A Long Cycle Life, Self-Healing Zinc-Iodine Flow Battery with High Power Density

doi:10.1002/anie.201803122

Title: A Long Cycle Life, Self-Healing Zinc-Iodine Flow Battery with High Power Density

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Abstract

A Zinc-iodine flow battery (ZIFB) with super long cycle life, high energy, power density and self-healing behavior was presented. The long cycle life was achieved by employing a low-cost porous polyolefin membrane with optimized pore structure and stable electrolytes. The pores in the polyolefin membrane can be filled with a solution containing oxidized I ₃ ^- that can react with zinc dendrite. Therefore, by consuming zinc dendrite, the battery can self-recover from micro-short circuiting resulting from overcharging the battery. By using KI and ZnBr ₂ as electrolytes and a high ion conductivity porous membrane, a very high power density can be achieved. As a result, the ZIFB exhibits an energy efficiency (EE) of 82% at 80 mA/cm ² and 71% at 140 mA/cm ², which is 8 times higher than the currently reported for ZIFBs. In addition, a long cycling life of more than 1000 cycles over 3 months with an energy density of more than 80 Wh/L was obtained at 80 mA/cm ². Furthermore, a kW-class cell stack with an output of 700 W was assembled and continuously run for more than 300 cycles. We believe this ZIFB with its high power density, long cycle life, and high reliabilitymore »« less

Authors:

Xie, Congxin ^[1]; Zhang, Huamin ^[2]; Xu, Wenbin ^[3]; Wang, Wei ^[4];

^[2]

Division of Energy Storage, Dalian National Lab for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road Dalian 116023 P. R. China; University of Chinese Academy of Sciences, Beijing 100039 P. R. China
Division of Energy Storage, Dalian National Lab for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road Dalian 116023 P. R. China; Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian 116023 P. R. China
Division of Energy Storage, Dalian National Lab for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road Dalian 116023 P. R. China
Energy and Environment Directorate, Pacific Northwest National Laboratory, PO Box 999 Richland WA 99352 USA

Publication Date:: 2018-05-14

Research Org.:: Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1489906

Report Number(s):: PNNL-SA-131307
Journal ID: ISSN 1433-7851

DOE Contract Number:: AC05-76RL01830

Resource Type:: Journal Article

Journal Name:: Angewandte Chemie (International Edition)

Additional Journal Information:: Journal Volume: 57; Journal Issue: 35; Journal ID: ISSN 1433-7851

Publisher:: Wiley

Country of Publication:: United States

Language:: English

Citation Formats


                    Xie, Congxin, Zhang, Huamin, Xu, Wenbin, Wang, Wei, and Li, Xianfeng. A Long Cycle Life, Self-Healing Zinc-Iodine Flow Battery with High Power Density.  United States: N. p., 2018. 
        Web.  doi:10.1002/anie.201803122.

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                    Xie, Congxin, Zhang, Huamin, Xu, Wenbin, Wang, Wei, & Li, Xianfeng. A Long Cycle Life, Self-Healing Zinc-Iodine Flow Battery with High Power Density.  United States.  doi:10.1002/anie.201803122.

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                    Xie, Congxin, Zhang, Huamin, Xu, Wenbin, Wang, Wei, and Li, Xianfeng. Mon .  
        "A Long Cycle Life, Self-Healing Zinc-Iodine Flow Battery with High Power Density".  United States.  doi:10.1002/anie.201803122.

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@article{osti_1489906,

  title        = {A Long Cycle Life, Self-Healing Zinc-Iodine Flow Battery with High Power Density},

  author       = {Xie, Congxin and Zhang, Huamin and Xu, Wenbin and Wang, Wei and Li, Xianfeng},

  abstractNote = {A Zinc-iodine flow battery (ZIFB) with super long cycle life, high energy, power density and self-healing behavior was presented. The long cycle life was achieved by employing a low-cost porous polyolefin membrane with optimized pore structure and stable electrolytes. The pores in the polyolefin membrane can be filled with a solution containing oxidized I3- that can react with zinc dendrite. Therefore, by consuming zinc dendrite, the battery can self-recover from micro-short circuiting resulting from overcharging the battery. By using KI and ZnBr2 as electrolytes and a high ion conductivity porous membrane, a very high power density can be achieved. As a result, the ZIFB exhibits an energy efficiency (EE) of 82% at 80 mA/cm2 and 71% at 140 mA/cm2, which is 8 times higher than the currently reported for ZIFBs. In addition, a long cycling life of more than 1000 cycles over 3 months with an energy density of more than 80 Wh/L was obtained at 80 mA/cm2. Furthermore, a kW-class cell stack with an output of 700 W was assembled and continuously run for more than 300 cycles. We believe this ZIFB with its high power density, long cycle life, and high reliability can lead the way to development of new-generation, high-performance flow batteries.},

  doi          = {10.1002/anie.201803122},

  journal      = {Angewandte Chemie (International Edition)},

  issn         = {1433-7851},

  number       = 35,

  volume       = 57,

  place        = {United States},

  year         = {2018},

  month        = {5}

}

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DOI: 10.1002/anie.201803122

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