The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Homogeneous and Fast Ion Conduction of PEO‐Based Solid‐State Electrolyte at Low Temperature
Abstract
Poly(ethylene oxide) (PEO)‐based electrolytes are promising for all‐solid‐state batteries but can only be used above room temperature due to the high‐degree crystallization of PEO and the intimate affinity between ethylene oxide (EO) chains and lithium ions. Here, a homogeneous‐inspired design of PEO‐based solid‐state electrolytes with fast ion conduction is proposed. The homogeneous PEO‐based solid‐state electrolyte with an adjusted succinonitrile (SN) and PEO molar ratio simultaneously suppresses the PEO crystallization and mitigates the affinity between EO and Li+. By adjusting the molar ratio of SN to PEO (SN:EO ≈ 1:4), channels providing fast Li+ transport are formed within the homogeneous solid‐state polymer electrolyte, which increases the ionic conductivity by 100 times and enables their application at a low temperature (0–25 °C), together with the uniform lithium deposition. This modified PEO‐based electrolyte also enables a LiFePO 4 cathode to achieve a superior Coulombic efficiency (>99%) and have a long life (>750 cycles) at room temperature. Moreover, even at a low temperature of 0 °C, 82% of its room‐temperature capacity remains, demonstrating the great potential of this electrolyte for practical solid‐state lithium battery applications.
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Cites
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Polymer Electrolytes for Lithium-Based Batteries: Advances and Prospects
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Cited by
Progress in Solid Polymer Electrolytes for Lithium‐Ion Batteries and Beyond
An, Y., Han, X., Liu, Y., Azhar, A., Na, J., Nanjundan, A. K., Wang, S., Yu, J., & Yamauchi, Y. (2022) · Small · doi:10.1002/smll.202103617 · Cited by 363
Mechanical Properties of Alginate Hydrogels Cross-Linked with Multivalent Cations
Malektaj, H., Drozdov, A. D., & deClaville Christiansen, J. (2023) · Polymers · doi:10.3390/polym15143012 · Cited by 284
Lin, W., Zhu, M., Fan, Y., Wang, H., Tao, G., Ding, M., Liu, N., Yang, H., Wu, J., Fang, J., et al. (2022) · Journal of Alloys and Compounds · doi:10.1016/j.jallcom.2022.164163 · Cited by 64
Metadata
- Authors
- Xu, S., Sun, Z., Sun, C., Li, F., Chen, K., Zhang, Z., Hou, G., Cheng, H., & Li, F.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2020-09-16
- Volume
- 30
- Issue
- 51
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W3087196714
- Cited by
- 549
- References
- 35
- FWCI
- 19.24
- Type
- journal article
- Language
- en
- Open access
- closed
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