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Long-term cycling stability of porous Sn anode for sodium-ion batteries
- Authors
- Kim, Changhyeon; Lee, Ki-Young; Kim, Icpyo; Park, Jinsoo; Cho, Gyubong; Kim, Ki-Won; Ahn, Jou-Hyeon; Ahn, Hyo-Jun
- Issue Date
- 15-Jun-2016
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Tin anode; Phase inversion; Porous structure; Sodium ion battery
- Citation
- JOURNAL OF POWER SOURCES, v.317, pp 153 - 158
- Pages
- 6
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- JOURNAL OF POWER SOURCES
- Volume
- 317
- Start Page
- 153
- End Page
- 158
- ISSN
- 0378-7753
1873-2755
- Abstract
- A phase-inversion technique is introduced to produce a porous Sn anode for sodium batteries, which can accommodate volume changes during sodiation and desodiation. The Sn electrode shows two plateaus with a capacity of 1066 mAh g(-1) during the first sodiation and four flat plateaus with a charge capacity of 674 mAh g(-1) at the first desodiation process. During 500 cycles, the Sn electrode shows reversible capacity more than 519 mAh g(-1) with Coulombic efficiency of nearly 99%. The Sn electrode with a porous structure is a possible solution to the electrode degradation. (C) 2016 Elsevier B.V. All rights reserved.
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