Hollow Octahedral Pr6O11-Mn2O3 Heterostructures for High-Performance Aqueous Zn-Ion Batteries
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
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Detail(s)
Original language | English |
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Article number | 2402743 |
Journal / Publication | Advanced Energy Materials |
Publication status | Online published - 31 Jul 2024 |
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DOI | DOI |
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Attachment(s) | Documents
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Link to Scopus | https://www.scopus.com/record/display.uri?eid=2-s2.0-85200042402&origin=recordpage |
Permanent Link | https://scholars.cityu.edu.hk/en/publications/publication(b2c44311-380e-4b65-9a02-9acb0f3d7f4a).html |
Abstract
Mn-based oxides are broadly prospected cathode materials for aqueous Zn-ion batteries (AZIBs) due to their rich abundance, low cost, and plentiful valence states. However, the further development of Mn-based oxides is severely restricted by the dissolution of active materials and poor structural stability. Herein, hollow octahedral Pr6O11-Mn2O3 (denoted as PrO-MnO) heterostructures are developed through a facile metal–organic framework-engaged templating approach, which realizes boosted Zn ion storage performance. Pr6O11 can not only effectively suppress the dissolution of Mn to stabilize Mn2O3 but also induce interfacial charge rearrangement and promote electron/ion transfer, contributing to the improved electrochemical activity and stability of PrO-MnO. Moreover, the rationally designed hollow nanostructure offers sufficient active sites and facilitates the reaction kinetics. As expected, the PrO-MnO cathode exhibits excellent rate and cycling performance with a high reversible capacity of 140.8 mAh g−1 after 2000 cycles at 1 A g−1, outperforming the Mn2O3 cathode. © 2024 The Author(s). Advanced Energy Materials published by Wiley-VCH GmbH.
Research Area(s)
- aqueous Zn-ion batteries, heterostructures, metal–organic frameworks, Mn2O3, rare earth oxides
Citation Format(s)
Hollow Octahedral Pr6O11-Mn2O3 Heterostructures for High-Performance Aqueous Zn-Ion Batteries. / Liu, Qiang; Fan, Guilan; Zeng, Yinxiang et al.
In: Advanced Energy Materials, 31.07.2024.
In: Advanced Energy Materials, 31.07.2024.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
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