Cover Image

Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta

Alkaline solid polymer blends electrolyte (ASPBE) films comprising a blend of poly(vinylalcohol) (PVA) and poly(vinylpyrrolidone) (PVP), potassium hydroxide (KOH) as ionic dopant, ethylene carbonate (EC) and propylene carbonate (PC) as plasticizer have been prepared by solution casting technique....

Full description

Saved in:
Bibliographic Details
Main Author: Hatta, Faizatul Farah
Format: Thesis
Language:English
Published: 2006
Subjects:
Electrolytes, electrolyte solutions
TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics. Nuclear engineering
Online Access:http://ir.uitm.edu.my/id/eprint/548/1/TM_FAIZATUL%20FARAH%20HATTA%20AS%2006_5%201.pdf
http://ir.uitm.edu.my/id/eprint/548/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.uitm.ir.548
record_format eprints
spelling my.uitm.ir.5482016-07-01T02:56:50Z http://ir.uitm.edu.my/id/eprint/548/ Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta Hatta, Faizatul Farah Electrolytes, electrolyte solutions TJ Mechanical engineering and machinery TK Electrical engineering. Electronics. Nuclear engineering Alkaline solid polymer blends electrolyte (ASPBE) films comprising a blend of poly(vinylalcohol) (PVA) and poly(vinylpyrrolidone) (PVP), potassium hydroxide (KOH) as ionic dopant, ethylene carbonate (EC) and propylene carbonate (PC) as plasticizer have been prepared by solution casting technique. The concentration ratio of the polymer blend, ionic dopant and plasticizer was varied systematically. The PVAPVP blend has good mechanical strength as tested using tensile measurement. X-ray diffraction (XRD) studies have been conducted to investigate the complexation in the alkaline solid polymer blends electrolyte. The XRD results revealed that the amorphous domain of PVA was increased when the PVP was blended. The variation in film morphology was examined by scanning electron microscopic (SEM). The thermal properties of these films were performed using differential scanning calorimeter (DSC) and the result has confirmed the miscibility between the polymeric components. The conductivity was studied using complex impedance spectroscopy to investigate ionic conduction in blending PVA/PVP, PVA/PVP-KOH, PVA/PVP-KOH-EC and PVA/PVP-KOH-PC electrolyte systems. The complex impedance spectroscopy results revealed that the high-frequency semicircle was due to the bulk effect of the material. The conductivity was found to increase in the order of 10"7 -10"4 Scm"1 with the increase in ionic dopant and plasticizer concentrations at temperature range from 30-110 °C. The PVA/PVP system with a composition of 80 wt.% PVA and 20 wt.% PVP exhibited the highest conductivity of (2.2 ± 1.4) x 10"7 Scm"1 and the value was enhanced to (1.5 ± 1.1) x 10"4 Scm"1 when 40 wt.% KOH was added. 2006 Thesis NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/548/1/TM_FAIZATUL%20FARAH%20HATTA%20AS%2006_5%201.pdf Hatta, Faizatul Farah (2006) Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta. Masters thesis, Universiti Teknologi MARA.
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Electrolytes, electrolyte solutions
TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics. Nuclear engineering
spellingShingle Electrolytes, electrolyte solutions
TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics. Nuclear engineering
Hatta, Faizatul Farah
Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta
description Alkaline solid polymer blends electrolyte (ASPBE) films comprising a blend of poly(vinylalcohol) (PVA) and poly(vinylpyrrolidone) (PVP), potassium hydroxide (KOH) as ionic dopant, ethylene carbonate (EC) and propylene carbonate (PC) as plasticizer have been prepared by solution casting technique. The concentration ratio of the polymer blend, ionic dopant and plasticizer was varied systematically. The PVAPVP blend has good mechanical strength as tested using tensile measurement. X-ray diffraction (XRD) studies have been conducted to investigate the complexation in the alkaline solid polymer blends electrolyte. The XRD results revealed that the amorphous domain of PVA was increased when the PVP was blended. The variation in film morphology was examined by scanning electron microscopic (SEM). The thermal properties of these films were performed using differential scanning calorimeter (DSC) and the result has confirmed the miscibility between the polymeric components. The conductivity was studied using complex impedance spectroscopy to investigate ionic conduction in blending PVA/PVP, PVA/PVP-KOH, PVA/PVP-KOH-EC and PVA/PVP-KOH-PC electrolyte systems. The complex impedance spectroscopy results revealed that the high-frequency semicircle was due to the bulk effect of the material. The conductivity was found to increase in the order of 10"7 -10"4 Scm"1 with the increase in ionic dopant and plasticizer concentrations at temperature range from 30-110 °C. The PVA/PVP system with a composition of 80 wt.% PVA and 20 wt.% PVP exhibited the highest conductivity of (2.2 ± 1.4) x 10"7 Scm"1 and the value was enhanced to (1.5 ± 1.1) x 10"4 Scm"1 when 40 wt.% KOH was added.
format Thesis
author Hatta, Faizatul Farah
author_facet Hatta, Faizatul Farah
author_sort Hatta, Faizatul Farah
title Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta
title_short Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta
title_full Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta
title_fullStr Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta
title_full_unstemmed Studies on alkaline solid polymer blends electrolyte for batteries / Faizatul Farah Hatta
title_sort studies on alkaline solid polymer blends electrolyte for batteries / faizatul farah hatta
publishDate 2006
url http://ir.uitm.edu.my/id/eprint/548/1/TM_FAIZATUL%20FARAH%20HATTA%20AS%2006_5%201.pdf
http://ir.uitm.edu.my/id/eprint/548/
_version_ 1685648066866053120
score 13.211869

Similar Items