Silicon Materials for Lithium-ion Battery Applications


Silicon Materials for Lithium-ion Battery Applications

Sarigamala Karthik Kiran, Martha Ramesh, Shobha Shukla and Sumit Saxena

Silicon, a hard brittle crystalline solid is tetravalent metalloid and prominently well known in the semiconductor community. Although silicon has been a material of choice for energy generation in silicon solar cells, its high theoretical lithium storage capacity makes it one of the most promising anode materials for development of high performance Li-ion batteries. Unfortunately, silicon exhibits large volume expansion leading to severe problems associated with structural integrity of the electrode and capacity retention. Several silicon nanostructures have been explored to mitigate shortfalls of using bulk silicon as electrode material. In this chapter, we discuss various promising designs, utilizing various nanostructures as a possibility to mitigate the issues related to the use of silicon in Li-ion batteries. The formation of axial heterojunctions, and core/shell nanostructures is discussed. Processes such as etching based metal assisted electrochemical, co-precipitation, magnesiothermic reduction, and chemical vapour deposition techniques are briefly discussed. The structural, electrical and electro-chemical properties of different nanostructures grown by these methods are also summarized.

Silicon Anode, Li-ion Battery, Nanostructures, Core Shells, Capacity, Stability

Published online 7/25/2020, 42 pages

Citation: Sarigamala Karthik Kiran, Martha Ramesh, Shobha Shukla and Sumit Saxena, Silicon Materials for Lithium-ion Battery Applications, Materials Research Foundations, Vol. 80, pp 161-202, 2020


Part of the book on Lithium-ion Batteries

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