Zhi, Yuruo Qi, Jing Zhao, Haifeng Ding, Qing Zhao, Yi Li, Maowen Xu","doi":"10.1016/j.mtener.2024.101536","DOIUrl":"https://doi.org/10.1016/j.mtener.2024.101536","url":null,"abstract":"The shuttle effect resulting from severe volume expansion and polysulfide dissolution imposes limitations to the application of sodium-sulfur (Na-S) batteries. Herein, a three-dimensional self-supported electrode comprised of cobalt nanoparticles embedded in nitrogen-doped carbon nanofibers (CoNCNF) is constructed to accommodate sulfur as cathode for Na-S batteries. The carbon fiber framework facilitates direct electrons transmission and reduces overall contact impedance of electrode. The abundant pore structure not only promotes electrolyte infiltration but also ensures high loading of sulfur, and provides space for volume expansion during charging and discharging. Most significantly, CoNCNF carrier accelerate the conversion rate of sodium polysulfides (NaPSs) into NaS and guide NaS deposition on its surface in a three-dimensional progressive nucleation (3DP) mode, resulting in a high NaS deposition capacity and outstanding long-term cycling performance. When coupled with a Na metal anode, the CoNCNF/S composite cathode exhibits stable electrochemical properties with a capacity up to 1030.2 mA h g after 300 cycles at 0.2C and excellent rate performance.","PeriodicalId":18277,"journal":{"name":"Materials Today Energy","volume":null,"pages":null},"PeriodicalIF":9.3,"publicationDate":"2024-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140003405","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}

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Unveiling Charge Compensation Mechanisms in Na2/3MgxNi1/3-xMn2/3O2 Cathode Materials: Insights into Cationic and Anionic Redox 揭示 Na2/3MgxNi1/3-xMn2/3O2 阴极材料中的电荷补偿机制：对阳离子和阴离子氧化还原的见解

IF 9.3 2区材料科学

Materials Today Energy Pub Date : 2024-02-22 DOI: 10.1016/j.mtener.2024.101534

Yanli Zhang, Zengqing Zhuo, Tianran Yan, Wenjuan Zhang, Xiaoning Li, Jiakun Zhou, Wenzhang Zhou, Yan Feng, Liang Zhang, Jing Mao, Ding Zhang, Wanli Yang, Jinghua Guo, Kehua Dai

引用次数: 0