Tags

Type your tag names separated by a space and hit enter

Core-shell ZnCo2O4@TiO2 nanowall arrays as anodes for lithium ion batteries.
Nanotechnology. 2017 Apr 21; 28(16):165403.N

Abstract

In this paper ZnCo2O4 nanowall arrays (NWAs) were first obtained through self-assembly followed by calcination. Then atomic layer deposition was used to fabricate core-shell ZnCo2O4@TiO2 NWAs as anode materials for lithium ion batteries (LIBs). The hierarchical NWA nanostructure has fast ion diffusion and electron transport at the electrode/electrolyte interface, while the excellent chemical stability of the TiO2 shell can protect the ZnCo2O4 NWAs from volume expansion during the charge and discharge processes. The core-shell ZnCo2O4@TiO2 core-shell NWAs composite is versatile as an anode material and exhibits enhanced electrochemical performance for LIBs. The initial capacity was 1598 mA h g-1 (Coulombic efficiency reached 84.0%), and the reversible capacity after 90 cycles was 827 mA h g-1 at a current density of 100 mA g-1, showing high capacity and good cycling stability (much better than ZnCo2O4 NWAs). The ZnCo2O4@TiO2 nanocomposite also showed excellent rate capability with a reversible capacity of 532 mA h g-1 even at a current rate of 4500 mA g-1. The encouraging experimental results suggest that the novel core-shell structure NWAs have great potential for practical applications in LIBs.

Authors+Show Affiliations

School of Physics and Electronics, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, People's Republic of China.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28230537

Citation

Shi, Wei, et al. "Core-shell ZnCo2O4@TiO2 Nanowall Arrays as Anodes for Lithium Ion Batteries." Nanotechnology, vol. 28, no. 16, 2017, p. 165403.
Shi W, Zhao H, Lu B. Core-shell ZnCo2O4@TiO2 nanowall arrays as anodes for lithium ion batteries. Nanotechnology. 2017;28(16):165403.
Shi, W., Zhao, H., & Lu, B. (2017). Core-shell ZnCo2O4@TiO2 nanowall arrays as anodes for lithium ion batteries. Nanotechnology, 28(16), 165403. https://doi.org/10.1088/1361-6528/aa6291
Shi W, Zhao H, Lu B. Core-shell ZnCo2O4@TiO2 Nanowall Arrays as Anodes for Lithium Ion Batteries. Nanotechnology. 2017 Apr 21;28(16):165403. PubMed PMID: 28230537.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Core-shell ZnCo2O4@TiO2 nanowall arrays as anodes for lithium ion batteries. AU - Shi,Wei, AU - Zhao,Haitao, AU - Lu,Bingan, Y1 - 2017/02/23/ PY - 2017/2/24/pubmed PY - 2017/2/24/medline PY - 2017/2/24/entrez SP - 165403 EP - 165403 JF - Nanotechnology JO - Nanotechnology VL - 28 IS - 16 N2 - In this paper ZnCo2O4 nanowall arrays (NWAs) were first obtained through self-assembly followed by calcination. Then atomic layer deposition was used to fabricate core-shell ZnCo2O4@TiO2 NWAs as anode materials for lithium ion batteries (LIBs). The hierarchical NWA nanostructure has fast ion diffusion and electron transport at the electrode/electrolyte interface, while the excellent chemical stability of the TiO2 shell can protect the ZnCo2O4 NWAs from volume expansion during the charge and discharge processes. The core-shell ZnCo2O4@TiO2 core-shell NWAs composite is versatile as an anode material and exhibits enhanced electrochemical performance for LIBs. The initial capacity was 1598 mA h g-1 (Coulombic efficiency reached 84.0%), and the reversible capacity after 90 cycles was 827 mA h g-1 at a current density of 100 mA g-1, showing high capacity and good cycling stability (much better than ZnCo2O4 NWAs). The ZnCo2O4@TiO2 nanocomposite also showed excellent rate capability with a reversible capacity of 532 mA h g-1 even at a current rate of 4500 mA g-1. The encouraging experimental results suggest that the novel core-shell structure NWAs have great potential for practical applications in LIBs. SN - 1361-6528 UR - https://www.unboundmedicine.com/medline/citation/28230537/Core_shell_ZnCo2O4@TiO2_nanowall_arrays_as_anodes_for_lithium_ion_batteries_ L2 - https://doi.org/10.1088/1361-6528/aa6291 DB - PRIME DP - Unbound Medicine ER -
Try the Free App:
Prime PubMed app for iOS iPhone iPad
Prime PubMed app for Android
Prime PubMed is provided
free to individuals by:
Unbound Medicine.