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Meeting Materials Science & Technology 2020
Symposium Advances in Synthesis and Integration Methods for Enhanced Properties, and Applications in Emerging Nanomaterials
Presentation Title Development of High-performance Ion Selective Membranes for Redox Flow Batteries
Author(s) Sangil Kim, Tongshuai Wang, Natalie Fifield, Chulsung Bae
On-Site Speaker (Planned) Sangil Kim
Abstract Scope Development of a low cost, reliable energy storage technology with high energy density is of great interest to our society. In particular, highly efficient large-scale electrochemical energy storage, i.e. redox flow batteries (RFBs), has been an important issue to enhance the efficiency and quality of electrical grid. Polymeric ion exchange membranes (IEMs) with good ion conductivity and high ion selectivity are highly desirable for the development of high performance RFBs. Here, we present our recent studies on establishing the relationships of IEMs and their electrochemical membrane properties with focus on RFBs (e.g. lithium polysulfide, all-vanadium). Our work demonstrates that a series of novel sulfonated aromatic polymer membranes and their nanocomposite membranes can provide high ion conductivity (e.g. Li+, H+) as well as selectivity which surpass the traditional ion conductivity-selectivity trade-off. Our systematic studies of polymer structures, morphologies, and properties can elucidate structure–property relationships at the molecular level.
Proceedings Inclusion? Undecided


Critical Elastic Interactions that Govern Effective Mechanical Behavior of Defective hBN and Graphene
Development of High-performance Ion Selective Membranes for Redox Flow Batteries
Efficient Neuromorphic Computing Enabled by Spin-Transfer Torque: Devices, Circuits and Systems
Electrochemical 2D Synapses for Neuromorphic Computing Applications
Ideal Graphene Schottky Junctions: The Building Block for Reconfigurable Logic and 3D Monolithic Integration
Impact of Processing Parameters on Metal Oxide Resistive Random Access Memory (RRAM) Performance and Implications for non-von Neumann Computing Approaches
Influence of Surface Charge on the Photochemical Reactivity of SrTiO3, BaTiO3, and TiO2/BaTiO3 Heterostructured Catalysts
Integration of Synthesis and Computation to Investigate Two-dimensional Transition Metal Chalcogenides: Strain, Defect, and Moiré Engineering
Introduction to Research Capabilities at Center for Functional Nanomaterials, a DOE National User Facility
Investigating the Micro-structure and Transport Mechanisms in Graphene Copper Composites
Iontronic Devices for Energy Efficient Electronics and Neuromorphic Computing
Laser Processing of Soft Magnetic Amorphous and Nanocrystalline Alloys
Low-reflectivity Carbon Nanotube Coatings for Space Applications
Mixed-Dimensional Hetero-structures for Advanced Logic and Memory Devices
Multi-functional Surfaces
Nanoscale Oxide Layers for Halide Perovskite Solar Cells
Polymer Additives for Stable Hybrid Perovskite Solar Cells
Van der Waals and Remote Epitaxy for Quantum Materials Research

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