Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Laser Raman and FTIR studies on Li+ interaction in PVAc-LiClO4 polymer electrolytes.

S Selvasekarapandian1, R Baskaran, O Kamishima

  • 1Solid State and Radiation Physics Laboratory, Department of Physics, Bharathiar University, Coimbatore-641 046, India. sekarapandian@yahoo.com

Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
|July 11, 2006
PubMed
Summary

Polymer electrolytes made from poly(vinyl acetate) and lithium perchlorate show strong interactions between polymer chains and lithium ions. Spectroscopic analysis reveals how ion aggregation affects conductivity in these advanced materials.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Left ventriculoplasty for ischemic cardiomyopathy with a left ventricular aneurysm].

Kyobu geka. The Japanese journal of thoracic surgery·2007
Same author

Expression of the gene for a membrane-bound fatty acid receptor in the pancreas and islet cell tumours in humans: evidence for GPR40 expression in pancreatic beta cells and implications for insulin secretion.

Diabetologia·2006
Same author

Growth inhibition through activation of peroxisome proliferator-activated receptor gamma in human oesophageal squamous cell carcinoma.

European journal of cancer (Oxford, England : 1990)·2003
Same author

Recurrent acute myositis after allogeneic bone marrow transplantation for myelodysplasia.

Hematology (Amsterdam, Netherlands)·2002
Same author

Rac regulates vascular endothelial growth factor stimulated motility.

Cell communication & adhesion·2002
Same author

[Consecutive 226 cases of cardiovascular surgery in nippon medical school second hospital].

Journal of Nippon Medical School = Nippon Ika Daigaku zasshi·2001

Area of Science:

  • Materials Science
  • Electrochemistry
  • Polymer Chemistry

Background:

  • Polymer electrolytes offer potential for advanced energy storage devices.
  • Understanding ion-polymer interactions is crucial for optimizing electrolyte performance.
  • Poly(vinyl acetate) (PVAc) is a promising polymer host for lithium-based electrolytes.

Purpose of the Study:

  • To investigate the complex formation and interactions in poly(vinyl acetate):lithium perchlorate (PVAc:LiClO(4)) polymer electrolytes.
  • To analyze the effect of lithium perchlorate concentration on polymer-salt interactions.
  • To elucidate the ion transport mechanism within the PVAc matrix.

Main Methods:

  • Solution casting method for preparing polymer electrolytes.
  • Fourier Transform Infrared (FTIR) spectroscopy to study polymer-salt complexation.

Related Experiment Videos

  • Laser Raman spectroscopy to analyze ion-ion and ion-polymer interactions.

    • Main Results:

    • FTIR and Laser Raman spectra confirmed interactions between ester oxygens of PVAc and lithium cations.
    • Increased salt concentration led to changes in spectral features, indicating lithium cation coordination with polymer chains.
    • Analysis of ClO(4)(-) Raman modes revealed the presence of free anions, ion contact pairs, and ionic clusters.

    Conclusions:

    • The study demonstrates significant polymer-salt complex formation in PVAc:LiClO(4) electrolytes.
    • Spectroscopic evidence supports the interaction between lithium cations and the PVAc polymer network.
    • The findings provide insights into ion aggregation and transport mechanisms, crucial for designing efficient polymer electrolytes.