Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2017 Mar 21;7:45048. doi: 10.1038/srep45048

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2017, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

PMC Copyright notice

(1) Galvanostatic charge-discharge cycles plotted against time(s) by use of an Ag/AgCl reference electrode, where the electrode consisting of graphite mixture as a working electrode and the electrode containing 30% Fe₂O₃ as a counter electrode; (a) counter electrode, (b) working electrode, and (c) cell potential. (2) Charge-discharge cycles for various symmetric and asymmetric capacitors containing Fe₂O₃, Fe₃O₄, V₂O₃, V₂O₅ and MnO₂. The capacitors are expressed as positive electrode/negative electrode. (a) GA/Fe₂ O₃ (30%), (b) Fe₂O₃ (30%)/Fe₂O₃ (30%). (c) GA/Fe₃O₄ (30%), (d) Fe₃O₄ (30%)/Fe₃O₄(30%), (e) GA/V₂O₃ (30%), (f) GA/V₂O₅ (30%), (g) MnO₂(30%)/GA(20%AC), (h) MnO₂(30%)/Fe₃O₄(30%).