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Showing 1 to 11 of 11 for “"silicon anode"”.
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Effects of Water-Soluble Binders on Direct Ink Writing Silicon Anode in Lithium-Ion Batteries
… in the performance of a Li-ion battery is the anode material. The current anode material that is commonly being used in the present market is graphite on copper foil, which is effective but is expensive, has limited availability, and the theoretical specific capacity is only 327 mAh/g. Studying …
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Directed lithium transport in high capacity lithium-ion battery electrodes
… of strain evolution in model, single-crystalline silicon anode microstructures on electrochemical intercalation of lithium atoms. We highlight model strain-limiting silicon anode architectures that mitigate these impacts. By selecting a specific design for the silicon anode microstructure, and …
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Understanding and Preventing the Degradation of Silicon as a Lithium Ion Battery Anode
Silicon anodes are of great interest for lithium ion batteries (LIBs) due to their promising high gravimetric capacity compared to conventional carbon anodes. However, the immense volume expansion and continuous solid-electrolyte interphase (SEI) formation during operation hinder stable long-term …
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Silicon nanowire anode for lithium-ion batteries: fabrication, characterization and solid electrolyte interphase
… high operating voltage and high energy density. Silicon nanowires are considered as lithium-ion battery anodes for their ultra high capacity at 4200 mAh·g-1 (10× higher than conventional graphite anode), as well as stress accommodation for reversible lithiation and delithiation. Silicon nanowires …
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Development Of Silicon-Based Anodes And In-Situ Characterization Techniques For Lithium Ion Batteries
… such as portable devices and electric vehicles. Silicon has recently been explored as a promising anode material due to its low discharge potential (<0.4 V) and high specific capacity (4200 mAh g<sup>-1</sup>). The capacity of silicon potentially exceeds more than 10 times of the conventional …
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Interfacial Tailoring of Lithium-ion Batteries by Atomic/Molecular Layer Deposition
… dendrites growth, large volume change of the silicon anode, large polarization and even safety problems. </p> <p>Atomic layer deposition (ALD) and molecular layer deposition (MLD) are two important techniques, both proceeding in self-limiting gas-solid reactions and exhibiting excellent …
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The stress and strain behavior of materials for energy storage and production
… function: high-capacity lithium-ion battery anode materials, specifically silicon and tin, and the surface stress changes of platinum, palladium, and rhodium catalysts for the oxygen reduction reaction of fuel cells. In the first section, silicon microstructuring is utilized in order to …
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Crosslinked polymer-based electrolytes for high- energy density Li-based batteries for EVs
L'abstract è presente nell'allegato / the abstract is in the attachment
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Nano-Silicon/graphene Composite Anodes For Enhanced Performance Lithium Ion Batteries
… insufficient. Recently, the most promising anode material to substitute the traditional graphite is Si. As an anode Si has low discharge potential and theoretical the highest known theoretical capacity (>10 fold of graphite). However, due to the increased accommodated Li+ during …
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Simulations of silicon-graphene anodes using machine-learning-based interatomic potentials
Silicon-based anodes hold great promise for next-generation lithium-ion batteries (LIBs) due to their high energy density. However, their practical application is hindered by significant volume changes during cycling, leading to numerous issues, such as mechanical degradation and capacity fading. …
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Structural Modification of Interfaces for Sustainable High-Performance Batteries
… of dissolved sulfur species with porous silicon anodes and the influence of polysulfides in anode-free systems. The studies further show how stability and lifetime can be improved and transferred to post-lithium systems. As battery demands, especially in mobility, continue to increase, …