Title
Silicon Inverse Opal Materials as Electrodes for LithiumIon Batteries: Synthesis, Characterisation and Electrochemical Performa,Used
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Threedimensional macroporous structures (opals' and inverse opals') can be produced by colloidal crystal templating, one of the most intensively studied areas in materials science today. There are several potential advantages of lithiumion battery electrodes based on inverse opal structures. High electrode surface, easier electrolyte access to the bulk of electrode and reduced lithium diffusion lengths allow higher discharge rates. Highly open structures provide for better mechanical stability to volume swings during cycling. Silicon is one of the most promising anode materials for lithiumion batteries. Its theoretical capacity exceeds capacities of all other materials besides metallic lithium. Silicon is abundant, cheap, and its use would allow for incorporation of microbattery production into the semiconductor manufacturing. Performance of silicon is restricted mainly by large volume changes during cycling. The objective of this work was to investigate how the inverse opal structures influence the performance of silicon electrodes. Several types of siliconbased inverse opal films were synthesised, and their electrochemical performance was studied.
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We provide a 2-year limited warranty, from the date of purchase for all our products.
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This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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