Jump to main content
Jump to site search

Issue 48, 2016
Previous Article Next Article

Standout electrochemical performance of SnO2 and Sn/SnO2 nanoparticles embedded in a KOH-activated carbonized porous aromatic framework (PAF-1) matrix as the anode for lithium-ion batteries

Author affiliations

Abstract

Attributed to their high specific capacity and safe working potential versus Li/Li+ as compared to commercial graphite anodes, tin and tin oxide have received widespread attention as promising anode materials for Li-ion batteries, whereas they also suffer from some drawbacks, such as large volume expansion and poor electrical conductivity during the lithiation/delithiation process. To address these issues, a series of composites with ultrasmall Sn and SnO2 nanoparticles (6–15 nm) embedded in a KOH-activated carbonized porous aromatic framework (PAF-1) matrix as anode materials were prepared by adjusting the Sn2+ content and carbonization temperature. Attributed to its high microporosity and electrical conductivity, the KOH-activated carbonized PAF-1 is a potential host matrix to cogently solve the problems of pulverization, metal aggregation and loss of electrical contact with the electrode over repeated cycling. The synergy between SnOx and the carbon matrix is manifested by the outstanding capacity and stability of the material, which owes its standout features to the SnOx nanoparticles located inside the micropores of the carbon matrix. Of all the materials, SnOx@K-PAF-1-750-25 prepared by optimizing the contents and preparation conditions showed excellent stability and cycling performance, retaining a capacity of 608 mA h g−1 over 400 charge/discharge cycles even at a high current density of 400 mA g−1.

Graphical abstract: Standout electrochemical performance of SnO2 and Sn/SnO2 nanoparticles embedded in a KOH-activated carbonized porous aromatic framework (PAF-1) matrix as the anode for lithium-ion batteries

Back to tab navigation

Supplementary files

Article information


Submitted
30 Oct 2016
Accepted
07 Nov 2016
First published
08 Nov 2016

J. Mater. Chem. A, 2016,4, 18822-18831
Article type
Paper

Standout electrochemical performance of SnO2 and Sn/SnO2 nanoparticles embedded in a KOH-activated carbonized porous aromatic framework (PAF-1) matrix as the anode for lithium-ion batteries

Y. Dong, S. Das, L. Zhu, T. Ben and S. Qiu, J. Mater. Chem. A, 2016, 4, 18822 DOI: 10.1039/C6TA09384A

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

Search articles by author

Spotlight

Advertisements