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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202203249
|2 doi
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|a pubmed24n1142.xml
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|a (DE-627)NLM342876031
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|a (NLM)35766725
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Chuai, Mingyan
|e verfasserin
|4 aut
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| 245 |
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|a Theory-Driven Design of a Cationic Accelerator for High-Performance Electrolytic MnO2 -Zn Batteries
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 18.08.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Aqueous electrolytic MnO2 -Zn batteries are considered as one of the most promising energy-storage devices for their cost effectiveness, high output voltage, and safety, but their electrochemical performance is limited by the sluggish kinetics of cathodic MnO2 /Mn2+ and anodic Zn/Zn2+ reactions. To overcome this critical challenge, herein, a cationic accelerator (CA) strategy is proposed based on the prediction of first-principles calculations. Poly(vinylpyrrolidone) is utilized as a model to testify the rational design of the CA strategy. It manifests that the CA effectively facilitates rapid cations migration in electrolyte and adequate charge transfer at electrode-electrolyte interface, benefiting the deposition/dissolution processes of both Mn2+ and Zn2+ cations to simultaneously improve kinetics of cathodic MnO2 /Mn2+ and anodic Zn/Zn2+ reactions. The resulting MnO2 -Zn battery regulated by CA exhibits large reversible capacities of 455 mAh g-1 and 3.64 mAh cm-2 at 20 C, as well as a long lifespan of 2000 cycles with energy density retention of 90%, achieving one of the best overall performances in the electrolytic MnO2 -Zn batteries. This comprehensive work integrating theoretical prediction with experimental studies provides opportunities to the development of high-performance energy-storage devices
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|a Journal Article
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|a cation migration
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4 |
|a cationic accelerators
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|a deposition/dissolution chemistry
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|a electrolytic MnO2-Zn batteries
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|a large-scale energy storage
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|a Yang, Jinlong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tan, Rui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Zaichun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Jifei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Mingming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Xinhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Na
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Wei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 33 vom: 26. Aug., Seite e2203249
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:33
|g day:26
|g month:08
|g pages:e2203249
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|u http://dx.doi.org/10.1002/adma.202203249
|3 Volltext
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