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241125s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202410974
|2 doi
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|a pubmed24n1612.xml
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|a (DE-627)NLM380669943
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|a (NLM)39580669
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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 Qu, Zongtao
|e verfasserin
|4 aut
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|a Thermal-Assisted Dry Coating Electrode Unlocking Sustainable and High-Performance 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 24.11.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 Wiley‐VCH GmbH.
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|a Current battery production relies on the use of large amounts of N-methyl-2-pyrrolidnone (NMP) solvent during electrode preparation, which raises serious concerns in material cost, energy consumption, and toxicity, thus demanding the innovation of dry electrodes with excellent performance. However, state-of-the-art dry electrodes show inferior energy densities, particularly under high-areal-capacity and fast charge/discharge conditions required for practical applications. Here dry production of high-energy-density Li- and Mn-rich (LMR) cathodes is shown based on a thermal-assistant approach. The lithium difluoro(oxalate)borate (LiDFOB) and succinonitrile (SN) serve as two key electrode mediators to facilitate Li+ transport, and the mild heating process for melting SN-LiDFOB has significantly improved the distribution of various components in the electrode. These synergistic effects enable dry LMR cathodes with a maximum rate capability of 4 C (12 mA cm-2) and an areal capacity of 11.0 mAh cm-2. The resulting Li metal/LMR full cell exhibits the maximum energy and power densities of 609 Wh kg-1 and 2,183 W kg-1, respectively, based on the total mass of the cathode and anode. These results not only break through the key bottleneck in energy density for dry electrodes but, in a broader context, open a new avenue for green and sustainable battery production
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|a Journal Article
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|a Li metal battery
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|a Li‐ and Mn‐rich cathode
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|a dry coating electrode
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|a electron transport
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|a sufficient Li+
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|a thermal‐assistant distribution
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1 |
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|a Wang, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Chengxiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Geng, Shitao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Qiuchen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Shuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Xiaoju
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ouyang, Zhaofeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Hao
|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 (2024) vom: 24. Nov., Seite e2410974
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g year:2024
|g day:24
|g month:11
|g pages:e2410974
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|u http://dx.doi.org/10.1002/adma.202410974
|3 Volltext
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|a AR
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|j 2024
|b 24
|c 11
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