Poly(vinylidene fluoride)-Based Al Ion Conductive Solid Polymer Electrolyte for Al Battery

2017 ◽  
Vol 164 (14) ◽  
pp. A3868-A3875 ◽  
Author(s):  
Masashi Kotobuki ◽  
Li Lu ◽  
Seruguei V. Savilov ◽  
Serguei M. Aldoshin
Keyword(s):  
Polymer Electrolyte ◽  
Solid Polymer Electrolyte ◽  
Vinylidene Fluoride ◽  
Solid Polymer ◽  
Poly Vinylidene Fluoride

Actuation Behavior of CP Actuator Based on Polypyrrole and PVDF

2007 ◽  
Vol 29-30 ◽  
pp. 363-366 ◽  
Author(s):  
J.M. Ha ◽  
Hyun Ok Lim ◽  
Nam Ju Jo
Keyword(s):  
Polymer Electrolyte ◽  
Conducting Polymer ◽  
Solid Polymer Electrolyte ◽  
Vinylidene Fluoride ◽  
Oxidation Process ◽  
Electrochemical Polymerization ◽  
Solid Polymer ◽  
Poly Vinylidene Fluoride

Conducting polymer (CP) actuators undergo volumetric changes due to the movement of dopant ions into the film during the electrical oxidation process. In this work, PPy/SPE/PPy electroactive tri-layer actuator was prepared by the electrochemical polymerization of pyrrole and the actuation characteristics were studied. An all-solid actuator, consisting of two polypyrrole (PPy) films and a solid polymer electrolyte (SPE) based on poly(vinylidene fluoride) (PVDF), clearly showed a reversible displacement in an atmosphere when a voltage was applied.

scholarly journals An Electrochemical Amperometric Ethylene Sensor with Solid Polymer Electrolyte Based on Ionic Liquid

Sensors ◽  
2021 ◽  
Vol 21 (3) ◽  
pp. 711
Author(s):  
Petr Kuberský ◽  
Jiří Navrátil ◽  
Tomáš Syrový ◽  
Petr Sedlák ◽  
Stanislav Nešpůrek ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Polymer Electrolyte ◽  
Solid Polymer Electrolyte ◽  
Vinylidene Fluoride ◽  
Solid Polymer ◽  
Response Recovery ◽  
Poly Vinylidene Fluoride ◽  
Jet Printing ◽  
Aerosol Jet Printing ◽  
Printing Techniques

An electrochemical amperometric ethylene sensor with solid polymer electrolyte (SPE) and semi-planar three electrode topology involving a working, pseudoreference, and counter electrode is presented. The polymer electrolyte is based on the ionic liquid 1-butyl 3-methylimidazolium bis(trifluoromethylsulfonyl)imide [BMIM][NTf2] immobilized in a poly(vinylidene fluoride) matrix. An innovative aerosol-jet printing technique was used to deposit the gold working electrode (WE) on the solid polymer electrolyte layer to make a unique electrochemical active SPE/WE interface. The analyte, gaseous ethylene, was detected by oxidation at 800 mV vs. the platinum pseudoreference electrode. The sensor parameters such as sensitivity, response/recovery time, repeatability, hysteresis, and limits of detection and quantification were determined and their relation to the morphology and microstructure of the SPE/WE interface examined. The use of additive printing techniques for sensor preparation demonstrates the potential of polymer electrolytes with respect to the mass production of printed electrochemical gas sensors.

PVDF-HFP and 1-ethyl-3-methylimidazolium thiocyanate–doped polymer electrolyte for efficient supercapacitors

2018 ◽  
Vol 30 (8) ◽  
pp. 911-917 ◽  
Author(s):  
Pankaj Tuhania ◽  
Pramod K Singh ◽  
B Bhattacharya ◽  
Pawan S Dhapola ◽  
Shivani Yadav ◽  
...  
Keyword(s):  
Polymer Electrolyte ◽  
Solid Polymer Electrolyte ◽  
Vinylidene Fluoride ◽  
Electrochemical Impedance ◽  
Solid Polymer ◽  
Low Viscosity ◽  
Poly Vinylidene Fluoride ◽  
Maximum Conductivity ◽  
Solution Cast ◽  
Electrochemical Double Layer

The sole aim of the present article is to develop an ionic liquid (IL)-doped solid polymer electrolyte for an electrochemical double-layer capacitor (EDLC). A solution cast technique was adopted to develop a solid polymer electrolyte of poly (vinylidene fluoride-co-hexafluoropropylene) as host polymer and low-viscosity IL (1-ethyl-3-methylimidazolium thiocyanate) as dopant. Electrochemical impedance spectroscopy measurement showed a six orders of magnitude enhancement in conductivity ( σ) by IL doping. A linear sweep voltammetric investigation of the electrolyte films exhibited a good electrochemical stability window of 3.6 V. Polarized optical microscopy of the synthesized films revealed a reduction in crystallinity by IL doping. Infrared spectroscopy further affirms the composite nature of the film. The maximum conductivity value of 2.65 mS/cm is obtained for 80% of the ionic-doped system. Using maximum conductivity film and porous carbon-based electrodes, we have developed EDLCs that show a specific capacitance value of 2.36 F/g.

Preparation and characterization of PVDF-MG49-NH4CF3SO3 based solid polymer electrolyte

e-Polymers ◽  
2014 ◽  
Vol 14 (2) ◽  
pp. 115-120 ◽  
Author(s):  
N. Ataollahi ◽  
A. Ahmad ◽  
T.K. Lee ◽  
A.R. Abdullah ◽  
M.Y.A. Rahman
Keyword(s):  
Ionic Conductivity ◽  
Polymer Electrolyte ◽  
Vinylidene Fluoride ◽  
Lithium Ion ◽  
Linear Sweep Voltammetry ◽  
Solid Polymer ◽  
Conductivity Enhancement ◽  
Temperature Dependence Of Conductivity ◽  
Poly Vinylidene Fluoride ◽  
Ion Conducting

AbstractThe ionic conductivity of ammonium-based solid polymer films of poly(vinylidene fluoride) (PVDF) blended with MG49, a graft of natural rubber and poly(methyl methacrylate), with various compositions of ammonium triflate NH4CF3SO3, was investigated. As a result, 30 wt.% of NH4CF3SO3-doped polymer electrolyte exhibits the highest ionic conductivity at 6.32×10-4 S/cm at room temperature. The conductivity enhancement can be attributed to the increase in the number of NH4+ as charge carriers. The significance of the blend is the increase of one order in ionic conductivity as compared with pure PVDF electrolyte. The temperature dependence of conductivity of the electrolyte does not obey the Arrhenius law. However, the conductivity increases with temperature and it reached 1.56×10-3 S/cm at 363 K. X-ray diffraction reveals a decrease in crystallinity of the electrolyte upon the addition of NH4CF3SO3 salt. This result is supported by scanning electron microscopy. Linear sweep voltammetry demonstrates that the anodic stability of the electrolyte is up to 4 V. Therefore, the electrolyte shows good compatibility with high-voltage electrode. Hence, this electrolyte system can be a prospective candidate as lithium-ion conducting electrolyte for lithium batteries.

scholarly journals Improved mechanical and electrochemical properties of PVDF/PEO/LiClO4 based solid polymer electrolyte by using TiO2 and MgO nanoparticles

2021 ◽  
Author(s):  
Ponam Ponam ◽  
◽  
Parshuram Singh ◽  
Keyword(s):  
Mechanical Properties ◽  
Polymer Electrolyte ◽  
Vinylidene Fluoride ◽  
Solid Polymer Electrolytes ◽  
Solid Polymer ◽  
Electrochemical Characteristics ◽  
Mgo Nanoparticles ◽  
Onset Potential ◽  
Poly Vinylidene Fluoride ◽  
Poly Ethylene

The poly (vinylidene fluoride) PVDF and poly (ethylene oxide) PEO-based solid polymer electrolytes are gaining popularity due to their good electrochemical and mechanical characteristics. In the present work the polymer electrolyte is prepared by taking 80% PVDF, 20% PEO, and 20% LiClO4 through rigorous mixing. Further, the properties of PVDF/PEO/LiClO4 based electrolyte are improved by adding TiO2 and MgO nanoparticles in different proportions. The results show that the addition of TiO2 and MgO nanoparticles has a significant effect on the electrochemical characteristics and mechanical properties of the electrolyte. The maximum current onset potential of 4.97 V is observed with a 4% concentration of TiO2 nanoparticles. Also, the mechanical properties such as ultimate stress and failure stress are increased with the addition of nanoparticles. The ionic conductivity of the electrolyte first increases with an increase in the concentration of nanoparticles but it starts decreasing after 2% concentration.

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