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author:

Liu, Yinan (Liu, Yinan.) [1] | Zheng, Yun (Zheng, Yun.) [2] | Yan, Kunye (Yan, Kunye.) [3] | Wang, Jun (Wang, Jun.) [4] | Qian, Yunxian (Qian, Yunxian.) [5] | Guo, Junpo (Guo, Junpo.) [6] | Zhang, Qi (Zhang, Qi.) [7] | Zhang, Congcong (Zhang, Congcong.) [8] | Jia, Pingshan (Jia, Pingshan.) [9] | Zhang, Zhiyuan (Zhang, Zhiyuan.) [10] | Dong, Shengyang (Dong, Shengyang.) [11] | Jiang, Jiangmin (Jiang, Jiangmin.) [12] | Guo, Yan (Guo, Yan.) [13] | Chen, Rong (Chen, Rong.) [14] | Huang, Yike (Huang, Yike.) [15] | Shen, Yingying (Shen, Yingying.) [16] | Xu, Jincheng (Xu, Jincheng.) [17] | Zheng, Ruifeng (Zheng, Ruifeng.) [18] | Tang, Yuxin (Tang, Yuxin.) [19] (Scholars:汤育欣) | Jiang, Wei (Jiang, Wei.) [20] | Shao, Huaiyu (Shao, Huaiyu.) [21]

Indexed by:

EI Scopus SCIE

Abstract:

Considering the growing pre-lithiation demand for high-performance Si-based anodes and consequent additional costs caused by the strict pre-lithiation environment, developing effective and environmentally stable pre-lithiation additives is a challenging research hotspot. Herein, interfacial engineered multifunctional Li13Si4@perfluoropolyether (PFPE)/LiF micro/nanoparticles are proposed as anode pre-lithiation additives, successfully constructed with the hybrid interface on the surface of Li13Si4 through PFPE-induced nucleophilic substitution. The synthesized multifunctional Li13Si4@PFPE/LiF realizes the integration of active Li compensation, long-term chemical structural stability in air, and solid electrolyte interface (SEI) optimization. In particular, the Li13Si4@PFPE/LiF with a high pre-lithiation capacity (1102.4 mAh g-1) is employed in the pre-lithiation Si-based anode, which exhibits a superior initial Coulombic efficiency of 102.6%. Additionally, in situ X-ray diffraction/Raman, density functional theory calculation, and finite element analysis jointly illustrate that PFPE-predominant hybrid interface with modulated abundant highly electronegative F atoms distribution reduces the water adsorption energy and oxidation kinetics of Li13Si4@PFPE/LiF, which delivers a high pre-lithiation capacity retention of 84.39% after exposure to extremely moist air (60% relative humidity). Intriguingly, a LiF-rich mechanically stable bilayer SEI is constructed on anodes through a pre-lithiation-driven regulation for the behavior of electrolyte decomposition. Benefitting from pre-lithiation via multifunctional Li13Si4@PFPE/LiF, the full cell and pouch cell assembled with pre-lithiated anodes operate with long-time stability of 86.5% capacity retention over 200 cycles and superior energy density of 549.9 Wh kg-1, respectively. The universal multifunctional pre-lithiation additives provide enlightenment on promoting large-scale applications of pre-lithiation on commercial high-energy-density and long-cycle-life lithium-ion batteries.

Keyword:

interfacial functionalization lithium-silicon alloys multifunctional pre-lithiation additives Si-based anodes solid electrolyte interface

Community:

  • [ 1 ] [Liu, Yinan]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 2 ] [Zheng, Yun]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 3 ] [Yan, Kunye]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 4 ] [Guo, Junpo]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 5 ] [Zhang, Qi]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 6 ] [Zhang, Congcong]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 7 ] [Jia, Pingshan]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 8 ] [Zhang, Zhiyuan]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 9 ] [Dong, Shengyang]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 10 ] [Jiang, Jiangmin]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 11 ] [Guo, Yan]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 12 ] [Chen, Rong]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 13 ] [Huang, Yike]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 14 ] [Shen, Yingying]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 15 ] [Xu, Jincheng]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 16 ] [Zheng, Ruifeng]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 17 ] [Jiang, Wei]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 18 ] [Shao, Huaiyu]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China
  • [ 19 ] [Yan, Kunye]Chinese Acad Sci, Shenzhen Inst Adv Technol, Inst Technol Carbon Neutral, Shenzhen, Peoples R China
  • [ 20 ] [Chen, Rong]Chinese Acad Sci, Shenzhen Inst Adv Technol, Inst Technol Carbon Neutral, Shenzhen, Peoples R China
  • [ 21 ] [Wang, Jun]Southern Univ Sci & Technol, Sch Innovat & Entrepreneurship, Dept Mat Sci & Engn, Shenzhen, Peoples R China
  • [ 22 ] [Qian, Yunxian]Shenzhen CAPCHEM Technol Co Ltd, Shenzhen, Peoples R China
  • [ 23 ] [Guo, Junpo]Henan Normal Univ, Sch Chem & Chem Engn, Xinxiang, Peoples R China
  • [ 24 ] [Tang, Yuxin]Fuzhou Univ, Coll Chem Engn, Fuzhou, Peoples R China

Reprint 's Address:

  • [Shao, Huaiyu]Univ Macau, Inst Appl Phys & Mat Engn, Guangdong Hong Kong Macau Joint Lab Photon Thermal, Ave Univ, Taipa, Peoples R China

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CARBON ENERGY

Year: 2025

1 9 . 5 0 0

JCR@2023

Cited Count:

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SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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