The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.
Site-Occupation-Tuned Superionic LixScCl3+xHalide Solid Electrolytes for All-Solid-State Batteries
Abstract
The enabling of high energy density of all-solid-state lithium batteries (ASSLBs) requires the development of highly Li + -conductive solid-state electrolytes (SSEs) with good chemical and electrochemical stability. Recently, halide SSEs based on different material design principles have opened new opportunities for ASSLBs. Here, we discovered a series of Li x ScCl 3+ x SSEs ( x = 2.5, 3, 3.5, and 4) based on the cubic close-packed anion sublattice with room-temperature ionic conductivities up to 3 × 10 –3 S cm –1 . Owing to the low eutectic temperature between LiCl and ScCl 3, Li x ScCl 3+ x SSEs can be synthesized by a simple co-melting strategy. Preferred orientation is observed for all the samples. The influence of the value of x in Li x ScCl 3+ x on the structure and Li + diffusivity were systematically explored. With increasing x value, higher Li +, lower vacancy concentration, and less blocking effects from Sc ions are achieved, enabling the ability to tune the Li + migration. The electrochemical performance shows that Li 3 ScCl 6 possesses a wide electrochemical window of 0.9–4.3 V vs Li + /Li, stable electrochemical plating/stripping of Li for over 2500 h, as well as good compatibility with LiCoO 2 . LiCoO 2 /Li 3 ScCl 6 /In ASSLB exhibits a reversible capacity of 104.5 mAh g –1 with good cycle life retention for 160 cycles. The observed changes in the ionic conductivity and tuning of the site occupations provide an additional approach toward the design of better SSEs.
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Cited by
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Metal Halide Superionic Conductors for All-Solid-State Batteries
Liang, J., Li, X., Adair, K. R., & Sun, X. (2021) · Accounts of Chemical Research · doi:10.1021/acs.accounts.0c00762 · Cited by 267
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Metadata
- Authors
- Liang, J., Li, X., Wang, S., Adair, K. R., Li, W., Zhao, Y., Wang, C., Hu, Y., Zhang, L., Zhao, S., Lu, S., Huang, H., Li, R., Mo, Y., & Sun, X.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2020-03-26
- Volume
- 142
- Issue
- 15
- Pages
- 7012-7022
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W3013942423
- Cited by
- 567
- References
- 39
- FWCI
- 19.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liang, J., Li, X., Wang, S., Adair, K. R., Li, W., Zhao, Y., Wang, C., Hu, Y., Zhang, L., Zhao, S., Lu, S., Huang, H., Li, R., Mo, Y., & Sun, X. (2020). Site-Occupation-Tuned Superionic LixScCl3+xHalide Solid Electrolytes for All-Solid-State Batteries. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.0c00134
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