Onion-like carbon microspheres as long-life anodes materials for Na-ion batteries

Onion-like carbon microspheres as long-life anodes materials for Na-ion batteries Room-temperature Na-ion batteries have been widely used as promising energy storage systems for large-scale storage due to the nature abundance and low cost of Na. However, the search for an anode with appropriate Na storage and high structural stability still remains challenging. In this work, the carbon microsphere films-coated Ni foam is prepared by a simple chemical vapor deposition method and is used as a novel anode for the long-lifespan Na-ion batteries. These carbon microspheres possess special onion-like structures that enhance the Na-ions intercalation and exhibit excellent Na storage properties. In addition, directly coating the carbon microsphere films on Ni foam current collectors without binders and conductive additives results in an integrated electrode structure, which avoids the undesirable interfaces and reduces the packaging volume. Compared to the common used hard carbon anode with long discharge plateau and short lifespan, this integrated electrode exhibits a slope discharge profile with higher security and demonstrates a long lifespan of 700 cycles with a high capacity retention of 83%. Furthermore, the storage mechanism of sodium ion is also investigated in detail by ex situ Raman, X-ray diffraction and nuclear magnetic resonance techniques in this study. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science Springer Journals

Onion-like carbon microspheres as long-life anodes materials for Na-ion batteries

Loading next page...
 
/lp/springer_journal/onion-like-carbon-microspheres-as-long-life-anodes-materials-for-na-uiYbxkgle0
Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Materials Science; Materials Science, general; Characterization and Evaluation of Materials; Polymer Sciences; Continuum Mechanics and Mechanics of Materials; Crystallography and Scattering Methods; Classical Mechanics
ISSN
0022-2461
eISSN
1573-4803
D.O.I.
10.1007/s10853-018-2515-x
Publisher site
See Article on Publisher Site

Abstract

Room-temperature Na-ion batteries have been widely used as promising energy storage systems for large-scale storage due to the nature abundance and low cost of Na. However, the search for an anode with appropriate Na storage and high structural stability still remains challenging. In this work, the carbon microsphere films-coated Ni foam is prepared by a simple chemical vapor deposition method and is used as a novel anode for the long-lifespan Na-ion batteries. These carbon microspheres possess special onion-like structures that enhance the Na-ions intercalation and exhibit excellent Na storage properties. In addition, directly coating the carbon microsphere films on Ni foam current collectors without binders and conductive additives results in an integrated electrode structure, which avoids the undesirable interfaces and reduces the packaging volume. Compared to the common used hard carbon anode with long discharge plateau and short lifespan, this integrated electrode exhibits a slope discharge profile with higher security and demonstrates a long lifespan of 700 cycles with a high capacity retention of 83%. Furthermore, the storage mechanism of sodium ion is also investigated in detail by ex situ Raman, X-ray diffraction and nuclear magnetic resonance techniques in this study.

Journal

Journal of Materials ScienceSpringer Journals

Published: Jun 6, 2018

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off