Details
Original language | English |
---|---|
Article number | 2214538 |
Journal | Advanced functional materials |
Volume | 34 |
Issue number | 5 |
Publication status | Published - 29 Jan 2024 |
Abstract
Aqueous zinc ion batteries (AZIBs) with high safety, low cost, and eco-friendliness advantages show great potential in large-scale energy storage systems. However, their practical application is hindered by low Columbic efficiency and unstable zinc anode resulting from the side reactions and deterioration of zinc dendrites. Herein, tripropylene glycol (TG) is chosen as a dual-functional organic electrolyte additive to improve the reversibility of AZIBs significantly. Importantly, ab initio molecular dynamics theoretical simulations and experiments such as in situ electrochemical impedance spectroscopy, and synchrotron radiation-based in situ Fourier transform infrared spectroscopy confirm that TG participates in the solvation sheath of Zn2+, regulating overpotential and inhibiting side reactions; meanwhile, TG inhibits the deterioration of dendrites and modifies the direction of zinc deposition by constructing an adsorbed layer on the zinc anode. Consequently, a Zn-MnO2 full cell with TG electrolyte exhibited a specific capacity of 124.48 mAh g-1 after 1000 cycles at a current density of 4 A g-1. This quantitative regulation for suitable solvation sheath and adsorbed layer on zinc anode, and its easy scalability of the process can be of immediate benefit for the dendrite-free, high-performance, and low-cost energy storage systems.
Keywords
- electrolyte additives, electrolyte modification, synchrotron, tripropylene glycol, zinc ion batteries
ASJC Scopus subject areas
- Chemistry(all)
- General Chemistry
- Materials Science(all)
- General Materials Science
- Physics and Astronomy(all)
- Condensed Matter Physics
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In: Advanced functional materials, Vol. 34, No. 5, 2214538, 29.01.2024.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - A Dual-Functional Organic Electrolyte Additive with Regulating Suitable Overpotential for Building Highly Reversible Aqueous Zinc Ion Batteries
AU - Liu, Zixiang
AU - Wang, Rui
AU - Ma, Quanwei
AU - Wan, Jiandong
AU - Zhang, Shilin
AU - Zhang, Longhai
AU - Li, Hongbao
AU - Luo, Qiquan
AU - Wu, Jiang
AU - Zhou, Tengfei
AU - Mao, Jianfeng
AU - Zhang, Lin
AU - Zhang, Chaofeng
AU - Guo, Zaiping
N1 - Funding Information: Z.L., R.W., Q.M. contributed equally to this work. The authors thank the financial support from the National Natural Science Foundation of China (52172173, 51872071), the Natural Science Foundation of Anhui Province for Distinguished Young Scholars (2108085J25), the Excellent innovation team of Anhui Province (2022AH010001), the Natural Science Foundation of Anhui Province (2208085QE130), the Open Fund of Guangdong Provincial Key Laboratory of Advance Energy Storage Materials (AESM202106), and the Special Project of Qinghai Provincial Science and Technology Plan Project (2023‐NY‐016). The authors also acknowledge the High‐performance Computing Platform of Anhui University for providing computing resources.
PY - 2024/1/29
Y1 - 2024/1/29
N2 - Aqueous zinc ion batteries (AZIBs) with high safety, low cost, and eco-friendliness advantages show great potential in large-scale energy storage systems. However, their practical application is hindered by low Columbic efficiency and unstable zinc anode resulting from the side reactions and deterioration of zinc dendrites. Herein, tripropylene glycol (TG) is chosen as a dual-functional organic electrolyte additive to improve the reversibility of AZIBs significantly. Importantly, ab initio molecular dynamics theoretical simulations and experiments such as in situ electrochemical impedance spectroscopy, and synchrotron radiation-based in situ Fourier transform infrared spectroscopy confirm that TG participates in the solvation sheath of Zn2+, regulating overpotential and inhibiting side reactions; meanwhile, TG inhibits the deterioration of dendrites and modifies the direction of zinc deposition by constructing an adsorbed layer on the zinc anode. Consequently, a Zn-MnO2 full cell with TG electrolyte exhibited a specific capacity of 124.48 mAh g-1 after 1000 cycles at a current density of 4 A g-1. This quantitative regulation for suitable solvation sheath and adsorbed layer on zinc anode, and its easy scalability of the process can be of immediate benefit for the dendrite-free, high-performance, and low-cost energy storage systems.
AB - Aqueous zinc ion batteries (AZIBs) with high safety, low cost, and eco-friendliness advantages show great potential in large-scale energy storage systems. However, their practical application is hindered by low Columbic efficiency and unstable zinc anode resulting from the side reactions and deterioration of zinc dendrites. Herein, tripropylene glycol (TG) is chosen as a dual-functional organic electrolyte additive to improve the reversibility of AZIBs significantly. Importantly, ab initio molecular dynamics theoretical simulations and experiments such as in situ electrochemical impedance spectroscopy, and synchrotron radiation-based in situ Fourier transform infrared spectroscopy confirm that TG participates in the solvation sheath of Zn2+, regulating overpotential and inhibiting side reactions; meanwhile, TG inhibits the deterioration of dendrites and modifies the direction of zinc deposition by constructing an adsorbed layer on the zinc anode. Consequently, a Zn-MnO2 full cell with TG electrolyte exhibited a specific capacity of 124.48 mAh g-1 after 1000 cycles at a current density of 4 A g-1. This quantitative regulation for suitable solvation sheath and adsorbed layer on zinc anode, and its easy scalability of the process can be of immediate benefit for the dendrite-free, high-performance, and low-cost energy storage systems.
KW - electrolyte additives
KW - electrolyte modification
KW - synchrotron
KW - tripropylene glycol
KW - zinc ion batteries
UR - http://www.scopus.com/inward/record.url?scp=85153375984&partnerID=8YFLogxK
U2 - 10.1002/adfm.202214538
DO - 10.1002/adfm.202214538
M3 - Article
AN - SCOPUS:85153375984
VL - 34
JO - Advanced functional materials
JF - Advanced functional materials
SN - 1616-301X
IS - 5
M1 - 2214538
ER -