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Beyond Doping and Coating: Prospective Strategies for Stable High-Capacity Layered Ni-Rich Cathodes
Open accessAbstract
Abstract This Perspective discusses the prospective strategies for overcoming the stability and capacity trade-off associated with increased Ni content in layered Ni-rich Li[NixCoyMnz]O2 (NCM) and Li[NixCoyAlz]O2 (NCA) cathodes. The Ni-rich NCM and NCA cathodes have largely replaced the LiCoO2 cathodes in commercial batteries because of their lower cost, higher energy density, good rate capability, and reliability that has been extensively field-tested. Nevertheless, they suffer from microcrack generation along grain boundaries and Ni3+/4+ reactivity that rapidly deteriorate electrochemical performance. Doping and coating have been efficient strategies in delaying the onset of the damage, but they fail to overcome the degradation. There are, however, alternative strategies that directly counter the inherent degradation through micro- and nanostructural modifications of the Ni-rich NCM and NCA cathodes.
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Citations
Cites
Electrode Degradation in Lithium-Ion Batteries
Pender, J. P., Jha, G., Youn, D. H., Ziegler, J. M., Andoni, I., Choi, E. J., Heller, A., Dunn, B. S., Weiss, P. S., Penner, R. M., et al. (2020) · ACS Nano · doi:10.1021/acsnano.9b04365 · Cited by 873
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Cited by
Capacity Fading Mechanisms in Ni-Rich Single-Crystal NCM Cathodes
Ryu, H.-H., Namkoong, B., Kim, J.-H., Belharouak, I., Yoon, C. S., & Sun, Y.-K. (2021) · ACS Energy Letters · doi:10.1021/acsenergylett.1c01089 · Cited by 631
Self-citationRoadmap for a sustainable circular economy in lithium-ion and future battery technologies
Harper, G. D. J., Kendrick, E., Anderson, P. A., Mrozik, W., Christensen, P., Lambert, S., Greenwood, D., Das, P. K., Ahmeid, M., Milojevic, Z., et al. (2023) · Journal of Physics: Energy · doi:10.1088/2515-7655/acaa57 · Cited by 137
Wang, J., Li, D., Zeng, W., Chen, X., Zhang, Y., Zhang, S., Li, Z., Li, C., & Mu, S. (2025) · Journal of Energy Chemistry · doi:10.1016/j.jechem.2024.11.016 · Cited by 62
Metadata
- Authors
- Sun, H. H., Ryu, H.-H., Kim, U.-H., Weeks, J. A., Heller, A., Sun, Y.-K., & Mullins, C. B.
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2020-03-06
- Volume
- 5
- Issue
- 4
- Pages
- 1136-1146
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W3009109952
- Cited by
- 495
- References
- 1
- FWCI
- 24.22
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Sun, H. H., Ryu, H.-H., Kim, U.-H., Weeks, J. A., Heller, A., Sun, Y.-K., & Mullins, C. B. (2020). Beyond Doping and Coating: Prospective Strategies for Stable High-Capacity Layered Ni-Rich Cathodes. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.0c00191
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