Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 633, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2021.127929
Keywords
layered O3-type; cathode material; sodium-ion batteries; hexagonal shape
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Funding
- DST SERB, New Delhi [EMR/2016/006302]
- Department of Science and Technology (DST), New Delhi, Govt. of India
- University Grants Commission (UGC), New Delhi, Govt. of India
- Ministry of Human Resource Development RUSA-Phase 2.0 grant, Policy (TNMulti Gen), Dept. of Education, Govt. of India [F-24-51/2014U]
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In this research, the O3-NCF compound was successfully synthesized and showed promising potential as a cathode material for sodium-ion batteries, with a high initial reversible capacity.
Sodium-ion batteries (SIBs) are pondered as an auspicious solution for energy storage sector owing to cost effectiveness and plenteous of sodium resources. In this article, the O3-type layered Na9/10Cr1/2Fe1/2O2 (O3-NCF) compound was made by simple solid state reaction. Rietveld refinement revealed that the prepared material possesses R-3 m space group of rhombohedral structure. Hexagonal shaped particle in O3-NCF was exposed from HR-TEM images. The as-prepared O3-NCF provided an initial reversible capacity of 129 mAh g(-1) at 0.1 C, between 2 and 4 V and sustained with 89.30 mAh g(-1) after 100 cycles. Therefore, the O3-NCF was as a favorable cathode material for SIBs.
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