The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
High areal capacity battery electrodes enabled by segregated nanotube networks
Open accessAbstract
Increasing the energy storage capability of lithium-ion batteries necessitates maximization of their areal capacity. This requires thick electrodes performing at near-theoretical specific capacity. However, achievable electrode thicknesses are restricted by mechanical instabilities, with high-thickness performance limited by the attainable electrode conductivity. Here we show that forming a segregated network composite of carbon nanotubes with a range of lithium storage materials (for example, silicon, graphite and metal oxide particles) suppresses mechanical instabilities by toughening the composite, allowing the fabrication of high-performance electrodes with thicknesses of up to 800 μm. Such composite electrodes display conductivities up to 1 × 104 S m−1 and low charge-transfer resistances, allowing fast charge-delivery and enabling near-theoretical specific capacities, even for thick electrodes. The combination of high thickness and specific capacity leads to areal capacities of up to 45 and 30 mAh cm−2 for anodes and cathodes, respectively. Combining optimized composite anodes and cathodes yields full cells with state-of-the-art areal capacities (29 mAh cm−2) and specific/volumetric energies (480 Wh kg−1 and 1,600 Wh l−1).While thicker battery electrodes are in high demand to maximize energy density, mechanical instability is a major hurdle in their fabrication. Here the authors report that segregated carbon nanotube networks enable thick, high-capacity electrodes for a range of materials including Si and NMC.
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Cites
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Optimizing Areal Capacities through Understanding the Limitations of Lithium-Ion Electrodes
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Self-citationHiggins, T. M., Park, S.-H., King, P. J., Zhang, C. (., McEvoy, N., Berner, N. C., Daly, D., Shmeliov, A., Khan, U., Duesberg, G., et al. (2016) · ACS Nano · doi:10.1021/acsnano.6b00218 · Cited by 481
Self-citationThick Electrodes for High Energy Lithium Ion Batteries
Singh, M., Kaiser, J., & Hahn, H. (2015) · Journal of The Electrochemical Society · doi:10.1149/2.0401507jes · Cited by 455
High-performance battery electrodes via magnetic templating
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Cracking in Drying Colloidal Films
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Failure mechanisms of single-crystal silicon electrodes in lithium-ion batteries
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Quantifying the factors limiting rate performance in battery electrodes
Tian, R., Park, S.-H., King, P. J., Cunningham, G., Coelho, J., Nicolosi, V., & Coleman, J. N. (2019) · Nature Communications · doi:10.1038/s41467-019-09792-9 · Cited by 326
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Cited by
Multiscale Understanding and Architecture Design of High Energy/Power Lithium‐Ion Battery Electrodes
Zhang, X., Ju, Z., Zhu, Y., Takeuchi, K. J., Takeuchi, E. S., Marschilok, A. C., & Yu, G. (2021) · Advanced Energy Materials · doi:10.1002/aenm.202000808 · Cited by 299
Kim, N., Kim, Y., Sung, J., & Cho, J. (2023) · Nature Energy · doi:10.1038/s41560-023-01333-5 · Cited by 299
Sung, J., Kim, N., Ma, J., Lee, J. H., Joo, S. H., Lee, T., Chae, S., Yoon, M., Lee, Y., Hwang, J., et al. (2021) · Nature Energy · doi:10.1038/s41560-021-00945-z · Cited by 285
An, Y., Tian, Y., Wei, H., Xi, B., Xiong, S., Feng, J., & Qian, Y. (2020) · Advanced Functional Materials · doi:10.1002/adfm.201908721 · Cited by 269
Constructing Pure Si Anodes for Advanced Lithium Batteries
Je, M., Han, D.-Y., Ryu, J., & Park, S. (2023) · Accounts of Chemical Research · doi:10.1021/acs.accounts.3c00308 · Cited by 175
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Metadata
- Authors
- Park, S.-H., King, P. J., Tian, R., Boland, C. S., Coelho, J., Zhang, C., McBean, P., McEvoy, N., Kremer, M. P., Daly, D., Coleman, J. N., & Nicolosi, V.
- Venue
- Nature Energy
- Published
- 2019-06-17
- Volume
- 4
- Issue
- 7
- Pages
- 560-567
- ISSN
- 2058-7546 (ISSN-L)
- OpenAlex
- W2950438942
- Cited by
- 477
- References
- 27
- FWCI
- 17.27
- Type
- journal article
- Language
- en
- Open access
- green
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