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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202209980
|2 doi
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|a pubmed24n1174.xml
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|a (DE-627)NLM352271736
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|a (NLM)36716772
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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 |
1 |
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|a Zhong, Xiongwei
|e verfasserin
|4 aut
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| 245 |
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|a Flexible Zinc-Air Batteries with Ampere-Hour Capacities and Wide-Temperature Adaptabilities
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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
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|2 rdacarrier
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|a Date Completed 29.03.2023
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|a Date Revised 29.03.2023
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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 Flexible Zn-air batteries (FZABs) have significant potentials as efficient energy storage devices for wearable electronics because of their safeties and high energy-to-cost ratios. However, their application is limited by their short cycle lives, low discharge capacities per cycle, and high charge/discharge polarizations. Accordingly, herein, a poly(sodium acrylate)-polyvinyl alcohol (PANa-PVA)-ionic liquid (IL) hydrogel (PANa-PVA-IL) is prepared using a hygroscopic IL, 1-ethyl-3-methylimidazolium chloride, as an additive for twin-chain PANa-PVA. PANa-PVA-IL exhibits a high conductivity of 306.9 mS cm-1 and a water uptake of 2515 wt% at room temperature. Moreover, a low-cost bifunctional catalyst, namely, Co9 S8 nanoparticles anchored on N- and S-co-doped activated carbon black pearls 2000 (Co9 S8 -NSABP), is synthesized, which demonstrates a low O2 reversibility potential gap of 0.629 V. FZABs based on PANa-PVA-IL and Co9 S8 -NSABP demonstrate high discharge capacities of 1.67 mAh cm-2 per cycle and long cycle lives of 330 h. Large-scale flexible rechargeable Zn-air pouch cells exhibit total capacities of 1.03 Ah and energy densities of 246 Wh kgcell -1 . This study provides new information about hydrogels with high ionic conductivities and water uptakes and should facilitate the application of FZABs in wearable electronics
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|a Journal Article
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|a broad temperature range
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|a flexible zinc-air batteries
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|a hydrogels
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|a ionic liquids
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|a wearable electronics
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|a Zheng, Zhiyang
|e verfasserin
|4 aut
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|a Xu, Jiahe
|e verfasserin
|4 aut
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|a Xiao, Xiao
|e verfasserin
|4 aut
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|a Sun, Chongbo
|e verfasserin
|4 aut
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|a Zhang, Mengtian
|e verfasserin
|4 aut
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|a Ma, Jiabin
|e verfasserin
|4 aut
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|a Xu, Baomin
|e verfasserin
|4 aut
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|a Yu, Kuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xuan
|e verfasserin
|4 aut
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| 700 |
1 |
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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 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 13 vom: 04. März, Seite e2209980
|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:13
|g day:04
|g month:03
|g pages:e2209980
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|u http://dx.doi.org/10.1002/adma.202209980
|3 Volltext
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