A5011825649- Supercapacitor Materials and Fabrication
- Conducting polymers and applications
- Advanced Battery Materials and Technologies
- Graphene and Nanomaterials Applications
- Ionic liquids properties and applications
- Graphene research and applications
- Advancements in Battery Materials
- Advanced Sensor and Energy Harvesting Materials
- TiO2 Photocatalysis and Solar Cells
- Electrospun Nanofibers in Biomedical Applications
- biodegradable polymer synthesis and properties
- Electrochemical sensors and biosensors
- Fuel Cells and Related Materials
- Dielectric materials and actuators
- Advanced Photocatalysis Techniques
- Advanced battery technologies research
- Natural Fiber Reinforced Composites
- Polyoxometalates: Synthesis and Applications
- Mesoporous Materials and Catalysis
- Polymer Nanocomposite Synthesis and Irradiation
- Polymer composites and self-healing
- Advancements in Solid Oxide Fuel Cells
- Microplastics and Plastic Pollution
- Gas Sensing Nanomaterials and Sensors
- Nanoparticles: synthesis and applications
Sharda University
2018-2025
Kumaun University
2018-2023
The present study reports the upcycling process of waste plastics into value-added product graphene nanosheets (GNs) and their subsequent applications in dye sensitized solar cells (DSSCs) supercapacitors. Bentonite nanoclay has been used as an agent for degradation with two step pyrolysis processes at 450 °C 945 inert atmosphere N
Abstract The growth in the demand of sustainable materials being used engineering has created a need for research into new and alternative materials. This article is intended to explore potential hemp fiber composites different promising areas, including environmentally friendly applications. An in‐depth analysis properties been conducted with focus on mechanical thermal their chemical characteristics which makes more suitable various Among reinforced composites, careful evaluation tensile...
Conversion of plastic waste into graphene nanosheets and its application in supercapacitor.
The sole aim of the present article is to develop an ionic liquid (IL)-doped solid polymer electrolyte for electrochemical double-layer capacitor (EDLC). A solution cast technique was adopted a poly (vinylidene fluoride-co-hexafluoropropylene) as host and low-viscosity IL (1-ethyl-3-methylimidazolium thiocyanate) dopant. Electrochemical impedance spectroscopy measurement showed six orders magnitude enhancement in conductivity ( σ) by doping. linear sweep voltammetric investigation films...
This paper deals with the synthesis, characterization, and application of low-viscosity ionic liquids as dopants biopolymers host. The biopolymer used in present study is cornstarch, while liquid 1-ethyl 3-methylimidazolium thiocyanate (EMIm+SCN–) to develop an electrochemical double-layer capacitor (EDLC) a dye-sensitized solar cell (DSSC). Different weight ratios are incorporated polymer host highly conducting ionic-liquid-doped electrolyte (ILBPE). Electrical, structural,...
This work reports, for the first time, conversion of polyethylene oxide (PEO) into porous carbon (PC) and its application in supercapacitors (SC).
Given the non-biodegradable nature of plastic, its recycling and upcycling are critical to ensure effective waste management resource conservation, with a cradle-to-cradle approach. Herewith, we report low-effort nature-friendly route for plastic manufacture large quantities graphene nanosheets (GNs) via two-stage pyrolysis process. To analyze utility GNs synthesized by this process, their supercapacitive behavior was studied over different current collectors such as copper tape (CuT),...
Solid polymer electrolyte films blended with ionic liquid 1‐ethyl‐3‐methylimidazolium tricyanomethanide (EMImTCM) and poly(vinylidene fluoride‐co‐hexafluoropropylene) (PVdF‐HFP) are prepared via solution cast technique. The physical characterization of polymeric film is performed by X‐ray diffraction (XRD), polarized optical microscopy (POM), Fourier transform infrared spectroscopy (FTIR), thermo‐gravimetric analysis (TGA) studies. gel 300 wt% IL shows the high conductivity value 3.7 × 10 −2...
Abstract The primary goal of the current study is to improve specific capacitance electric double-layer (EDLC) device using biomass (Tribulus Terrestris) derived activated carbon electrodes synthesized by chemical activation method. Furthermore, high surface area are characterized X-ray diffraction (XRD), RAMAN spectroscopy, and scanning electron microscopy (SEM) confirm morphological structure. Finally, electrochemical performance fabricated EDLC proves a good agreement data Cyclic...
The demand for energy and storage devices is the urgent need of our society due to heavy dependence on electric appliances. Hence, graphene-like smart materials has grown tremendously in past years. Herein, we investigated binder-free graphene allies named reduced oxide (rGO) as electrode supercapacitor after reduction by sinking leaving process. rGO-based show areal specific capacitance 80.2 7.89 mF cm −2 with aqueous 1M phosphoric acid (H 3 PO 4 ) poly (vinyl alcohol)-H polymer gel...
The main aim of the present work is to optimize highly conducting solid polymer electrolytes by doping ionic liquid in a Poly-ethylene oxide (PEO) complexed Sodium Iodide (NaI) matrix. Solution casting method has been used synthezis electrolytes. Electrical, thermal, structural, and optical studies confirm homogenous complexation with liquid. Furthermore, electric double-layer capacitors (EDLCs) device Dye Sensitized Solar Cell (DSSC) developed using high (IL) electrolyte maximum...
Abstract Porous carbon is prepared from the cornstarch biopolymer by simple carbonization process initially at 800 °C. This sample has been activated gasification with help of oxidizing gas and reaction certain chemicals for its pore development. The final product then characterized techniques like XRD, RAMAN, BET, TGA, FESEM, EDX to study all behavior. results these characterizations have thoroughly studied in Sect. 3. used as an electrode material decorate supercapacitor 1 mg coating....
In this study, the laboratory scale production of activated carbon synthesized from PVC with CoCl 2 and H 3 PO 4 , which is cheaper has a good yield source material, reported.
This work reports a comparative study of electrolytic behavior PEDOT:PSS-SPGO nanocomposite-based supercapacitor devices in aqueous and polymer gel electrolytes. Initially, more purified finely dispersed graphene oxide (SPGO) was synthesized by using spray dryer process. Furthermore, PEDOT:PSS mixed certain optimum concentration with SPGO nanocomposite prepared. The utility investigated fabricating its devices. Here, the incorporation enhanced electrochemical performance developing...
Abstract Plastics are widely used synthetic materials in various industries worldwide. The abundance of plastics, which mainly carbon‐based polymers, has led to a significant accumulation plastic waste landfills and the environment due their durability affordability. Although pollution oceans been known for many years, there is still limited knowledge about composition, distribution, impact, fate environment. In this review, focus on environmental by highlighting source (feedstock)...
The sole aim of the present article was to develop a highly efficient electrochemical double-layer capacitor (EDLC) using solid polymer electrolyte. Solution cast technique adopted fabricate an EDLC. Solid biopolymer electrolytes were synthesized based on corn starch as host and sodium chloride well ionic liquid (1-hexyl-3-methylimidazolium iodide) dopants. conductivity system has been carried out impedance spectroscopy. Detailed electrical, structural thermal studies have out. An EDLC...
Polyvinyl alcohol (PVA) polymer mixed with different weight ratios of 1-ethyl-3-methyltricynomethanide (EMIm-TCM) ranging from 0 to 30 wt% were used develop solid electrolytes (SPEs). The structural, electrical, and electrochemical properties the SPEs films extensively studied. Introducing ionic liquid (IL) into PVA's structure improved its mechanical properties, flexibility, conductivity, increasing application potential in energy devices. maximal conductivity 3.85 × 10−4 Scm−1 was achieved...
In this work, solution cast method was adapted for the preparation of 1-ethyl-3-methylimidazolium dicyanamide (EMImDCN)-doped solid polymer electrolyte. Optimum composition electrolyte (polyethylene oxide + sodium iodide) treated as host polymer. The ionic conductivity further enhanced by adding low-viscosity liquid (IL) EMImDCN. Electrical, thermal, dielectric, and photoelectrochemical properties IL-doped (ILDPE) are presented in detail. An electrochemical device, that is, dye-sensitized...
Abstract At the time, world critically requires renewable energy. The challenge is figuring out how to meet expanding global energy consumption. Dye‐sensitized solar cells (DSCs) have attracted a lot of interest due their high conversion efficiency, low cost, environmental friendliness, and easy production procedure. First, study prepares standard cell platinum, which most expensive in supply. By replacing PVC‐derived porous carbon for platinum DSScs counter electrode. efficiency electrode...