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Intercalation-conversion hybrid cathodes enabling Li–S full-cell architectures with jointly superior gravimetric and volumetric energy densities

Author

Listed:
  • Weijiang Xue

    (Massachusetts Institute of Technology)

  • Zhe Shi

    (Massachusetts Institute of Technology)

  • Liumin Suo

    (Massachusetts Institute of Technology
    Institute of Physics, Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Songshan Lake Materials Laboratory)

  • Chao Wang

    (Massachusetts Institute of Technology)

  • Ziqiang Wang

    (Massachusetts Institute of Technology)

  • Haozhe Wang

    (Massachusetts Institute of Technology)

  • Kang Pyo So

    (Massachusetts Institute of Technology)

  • Andrea Maurano

    (Samsung Advanced Institute of Technology America)

  • Daiwei Yu

    (Massachusetts Institute of Technology)

  • Yuming Chen

    (Massachusetts Institute of Technology)

  • Long Qie

    (Massachusetts Institute of Technology
    Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University)

  • Zhi Zhu

    (Massachusetts Institute of Technology)

  • Guiyin Xu

    (Massachusetts Institute of Technology)

  • Jing Kong

    (Massachusetts Institute of Technology)

  • Ju Li

    (Massachusetts Institute of Technology)

Abstract

A common practise in the research of Li–S batteries is to use high electrode porosity and excessive electrolytes to boost sulfur-specific capacity. Here we propose a class of dense intercalation-conversion hybrid cathodes by combining intercalation-type Mo6S8 with conversion-type sulfur to realize a Li–S full cell. The mechanically hard Mo6S8 with fast Li-ion transport ability, high electronic conductivity, active capacity contribution and high affinity for lithium polysulfides is shown to be an ideal backbone to immobilize the sulfur species and unlock their high gravimetric capacity. Cycling stability and rate capability are reported under realistic conditions of low carbon content (~10 wt%), low electrolyte/active material ratio (~1.2 µl mg−1), low cathode porosity (~55 vol%) and high mass loading (>10 mg cm−2). A pouch cell assembled based on the hybrid cathode and a 2× excess Li metal anode is able to simultaneously deliver a gravimetric energy density of 366 Wh kg−1 and a volumetric energy density of 581 Wh l−1.

Suggested Citation

  • Weijiang Xue & Zhe Shi & Liumin Suo & Chao Wang & Ziqiang Wang & Haozhe Wang & Kang Pyo So & Andrea Maurano & Daiwei Yu & Yuming Chen & Long Qie & Zhi Zhu & Guiyin Xu & Jing Kong & Ju Li, 2019. "Intercalation-conversion hybrid cathodes enabling Li–S full-cell architectures with jointly superior gravimetric and volumetric energy densities," Nature Energy, Nature, vol. 4(5), pages 374-382, May.
  • Handle: RePEc:nat:natene:v:4:y:2019:i:5:d:10.1038_s41560-019-0351-0
    DOI: 10.1038/s41560-019-0351-0
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    Citations

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    Cited by:

    1. Jiarui He & Amruth Bhargav & Laisuo Su & Harry Charalambous & Arumugam Manthiram, 2023. "Intercalation-type catalyst for non-aqueous room temperature sodium-sulfur batteries," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Zhiyuan Han & An Chen & Zejian Li & Mengtian Zhang & Zhilong Wang & Lixue Yang & Runhua Gao & Yeyang Jia & Guanjun Ji & Zhoujie Lao & Xiao Xiao & Kehao Tao & Jing Gao & Wei Lv & Tianshuai Wang & Jinji, 2024. "Machine learning-based design of electrocatalytic materials towards high-energy lithium||sulfur batteries development," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    3. Yuruo Qi & Qing-Jie Li & Yuanke Wu & Shu-juan Bao & Changming Li & Yuming Chen & Guoxiu Wang & Maowen Xu, 2021. "A Fe3N/carbon composite electrocatalyst for effective polysulfides regulation in room-temperature Na-S batteries," Nature Communications, Nature, vol. 12(1), pages 1-12, December.
    4. Xue, Weijiang & Chen, Tianwu & Ren, Zhichu & Kim, So Yeon & Chen, Yuming & Zhang, Pengcheng & Zhang, Sulin & Li, Ju, 2020. "Molar-volume asymmetry enabled low-frequency mechanical energy harvesting in electrochemical cells," Applied Energy, Elsevier, vol. 273(C).
    5. Huanxin Li & Yi Gong & Haihui Zhou & Jing Li & Kai Yang & Boyang Mao & Jincan Zhang & Yan Shi & Jinhai Deng & Mingxuan Mao & Zhongyuan Huang & Shuqiang Jiao & Yafei Kuang & Yunlong Zhao & Shenglian Lu, 2023. "Ampere-hour-scale soft-package potassium-ion hybrid capacitors enabling 6-minute fast-charging," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    6. Byong-June Lee & Chen Zhao & Jeong-Hoon Yu & Tong-Hyun Kang & Hyean-Yeol Park & Joonhee Kang & Yongju Jung & Xiang Liu & Tianyi Li & Wenqian Xu & Xiao-Bing Zuo & Gui-Liang Xu & Khalil Amine & Jong-Sun, 2022. "Development of high-energy non-aqueous lithium-sulfur batteries via redox-active interlayer strategy," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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