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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202301952
|2 doi
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|a pubmed24n1185.xml
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|a (DE-627)NLM355718766
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|a (NLM)37067852
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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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|a Zhong, Xiongwei
|e verfasserin
|4 aut
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|a Rechargeable Zinc-Air Batteries with an Ultralarge Discharge Capacity per Cycle and an Ultralong Cycle Life
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|c 2023
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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 27.07.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a A conventional two-electrode rechargeable zinc-air battery (RZAB) has two major problems: 1) opposing requirements for the oxygen reduction (ORR) and oxygen evolution (OER) reactions from the catalyst at the air cathode; and 2) zinc-dendrite formation, hydrogen generation, and zinc corrosion at the zinc anode. To tackle these problems, a three-electrode RZAB (T-RZAB) including a hydrophobic discharge cathode, a hydrophilic charge cathode, and a zinc-free anode is developed. The decoupled cathodes enable fast ORR and OER kinetics, and avoid oxidization of the ORR catalyst. The zinc-free anode using tin-coated copper foam that induces the growth of (002)Zn planes, suppresses hydrogen evolution, and prevents Zn corrosion. As a result, the T-RZABs have a high discharge capacity per cycle of 800 mAh cm-2 , a low voltage gap between the discharge/charge platforms of 0.66 V, and an ultralong cycle life of 5220 h at a current density of 10 mA cm-2 . A large T-RZAB with a discharge capacity of 10 Ah per cycle with no obvious degradation after cycling for 1000 h is developed. Finally, a T-RZAB pack that has an energy density of 151.8 Wh kg-1 and a low cost of 46.7 US dollars kWh-1 is assembled
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|a Journal Article
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|a (002)Zn plane
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|a Zn-free anodes
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|a hydrophilic charge cathodes
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|a hydrophobic discharge cathodes
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|a rechargeable zinc-air batteries
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|a Shao, Yangfan
|e verfasserin
|4 aut
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|a Chen, Biao
|e verfasserin
|4 aut
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|a Li, Chuang
|e verfasserin
|4 aut
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|a Sheng, Jinzhi
|e verfasserin
|4 aut
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|a Xiao, Xiao
|e verfasserin
|4 aut
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|a Xu, Baomin
|e verfasserin
|4 aut
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|a Li, Jia
|e verfasserin
|4 aut
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|a Cheng, Hui-Ming
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Guangmin
|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 35(2023), 30 vom: 17. Juli, Seite e2301952
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:30
|g day:17
|g month:07
|g pages:e2301952
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|u http://dx.doi.org/10.1002/adma.202301952
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