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240307s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202401008
|2 doi
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|a pubmed24n1439.xml
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|a (DE-627)NLM369365607
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|a (NLM)38446734
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Yang, Huize
|e verfasserin
|4 aut
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|a Weak Electrostatic Force on K+ in Gel Polymer Electrolyte Realizes High Ion Transference Number for Quasi Solid-State Potassium Ion 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 13.06.2024
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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 Quasi-solid-state potassium-ion batteries (SSPIBs) are of great potential for commercial use due to the abundant reserves and cost-effectiveness of resources, as well as high safety. Gel polymer electrolytes (GPEs) with high ionic conductivity and fast interfacial charge transport are necessary for SSPIBs. Here, the weak electrostatic force between K+ and electronegative functional groups in the ethoxylated trimethylolpropane triacrylate (ETPTA) polymer chains, which can promote fast migration of free K+, is revealed. To further enhance the interfacial reaction kinetics, a multilayered GPE by in situ growth of poly(vinylidenefluoride-co-hexafluoropropylene) (PVDF-HFP) on ETPTA (PVDF-HFP|ETPTA|PVDF-HFP) is constructed to improve the interface contact and provide sufficient K+ concentration in PVDF-HFP. A high ion transference number (0.92) and a superior ionic conductivity (5.15 × 10-3 S cm-1) are achieved. Consequently, the SSPIBs with both intercalation-type (PB) and conversion-type (PTCDA) cathodes show the best battery performance among all reported SSPIBs of the same cathode. These findings demonstrate that potassium-ion batteries have the potential to surpass Li/Na ion batteries in solid-state systems
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|a Journal Article
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|a electrode/electrolyte interface
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|a in situ multilayered gel polymer electrolyte
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|a ion transference number
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|a quasi solid‐state potassium‐ion batteries
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|a weak electrostatic force
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|a Wang, Wei
|e verfasserin
|4 aut
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|a Huang, Zheng
|e verfasserin
|4 aut
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|a Wang, Zhe
|e verfasserin
|4 aut
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1 |
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|a Hu, Liwen
|e verfasserin
|4 aut
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|a Wang, Mingyong
|e verfasserin
|4 aut
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|a Yang, Shufeng
|e verfasserin
|4 aut
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| 700 |
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|a Jiao, Shuqiang
|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), 24 vom: 08. Juni, Seite e2401008
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:24
|g day:08
|g month:06
|g pages:e2401008
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|u http://dx.doi.org/10.1002/adma.202401008
|3 Volltext
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