A novel solid-state synthesis route for high voltage Na3V2(PO4)2F3−2yO2y cathode materials for Na-ion batteries

Author:

Akhtar Mainul12,Arraghraghi Hafssa12,Kunz Sylvia12,Wang Qingsong12ORCID,Bianchini Matteo12ORCID

Affiliation:

1. Department of Chemistry, Universität Bayreuth, Universitätsstrasse 30, 95447 Bayreuth, Germany

2. Bavarian Center for Battery Technology (BayBatt), Universität Bayreuth, Weiherstrasse 26, 95448 Bayreuth, Germany

Abstract

A novel solid-state synthesis route is used to synthesize phase-pure NVPF3−2yO2y compounds using (VO)2P2O7 as precursor. The products show promising electrochemical properties, in particular NVPF2O, thanks to a fully solid solution reaction mechanism.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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