A Na3V2(PO4)2O1.6F1.4 Cathode of Zn-Ion Battery Enabled by a Water-in-Bisalt Electrolyte

Qiao Ni; Heng Jiang; Sean Sandstrom; Ying Bai; Haixia Ren; Xianyong Wu; Qiubo Guo; Dongxu Yu; Chuan Wu; Xiulei Ji

doi:10.1002/adfm.202003511

A Na₃V₂(PO₄)₂O_1.6F_1.4 Cathode of Zn-Ion Battery Enabled by a Water-in-Bisalt Electrolyte

Qiao Ni
, Heng Jiang
, Sean Sandstrom
, Ying Bai^*
, Haixia Ren
, Xianyong Wu
, Qiubo Guo
, Dongxu Yu
, Chuan Wu^*
, Xiulei Ji^*

^*此作品的通讯作者

材料学院

Beijing Institute of Technology
Oregon State University

科研成果: 期刊稿件 › 文章 › 同行评审

144 引用（Scopus）

摘要

Aqueous zinc-ion batteries are receiving increasing attention; however, the development of high-voltage cathodes is limited by the narrow voltage window of conventional aqueous electrolytes. Herein, it is reported that Na₃V₂(PO₄)₂O_1.6F_1.4 exhibits the excellent performance, optimal to date, among polyanion cathode materials in a novel neutral water-in-bisalts electrolyte of 25 m ZnCl₂ + 5 m NH₄Cl. It delivers a reversible capacity of 155 mAh g⁻¹ at 50 mA g⁻¹, a high average operating potential of ≈1.46 V, and stable cyclability of 7000 cycles at 2 A g⁻¹.

源语言	英语
期刊论文编号	2003511
期刊	Advanced Functional Materials
卷	30
期	36
DOI	https://doi.org/10.1002/adfm.202003511
出版状态	已出版 - 1 9月 2020

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10.1002/adfm.202003511

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title = "A Na3V2(PO4)2O1.6F1.4 Cathode of Zn-Ion Battery Enabled by a Water-in-Bisalt Electrolyte",

abstract = "Aqueous zinc-ion batteries are receiving increasing attention; however, the development of high-voltage cathodes is limited by the narrow voltage window of conventional aqueous electrolytes. Herein, it is reported that Na3V2(PO4)2O1.6F1.4 exhibits the excellent performance, optimal to date, among polyanion cathode materials in a novel neutral water-in-bisalts electrolyte of 25 m ZnCl2 + 5 m NH4Cl. It delivers a reversible capacity of 155 mAh g−1 at 50 mA g−1, a high average operating potential of ≈1.46 V, and stable cyclability of 7000 cycles at 2 A g−1.",

keywords = "NaV(PO)OF, aqueous batteries, polyanion-type compounds, water-in-bisalts electrolytes, zinc-ion batteries",

author = "Qiao Ni and Heng Jiang and Sean Sandstrom and Ying Bai and Haixia Ren and Xianyong Wu and Qiubo Guo and Dongxu Yu and Chuan Wu and Xiulei Ji",

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month = sep,

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doi = "10.1002/adfm.202003511",

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AU - Ni, Qiao

AU - Jiang, Heng

AU - Sandstrom, Sean

AU - Bai, Ying

AU - Ren, Haixia

AU - Wu, Xianyong

AU - Guo, Qiubo

AU - Yu, Dongxu

AU - Wu, Chuan

AU - Ji, Xiulei

PY - 2020/9/1

Y1 - 2020/9/1

N2 - Aqueous zinc-ion batteries are receiving increasing attention; however, the development of high-voltage cathodes is limited by the narrow voltage window of conventional aqueous electrolytes. Herein, it is reported that Na3V2(PO4)2O1.6F1.4 exhibits the excellent performance, optimal to date, among polyanion cathode materials in a novel neutral water-in-bisalts electrolyte of 25 m ZnCl2 + 5 m NH4Cl. It delivers a reversible capacity of 155 mAh g−1 at 50 mA g−1, a high average operating potential of ≈1.46 V, and stable cyclability of 7000 cycles at 2 A g−1.

AB - Aqueous zinc-ion batteries are receiving increasing attention; however, the development of high-voltage cathodes is limited by the narrow voltage window of conventional aqueous electrolytes. Herein, it is reported that Na3V2(PO4)2O1.6F1.4 exhibits the excellent performance, optimal to date, among polyanion cathode materials in a novel neutral water-in-bisalts electrolyte of 25 m ZnCl2 + 5 m NH4Cl. It delivers a reversible capacity of 155 mAh g−1 at 50 mA g−1, a high average operating potential of ≈1.46 V, and stable cyclability of 7000 cycles at 2 A g−1.

KW - NaV(PO)OF

KW - aqueous batteries

KW - polyanion-type compounds

KW - water-in-bisalts electrolytes

KW - zinc-ion batteries

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DO - 10.1002/adfm.202003511

M3 - Article

AN - SCOPUS:85087741777

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JO - Advanced Functional Materials

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ER -

A Na3V2(PO4)2O1.6F1.4 Cathode of Zn-Ion Battery Enabled by a Water-in-Bisalt Electrolyte

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A Na₃V₂(PO₄)₂O_1.6F_1.4 Cathode of Zn-Ion Battery Enabled by a Water-in-Bisalt Electrolyte