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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202005344
|2 doi
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|a pubmed24n1050.xml
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|a (DE-627)NLM315258977
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|a (NLM)32954557
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Sun, Shuo
|e verfasserin
|4 aut
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| 245 |
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|a Synergistic Interface-Assisted Electrode-Electrolyte Coupling Toward Advanced Charge Storage
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|c 2020
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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
|b cr
|2 rdacarrier
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|a Date Revised 26.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a Owing to the limited charge storage capability of transitional metal oxides in aqueous electrolytes, the use of redox electrolytes (RE) represents a promising strategy to further increase the energy density of aqueous batteries or pseudocapacitors. The usual coupling of an electrode and an RE possesses weak electrode/RE interaction and weak adsorption of redox moieties on the electrode, resulting in a low capacity contribution and fast self-discharge. In this work, Fe(CN)6 4- groups are grafted on the surface of Co3 O4 electrode via formation of CoN bonds, creating a synergistic interface between the electrode and the RE. With such an interface, the coupled Co3 O4 -RE system exhibits greatly enhanced charge storage from both Co3 O4 and RE, delivering a large reversible capacity of ≈1000 mC cm-2 together with greatly reduced self-discharge. The significantly improved electrochemical activity of Co3 O4 can be attributed to the tuned work function via charge injection from Fe(CN)6 4- , while the greatly enhanced adsorption of K3 Fe(CN)6 molecules is achieved by the interface induced dipole-dipole interaction on the liquid side. Furthermore, this enhanced electrode-electrolyte coupling is also applicable in the NiO-RE system, demonstrating that the synergistic interface design can be a general strategy to integrate electrode and electrolyte for high-performance energy storage devices
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|a Journal Article
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|a charge storage
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|a coupling
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|a dipole-dipole
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|a interface
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|a self-discharge
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1 |
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|a Rao, Dewei
|e verfasserin
|4 aut
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1 |
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|a Zhai, Teng
|e verfasserin
|4 aut
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1 |
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|a Liu, Qi
|e verfasserin
|4 aut
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1 |
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|a Huang, Hao
|e verfasserin
|4 aut
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1 |
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|a Liu, Bo
|e verfasserin
|4 aut
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|a Zhang, Hongshen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xue, Liang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xia, Hui
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 43 vom: 26. Okt., Seite e2005344
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:43
|g day:26
|g month:10
|g pages:e2005344
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|u http://dx.doi.org/10.1002/adma.202005344
|3 Volltext
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