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A Self-Charging Hybrid Electric Power Device with High Specific Energy and Power AITranslate

Xudong Fu; Zhangxun Xia; Ruili Sun; Hongyu An; Fulai Qi; Suli Wang; Qingting Liu; Gongquan Sun;
Hubei University of Technology; Dalian Institute of Chemical Physics; China|University of Chinese Academy of Sciences; Dalian Institute of Chemical Physics; Dalian Institute of Chemical Physics; Dalian Institute of Chemical Physics; Hubei University of Technology; Dalian Institute of Chemical Physics
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Publisher: ACS
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Abstract AITranslate

Fabricating electrochemical power sources with both high specific energy and power is highly desirable but remains challenging. In this work, a kind of self-charging hybrid electric power device (HEPD) is created with an intrinsic combination of polymer electrolyte membrane fuel cells and supercapacitors on the electrode level. Because of the unique processes of electrocatalytic reactions boosted by the fast pseudocapacitive discharge, remarkably high specific energy (1550 Wh kg–1) and power (4080 W kg–1) can be delivered by the hybrid device. The working mechanism of HEPD is proposed and demonstrated by in situ characterization and extensive electrochemical investigations. The self-charging HEPD with its synergistic electrochemical processes will broaden the applications of electrochemical power sources.

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DOI：https://doi.org/10.1021/acsenergylett.8b01331

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Citation Information:

Fabricating electrochemical power sources with both high specific energy and power is highly desirable but remains challenging. In this work, a kind of self-charging hybrid electric power device (HEPD) is created with an intrinsic combination of polymer electrolyte membrane fuel cells and supercapacitors on the electrode level. Because of the unique processes of electrocatalytic reactions boosted by the fast pseudocapacitive discharge, remarkably high specific energy (1550 Wh kg–1) and power (4080 W kg–1) can be delivered by the hybrid device. The working mechanism of HEPD is proposed and demonstrated by in situ characterization and extensive electrochemical investigations. The self-charging HEPD with its synergistic electrochemical processes will broaden the applications of electrochemical power sources.

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GB/T 7714-2015 [1] Xudong Fu, Zhangxun Xia, Ruili Sun, et al. ACS Energy Letters, 2018(3). DOI:10.1021/acsenergylett.8b01331.
MLA [1] Xudong Fu, et al., ACS Energy Letters, no. 3, 2018, https://doi.org/10.1021/acsenergylett.8b01331.
APA [1] Xudong Fu, Zhangxun Xia, Ruili Sun, Hongyu An, Fulai Qi, Suli Wang, Qingting Liu, & Gongquan Sun. (2018). ACS Energy Letters(3). https://doi.org/10.1021/acsenergylett.8b01331
IEEE [1] Xudong Fu, Zhangxun Xia, Ruili Sun, Hongyu An, Fulai Qi, Suli Wang, Qingting Liu, and Gongquan Sun, ACS Energy Letters, no. 3, 2018, doi: 10.1021/acsenergylett.8b01331.