Preparation and characterization of Jatropha oil-based Polyurethane as non-aqueous solid polymer electrolyte for electrochemical devices

Siti Rosnah Mustapa, Min Min Aung, Azizan Ahmad, Ahmad Mansor, Lee TianKhoon

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Jatropha-oil based polyurethane is one of the initiative for replacing conventional petroleum based polyurethane. The vegetable oil-based polyurethane is more cost-effective and synthesize from renewable resources. Polyurethane was synthesized through prepolymerization method between jatropha oil-based polyol and diphenylmethane 4, 4’diisocyanate, (MDI) in inert condition. Then, lithium perchloride ion (LiClO4) was added to the polyurethane system to form electrolyte film via solution casting technique. The polymer electrolytes were prepared by varying the amount of LiClO4 ion 10 wt.% to 30 wt. %. The highest conductivity is achieved at 25 wt.% of LiClO4 salt content, which is 1.29 × 10−4 S/cm at room temperature 30 °C. The FTIR results showed the shifting of carbonyl group (C[dbnd]O) (1750 cm−1– 1730 cm−1), ether and ester group (C-O-C) (1300 cm−1–1000 cm−1) and amine functional groups (N-H) (1650 cm−1–1500 cm−1) in polyurethane electrolytes from the blank polyurethane shows that oxygen and nitrogen atom acts as electron donor in the electrolytes system. It also confirmed that the intermolecular reaction had occurred in the electrolytes system. While, the XRD analysis showed the semi-crystalline properties of polyurethane have been reduced to amorphous phase upon the increasing addition of lithium ion. SEM results revealed the morphology analysis of the polyurethane electrolytes. There is homogenous and smooth surface in polyurethane and the dissociation of salt was observed after the addition of salt indicates there was interaction between salt and the polymer host.

Original languageEnglish
Pages (from-to)293-302
Number of pages10
JournalElectrochimica Acta
Volume222
DOIs
Publication statusPublished - 20 Dec 2016

Fingerprint

Polyurethanes
Electrolytes
Polymers
Oils
Salts
Ions
Lithium
Carbon
Plant Oils
Vegetable oils
Polyols
Petroleum
Ether
Functional groups
Amines
Ethers
Esters
Casting
Nitrogen
Crude oil

Keywords

  • ionic conductivity
  • Jatropha oil-based polyurethane
  • Polyol
  • solid polymer electrolyte

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electrochemistry

Cite this

Preparation and characterization of Jatropha oil-based Polyurethane as non-aqueous solid polymer electrolyte for electrochemical devices. / Mustapa, Siti Rosnah; Aung, Min Min; Ahmad, Azizan; Mansor, Ahmad; TianKhoon, Lee.

In: Electrochimica Acta, Vol. 222, 20.12.2016, p. 293-302.

Research output: Contribution to journalArticle

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abstract = "Jatropha-oil based polyurethane is one of the initiative for replacing conventional petroleum based polyurethane. The vegetable oil-based polyurethane is more cost-effective and synthesize from renewable resources. Polyurethane was synthesized through prepolymerization method between jatropha oil-based polyol and diphenylmethane 4, 4’diisocyanate, (MDI) in inert condition. Then, lithium perchloride ion (LiClO4) was added to the polyurethane system to form electrolyte film via solution casting technique. The polymer electrolytes were prepared by varying the amount of LiClO4 ion 10 wt.{\%} to 30 wt. {\%}. The highest conductivity is achieved at 25 wt.{\%} of LiClO4 salt content, which is 1.29 × 10−4 S/cm at room temperature 30 °C. The FTIR results showed the shifting of carbonyl group (C[dbnd]O) (1750 cm−1– 1730 cm−1), ether and ester group (C-O-C) (1300 cm−1–1000 cm−1) and amine functional groups (N-H) (1650 cm−1–1500 cm−1) in polyurethane electrolytes from the blank polyurethane shows that oxygen and nitrogen atom acts as electron donor in the electrolytes system. It also confirmed that the intermolecular reaction had occurred in the electrolytes system. While, the XRD analysis showed the semi-crystalline properties of polyurethane have been reduced to amorphous phase upon the increasing addition of lithium ion. SEM results revealed the morphology analysis of the polyurethane electrolytes. There is homogenous and smooth surface in polyurethane and the dissociation of salt was observed after the addition of salt indicates there was interaction between salt and the polymer host.",
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