Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Ion Gels"”.
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Block copolymer Ion gels for CO2 Separations
Block copolymer ion gel is composed of a polymer network formed by self-assembly of triblock copolymers, and an ionic liquidIn this thesis project, the target is to study the gas separation performance of ion gels for CO2 separation, and seek ways to optimize their properties in terms of the gas …
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Nano-Confined Room-Temperature Ionic Liquids for Electrochemical Applications
Room-temperature ionic liquids (RTILs) and their derivatives are promising electrolytes for electrochemical devices including supercapacitors. Understanding the behavior of RTILs in these devices is critical for improving their performance. The energy density of supercapacitors can be improved …
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Development and Characterization of Advanced Polymer Electrolyte for Energy Storage and Conversion Devices
… have been widely employed in diverse applications such as fuel cell membranes, battery separators, mechanical actuators, reverse-osmosis membranes and solar cells. The polymer electrolytes used for these applications usually require a combination of properties, including anisotropic …
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Molecular Structure and Dynamics of Novel Polymer Electrolytes Featuring Coulombic Liquids
… meet all technical demands by their applications (e.g., high ionic conductivity and good mechanical strength), and new types of polymer electrolytes continue to be developed. In this dissertation, the molecular structure and dynamics of three emerging types of polymer electrolytes featuring …
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Dynamic-template-directed crystallization of semiconducting polymers for organic electronics
Solution processable semiconducting polymers have been under intense investigations due to their potential applications in large-area printed electronics from solar cells to biomedical devices. However, controlling the multiscale morphology and device performance of printed polymer thin films …
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Controlling properties of functional oxides by tuning oxygen defect chemistry
… building blocks for properties and functionalities of oxides, including electrical conductivity, magnetism, ferroelectricity as well as catalytic and electrocatalytic activity. Therefore, fundamental understanding of how to tune the oxygen defect chemistry is essential for advancing …
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Development, Characterization, and Fundamental Studies on Molecular Ionic Composites and PBDT Hydrogels
This dissertation aims to develop, characterize, and fundamentally understand a new class of materials termed "molecular ionic composites" (MICs). MICs show promise as next-generation solid electrolytes for batteries. MICs form when mixing a rigid polyanion with purely ionic fluids, and they behave …