A space-confined strategy towards stable α/β-Bi2O3 heterojunction anode for high-energy aqueous battery
Copyright © 2023 Elsevier Inc. All rights reserved..
It is very necessary to design a high-capacity and stable Bi2O3 anode for nickel-bismuth (Ni//Bi) batteries. In this work, a stable α- and β- phase Bi2O3 heterojunction nanocomposite (α/β - Bi2O3) was successfully prepared via a simple "space-confined" strategy and it was used as a superior anode for nickel-bismuth (Ni//Bi) battery. The α/β-Bi2O3 obtained by using MCM-41 as a space-confined template possesses a stable structure and enhanced charge transfer capability. Such superior traits vest the designed α/β-Bi2O3 electrode with high specific capacity (235 mAh g-1 at 1 A g-1), extraordinary rate performance (137 mAh g-1 at 40 A g-1, and ∼58% capacity retention vs 1 A g-1), and excellent cyclic durability (75% capacity retention after 5000 cycles). Such performances are far superior to that of mono-phase α-Bi2O3 and β-Bi2O3 electrodes. Furthermore, an excellent Ni//Bi battery with outstanding energy density (∼155 Wh kg-1) and long cycle life was assembled using the obtained α/β-Bi2O3 electrode and a NiC2O4 electrode as anode and cathode, respectively (NiC2O4//α/β-Bi2O3). This work opens a new alternative strategy for the rational design of efficient electrodes for reliable aqueous rechargeable batteries.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:651 |
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| Enthalten in: |
Journal of colloid and interface science - 651(2023) vom: 15. Dez., Seite 929-937 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yin, Keshu [VerfasserIn] |
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| Links: |
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| Themen: |
Anode |
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| Anmerkungen: |
Date Revised 17.09.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.jcis.2023.08.035 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM360790046 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2023 Elsevier Inc. All rights reserved. | ||
| 520 | |a It is very necessary to design a high-capacity and stable Bi2O3 anode for nickel-bismuth (Ni//Bi) batteries. In this work, a stable α- and β- phase Bi2O3 heterojunction nanocomposite (α/β - Bi2O3) was successfully prepared via a simple "space-confined" strategy and it was used as a superior anode for nickel-bismuth (Ni//Bi) battery. The α/β-Bi2O3 obtained by using MCM-41 as a space-confined template possesses a stable structure and enhanced charge transfer capability. Such superior traits vest the designed α/β-Bi2O3 electrode with high specific capacity (235 mAh g-1 at 1 A g-1), extraordinary rate performance (137 mAh g-1 at 40 A g-1, and ∼58% capacity retention vs 1 A g-1), and excellent cyclic durability (75% capacity retention after 5000 cycles). Such performances are far superior to that of mono-phase α-Bi2O3 and β-Bi2O3 electrodes. Furthermore, an excellent Ni//Bi battery with outstanding energy density (∼155 Wh kg-1) and long cycle life was assembled using the obtained α/β-Bi2O3 electrode and a NiC2O4 electrode as anode and cathode, respectively (NiC2O4//α/β-Bi2O3). This work opens a new alternative strategy for the rational design of efficient electrodes for reliable aqueous rechargeable batteries | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Anode | |
| 650 | 4 | |a Bi(2)O(3) | |
| 650 | 4 | |a Heterojunction | |
| 650 | 4 | |a High-energy | |
| 650 | 4 | |a Ni//Bi battery | |
| 700 | 1 | |a Zhou, Dongli |e verfasserin |4 aut | |
| 700 | 1 | |a Tan, Kun |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Shiji |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Mengxiao |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Qiong |e verfasserin |4 aut | |
| 700 | 1 | |a Teng, Chunlin |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Xihong |e verfasserin |4 aut | |
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