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Sodium ion batteries (SIBs) are considered as an efficient alternative for lithium-ion batteries (LIBs) owing to the natural abundance and low cost of sodium than lithium. In this context, the anode materials play a vital role in…

We report the electrochemical investigation and study the diffusion kinetics of boron doped Na$_{0.66}$Mn$_{0.8}$Fe$_{0.2}$O$_{2}$ (B-NMFO) cathode materials for sodium-ion batteries. Notably, the B-NMFO cathode exhibits improved specific…

We report the electrochemical sodium-ion kiinetics and distribution of relaxation time (DRT) analysis of a newly designed mixed polyanionic NaFe$_{1.6}$V$_{0.4}$(PO$_{4}$)(SO$_{4}$)$_{2}$@CNT composite as a cathode. The specific capacity of…

Chemical Physics · Physics 2024-04-22 Jayashree Pati , Rajendra S. Dhaka

Lithium-sulfur technology garners significant interest due to sulfur's higher specific capacity, cost-effectiveness, and environmentally friendly aspects. However, sulfur's insulating nature and poor cycle life hinder practical application.…

Materials Science · Physics 2024-09-06 Mariam Ezzedine , Fatme Jardali , Ileana Florea , Costel-Sorin Cojocaru

Layered LiMO2 (M = Ni, Co, Mn, and Al mixture) cathode materials used for Li-ion batteries are reputed to be highly reactive through their surface, where the chemistry changes rapidly when exposed to ambient air. However, conventional…

The polyanionic compound Na2MnSiO4 is regarded as one of the promising cathode materials for Na-ion batteries due to good specific capacity with its attractive prospect of utilization of two electrons in the redox processes. So, in this…

Materials Science · Physics 2021-10-19 Vishnu Sudarsanan , Anu Maria Augustine , P Ravindran

Partially Fe filled multi-walled carbon nanotubes (MWCNTs) were grown by chemical vapor deposition with propane at 850 {\deg}C using a simple mixture of iron (III) acetylacetonate (Fe(acac)3) powder and conventional photoresist. Scanning…

Applied Physics · Physics 2019-08-08 Joydip Sengupta , Avijit Jana , N. D. Pradeep Singh , Chacko Jacob

X-ray amorphous manganese oxides were prepared by reduction of sodium permanganate by lithium iodide in aqueous medium (MnOx-I) and by decomposition of manganese carbonate at moderate temperature (MnOx-C). TEM showed that these materials…

High-performance solution-processed short-channel carbon nanotube (CNT) thin film transistors (TFTs) are fabricated using densely aligned arrays of metallic CNTs (m-CNTs) as source and drain electrodes, and aligned arrays of semiconducting…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Biddut K. Sarker , Narae Kang , Saiful I. Khondaker

In this study, we investigate the effectiveness of murexide for surface modification of Fe$_3$O$_4$ nanoparticles to enhance the performance of multi-walled carbon nanotube-Fe$_3$O$_4$ supercapacitor anodes. Our experimental results…

Materials Science · Physics 2025-08-15 Coulton Boucher , Igor Zhitomirsky , Oleg Rubel

Supercapacitor electrodes fabricated from a nanocomposite consisting of multiwall carbon nanotubes and titanium oxide nanoparticles were characterized electrochemically. Conventional electrochemical characterizations cyclic voltammetry and…

Materials Science · Physics 2016-04-20 Jason Ma

Magnetic materials for specific applications require an accurate control and complete comprehension of their magnetic properties. In particular, nanoparticles embedded in a polycrystalline matrix emerge as good candidates for applications…

We have studied low-temperature magnetic properties as well as high-temperature lithium ion diffusion in the battery cathode materials LixNi1/3Co1/3Mn1/3O2 by the use of muon spin rotation/relaxation. Our data reveal that the samples enter…

Materials Science · Physics 2015-06-22 M. Mansson , H. Nozaki , J. M. Wikberg , K. Prsa , Y. Sassa , M. Dahbi , K. Kamazawa , K. Sedlak , I. Watanabe , J. Sugiyama

Understanding degradation processes in lithium ion batteries is essential for improving long term performance and advancing sustainable energy technologies. Tin selenide (SnSe) has emerged as a promising anode material due to the high…

FeXMn1-XS (0 <x< 0.3) synthesized on the basis of {\alpha}-MnS are the novel Mott-type substances with the rock salt structure. Neutron diffraction study shows that the shift of the Neel temperature of these materials from 150 (x = 0) to…

MoO2/C-composites have been fabricated for the first time by a tartaric acid/glucose-assisted sol-gel method with post-annealing at 500 {\deg}C for 1 h in N2 flow. The synthesized materials were fully characterized with respect to…

Materials Science · Physics 2020-12-11 G. S. Zakharova , L. Singer , Z. A. Fattakhova , S. Wegener , E. Thauer , Q. Zhu , E. V. Shalaeva , R. Klingeler

Molecular level components, like carbon multiwalled nanotubes (MWNT), show great potential for future nanoelectronics. At low frequencies, only the outermost carbon layer determines the transport properties of the MWNT. Due to the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Markus Ahlskog , Pertti Hakonen , Mikko Paalanen , Leif Roschier , Reeta Tarkiainen

In this work, tin oxide (SnO2)/multi-walled carbon nanotube (MWCNT) composite based ethanol sensor that exhibits fast response/recovery behaviour, large sensitivity, and good selectivity was demonstrated. First, Pd doped SnO2 (SnO2-Pd)…

Applied Physics · Physics 2019-06-10 Cihat Tasaltin

Surface Engineering in two-dimensional(2D) materials has turned out to be an useful technique to improve their functional properties. By designing Janus compounds MM$^{\prime}$C in MXene family of compounds M$_{2}$C where the two surfaces…

Materials Science · Physics 2023-10-11 Mandira Das , Subhradip Ghosh

Supramolecular gels are formed by the self-assembly of low molecular weight organic gelators with their solvent molecules. These are emerging novel materials with good semiconducting and light emitting properties with application potential…

Materials Science · Physics 2024-11-13 Saranya Babu , Aiswarya M , Subhendu Dhibar , Goutam Chandra , P. Predeep