Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/48687
Title: NANOSTRUCTURED MATERIALS FOR HIGH-PERFORMANCE LITHIUM-ION BATTERY ANODES BASED ON EARTH ABUNDANT ELEMENTS
Authors: MA YUE
Keywords: Nanostructures, Lithium-Ion Battery, Anode, Earth-Abundant, High-Performance, Nano-Engineering Techniques
Issue Date: 6-Aug-2013
Source: MA YUE (2013-08-06). NANOSTRUCTURED MATERIALS FOR HIGH-PERFORMANCE LITHIUM-ION BATTERY ANODES BASED ON EARTH ABUNDANT ELEMENTS. ScholarBank@NUS Repository.
Abstract: The electrification of transportation systems and energy storage for distributed power generation require safe and cost-effective battery systems with performance better than current available lithium-ion batteries. Among the potential substitutes for commercial carbon anodes, materials based on earth abundant elements (Si, Ti, Fe and Mn) are most alluring from cost and environmental perspectives if their common problems of poor electrical conductivity and/or volume changes in charge-discharge cycling could be alleviated. This thesis aims to demonstrate novel approaches in the anode material design through the compositional and structural modulations at different length scales; and component integration was engineered to maximize the complementarity of interactions. Specifically these methodologies include bulk property modifications (heteroatom doping, size reduction), surface modifications (conformal coating, interfacial defects) and microstructure tailoring (heterostructures designs, mesoporosity, controlled aggregation of nanosized subunits) and some others. Some of the products with the proper design delivered very satisfying overall performance for the respective class of materials.
URI: http://scholarbank.nus.edu.sg/handle/10635/48687
Appears in Collections:Ph.D Theses (Open)

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