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Your search keyword '"Yiju Li"' showing total 9 results
Start Over Author "Yiju Li" Publisher american chemical society
9 results on '"Yiju Li"'

8. Rapid, in Situ Synthesis of High Capacity Battery Anodes through High Temperature Radiation-Based Thermal Shock.

Author

Yanan Chen, Yiju Li, Yanbin Wang, Kun Fu, Danner, Valencia A., Jiaqi Dai, Lacey, Steven D., Yonggang Yao, and Liangbing Hu

Subjects
*LITHIUM-ion batteries, *ANODES, *GRAPHENE oxide, *HIGH temperatures, *HEAT radiation & absorption, *THERMAL shock, *CHEMICAL synthesis
Abstract

High capacity battery electrodes require nanosized components to avoid pulverization associated with volume changes during the charge-discharge process. Additionally, these nanosized electrodes need an electronically conductive matrix to facilitate electron transport. Here, for the first time, we report a rapid thermal shock process using high-temperature radiative heating to fabricate a conductive reduced graphene oxide (RGO) composite with silicon nanoparticles. Silicon (Si) particles on the order of a few micrometers are initially embedded in the RGO host and in situ transformed into 10-15 nm nanoparticles in less than a minute through radiative heating. The as-prepared composites of ultrafine Si nanoparticles embedded in a RGO matrix show great performance as a Li-ion battery (LIB) anode. The in situ nanoparticle synthesis method can also be adopted for other high capacity battery anode materials including tin (Sn) and aluminum (Al). This method for synthesizing high capacity anodes in a RGO matrix can be envisioned for roll-to-roll nanomanufacturing due to the ease and scalability of this high-temperature radiative heating process. [ABSTRACT FROM AUTHOR]

Published
2016
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