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240203s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202313096
|2 doi
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|a pubmed25n1226.xml
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|a eng
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|a Gu, Fan
|e verfasserin
|4 aut
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|a External Field-Responsive Ternary Non-Noble Metal Oxygen Electrocatalyst for Rechargeable Zinc-Air Batteries
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|c 2024
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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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|2 rdacarrier
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|a Date Revised 09.05.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Despite the increasing effort in advancing oxygen electrocatalysts for zinc-air batteries (ZABs), the performance development gradually reaches a plateau via only ameliorating the electrocatalyst materials. Herein, a new class of external field-responsive electrocatalyst comprising Ni0.5Mn0.5Fe2O4 stably dispersed on N-doped Ketjenblack (Ni0.5Mn0.5Fe2O4/N-KB) is developed via polymer-assisted strategy for practical ZABs. Briefly, the activity indicator ΔE is significantly decreased to 0.618 V upon photothermal assistance, far exceeding most reported electrocatalysts (generally >0.680 V). As a result, the photothermal electrocatalyst possesses comprehensive merits of excellent power density (319 mW cm-2), ultralong lifespan (5163 cycles at 25 mA cm-2), and outstanding rate performance (100 mA cm-2) for liquid ZABs, and superb temperature and deformation adaptability for flexible ZABs. Such improvement is attributed to the photothermal-heating-enabled synergy of promoted electrical conductivity, reactant-molecule motion, active area, and surface reconstruction, as revealed by operando Raman and simulation. The findings open vast possibilities toward more-energy-efficient energy applications
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|a Journal Article
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|a external field‐responsiveness
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|a low‐temperature adaptability
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|a operando Raman
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|a surface reconstruction
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| 650 |
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|a zinc‐air batteries
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|a Guo, Wengai
|e verfasserin
|4 aut
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| 700 |
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|a Yuan, Yifei
|e verfasserin
|4 aut
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|a Deng, Ya-Ping
|e verfasserin
|4 aut
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|a Jin, Huile
|e verfasserin
|4 aut
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|a Wang, Jichang
|e verfasserin
|4 aut
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|a Chen, Zhongwei
|e verfasserin
|4 aut
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|a Pan, Shuang
|e verfasserin
|4 aut
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|a Chen, Yihuang
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Shun
|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 36(2024), 19 vom: 03. Mai, Seite e2313096
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:19
|g day:03
|g month:05
|g pages:e2313096
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|u http://dx.doi.org/10.1002/adma.202313096
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