Stabilizing Zinc Anode through Ion Selection Sieving for Aqueous Zn-Ion Batteries

Zhi Peng; Hui Yan; Qingqing Zhang; Shude Liu; Seong Chan Jun; Sergey Poznyak; Na Guo; Yuehua Li; Huajun Tian; Lei Dai; Ling Wang; Zhangxing He

doi:10.1021/acs.nanolett.4c00693

Stabilizing Zinc Anode through Ion Selection Sieving for Aqueous Zn-Ion Batteries

Zhi Peng, Hui Yan, Qingqing Zhang, Shude Liu, Seong Chan Jun, Sergey Poznyak, Na Guo, Yuehua Li, Huajun Tian, Lei Dai, Ling Wang, Zhangxing He

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Uncontrollable dendrite growth and corrosion induced by reactive water molecules and sulfate ions (SO₄^2-) seriously hindered the practical application of aqueous zinc ion batteries (AZIBs). Here we construct artificial solid electrolyte interfaces (SEIs) realized by sodium and calcium bentonite with a layered structure anchored to anodes (NB@Zn and CB@Zn). This artificial SEI layer functioning as a protective coating to isolate activated water molecules, provides high-speed transport channels for Zn²⁺, and serves as an ionic sieve to repel negatively charged anions while attracting positively charged cations. The theoretical results show that the bentonite electrodes exhibit a higher binding energy for Zn²⁺. This demonstrates that the bentonite protective layer enhances the Zn-ion deposition kinetics. Consequently, the NB@Zn//MnO₂ and CB@Zn//MnO₂ full-battery capacities are 96.7 and 70.4 mAh g^-1 at 2.0 A g^-1 after 1000 cycles, respectively. This study aims to stabilize Zn anodes and improve the electrochemical performance of AZIBs by ion-selection sieving.

Original language	English
Pages (from-to)	9137-9146
Number of pages	10
Journal	Nano letters
Volume	24
Issue number	30
DOIs	https://doi.org/10.1021/acs.nanolett.4c00693
Publication status	Published - 2024 Jul 31

Bibliographical note

Publisher Copyright:
© 2024 American Chemical Society.

All Science Journal Classification (ASJC) codes

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

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10.1021/acs.nanolett.4c00693

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title = "Stabilizing Zinc Anode through Ion Selection Sieving for Aqueous Zn-Ion Batteries",

abstract = "Uncontrollable dendrite growth and corrosion induced by reactive water molecules and sulfate ions (SO42-) seriously hindered the practical application of aqueous zinc ion batteries (AZIBs). Here we construct artificial solid electrolyte interfaces (SEIs) realized by sodium and calcium bentonite with a layered structure anchored to anodes (NB@Zn and CB@Zn). This artificial SEI layer functioning as a protective coating to isolate activated water molecules, provides high-speed transport channels for Zn2+, and serves as an ionic sieve to repel negatively charged anions while attracting positively charged cations. The theoretical results show that the bentonite electrodes exhibit a higher binding energy for Zn2+. This demonstrates that the bentonite protective layer enhances the Zn-ion deposition kinetics. Consequently, the NB@Zn//MnO2 and CB@Zn//MnO2 full-battery capacities are 96.7 and 70.4 mAh g-1 at 2.0 A g-1 after 1000 cycles, respectively. This study aims to stabilize Zn anodes and improve the electrochemical performance of AZIBs by ion-selection sieving.",

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author = "Zhi Peng and Hui Yan and Qingqing Zhang and Shude Liu and Jun, {Seong Chan} and Sergey Poznyak and Na Guo and Yuehua Li and Huajun Tian and Lei Dai and Ling Wang and Zhangxing He",

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year = "2024",

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doi = "10.1021/acs.nanolett.4c00693",

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T1 - Stabilizing Zinc Anode through Ion Selection Sieving for Aqueous Zn-Ion Batteries

AU - Peng, Zhi

AU - Yan, Hui

AU - Zhang, Qingqing

AU - Liu, Shude

AU - Jun, Seong Chan

AU - Poznyak, Sergey

AU - Guo, Na

AU - Li, Yuehua

AU - Tian, Huajun

AU - Dai, Lei

AU - Wang, Ling

AU - He, Zhangxing

PY - 2024/7/31

Y1 - 2024/7/31

N2 - Uncontrollable dendrite growth and corrosion induced by reactive water molecules and sulfate ions (SO42-) seriously hindered the practical application of aqueous zinc ion batteries (AZIBs). Here we construct artificial solid electrolyte interfaces (SEIs) realized by sodium and calcium bentonite with a layered structure anchored to anodes (NB@Zn and CB@Zn). This artificial SEI layer functioning as a protective coating to isolate activated water molecules, provides high-speed transport channels for Zn2+, and serves as an ionic sieve to repel negatively charged anions while attracting positively charged cations. The theoretical results show that the bentonite electrodes exhibit a higher binding energy for Zn2+. This demonstrates that the bentonite protective layer enhances the Zn-ion deposition kinetics. Consequently, the NB@Zn//MnO2 and CB@Zn//MnO2 full-battery capacities are 96.7 and 70.4 mAh g-1 at 2.0 A g-1 after 1000 cycles, respectively. This study aims to stabilize Zn anodes and improve the electrochemical performance of AZIBs by ion-selection sieving.

AB - Uncontrollable dendrite growth and corrosion induced by reactive water molecules and sulfate ions (SO42-) seriously hindered the practical application of aqueous zinc ion batteries (AZIBs). Here we construct artificial solid electrolyte interfaces (SEIs) realized by sodium and calcium bentonite with a layered structure anchored to anodes (NB@Zn and CB@Zn). This artificial SEI layer functioning as a protective coating to isolate activated water molecules, provides high-speed transport channels for Zn2+, and serves as an ionic sieve to repel negatively charged anions while attracting positively charged cations. The theoretical results show that the bentonite electrodes exhibit a higher binding energy for Zn2+. This demonstrates that the bentonite protective layer enhances the Zn-ion deposition kinetics. Consequently, the NB@Zn//MnO2 and CB@Zn//MnO2 full-battery capacities are 96.7 and 70.4 mAh g-1 at 2.0 A g-1 after 1000 cycles, respectively. This study aims to stabilize Zn anodes and improve the electrochemical performance of AZIBs by ion-selection sieving.

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KW - aqueous Zn-ion batteries

KW - ion selection sieving

KW - layered clay

KW - protective layer

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Stabilizing Zinc Anode through Ion Selection Sieving for Aqueous Zn-Ion Batteries

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