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240816s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202409272
|2 doi
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|a pubmed25n1253.xml
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|a (DE-627)NLM376354984
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|a (NLM)39148170
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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 Cui, Zehao
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Enabling Stable Operation of Lithium-Ion Batteries under Fast-Operating Conditions by Tuning the Electrolyte Chemistry
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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 10.10.2024
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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 Inferior fast-charging and low-temperature performances remain a hurdle for lithium-ion batteries. Overcoming this hurdle is extremely challenging primarily due to the low conductivity of commercial ethylene carbonate (EC)-based electrolytes and the formation of undesirable solid electrolyte interphases with poor Li+-ion diffusion kinetics. Here, a series of EC-free fast-charging electrolytes (FCEs) by incorporating a fluorinated ester, methyl trifluoroacetate (MTFA), as a special cosolvent into a practically viable LiPF6-dimethyl carbonate-fluoroethylene carbonate system, is reported. With a solvent-dominated solvation structure, MTFA facilitates the formation of thin, yet robust, interphases on both the cathode and anode. Commercial 1 Ah graphite|LiNi0.8Mn0.1Co0.1O2 pouch cells filled with the FCE exhibit ≈80% capacity retention over 3000 cycles at 3 C and 4 C (15 min) charging rates in the full range of 0-100% state-of-charge. Moreover, even at a low operating temperature of -20 °C, the 1 Ah cell retains a high capacity of 0.65 Ah at a 2 C discharge rate and displays virtually no capacity fade on cycling at a C/5 rate. The work highlights the power of electrolyte design in achieving extra-fast-charging and low-temperature performances
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|a Journal Article
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|a electrode–electrolyte interphases
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4 |
|a electrolyte
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| 650 |
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|a fast charging
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|a fluorinated ester
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| 650 |
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4 |
|a lithium‐ion batteries
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1 |
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|a Liu, Chen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Manthiram, Arumugam
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 41 vom: 16. Okt., Seite e2409272
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:41
|g day:16
|g month:10
|g pages:e2409272
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| 856 |
4 |
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|u http://dx.doi.org/10.1002/adma.202409272
|3 Volltext
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