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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201904690
|2 doi
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|a pubmed24n1005.xml
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|a (DE-627)NLM301738998
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|a (NLM)31566278
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Chenhui
|e verfasserin
|4 aut
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| 245 |
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|a A TiN Nanorod Array 3D Hierarchical Composite Electrode for Ultrahigh-Power-Density Bromine-Based Flow Batteries
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 13.11.2019
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Bromine-based flow batteries are well suited for stationary energy storage due to attractive features of high energy density and low cost. However, the bromine-based flow battery suffers from low power density and large materials consumption due to the relatively high polarization of the Br2 /Br- couple on the electrodes. Herein, a self-supporting 3D hierarchical composite electrode based on a TiN nanorod array is designed to improve the activity of the Br2 /Br- couple and increase the power density of the bromine-based flow battery. In this design, a carbon felt provides a composite electrode with a 3D electron conductive framework to guarantee high electronic conductivity, while the TiN nanorods possess excellent catalytic activity for the Br2 /Br- electrochemical reaction to reduce the electrochemical polarization. Moreover, the 3D micro-nano hierarchical nanorod-array alignment structure contributes to a high electrolyte penetration and a high ion-transfer rate to reduce diffusion polarization. As a result, a zinc-bromine flow battery with the designed composite electrode can be operated at a current density of up to 160 mA cm-2 , which is the highest current density ever reported. These results exhibit a promising strategy to fabricate electrodes for ultrahigh-power-density bromine-based flow batteries and accelerate the development of bromine-based flow batteries
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|a Journal Article
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|a 3D conductive frameworks
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|a TiN nanorod arrays
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|a bromine-based flow batteries
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|a energy storage
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| 700 |
1 |
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|a Lu, Wenjing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lai, Qinzhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Pengcheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Huamin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xianfeng
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 46 vom: 01. Nov., Seite e1904690
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:31
|g year:2019
|g number:46
|g day:01
|g month:11
|g pages:e1904690
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|u http://dx.doi.org/10.1002/adma.201904690
|3 Volltext
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