Home > Publications database > Stabilizing the solid‐electrolyte interphase with polyacrylamide for high‐voltage aqueous lithium‐ion batteries > print |
001 | 894582 | ||
005 | 20240712113122.0 | ||
024 | 7 | _ | |a 10.1002/anie.202107252 |2 doi |
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100 | 1 | _ | |a Li, Jie |0 P:(DE-Juel1)174577 |b 0 |
245 | _ | _ | |a Stabilizing the solid‐electrolyte interphase with polyacrylamide for high‐voltage aqueous lithium‐ion batteries |
260 | _ | _ | |a Weinheim |c 2021 |b Wiley-VCH |
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520 | _ | _ | |a The introduction of “water-in-salt” electrolyte (WiSE) concept opens a new horizon to aqueous electrochemistry that is benefited from the formation of a solid-electrolyte interphase (SEI). However, such SEI still faces multiple challenges, including dissolution, mechanical damaging, and incessant reforming, which result in poor cycling stability. Here, we report a polymeric additive, polyacrylamide (PAM) that effectively stabilizes the interphase in WiSE. With the addition of 5 molar % PAM to 21 mol kg-1 LiTFSI electrolyte, a LiMn2O4L-TiO2 full cell exhibits enhanced cycling stability with 86% capacity retention after 100 cycles at 1 C. The formation mechanism and evolution of PAM-assisted SEI was investigated using operando small angle neutron scattering and density functional theory (DFT) calculations, which reveal that PAM minimizes the presence of free water molecules at the anode/electrolyte interface, accelerates the TFSI- anion decomposition, and densifies the SEI. |
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700 | 1 | _ | |a Wang, Rui |0 P:(DE-Juel1)161485 |b 2 |
700 | 1 | _ | |a He, Xin |0 P:(DE-Juel1)169319 |b 3 |e Corresponding author |
700 | 1 | _ | |a Pollard, Travis P |0 P:(DE-HGF)0 |b 4 |
700 | 1 | _ | |a Ju, Xiaokang |0 P:(DE-Juel1)176763 |b 5 |
700 | 1 | _ | |a Du, Leilei |0 P:(DE-HGF)0 |b 6 |
700 | 1 | _ | |a Paillard, Elie |0 P:(DE-Juel1)166311 |b 7 |
700 | 1 | _ | |a Frielinghaus, Henrich |0 P:(DE-Juel1)130646 |b 8 |
700 | 1 | _ | |a Barnsley, Lester C. |0 P:(DE-Juel1)172014 |b 9 |
700 | 1 | _ | |a Borodin, Oleg |0 P:(DE-HGF)0 |b 10 |
700 | 1 | _ | |a Xu, Kang |0 P:(DE-HGF)0 |b 11 |
700 | 1 | _ | |a Winter, Martin |0 P:(DE-Juel1)166130 |b 12 |
773 | _ | _ | |a 10.1002/anie.202107252 |g p. anie.202107252 |0 PERI:(DE-600)2011836-3 |n 42 |p 22812-22817 |t Angewandte Chemie / International edition |v 60 |y 2021 |x 1521-3773 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/894582/files/Angew%20chemie_Manuscript_WiSE-PAM-20210727.pdf |y OpenAccess |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/894582/files/Angew%20chemie_Manuscript_WiSE-PAM_supporting%20information0727.pdf |y Restricted |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/894582/files/anie.202107252.pdf |y OpenAccess |
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