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Amorphous Hierarchical Porous GeOx as High-Capacity Anodes for Li Ion Batteries with Very Long Cycling Life
Abstract
Many researchers have focused in recent years on resolving the crucial problem of capacity fading in Li ion batteries when carbon anodes are replaced by other group-IV elements (Si, Ge, Sn) with much higher capacities. Some progress was achieved by using different nanostructures (mainly carbon coatings), with which the cycle numbers reached 100-200. However, obtaining longer stability via a simple process remains challenging. Here we demonstrate that a nanostructure of amorphous hierarchical porous GeO(x) whose primary particles are ~3.7 nm diameter has a very stable capacity of ~1250 mA h g(-1) for 600 cycles. Furthermore, we show that a full cell coupled with a Li(NiCoMn)(1/3)O(2) cathode exhibits high performance.
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Citations
Cited by
Research Progress on Negative Electrodes for Practical Li‐Ion Batteries: Beyond Carbonaceous Anodes
Aravindan, V., Lee, Y., & Madhavi, S. (2015) · Advanced Energy Materials · doi:10.1002/aenm.201402225 · Cited by 462
Holtstiege, F., Bärmann, P., Nölle, R., Winter, M., & Placke, T. (2018) · Batteries · doi:10.3390/batteries4010004 · Cited by 357
Nai, J., Tian, Y., Guan, X., & Guo, L. (2013) · Journal of the American Chemical Society · doi:10.1021/ja402751r · Cited by 314
Seng, K. H., Park, M.-H., Guo, Z. P., Liu, H. K., & Cho, J. (2013) · Nano Letters · doi:10.1021/nl304716e · Cited by 279
Zhang, Y., Chen, P., Gao, X., Wang, B., Liu, H., Wu, H., Liu, H., & Dou, S. (2016) · Advanced Functional Materials · doi:10.1002/adfm.201603716 · Cited by 267
Metadata
- Authors
- Wang, X.-L., Han, W.-Q., Chen, H., Bai, J., Tyson, T. A., Yu, X.-Q., Wang, X.-J., & Yang, X.-Q.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-12-05
- Volume
- 133
- Issue
- 51
- Pages
- 20692-20695
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1972998633
- Cited by
- 303
- References
- 0
- FWCI
- 21.17
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, X.-L., Han, W.-Q., Chen, H., Bai, J., Tyson, T. A., Yu, X.-Q., Wang, X.-J., & Yang, X.-Q. (2011). Amorphous Hierarchical Porous GeOx as High-Capacity Anodes for Li Ion Batteries with Very Long Cycling Life. Journal of the American Chemical Society. https://doi.org/10.1021/ja208880f
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