Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/82496
Title: Partial nitridation-induced electrochemistry enhancement of ternary oxide nanosheets for fiber energy storage device
Authors: Hao, Pin
Tan, Hua
Liu, Zhihe
Chao, Dongliang
Jia, Dedong
Sang, Yuanhua
Liu, Hong
Fan, Hong Jin
Keywords: Fiber-based Power Source
Flexible Energy Storage
DRNTU::Science::Physics
Issue Date: 2018
Source: Tan, H., Liu, Z., Chao, D., Hao, P., Jia, D., Sang, Y., . . . Fan, H. J. (2018). Partial nitridation-induced electrochemistry enhancement of ternary oxide nanosheets for fiber energy storage device. Advanced Energy Materials, 8(21), 1800685-. doi:10.1002/aenm.201800685
Series/Report no.: Advanced Energy Materials
Abstract: Fiber‐based power sources are receiving interest in terms of application in wearable electronic devices. Herein, fiber‐shaped all‐solid‐state asymmetric energy storage devices are fabricated based on a partially nitridized NiCo2O4 hybrid nanostructures on graphite fibers (GFs). The surface nitridation leads to a 3D “pearled‐veil” network structure, in which Ni–Co–N nanospheres are mounted on NiCo2O4 nanosheets' electrode. It is demonstrated that the hybrid materials are more potent than the pure NiCo2O4 in energy storage applications due to a cooperative effect between the constituents. The Ni–Co–N segments augment the pristine oxide nanosheets by enhancing both capacity and rate performance (a specific capacity of 384.75 mAh g−1 at 4 A g−1, and a capacity retention of 86.5% as the current is increased to 20 A g−1). The whole material system has a metallic conductivity that renders high‐rate charge and discharge, and an extremely soft feature, so that it can wrap around arbitrary‐shaped holders. All‐solid‐state asymmetric device is fabricated using Ni–Co–N/NiCo2O4/GFs and carbon nanotubes/GFs as the electrodes. The flexible device delivers outstanding performance compared to most oxide‐based full devices. These structured hybrid materials may find applications in miniaturized foldable energy devices.
URI: https://hdl.handle.net/10356/82496
http://hdl.handle.net/10220/48894
ISSN: 1614-6832
DOI: 10.1002/aenm.201800685
DOI (Related Dataset): 10.21979/N9/EKBRR5
Schools: School of Physical and Mathematical Sciences 
Rights: © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the peer reviewed version of the following article: Tan, H., Liu, Z., Chao, D., Hao, P., Jia, D., Sang, Y., . . . Fan, H. J. (2018). Partial nitridation-induced electrochemistry enhancement of ternary oxide nanosheets for fiber energy storage device. Advanced Energy Materials, 8(21), 1800685-, which has been published in final form at http://dx.doi.org/10.1002/aenm.201800685. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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