The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.
An electron-deficient carbon current collector for anode-free Li-metal batteries
Open accessAbstract
The long-term cycling of anode-free Li-metal cells (i.e., cells where the negative electrode is in situ formed by electrodeposition on an electronically conductive matrix of lithium sourced from the positive electrode) using a liquid electrolyte is affected by the formation of an inhomogeneous solid electrolyte interphase (SEI) on the current collector and irregular Li deposition. To circumvent these issues, we report an atomically defective carbon current collector where multivacancy defects induce homogeneous SEI formation on the current collector and uniform Li nucleation and growth to obtain a dense Li morphology. Via simulations and experimental measurements and analyses, we demonstrate the beneficial effect of electron deficiency on the Li hosting behavior of the carbon current collector. Furthermore, we report the results of testing anode-free coin cells comprising a multivacancy defective carbon current collector, a Li x Ni 0.8 Co 0.1 Mn 0.1 -based cathode and a nonaqueous Li-containing electrolyte solution. These cells retain 90% of their initial capacity for over 50 cycles under lean electrolyte conditions.
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Metadata
- Authors
- Kwon, H., Lee, J.-H., Roh, Y., Baek, J., Shin, D. J., Yoon, J. K., Ha, H. J., Kim, J. Y., & Kim, H.-T.
- Venue
- Nature Communications
- Published
- 2021-09-20
- Volume
- 12
- Issue
- 1
- Pages
- 5537-5537
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W3199065526
- Cited by
- 257
- References
- 54
- FWCI
- 11.02
- Type
- journal article
- Language
- en
- Open access
- gold
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- Kwon, H., Lee, J.-H., Roh, Y., Baek, J., Shin, D. J., Yoon, J. K., Ha, H. J., Kim, J. Y., & Kim, H.-T. (2021). An electron-deficient carbon current collector for anode-free Li-metal batteries. Nature Communications. https://doi.org/10.1038/s41467-021-25848-1
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