A5005923231- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Advanced Battery Technologies Research
- Electrocatalysts for Energy Conversion
- Extraction and Separation Processes
- Advanced Photocatalysis Techniques
- Graphene research and applications
- Diamond and Carbon-based Materials Research
- Semiconductor materials and devices
- Advanced battery technologies research
- Mechanical and Optical Resonators
- Polyoxometalates: Synthesis and Applications
- Public Health and Nutrition
- Catalysis and Oxidation Reactions
- Carbon Nanotubes in Composites
- Analytical Chemistry and Sensors
- Electronic and Structural Properties of Oxides
- Oxidative Organic Chemistry Reactions
- Covalent Organic Framework Applications
- Occupational Health and Safety Management
- Ionic liquids properties and applications
- Radical Photochemical Reactions
- Force Microscopy Techniques and Applications
- Healthcare and Environmental Waste Management
Vidyasirimedhi Institute of Science and Technology
2019-2022
Central Electrochemical Research Institute
2012-2021
Centre For Environment Architecture & Human Settlements
2017-2021
PSG INSTITUTE OF TECHNOLOGY AND APPLIED RESEARCH
2021
Academy of Scientific and Innovative Research
2017
Demonstrating a highly efficient non-noble bifunctional catalyst for complete water electrolysis remains challenging because of kinetic limitations and crucial importance future energy harvesting. Herein, low-cost, integrated composite Ni–Co metal–organic framework decorated with thin MoS2 nanosheets was synthesized by simple hydrothermal method followed carbonization phosphorization electrochemical oxygen hydrogen evolution reactions. Such heterostructure exhibits outstanding performance in...
Nickel-rich layered, mixed lithium transition-metal oxides have been pursued as a propitious cathode material for the future-generation lithium-ion batteries due to their high energy density and low cost. Nevertheless, acute side reactions between Ni4+ carbonate electrolyte lead poor cycling well rate performance, which limits large-scale applications. Here, core-shell like LiNi0.8Co0.15Al0.05O2 (NCA)-carbon composite synthesized by solvent-free mechanofusion method is reported solve this...
Exploring electrochemically chapped graphite/graphene composites derived from the bulk carbon rod of spent Zn/carbon primary cell is for advanced high-capacity lithium-ion battery anode. It found that synthesized graphitic has grain boundary defects with multilayered exfoliation. Such material exhibits an average specific capacity 458 mA h g-1 at 0.2 C, which higher than theoretical (372 g-1) graphite. The differential calculations also show no significant difference in lithiation and...
Nitrogen rich, porous spherical carbon particle with the large surface area was synthesized by simple pyrolysis of amorphous covalent organic framework. The obtained mesoporous particles dilated interlayer distance (0.377 nm), (390 m2 g-1) and high level nitrogen doping (10.9%) offer eminent electrochemical performance as an anode for both lithium ion (LIBs) sodium batteries (SIBs). In LIB applications, material delivers average reversible capacity 820 mAh g-1 after 100 cycles at 0.1 A g-1,...
A core–shell-type spinel LiMn<sub>2</sub>O<sub>4</sub>/carbon composite was synthesized by a simple and cost-effective mechanofusion method (dry particle coating) with highly uniform coating.
A highly flexible and ionically conductive pre-lithiated perfluoro ionomer has been employed as a promising binder for the state-of-the-art Ni-rich (LiNi<sub>0.8</sub>Co<sub>0.15</sub>Al<sub>0.05</sub>O<sub>2</sub>, NCA) cathode.
Mesoporous indium(<sc>iii</sc>)sulfide grafts with N-doped porous biocarbon <italic>via</italic> cost effective wet ball milling, and exhibits a stable capacity of around 407 241 mA h g<sup>−1</sup> (at 4.0 10.0 A g<sup>−1</sup>), making it promising alternative anode material for lithium ion batteries.
Three-dimensional (3D) hierarchical reduced graphene oxide (rGO) aerogel with a finely tuned C/O ratio of 11.8 can be used for various applications because its high specific surface area (925.27 m2 g–1), pore volume 6.46 cm3 g–1, and light weight as well excellent electrical conductivity electrochemical property. The permselectivity the 3D rGO aerogels different ratios was investigated using neutral, positive, negative redox mediators. neutral cationic mediators permselectively adsorb within...
The modified layered hexaniobate of K<sub>4</sub>Nb<sub>6</sub>O<sub>17</sub> anode exhibited an excellent lithium storage ability 480 mA h g<sup>−1</sup> at the initial lithiation (0.05 A g<sup>−1</sup>), and delivered a reversible capacity 133 after 750 cycles 0.5 g<sup>−1</sup>.
<title>Abstract</title> Dimethoxy Ethane (DME)-based electrolytes have emerged as promising alternatives to traditional sodium perchlorate (NaClO<sub>4</sub>) in sodium-ion battery (SIB) technology, offering superior safety profiles without compromising performance or efficiency. In this research article, we investigate the optimization of SIB performance, safety, and efficiency through utilization DME-based supplemented with additives. Our study focuses on enhancing NVPF/HC full cells by...
The lithium ion battery has evolved as the major power source ever since it’s discovery in 1991 by Sony and represents one of successes materials electrochemistry. Lithium batteries are becoming more popular view multifarious applications arising from their high voltage leading to light weight smaller size cells/batteries. In growing day demand for batteries, intensive research is being pursued globally develop new performing cost effective electrode electrolyte importantly without...
Electrodeposition of lanthanum (La) thin film had been successfully carried out in the triethylmethy-lammonium methyl sulfate (TEMAMS) ionic liquid on boron-doped diamond (BDD), glassy carbon (GC) and platinum (Pt) electrodes. The electrolyte shows highest electrochemical stability window 4.88 V BDD, followed by GC (4.5 V) Pt (4.1 V). reduction La(III) ions takes place significantly at a less positive potential BDD than GC, while electrode, predominant decomposition current associated with...
Background: Carbon block is possibly carcinogenic to humans. Short-term exposure high concentrations of carbon black dust may produce discomfort the upper respiratory tract, through mechanical irritation. Aims and Objective: This study aims evaluate impact on peak expiratory flow rate (PEFR) using Wrights meter. Materials Methods: Peak meter was done by The paired t-test determine significant difference between employees controls. Results: decreased with duration work in workers...
Spinel LiMn 2 O 4 (LMO) has emerged attractive as well a potential alternative candidate to toxic LiCoO for high energy applications because of its relative abundance, low cost and environmentally benign. Although LMO several advantages, it suffers from immense polarization, severe capacity decay Mn dissolution resulting in Jahn-teller distortion with 6.5 % increased unit cell volume. Various strategies have already been proposed alleviate these detrimental issues such heteroatom doping,...
Although Ni-rich layered oxide materials widely used as the cathode of lithium-ion batteries (LIBs) possess several interesting properties e.g., high energy density, they encounter severe capacity degradation and intrinsic poor thermal stability concerning Ni-concentration. Herein, a core-shell-like architecture has been achieved by employing cost-effective dry particle fusion method without costly annealing process with alumina (Al2O3) nanoparticles over LiNi0.8Mn0.1Co0.1O2 or NMC811...