The addition of Al 2O 3 in composite electrolytes consisting of polyethylene oxide and polytetramethylene glycol-based waterborne polyurethane

M. S. Wu, Ten-Chin Wen

Research output: Contribution to journalArticle

Abstract

Composite electrolytes (CEs) containing polyethylene oxide (PEO), polytetramethylene glycol based waterborne polyurethane (WPU (PTMG)), LiClO 4/propylene carbonate (PC), and aluminum oxide (Al 2O 3) were prepared by blending. The influences of the addition of Al 2O 3 in CEs were investigated using the following methods. Differential scanning calorimetry (DSC) and polarizing microscopy (PM) were employed for material characterization. The swollen weight of CEs was measured to appraise the maximum tolerated intake. Alternating current (AC) impedance was employed to obtain the ionic conductivity. Furthermore, Li/CEs/Li-CoO 2 laminated cells were assembled to measure open-circuit voltages (V oc) for the application evaluation. Accordingly, the CE consisting of 20% PEO, 20% WPU (PTMG), 10% Al 2O 3, and 50% LiClO 4/PC was found to have the best performance for all the investigated characteristics.

Original languageEnglish
Pages (from-to)47-56
Number of pages10
JournalJournal of the Chinese Institute of Chemical Engineers
Volume32
Issue number1
Publication statusPublished - 2001 Jan

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Polyurethanes
Polyethylene oxides
Glycols
Electrolytes
Composite materials
Propylene
Carbonates
Aluminum Oxide
Open circuit voltage
Ionic conductivity
Differential scanning calorimetry
Microscopic examination
polytetramethylene glycol
Aluminum
Oxides

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

Cite this

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title = "The addition of Al 2O 3 in composite electrolytes consisting of polyethylene oxide and polytetramethylene glycol-based waterborne polyurethane",
abstract = "Composite electrolytes (CEs) containing polyethylene oxide (PEO), polytetramethylene glycol based waterborne polyurethane (WPU (PTMG)), LiClO 4/propylene carbonate (PC), and aluminum oxide (Al 2O 3) were prepared by blending. The influences of the addition of Al 2O 3 in CEs were investigated using the following methods. Differential scanning calorimetry (DSC) and polarizing microscopy (PM) were employed for material characterization. The swollen weight of CEs was measured to appraise the maximum tolerated intake. Alternating current (AC) impedance was employed to obtain the ionic conductivity. Furthermore, Li/CEs/Li-CoO 2 laminated cells were assembled to measure open-circuit voltages (V oc) for the application evaluation. Accordingly, the CE consisting of 20{\%} PEO, 20{\%} WPU (PTMG), 10{\%} Al 2O 3, and 50{\%} LiClO 4/PC was found to have the best performance for all the investigated characteristics.",
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AU - Wu, M. S.

AU - Wen, Ten-Chin

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N2 - Composite electrolytes (CEs) containing polyethylene oxide (PEO), polytetramethylene glycol based waterborne polyurethane (WPU (PTMG)), LiClO 4/propylene carbonate (PC), and aluminum oxide (Al 2O 3) were prepared by blending. The influences of the addition of Al 2O 3 in CEs were investigated using the following methods. Differential scanning calorimetry (DSC) and polarizing microscopy (PM) were employed for material characterization. The swollen weight of CEs was measured to appraise the maximum tolerated intake. Alternating current (AC) impedance was employed to obtain the ionic conductivity. Furthermore, Li/CEs/Li-CoO 2 laminated cells were assembled to measure open-circuit voltages (V oc) for the application evaluation. Accordingly, the CE consisting of 20% PEO, 20% WPU (PTMG), 10% Al 2O 3, and 50% LiClO 4/PC was found to have the best performance for all the investigated characteristics.

AB - Composite electrolytes (CEs) containing polyethylene oxide (PEO), polytetramethylene glycol based waterborne polyurethane (WPU (PTMG)), LiClO 4/propylene carbonate (PC), and aluminum oxide (Al 2O 3) were prepared by blending. The influences of the addition of Al 2O 3 in CEs were investigated using the following methods. Differential scanning calorimetry (DSC) and polarizing microscopy (PM) were employed for material characterization. The swollen weight of CEs was measured to appraise the maximum tolerated intake. Alternating current (AC) impedance was employed to obtain the ionic conductivity. Furthermore, Li/CEs/Li-CoO 2 laminated cells were assembled to measure open-circuit voltages (V oc) for the application evaluation. Accordingly, the CE consisting of 20% PEO, 20% WPU (PTMG), 10% Al 2O 3, and 50% LiClO 4/PC was found to have the best performance for all the investigated characteristics.

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