Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/143432
Title: Superior wide-temperature lithium storage in a porous cobalt vanadate
Authors: Chen, Haoliang
Yang, Dan
Zhuang, Xueye
Chen, Dong
Liu, Weiling
Zhang, Qi
Hng, Huey Hoon
Rui, Xianhong
Yan, Qingyu
Huang, Shaoming
Keywords: Engineering::Materials::Energy materials
Engineering::Materials::Nanostructured materials
Issue Date: 2020
Source: Chen, H., Yang, D., Zhuang, X., Chen, D., Liu, W., Zhang, Q., ... Huang, S. (2020). Superior wide-temperature lithium storage in a porous cobalt vanadate. Nano Research, 13(7), 1867-1874. doi:10.1007/s12274-019-2547-9
Project: MOE AcRF Tier 2 under Grant Nos. 2018-T2-1-010
MOE AcRF Tier 2 under Grant Nos. 2017-T2-2-069
National Research Foundation of Singapore (NRF) Investigatorship, award Number NRF2016NRF-NRFI001-22
Journal: Nano Research
Abstract: Lithium ion batteries (LIBs) that can be operated under extended temperature range hold significant application potentials. Here in this work, we successfully synthesized Co2V2O7 electrode with rich porosity from a facile hydrothermal and combustion process. When applied as anode for LIBs, the electrode displayed excellent stability and rate performance in a wide range of temperatures. Remarkably, a stable capacity of 206 mAh·g−1 was retained after cycling at a high current density of 10 A·g−1 for 6,000 cycles at room temperature (25 °C). And even when tested under extreme conditions, i.e., −20 and 60 °C, the battery still maintained its remarkable stability and rate capability. For example, at −20 °C, a capacity of 633 mAh·g−1 was retained after 50 cycles at 0.1 Ag−1; and even after cycling at 60 °C at 10 A·g−1 for 1,000 cycles, a reversible capacity of 885 mAh·g−1 can be achieved. We believe the development of such electrode material will facilitate progress of the next-generation LIBs with wide operating windows. [Figure not available: see fulltext.].
URI: https://hdl.handle.net/10356/143432
ISSN: 1998-0124
DOI: 10.1007/s12274-019-2547-9
Rights: @ 2020 Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature. All rights reserved. This paper was published in Nano Research and is made available with permission of Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature.
Fulltext Permission: embargo_20210731
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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