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Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries

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Main Authors: Wenjie, He, Hai, Xu, Zhijie, Chen
Format: Book
Language:English
Published: Springer 2023
Subjects:
as-prepared micro-sized SiO/C anode
ICE
Online Access:https://link.springer.com/article/10.1007/s40820-023-01068-8
https://dlib.phenikaa-uni.edu.vn/handle/PNK/8056
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spelling oai:localhost:PNK-80562023-04-19T03:22:48Z Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries Wenjie, He Hai, Xu Zhijie, Chen as-prepared micro-sized SiO/C anode ICE CC BY The solvation structure of Li+ in chemical prelithiation reagent plays a key role in improving the low initial Coulombic efficiency (ICE) and poor cycle performance of silicon-based materials. Nevertheless, the chemical prelithiation agent is difficult to dope active Li+ in silicon-based anodes because of their low working voltage and sluggish Li+ diffusion rate. By selecting the lithium–arene complex reagent with 4-methylbiphenyl as an anion ligand and 2-methyltetrahydrofuran as a solvent, the as-prepared micro-sized SiO/C anode can achieve an ICE of nearly 100%. Interestingly, the best prelithium efficiency does not correspond to the lowest redox half-potential (E1/2), and the prelithiation efficiency is determined by the specific influencing factors (E1/2, Li+ concentration, desolvation energy, and ion diffusion path). 2023-04-19T03:22:48Z 2023-04-19T03:22:48Z 2023 Book https://link.springer.com/article/10.1007/s40820-023-01068-8 https://dlib.phenikaa-uni.edu.vn/handle/PNK/8056 en application/pdf Springer
institution Digital Phenikaa
collection Digital Phenikaa
language English
topic as-prepared micro-sized SiO/C anode
ICE
spellingShingle as-prepared micro-sized SiO/C anode
ICE
Wenjie, He
Hai, Xu
Zhijie, Chen
Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries
description CC BY
format Book
author Wenjie, He
Hai, Xu
Zhijie, Chen
author_facet Wenjie, He
Hai, Xu
Zhijie, Chen
author_sort Wenjie, He
title Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries
title_short Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries
title_full Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries
title_fullStr Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries
title_full_unstemmed Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries
title_sort regulating the solvation structure of li+ enables chemical prelithiation of silicon-based anodes toward high-energy lithium-ion batteries
publisher Springer
publishDate 2023
url https://link.springer.com/article/10.1007/s40820-023-01068-8
https://dlib.phenikaa-uni.edu.vn/handle/PNK/8056
_version_ 1763633854532288512
score 8.8894005

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