A high-voltage symmetric sodium ion battery using sodium vanadium pyrophosphate with superior power density and long lifespan

Jinke Li; Rui Wang; Wenguang Zhao; Xu Hou; Elie Paillard; De Ning; Cheng Li; Jun Wang; Yinguo Xiao; Martin Winter; Jie Li

doi:10.1016/j.jpowsour.2021.230183

A high-voltage symmetric sodium ion battery using sodium vanadium pyrophosphate with superior power density and long lifespan

Jinke Li, Rui Wang, Wenguang Zhao, Xu Hou, Elie Paillard, De Ning, Cheng Li, Jun Wang, Yinguo Xiao, Martin Winter, Jie Li

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

12 Scopus citations

Abstract

Sodium ion batteries have been considered as promising alternatives to lithium ion batteries for large-scale renewable energy and smart grids applications due to their low cost and rich resources. However, critical drawbacks such as low energy density and poor stability are hindering their development and application. In this work, a stable symmetric sodium ion cell using sodium vanadium pyrophosphate Na_6·88V_2·81(P₂O₇)₄ as the positive and negative electrodes is fabricated. Since the bipolar Na_6·88V_2·81(P₂O₇)₄ possesses high sodium-ion diffusion ability and stable structure framework, it demonstrates promising rate capability and cycling performance as both the positive and negative electrodes. The symmetric sodium ion cell, with Na_6·88V_2·81(P₂O₇)₄ as the active material in both the positive and negative electrodes, exhibits a high operating voltage plateau of ≈3.0 V, distinct rate capability (e.g. 45 mAh g⁻¹ at 10 C) and excellent cycling performance (e.g. 71.1% capacity retention after 1000 cycles at 2 C). The results of this work represent a step toward the development of symmetric sodium ion batteries with high operating voltage, good rate capability and long lifespan.

Original language	English
Article number	230183
Journal	Journal of Power Sources
Volume	507
DOIs	https://doi.org/10.1016/j.jpowsour.2021.230183
State	Published - Sep 30 2021
Externally published	Yes

Funding

The research was financially supported by National Key R&D Program of China (2020YFA0406203), National Natural Science Foundation of China (U2032167 and 52072008), Guangdong Basic and Applied Basic Research Foundation (2019B1515120028, 2019A1515012060 and 2019A1515110897) and Foundation for Young Talents in Higher Education of Guangdong (2019KQNCX129). China Scholarship Council is gratefully acknowledged for funding Jinke Li's scholarship. A portion of this research used resources at the Spallation Neutron Source, a DOE Office of Science User Facility operated by the Oak Ridge National Laboratory. The research was financially supported by National Key R&D Program of China (2020YFA0406203), National Natural Science Foundation of China (U2032167 and 52072008), Guangdong Basic and Applied Basic Research Foundation ( 2019B1515120028 , 2019A1515012060 and 2019A1515110897 ) and Foundation for Young Talents in Higher Education of Guangdong (2019KQNCX129). China Scholarship Council is gratefully acknowledged for funding Jinke Li's scholarship. A portion of this research used resources at the Spallation Neutron Source, a DOE Office of Science User Facility operated by the Oak Ridge National Laboratory.

Keywords

Negative electrode
Positive electrode
Sodium ion batteries
Sodium vanadium pyrophosphate
Symmetric cell

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10.1016/j.jpowsour.2021.230183

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title = "A high-voltage symmetric sodium ion battery using sodium vanadium pyrophosphate with superior power density and long lifespan",

abstract = "Sodium ion batteries have been considered as promising alternatives to lithium ion batteries for large-scale renewable energy and smart grids applications due to their low cost and rich resources. However, critical drawbacks such as low energy density and poor stability are hindering their development and application. In this work, a stable symmetric sodium ion cell using sodium vanadium pyrophosphate Na6·88V2·81(P2O7)4 as the positive and negative electrodes is fabricated. Since the bipolar Na6·88V2·81(P2O7)4 possesses high sodium-ion diffusion ability and stable structure framework, it demonstrates promising rate capability and cycling performance as both the positive and negative electrodes. The symmetric sodium ion cell, with Na6·88V2·81(P2O7)4 as the active material in both the positive and negative electrodes, exhibits a high operating voltage plateau of ≈3.0 V, distinct rate capability (e.g. 45 mAh g−1 at 10 C) and excellent cycling performance (e.g. 71.1% capacity retention after 1000 cycles at 2 C). The results of this work represent a step toward the development of symmetric sodium ion batteries with high operating voltage, good rate capability and long lifespan.",

keywords = "Negative electrode, Positive electrode, Sodium ion batteries, Sodium vanadium pyrophosphate, Symmetric cell",

author = "Jinke Li and Rui Wang and Wenguang Zhao and Xu Hou and Elie Paillard and De Ning and Cheng Li and Jun Wang and Yinguo Xiao and Martin Winter and Jie Li",

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T1 - A high-voltage symmetric sodium ion battery using sodium vanadium pyrophosphate with superior power density and long lifespan

AU - Li, Jinke

AU - Wang, Rui

AU - Zhao, Wenguang

AU - Hou, Xu

AU - Paillard, Elie

AU - Ning, De

AU - Li, Cheng

AU - Wang, Jun

AU - Xiao, Yinguo

AU - Winter, Martin

AU - Li, Jie

PY - 2021/9/30

Y1 - 2021/9/30

N2 - Sodium ion batteries have been considered as promising alternatives to lithium ion batteries for large-scale renewable energy and smart grids applications due to their low cost and rich resources. However, critical drawbacks such as low energy density and poor stability are hindering their development and application. In this work, a stable symmetric sodium ion cell using sodium vanadium pyrophosphate Na6·88V2·81(P2O7)4 as the positive and negative electrodes is fabricated. Since the bipolar Na6·88V2·81(P2O7)4 possesses high sodium-ion diffusion ability and stable structure framework, it demonstrates promising rate capability and cycling performance as both the positive and negative electrodes. The symmetric sodium ion cell, with Na6·88V2·81(P2O7)4 as the active material in both the positive and negative electrodes, exhibits a high operating voltage plateau of ≈3.0 V, distinct rate capability (e.g. 45 mAh g−1 at 10 C) and excellent cycling performance (e.g. 71.1% capacity retention after 1000 cycles at 2 C). The results of this work represent a step toward the development of symmetric sodium ion batteries with high operating voltage, good rate capability and long lifespan.

AB - Sodium ion batteries have been considered as promising alternatives to lithium ion batteries for large-scale renewable energy and smart grids applications due to their low cost and rich resources. However, critical drawbacks such as low energy density and poor stability are hindering their development and application. In this work, a stable symmetric sodium ion cell using sodium vanadium pyrophosphate Na6·88V2·81(P2O7)4 as the positive and negative electrodes is fabricated. Since the bipolar Na6·88V2·81(P2O7)4 possesses high sodium-ion diffusion ability and stable structure framework, it demonstrates promising rate capability and cycling performance as both the positive and negative electrodes. The symmetric sodium ion cell, with Na6·88V2·81(P2O7)4 as the active material in both the positive and negative electrodes, exhibits a high operating voltage plateau of ≈3.0 V, distinct rate capability (e.g. 45 mAh g−1 at 10 C) and excellent cycling performance (e.g. 71.1% capacity retention after 1000 cycles at 2 C). The results of this work represent a step toward the development of symmetric sodium ion batteries with high operating voltage, good rate capability and long lifespan.

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KW - Positive electrode

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A high-voltage symmetric sodium ion battery using sodium vanadium pyrophosphate with superior power density and long lifespan

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