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Hard templating synthesis of mesoporous and nanowire SnO2 lithium battery anode materials
Abstract
Mesoporous and nanowire SnO2 anode materials for lithium batteries were prepared using KIT-6 and SBA-15 SiO2 templates, and their electrochemical properties were compared at different current rates. The as-prepared SnO2nanowires had a diameter of 6 nm and a length of >3 μm and Brunauer–Emmett–Teller (BET) surface area of 80 m2 g−1 while mesoporous SnO2 showed a pore size of 3.8 nm and a BET surface area of 160 m2 g−1. The charge capacities of these two anodes were similar to each other at 800 mAh g−1, but mesoporous SnO2 showed much improved cycle life performance and rate capabilities because of its higher surface area than nanowire SnO2. Especially, the capacity retention of the mesoporous SnO2 was 98%, compared with 31% for the SnO2nanowires at a 10 C rate (= 4000 mA g−1). The improved electrochemical performance of the mesoporous SnO2 was related to the regular porosity which permitted thorough flooding of the electrolyte between the particles, and the mesopores which acted as a buffer zone during the volume contraction and expansion of Sn.
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Cites
Ba, J., Polleux, J., Antonietti, M., & Niederberger, M. (2005) · Advanced Materials · doi:10.1002/adma.200501018 · Cited by 271
Cited by
Review on recent progress of nanostructured anode materials for Li-ion batteries
Goriparti, S., Miele, E., De Angelis, F., Di Fabrizio, E., Proietti Zaccaria, R., & Capiglia, C. (2014) · Journal of Power Sources · doi:10.1016/j.jpowsour.2013.11.103 · Cited by 2,092
Zhao, Y., Li, X., Yan, B., Xiong, D., Li, D., Lawes, S., & Sun, X. (2016) · Advanced Energy Materials · doi:10.1002/aenm.201502175 · Cited by 910
Green energy storage materials: Nanostructured TiO2 and Sn-based anodes for lithium-ion batteries
Deng, D., Kim, M. G., Lee, J. Y., & Cho, J. (2009) · Energy & Environmental Science · doi:10.1039/b823474d · Cited by 891
Self-citationOrdered mesoporous metal oxides: synthesis and applications
Ren, Y., Ma, Z., & Bruce, P. G. (2012) · Chemical Society Reviews · doi:10.1039/c2cs35086f · Cited by 768
Porous electrode materials for lithium-ion batteries–how to prepare them and what makes them special
Vu, A., Qian, Y., & Stein, A. (2012) · Advanced Energy Materials · doi:10.1002/aenm.201200320 · Cited by 719
Metadata
- Authors
- Kim, H., & Cho, J.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2008
- Volume
- 18
- Issue
- 7
- Pages
- 771
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W2106238101
- Cited by
- 274
- References
- 1
- FWCI
- 23.61
- Type
- journal article
- Language
- en
- Open access
- closed
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