Issue 39, 2023

Microwave-plasma induced one-step synthesis of Ni(PO3)2 nanosphere-loaded bio-waste derived N, P co-doped carbon for an asymmetric supercapacitor with prolonged life

Abstract

Despite significant advancements, supercapacitors are still struggling to showcase their successful commercial presence because they suffer either from low energy storage performances due to sluggish reaction kinetics or use complex and less affordable manufacturing processes. Therefore, here, we introduce a controlled microwave-plasma induced single-step process to produce a nitrogen (N) and phosphorus (P) co-doped sheet-like multilayer graphitic carbon (NPGC) coupled with an ultrasmall (average particle size of ∼6.2 nm) nickel phosphate (NiP2O6) nanosphere (NiPO) based composite (NPGC–NiPO) electrode with optimized compositions which exhibits a remarkable capacitance (417 F g−1 and 300.6 mF cm−2 at 1 A g−1) with ultralong cycle life (93% capacitance retained even after 10 000 cycles at 5 A g−1). Moreover, the fabricated all-solid-state asymmetric supercapacitor (ASC) of the NPGC–NiPO composite and NPGC exhibits a prolonged cycle life (96% capacitance retained even after 10 000 cycles at 7.6 A g−1) with high capacitance values (48.1 F g−1 and 383.3 mF cm−2 at 0.6 A g−1) while operating within 1.6 V. This NPGC–NiPO composite is the first of its kind and easy to manufacture through a one-step, quick and affordable microwave process which can be further extended for developing different composites from different bio-wastes and transition metal precursors for various energy storage applications.

Graphical abstract: Microwave-plasma induced one-step synthesis of Ni(PO3)2 nanosphere-loaded bio-waste derived N, P co-doped carbon for an asymmetric supercapacitor with prolonged life

  • This article is part of the themed collection: #MyFirstJMCC

Supplementary files

Article information

Article type
Paper
Submitted
15 јун. 2023
Accepted
25 авг. 2023
First published
29 авг. 2023

J. Mater. Chem. C, 2023,11, 13503-13517

Microwave-plasma induced one-step synthesis of Ni(PO3)2 nanosphere-loaded bio-waste derived N, P co-doped carbon for an asymmetric supercapacitor with prolonged life

N. Gupta and P. Bhattacharya, J. Mater. Chem. C, 2023, 11, 13503 DOI: 10.1039/D3TC02074F

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements