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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202307592
|2 doi
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|a pubmed24n1240.xml
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|a (DE-627)NLM364407662
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|a (NLM)37949102
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|a eng
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|a Que, Lanfang
|e verfasserin
|4 aut
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|a Potassium-Based Dual-Ion Batteries Operating at -60 °C Enabled By Co-Intercalation Anode Chemistry
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|c 2023
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 27.12.2023
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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 Battery performance at subzero is restricted by sluggish interfacial kinetics. To resolve this issue, potassium-based dual-ion batteries (K-DIBs) based on the polytriphenylamine (PTPAn) cathode with anion storage chemistry and the hydrogen titanate (HTO) anode with K+ /solvent co-intercalation mechanism are constructed. Both the PTPAn cathode and the HTO anode do not undergo the desolvation process, which can effectively accelerate the interfacial kinetics at subzero. As revealed by theoretical calculations and experimental analysis, the strong K+ /solvent binding energy in the dilute electrolyte, the charge shielding effect of the crystal water, and the uniform SEI layer with high content of the flexible organic species synergically promote HTO to undergo K+ /solvent co-intercalation behavior. The special co-intercalation mechanism and anion storage chemistry enable HTO||PTPAn K-DIBs with superior rate performance and cycle durability, maintaining a capacity retention of 94.1% after 6000 cycles at -40 °C and 91% after 1000 cycles at -60 °C. These results provide a step forward for achieving high-performance energy storage devices at low temperatures
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|a Journal Article
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|a cation/solvent co-intercalation
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|a desolvation process
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|a energy storage mechanism
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|a low-temperature performance
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|a potassium dual-ion battery
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|a Wu, Jihuai
|e verfasserin
|4 aut
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|a Lan, Zhang
|e verfasserin
|4 aut
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|a Xie, Yiming
|e verfasserin
|4 aut
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|a Yu, Fuda
|e verfasserin
|4 aut
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|a Wang, Zhenbo
|e verfasserin
|4 aut
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|a Meng, Jiashen
|e verfasserin
|4 aut
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|a Zhang, Xingcai
|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), 52 vom: 27. Dez., Seite e2307592
|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:52
|g day:27
|g month:12
|g pages:e2307592
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|u http://dx.doi.org/10.1002/adma.202307592
|3 Volltext
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