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Showing 1 to 13 of 13 for “"Solid polymer electrolytes"”.
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New Solid Polymer Electrolytes for Lithium, Sodium, and Calcium-based Batteries
… have investigated different lithium-free liquid electrolytes, the transport of these alternative ions in their polymer counterparts remains understudied. The advantages of solid polymer electrolytes include the possibility of higher energy density in solid-state devices and the elimination of …
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Advanced Solid Polymer Electrolytes Based on Crosslinking and Concentrated Ionic Liquid
L'abstract è presente nell'allegato / the abstract is in the attachment
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MULTI-IONIC LITHIUM SALTS FOR USE IN SOLID POLYMER ELECTROLYTES FOR LITHIUM BATTERIES
Commercial lithium ion batteries use liquid electrolytes because of their high ionic conductivity (>10-3 S/cm) over a broad range of temperatures, high dielectric constant, and good electrochemical stability with the electrodes (mainly the cathode cathode). The disadvantages of their use in lithium …
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Mechanisms of Enhancing Solid Polymer Electrolytes Using Nanofillers and Ionic Liquid for Applications in Flexible Lithium Ion Batteries
Polymer-based electrolytes have gained much attention in recent decades due to their many advantages including high thermal and chemical stability, and the consequent enhanced safety in lithium ion batteries. Also, thin-film manufacturability and mechanical strength make the polymer-based …
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Poly(Ethylene Oxide)/Graphene Oxide Polymer Nanocomposite Electrolyte for Lithium Ion Batteries
Solid polymer electrolytes (SPEs) can resolve the safety problems associated with the traditional liquid electrolytes while offering mechanical stability and thin film manufacturability. The main issue with SPEs is the lower ionic conductivity at room temperature compared to that of liquid …
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Polymer Electrolyte Discovery via Rational Design and High Throughput Methods
… batteries will be enabled by advances in electrolytes which are the focus of this work. In this thesis, we focus on solid polymer electrolytes, which have the potential to enable more energy-dense batteries, and display improved safety compared to the highly flammable and toxic liquid …
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Accelerating Polymer Electrolyte Discovery with Machine Learning
Solid polymer electrolytes (SPEs) have the potential to improve energy storage devices by enhancing safety and enabling higher energy densities. However, SPEs suffer from significantly lower ionic conductivity than liquid electrolytes, limiting their adoption in functional devices. To facilitate …
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In-situ Polymerization of Methacrylate based Solid Polymer Electrolyte for Solid State Lithium-ion Batteries
… hazard due to the use of flammable organic electrolytes with high vapor pressure. Solid state batteries (SSB) may become a solution to this problem if they mitigate the flammability issue and offer sufficiently high energy and power densities required for applications in the electric …
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CRYOGENIC MICROSCOPIES OF ENERGY STORAGE MATERIALS: INSIGHTS INTO METAL ANODES, SOLID-ELECTROLYTE INTERFACES, AND MXENES
… materials, including alkali metal anodes, solid-electrolyte interfaces (SEI), and MXenes through developed cryogenic characterization techniques in batteries.Our research addresses a critical characterization gap by developing and adapting multiple cryogenic techniques specifically for …
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Chemical vapor deposition of functional and conformal polymer thin films for the formation and modification of nanostructures
… explores the chemical vapor deposition (CVD) of polymer thin films to enable both the formation and modification of nanostructures. The CVD method allows for simultaneous polymer synthesis and thin film formation. The broad range of applications studied in this thesis all benefit from the …
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Tailoring the electrochemical properties of catholytes for solid-state sodium batteries
Sodium-based all-solid-state batteries (ASSBs) represent a promising alternative to lithium-based systems due to their inherent safety and the abundance and low cost of sodium resources. However, their large-scale adoption is hindered by limited solid electrolyte ionic conductivity, poor …
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Tunable viscoelasticity, morphology, and charge transport of dynamic covalent polymers
… great potential as reprocessable and recyclable solid polymer electrolytes with tunable mechanical and transport properties, offering a safer and more stable alternative to conventional liquid electrolytes. Compared to crosslinked systems, the role of dynamic covalent bond exchange in rigid, …
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Controlling the mechanical and transport properties of layer-by-layer films and electrospun mat composite membranes for fuel cell applications
… fuels. The continued development of thin-film solid polymer electrolytes with improved mechanical and ion transport properties is critical for the further advancement of such electrochemical energy devices. For hydrogen and methanol fuel cells, the proton exchange membrane (PEM) has to have …