The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Synthesis of Ultrathin Si Nanosheets from Natural Clays for Lithium-Ion Battery Anodes
Abstract
Two-dimensional Si nanosheets have been studied as a promising candidate for lithium-ion battery anode materials. However, Si nanosheets reported so far showed poor cycling performances and required further improvements. In this work, we utilize inexpensive natural clays for preparing high quality Si nanosheets via a one-step simultaneous molten salt-induced exfoliation and chemical reduction process. This approach produces high purity mesoporous Si nanosheets in high yield. As a control experiment, two-step process (pre-exfoliated silicate sheets and subsequent chemical reduction) cannot sustain their original two-dimensional structure. In contrast, one-step method results in a production of 5 nm-thick highly porous Si nanosheets. Carbon-coated Si nanosheet anodes exhibit a high reversible capacity of 865 mAh g(-1) at 1.0 A g(-1) with an outstanding capacity retention of 92.3% after 500 cycles. It also delivers high rate capability, corresponding to a capacity of 60% at 20 A g(-1) compared to that of 2.0 A g(-1). Furthermore, the Si nanosheet electrodes show volume expansion of only 42% after 200 cycles.
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Cites
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Cited by
Toward Practical High-Energy and High-Power Lithium Battery Anodes: Present and Future
Wang, C., Yang, C., & Zheng, Z. (2022) · Advanced Science · doi:10.1002/advs.202105213 · Cited by 337
Ionically Conductive Self‐Healing Binder for Low Cost Si Microparticles Anodes in Li‐Ion Batteries
Munaoka, T., Yan, X., Lopez, J., To, J. W. F., Park, J., Tok, J. B. ‐., Cui, Y., & Bao, Z. (2018) · Advanced Energy Materials · doi:10.1002/aenm.201703138 · Cited by 322
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
Self-citation
Metadata
- Authors
- Ryu, J., Hong, D., Choi, S., & Park, S.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-01-26
- Volume
- 10
- Issue
- 2
- Pages
- 2843-2851
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2262646201
- Cited by
- 334
- References
- 24
- FWCI
- 20.43
- Type
- journal article
- Language
- en
- Open access
- closed
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