Non-Noble Metal High-Entropy Alloy-Based Catalytic Electrode for Long-Life Hydrogen Gas Batteries
The development of efficient, stable, and low-cost bifunctional catalysts for the hydrogen evolution/oxidation reaction (HER/HOR) is critical to promote the application of hydrogen gas batteries in large scale energy storage systems. Here we demonstrate a non-noble metal high-entropy alloy grown on Cu foam (NNM-HEACF) as a self-supported catalytic electrode for nickel-hydrogen gas (Ni-H2) batteries. Experimental and theoretical calculation results reveal that the NNM-HEA catalyst greatly facilitates the HER/HOR catalytic process through the optimized electronic structures of the active sites. The assembled Ni-H2 battery with NNM-HEA@CF as the anode shows excellent rate capability and exceptional cycling performance of over 1800 h without capacity decay at an areal capacity of 15 mAh cm-2. Furthermore, a scaled-up Ni-H2 battery fabricated with an extended capacity of 0.45 Ah exhibits a high cell-level energy density of ∼109.3 Wh kg-1. Moreover, its estimated cost reaches as low as ∼107.8 $ kWh-1 based on all key components of electrodes, separator and electrolyte, which is reduced by more than 6 times compared to that of the commercial Pt/C-based Ni-H2 battery. This work provides an approach to develop high-efficiency non-noble metal-based bifunctional catalysts for hydrogen batteries in large-scale energy storage applications.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:18 |
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| Enthalten in: |
ACS nano - 18(2024), 5 vom: 06. Feb., Seite 4229-4240 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Shuang [VerfasserIn] |
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| Links: |
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| Themen: |
HER/HOR catalysis |
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| Anmerkungen: |
Date Revised 06.02.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/acsnano.3c09482 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM367676869 |
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| 520 | |a The development of efficient, stable, and low-cost bifunctional catalysts for the hydrogen evolution/oxidation reaction (HER/HOR) is critical to promote the application of hydrogen gas batteries in large scale energy storage systems. Here we demonstrate a non-noble metal high-entropy alloy grown on Cu foam (NNM-HEACF) as a self-supported catalytic electrode for nickel-hydrogen gas (Ni-H2) batteries. Experimental and theoretical calculation results reveal that the NNM-HEA catalyst greatly facilitates the HER/HOR catalytic process through the optimized electronic structures of the active sites. The assembled Ni-H2 battery with NNM-HEA@CF as the anode shows excellent rate capability and exceptional cycling performance of over 1800 h without capacity decay at an areal capacity of 15 mAh cm-2. Furthermore, a scaled-up Ni-H2 battery fabricated with an extended capacity of 0.45 Ah exhibits a high cell-level energy density of ∼109.3 Wh kg-1. Moreover, its estimated cost reaches as low as ∼107.8 $ kWh-1 based on all key components of electrodes, separator and electrolyte, which is reduced by more than 6 times compared to that of the commercial Pt/C-based Ni-H2 battery. This work provides an approach to develop high-efficiency non-noble metal-based bifunctional catalysts for hydrogen batteries in large-scale energy storage applications | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a HER/HOR catalysis | |
| 650 | 4 | |a Ni-H2 battery | |
| 650 | 4 | |a high-entropy alloy catalyst | |
| 650 | 4 | |a non-noble metal alloy catalyst | |
| 650 | 4 | |a self-standing electrode | |
| 700 | 1 | |a Wang, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Taoli |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Song |e verfasserin |4 aut | |
| 700 | 1 | |a Sajid, Muhammad |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Zuodong |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Jingwen |e verfasserin |4 aut | |
| 700 | 1 | |a Fan, Yanpeng |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xiaoyang |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Jinghao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zaichun |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Xinhua |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Kai |e verfasserin |4 aut | |
| 700 | 1 | |a Nian, Qingshun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Zhengxin |e verfasserin |4 aut | |
| 700 | 1 | |a Peng, Qia |e verfasserin |4 aut | |
| 700 | 1 | |a Ahmad, Touqeer |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Ke |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Wei |e verfasserin |4 aut | |
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