Synthesis, Crystal Structure, and Electrochemical Properties of Alluaudite Na1.702Fe3(PO4)3 as a Sodium-Ion Battery Cathode

Synthesis, Crystal Structure, and Electrochemical Properties of Alluaudite Na1.702Fe3(PO4)3 as a Sodium-Ion Battery Cathode

Sodium-ion batteries hold promise as an enabling technology for large-scale energy storage that is safer, less expensive, and lower environmentally impactful than their equivalent lithium-ion batteries. Reported herein is the one-pot hydrothermal synthesis, crystal structure, and electrochemical pro...

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Bibliographic Details
Published in:ACS sustainable chemistry & engineering Vol. 5; no. 7; pp. 5766 - 5771
Main Authors: Liu, Dan, Palmore, G. Tayhas R
Format: Journal Article
Language:English
Japanese
Published: American Chemical Society 03-07-2017
Subjects:
Alluaudite
Cathode
Sodium-ion batteries
Electrochemical study
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Summary:Sodium-ion batteries hold promise as an enabling technology for large-scale energy storage that is safer, less expensive, and lower environmentally impactful than their equivalent lithium-ion batteries. Reported herein is the one-pot hydrothermal synthesis, crystal structure, and electrochemical properties of a promising sodium-ion battery cathode material, an alluaudite phase of Na1.702Fe3(PO4)3. After ball milling and carbon coating, this material exhibits a reversible capacity of ∼140 mAh/g with good cycling performance (93% of the initial capacity is retained after 50 cycles) and excellent rate capability. This alluaudite compound and its method of preparation is a promising cathode for large-scale battery applications that are earth-abundant and sustainable.
ISSN:2168-0485
2168-0485
DOI:10.1021/acssuschemeng.7b00371