The potential of polyurethane bio-based solid polymer electrolyte for photoelectrochemical cell application

Mohd Sukor Su'ait, Azizan Ahmad, Khairiah Badri, N. S. Mohamed, Mohd Yusri Abd Rahman, C. L Azanza Ricardo, P. Scardi

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

A photoelectrochemical cell was developed from bio-based polyurethane (PU), solid polymer electrolyte with lithium iodide as conducting material. At the initial stage, PU prepolymer was prepared via prepolymerization technique by reacting palm kernel oil-based monoester-OH (PKO-p) and 2,4′-methylene diphenyl diisocyanate (2,4′-MDI). The polyurethane electrolyte film was then prepared by inclusion of varying amount of lithium iodide (LiI) via solution casting technique. The formation of urethane linkages (NHCO backbone) and the chemical interaction between segmented polyurethane and lithium ion from LiI salts were confirmed by ATR-FTIR technique. Thermal studies carried out by TGA have proven the occurrence of polymer-salt complexation. Structural analysis by XRD has revealed that polyurethane electrolytes with 25 wt.% LiI reduced the semi-crystalline characteristics of plasticized polyurethane. The SEM morphological observation on the fractured film indicated the absence of phase separation. The ionic conductivity increased with the addition of 25 wt.% LiI resulted in the highest conductivity of 7.6 × 10-4 S cm -1. The temperature dependence conductivity of the electrolytes obeyed the Arrhenius law with the pre-exponential factor, σo of 2.4 × 10-3 S cm-1 and activation energy, E a of 0.11 eV. A dye-sensitized solar cell of FTO/TiO 2-dye/PU-LiI-I2/Pt give a response under light intensity of 100 mW cm-2 indicated the photovoltaic effect with the J sc of 0.06 mA cm-2 and Voc of 0.14 V respectively. These properties exhibited promising potentials for photoelectrochemical cell giving the focus on bio-based polymer electrolyte.

Original languageEnglish
Pages (from-to)3005-3017
Number of pages13
JournalInternational Journal of Hydrogen Energy
Volume39
Issue number6
DOIs
Publication statusPublished - 14 Feb 2014

Fingerprint

Photoelectrochemical cells
Polyurethanes
Lithium
iodides
lithium
Electrolytes
electrolytes
polymers
Polymers
cells
dyes
Salts
Photovoltaic effects
salts
prepolymers
diisocyanates
conductivity
urethanes
photovoltaic effect
Palm oil

Keywords

  • 2,4′-Methylene diphenyl diisocyanate
  • Dye-sensitized solar cell
  • Ionic conductivity
  • Palm kernel oil-based monoester-OH
  • Polyurethane
  • Solid polymer electrolyte

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

The potential of polyurethane bio-based solid polymer electrolyte for photoelectrochemical cell application. / Su'ait, Mohd Sukor; Ahmad, Azizan; Badri, Khairiah; Mohamed, N. S.; Abd Rahman, Mohd Yusri; Ricardo, C. L Azanza; Scardi, P.

In: International Journal of Hydrogen Energy, Vol. 39, No. 6, 14.02.2014, p. 3005-3017.

Research output: Contribution to journalArticle

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abstract = "A photoelectrochemical cell was developed from bio-based polyurethane (PU), solid polymer electrolyte with lithium iodide as conducting material. At the initial stage, PU prepolymer was prepared via prepolymerization technique by reacting palm kernel oil-based monoester-OH (PKO-p) and 2,4′-methylene diphenyl diisocyanate (2,4′-MDI). The polyurethane electrolyte film was then prepared by inclusion of varying amount of lithium iodide (LiI) via solution casting technique. The formation of urethane linkages (NHCO backbone) and the chemical interaction between segmented polyurethane and lithium ion from LiI salts were confirmed by ATR-FTIR technique. Thermal studies carried out by TGA have proven the occurrence of polymer-salt complexation. Structural analysis by XRD has revealed that polyurethane electrolytes with 25 wt.{\%} LiI reduced the semi-crystalline characteristics of plasticized polyurethane. The SEM morphological observation on the fractured film indicated the absence of phase separation. The ionic conductivity increased with the addition of 25 wt.{\%} LiI resulted in the highest conductivity of 7.6 × 10-4 S cm -1. The temperature dependence conductivity of the electrolytes obeyed the Arrhenius law with the pre-exponential factor, σo of 2.4 × 10-3 S cm-1 and activation energy, E a of 0.11 eV. A dye-sensitized solar cell of FTO/TiO 2-dye/PU-LiI-I2/Pt give a response under light intensity of 100 mW cm-2 indicated the photovoltaic effect with the J sc of 0.06 mA cm-2 and Voc of 0.14 V respectively. These properties exhibited promising potentials for photoelectrochemical cell giving the focus on bio-based polymer electrolyte.",
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AU - Su'ait, Mohd Sukor

AU - Ahmad, Azizan

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AU - Abd Rahman, Mohd Yusri

AU - Ricardo, C. L Azanza

AU - Scardi, P.

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