AI Article Synopsis

  • α-NaMnO@NaMnO and KMnO@NaMnO nanocomposites were created using a solid-state reaction method, resulting in a distinct column-shaped structure observed through FESEM imaging.* -
  • FTIR analysis showed that the vibration frequencies changed with potassium loading, indicating alterations in the material's properties.* -
  • Electrochemical tests revealed high specific capacitance values of ∼361 F/g for α-NaMnO@NaMnO and ∼143 F/g for KMnO@NaMnO, along with excellent cycle stability and lower resistance, making them efficient options for supercapacitor use.*

Article Abstract

α-NaMnO@NaMnO () and KMnO@NaMnO () nanocomposites have been synthesized using solid-state reaction method. FESEM results convey the formation of column-shaped morphology. FTIR exhibited a shift in the vibration frequency upon potassium loading. Cyclic voltammetric curves are scanned (0 V-0.8 V) at different scan rates (5 mV/s to 100 mV/s) in 1M KOH electrolyte. Galvanostatic charge-discharge characteristics, for different current densities, have shown non-linear or pseudocapacitive characteristics of the prepared electrodes. High specific capacitance of ∼361 F/g and ∼143 F/g, at a current density of 1A/g, has been achieved for and samples, respectively. sample exhibited higher capacitive retention (116 %), up to 2000 cycles, and obeys lower series resistance, charge transfer resistance, and Warburg impedance parameters, thus, convey higher efficiency of this compound for supercapacitor applications.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11334620PMC
http://dx.doi.org/10.1016/j.heliyon.2024.e35360DOI Listing

Publication Analysis

Top Keywords

fabrication based
4
based mno
4
mno nanocomposites
4
nanocomposites supercapacitive
4
supercapacitive applications
4
applications α-namno@namno
4
α-namno@namno kmno@namno
4
kmno@namno nanocomposites
4
nanocomposites synthesized
4
synthesized solid-state
4

Similar Publications

Multivalued logic (MVL) systems, in which data are processed with more than two logic values, are considered a viable solution for achieving superior processing efficiency with higher data density and less complicated system complexity without further scaling challenges. Such MVL systems have been conceptually realized by using negative transconductance (NTC) devices whose channels consist of van der Waals (vdW) heterojunctions of low-dimensional semiconductors; however, their circuit operations have not been quite ideal for driving multiple stages in real circuit applications due to reasons such as a reduced output swing and poorly defined logic states. Herein, we demonstrate ternary inverter circuits with near rail-to-rail swing and three distinct logic states by employing vdW p-n heterojunctions of single-walled carbon nanotubes (SWCNT) and MoS where the SWCNT layer completely covers the MoS layer.

View Article and Find Full Text PDF

PEDOT/Polypyrrole Core-Sheath Fibers for Use as Conducting Polymer Artificial Muscles.

ACS Appl Mater Interfaces

January 2025

Sensor and Actuator Systems, Department of Physics, Chemistry and Biology (IFM), Linköping University, Linköping SE-581 83, Sweden.

Electropolymerized polypyrrole (PPy) is considered as one of the promising polymers for use in ionic-electroactive or conducting polymer (CP) actuators. Its electromechanical properties surpass those of other prominent CPs such as poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT/PSS) or polyaniline. However, freestanding and linear contracting actuator fibers made solely of electropolymerized PPy are not available yet.

View Article and Find Full Text PDF

TiO-Based Implantable Memristor for Biomedical Engineering.

ACS Appl Mater Interfaces

January 2025

Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China.

Implantable memristors are considered an emerging electronic technology that can simulate brain memory function and demonstrate some promising applications in the biomedical field. However, it remains a critical challenge to enhance their long-term stability and biocompatibility in implantation environments. In this work, an implantable memristor has been successfully fabricated based on TiO using magnetron sputtering.

View Article and Find Full Text PDF

MXene Hollow Microsphere-Boosted Nanocomposite Electrodes for Thermocells with Enhanced Thermal Energy Harvesting Capability.

ACS Nano

January 2025

Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China.

Thermal energy, constantly being produced in natural and industrial processes, constitutes a significant portion of energy lost through various inefficiencies. Employing the thermogalvanic effect, thermocells (TECs) can directly convert thermal energy into electricity, representing a promising energy-conversion technology for efficient, low-grade heat harvesting. However, the use of high-cost platinum electrodes in TECs has severely limited their widespread adoption, highlighting the need for more cost-effective alternatives that maintain comparable thermoelectrochemical performance.

View Article and Find Full Text PDF

In this work, we present a facile and straightforward approach for fabricating highly stretchable photodetectors based on AgS and TiCT MXene hybrid materials. These devices exhibit exceptional mechanical resilience, maintaining stable electrical and optical performance even after 10 000 cycles of 30% strain. The incorporation of MXene not only enhances the device's electrical durability but also ensures the retention of conductivity under significant mechanical deformation, positioning MXene as a critical material for the advancement of flexible electronics.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!