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Improvement of Structural Stability of LiCoO[sub 2] Cathode during Electrochemical Cycling by Sol-Gel Coating of SnO[sub 2]
Open accessAbstract
We report that sol‐gel coating of and subsequent heat‐treatment at relatively low temperature greatly improve the structural stability of cathodes. Coated materials heat‐treated at 400 and exhibit excellent structural stability, retaining 86 and 84 %, respectively, of their initial capacities after 47 cycles between 4.4 and at the rate. This is attributed to the disappearance of the transition to a hexagonal phase from a monoclinic phase at during cycling, a result of the formation of nonuniform distribution throughout the particle, i.e., higher concentration near the particle surface. In contrast, coated heat‐treated at that shows unifom distribution throughout the particles exhibits this phase transition during cycling, as does uncoated , leading to 51 % capacity loss after 47 cycles. This phase transition also increases cation disorder upon cycling. ©2000 The Electrochemical Society
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Cited by
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A novel carbon-coated LiCoO2 as cathode material for lithium ion battery
Cao, Q., Zhang, H. P., Wang, G. J., Xia, Q., Wu, Y. P., & Wu, H. Q. (2007) · Electrochemistry Communications · doi:10.1016/j.elecom.2007.01.017 · Cited by 329
Quintero, C., Dahlkamp, J. M., Fierro, F., Thennis, T., Zhang, Y., Videla, Á., & Rojas, R. (2020) · Hydrometallurgy · doi:10.1016/j.hydromet.2020.105515 · Cited by 34
Metadata
- Authors
- Cho, J.
- Venue
- Electrochemical and Solid-State Letters
- Publisher
- The Electrochemical Society
- Published
- 1999
- Volume
- 3
- Issue
- 8
- Pages
- 362
- ISSN
- 1099-0062 (ISSN-L)
- OpenAlex
- W2952981813
- Cited by
- 202
- References
- 0
- FWCI
- 4.00
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Improvement of Structural Stability of LiCoO[sub 2] Cathode during Electrochemical Cycling by Sol-Gel Coating of SnO[sub 2]. https://app.cochat.ai/papers/10.1149/1.1391149
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- Cho, J. (1999). Improvement of Structural Stability of LiCoO[sub 2] Cathode during Electrochemical Cycling by Sol-Gel Coating of SnO[sub 2]. Electrochemical and Solid-State Letters. https://doi.org/10.1149/1.1391149
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