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Intragranular cracking as a critical barrier for high-voltage usage of layer-structured cathode for lithium-ion batteries
Open accessAbstract
LiNi 1/3 Mn 1/3 Co 1/3 O 2-layered cathode is often fabricated in the form of secondary particles, consisting of densely packed primary particles. This offers advantages for high energy density and alleviation of cathode side reactions/corrosions, but introduces drawbacks such as intergranular cracking. Here, we report unexpected observations on the nucleation and growth of intragranular cracks in a commercial LiNi 1/3 Mn 1/3 Co 1/3 O 2 cathode by using advanced scanning transmission electron microscopy. We find the formation of the intragranular cracks is directly associated with high-voltage cycling, an electrochemically driven and diffusion-controlled process. The intragranular cracks are noticed to be characteristically initiated from the grain interior, a consequence of a dislocation-based crack incubation mechanism. This observation is in sharp contrast with general theoretical models, predicting the initiation of intragranular cracks from grain boundaries or particle surfaces. Our study emphasizes that maintaining structural stability is the key step towards high-voltage operation of layered-cathode materials.
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Cited by
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Tomaszewska, A., Chu, Z., Feng, X., O'Kane, S., Liu, X., Chen, J., Ji, C., Endler, E., Li, R., Liu, L., et al. (2019) · eTransportation · doi:10.1016/j.etran.2019.100011 · Cited by 1,592
Li, J., Fleetwood, J., Hawley, W. B., & Kays, W. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00565 · Cited by 895
Advances in Structure and Property Optimizations of Battery Electrode Materials
Meng, J., Guo, H., Niu, C., Zhao, Y., Xu, L., Li, Q., & Mai, L. (2017) · Joule · doi:10.1016/j.joule.2017.08.001 · Cited by 312
Ding, F., Ji, P., Han, Z., Hou, X., Yang, Y., Hu, Z., Niu, Y., Liu, Y., Zhang, J., Rong, X., et al. (2024) · Nature Energy · doi:10.1038/s41560-024-01616-5 · Cited by 280
Self-citationLee, H., Lim, H.-S., Ren, X., Yu, L., Engelhard, M. H., Han, K. S., Lee, J., Kim, H.-T., Xiao, J., Liu, J., et al. (2018) · ACS Energy Letters · doi:10.1021/acsenergylett.8b01819 · Cited by 150
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Metadata
- Authors
- Yan, P., Zheng, J., Gu, M., Xiao, J., Zhang, J.-G., & Wang, C.-M.
- Venue
- Nature Communications
- Published
- 2017-01-16
- Volume
- 8
- Issue
- 1
- Pages
- 14101-14101
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2576928823
- Cited by
- 1,010
- References
- 0
- FWCI
- 30.99
- Type
- journal article
- Language
- en
- Open access
- gold
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- Yan, P., Zheng, J., Gu, M., Xiao, J., Zhang, J.-G., & Wang, C.-M. (2017). Intragranular cracking as a critical barrier for high-voltage usage of layer-structured cathode for lithium-ion batteries. Nature Communications. https://doi.org/10.1038/ncomms14101
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
