Hierarchical NaFePO4 nanostructures in combination with an optimized carbon-based electrode to achieve advanced aqueous Na-ion supercapacitors

Author:

Biswas Sudipta1ORCID,Mandal Debabrata2ORCID,Singh Trilok3ORCID,Chandra Amreesh124ORCID

Affiliation:

1. Department of Physics, Indian Institute of Technology Kharagpur, Kharagpur-721302, India

2. School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur-721302, India

3. Functional Materials and Device Laboratory, School of Energy Science & Engineering, Indian Institute of Technology Kharagpur, Kharagpur-721302, India

4. School of Energy Science & Engineering, Indian Institute of Technology Kharagpur, Kharagpur-721302, India

Abstract

An aqueous supercapacitor with hollow NaFePO4 microsphere structures combined with rGO shows as high as a 1.7 V working potential window and can deliver a maximum energy density of 25.29 W h kg−1 capacity retention.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

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