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Polymeric membranes with aligned zeolite nanosheets for sustainable energy storage

Author

Listed:
  • Yongsheng Xia

    (Nanjing Tech University)

  • Hongyan Cao

    (Nanjing Tech University)

  • Fang Xu

    (East China University of Science and Technology)

  • Yuxin Chen

    (East China University of Science and Technology)

  • Yu Xia

    (Nanjing Tech University)

  • Dezhu Zhang

    (Nanjing Tech University)

  • Liheng Dai

    (East China University of Science and Technology)

  • Kai Qu

    (East China University of Science and Technology)

  • Cheng Lian

    (East China University of Science and Technology)

  • Kang Huang

    (Nanjing Tech University)

  • Weihong Xing

    (Nanjing Tech University)

  • Wanqin Jin

    (Nanjing Tech University)

  • Zhi Xu

    (East China University of Science and Technology)

Abstract

Membrane technologies with low environmental impacts and ease of use have a wide spectrum of applications, with the potential to provide more sustainable solutions in domains such as water, energy and pollution treatment. However, the design of membranes is subject to a trade-off between ion conductivity and selectivity. Here we show a composite polymeric membrane that breaks this dilemma and supports both high proton conductivity (80.1 mS cm−1) and good vanadium ion selectivity (2.01 × 105 S min cm−3). Underlying this synthetic success is a flow-processing technique through which zeolite nanosheet fillers are oriented in a preferred direction throughout a polymer Nafion matrix. As a result, pairing this aligned membrane with a vanadium flow battery leads to a high energy efficiency of >80% at 200 mA cm−2 and remarkable stability over 1,000 cycles. This work enables the design of membranes that combine otherwise mutually exclusively properties for many possible applications beyond energy storage.

Suggested Citation

  • Yongsheng Xia & Hongyan Cao & Fang Xu & Yuxin Chen & Yu Xia & Dezhu Zhang & Liheng Dai & Kai Qu & Cheng Lian & Kang Huang & Weihong Xing & Wanqin Jin & Zhi Xu, 2022. "Polymeric membranes with aligned zeolite nanosheets for sustainable energy storage," Nature Sustainability, Nature, vol. 5(12), pages 1080-1091, December.
    • Handle: RePEc:nat:natsus:v:5:y:2022:i:12:d:10.1038_s41893-022-00974-w
    DOI: 10.1038/s41893-022-00974-w
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    Cited by:

    1. Qing Guo & Zhuozhi Lai & Xiuhui Zuo & Weipeng Xian & Shaochun Wu & Liping Zheng & Zhifeng Dai & Sai Wang & Qi Sun, 2023. "Photoelectric responsive ionic channel for sustainable energy harvesting," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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