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Cotton-templated hierarchical porous structures for high power lithium rechargeable batteries

Cited 20 time in Web of Science Cited 20 time in Scopus
Authors
Choi, Dong In; Lee, Hongkyung; Lee, Dong Jin; Nam, Kwan-Woo; Kim, Joo-Seong; Huggins, Robert A.; Park, Jung-Ki; Choi, Jang Wook
Issue Date
2013-05
Citation
Journal of Materials Chemistry A, Vol.1 No.17, pp.5320-5325
Abstract
High power full-cells of LiNi0.5Mn1.5O4-Li4Ti5O12 are demonstrated by engaging a scalable cotton-templated synthetic process. The cotton-templated method produces hierarchical structures in which primary particles in the range of 100-300 nm form three-dimensional porous secondary structures for both electrodes. While the primary particles in the smaller scales facilitate efficient electronic/ionic diffusion for high rate performance, the three-dimensional porous secondary structures remain stable during cycling for excellent cycle life. The synthetic method introduced herein is simple and universal, and should thus be applicable to other battery materials requiring high power performance.
ISSN
2050-7488
URI
http://hdl.handle.net/10371/164620
DOI
https://doi.org/10.1039/c3ta00192j
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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