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Designing nanostructured Si anodes for high energy lithium ion batteries

Paper ID Volume ID Publish Year Pages File Format Full-Text
32187 44908 2012 16 PDF Available
Title
Designing nanostructured Si anodes for high energy lithium ion batteries
Abstract

SummaryHigh energy lithium ion batteries are in demand for consumer electronics, electric-drive vehicles and grid-scale stationary energy storage. Si is of great interest since it has 10 times higher specific capacity than traditional carbon anodes. However, the poor cyclability due to the large volume change of Si upon insertion and extraction of lithium has been an impediment to its deployment. This review outlines three fundamental materials challenges associated with large volume change, and then shows how nanostructured materials design can successfully address these challenges. There have been three generations of nanostructure design, encompassing solid nanostructures such as nanowires, hollow nanostructures, and clamped hollow structures. The nanoscale design principles developed for Si can also be extended to other battery materials that undergo large volume changes.

Graphical abstractSi electrode failure mechanisms: (a) Material pulverization. (b) Continuous SEI growth. (c) Morphology and volume change of the entire Si electrode.Figure optionsDownload full-size imageDownload high-quality image (143 K)Download as PowerPoint slideHighlights► We reviewed recent research progress on Si based high performance anode for lithium ion batteries. ► We reviewed the fundamental challenges associated with large volume change in Si anode. ► Nanostructured materials design can significantly improve the cycling life of Si anode. ► The nanoscale design principles can also be extended to other battery materials that undergo large volume changes.

Keywords
Lithium ion battery; Si nanostructures; Anodes; Electrochemistry; Solid electrolyte interphase
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Designing nanostructured Si anodes for high energy lithium ion batteries
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 7, Issue 5, October 2012, Pages 414–429
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us