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Crystal Structures and Electrode Performance of Alpha-NaFeO2 for Rechargeable Sodium Batteries
Open accessAbstract
Single phase, well-crystallized O3-type NaFeO2 (alpha NaFeO2) is prepared by a solid-state method. Electrode performance of O3-type NaFeO2 is examined as positive electrode materials for rechargeable sodium batteries. O3-type NaFeO2 can deliver 80–100 mAh g−1 of reversible capacity with a nearly flat voltage profile at approximately 3.3 V vs. Na metal. The electrode performance is significantly deteriorated by oxidation beyond x > 0.5 in Na1−xFeO2. X-ray diffraction study reveals that loss of electrode reversibility originates from irreversible structural change, possibly accompanied by iron ion migration in layered host structures. The sodium ion insertion into the host structures would be disturbed by the irreversible structural change when charged beyond x > 0.5 in Na1−xFeO2. Acceptable cyclability is, therefore, achieved for O3-type NaFeO2 as the positive electrode materials in the limited composition of x = 0–0.45 in Na1−xFeO2.
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Shannon, R. D. (1976) · Acta Crystallographica Section A · doi:10.1107/s0567739476001551 · Cited by 66,145
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Sodium‐Ion Battery Materials and Electrochemical Properties Reviewed
Chayambuka, K., Mulder, G., Danilov, D. L., & Notten, P. H. L. (2018) · Advanced Energy Materials · doi:10.1002/aenm.201800079 · Cited by 733
Compatibility issues between electrodes and electrolytes in solid-state batteries
Tian, Y., Shi, T., Richards, W. D., Li, J., Kim, J. C., Bo, S.-H., & Ceder, G. (2017) · Energy & Environmental Science · doi:10.1039/c7ee00534b · Cited by 396
Sun, Y., Guo, S., & Zhou, H. (2019) · Energy & Environmental Science · doi:10.1039/c8ee01006d · Cited by 322
Metadata
- Authors
- YABUUCHI, N., YOSHIDA, H., & KOMABA, S.
- Venue
- Electrochemistry
- Publisher
- The Electrochemical Society of Japan
- Published
- 2012
- Volume
- 80
- Issue
- 10
- Pages
- 716-719
- ISSN
- 1344-3542 (ISSN-L)
- 2186-2451
- OpenAlex
- W2323906701
- Cited by
- 411
- References
- 1
- FWCI
- 14.65
- Type
- journal article
- Language
- en
- Open access
- bronze
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- YABUUCHI, N., YOSHIDA, H., & KOMABA, S. (2012). Crystal Structures and Electrode Performance of Alpha-NaFeO2 for Rechargeable Sodium Batteries. Electrochemistry. https://doi.org/10.5796/electrochemistry.80.716
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