| Title | Highly accessible dual-metal atomic pairs for enhancing oxygen redox reaction in zinc-air batteries |
| Author | |
| Corresponding Author | Wang, Chundong; Hwang, Seong-Ju |
| Publication Years | 2023-12-15
|
| DOI | |
| Source Title | |
| ISSN | 2211-2855
|
| EISSN | 2211-3282
|
| Volume | 118 |
| Abstract | The bifunctional oxygen electrocatalyst acts as a key component for zinc-air batteries; however, the design of economically-feasible bifunctional electrocatalysts showing outstanding functionality and durability remains challenging. Herein, we report the preparation of homogeneously scattered dual Fe-Ni atomic pairs stabilized in porous N-doped carbon matrix with a hierarchically porous nanoarchitecture (denoted as FeNi-NHC), wherein the atomically isolated bimetallic configuration is verified by combinative investigation of microscopy, spectroscopy, and theoretical computations. As an oxygen electrocatalyst in a basic electrolyte, FeNi-NHC exhibits an exceptional activity, achieving an outstanding half-wave potential (0.934 V vs. RHE) for oxygen reduction re-action, and a small overpotential for oxygen evolution reaction (254 mV at 10 mA cm-2). Furthermore, the zinc-air battery constructed with FeNi-NHC catalyst delivers an excellent functionality featuring a high maximum power density (126 mW cm-2) and insignificant activity decay after 200 charge-discharge cycles. Theoretical computations further reveal that the interaction effect of neighboring metal atoms in the bimetallic Fe-Ni sites energetically promotes the catalytic process by reducing the overall reaction barriers via optimization of adsorption-desorption behaviors. |
| Keywords | |
| URL | [Source Record] |
| Indexed By | |
| Language | English
|
| SUSTech Authorship | Others
|
| Funding Project | National Research Foundation of Korea (NRF) - Korea government (MSIT)["RS-2023-00208355","NRF-2022M3H4A408610312"]
; Ministry of Science and ICT[2021M3H4A1A03049662]
; National Natural Science Foundation of China["51972129","52272202"]
; Science and Technology Innovation Committee Foundation of Shenzhen[JCYJ20190813172609404]
|
| WOS Research Area | Chemistry
; Science & Technology - Other Topics
; Materials Science
; Physics
|
| WOS Subject | Chemistry, Physical
; Nanoscience & Nanotechnology
; Materials Science, Multidisciplinary
; Physics, Applied
|
| WOS Accession No | WOS:001088674100001
|
| Publisher | |
| Data Source | Web of Science
|
| Citation statistics | |
| Document Type | Journal Article |
| Identifier | http://kc.sustech.edu.cn/handle/2SGJ60CL/582805 |
| Department | Public Testing and Analysis Center |
| Affiliation | 1.Yonsei Univ, Dept Mat Sci & Engn, Seoul 03722, South Korea 2.Huazhong Univ Sci & Technol, Sch Integrated Circuits, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China 3.Univ New South Wales, Australian Carbon Mat Ctr A CMC, Sch Chem Engn, Sydney, NSW 2052, Australia 4.Southern Univ Sci & Technol, Pico Ctr, SUSTech Core Res Facil, Shenzhen 518055, Peoples R China |
| Recommended Citation GB/T 7714 |
Ao, Xiang,Li, Linfeng,Yun, So Yeon,et al. Highly accessible dual-metal atomic pairs for enhancing oxygen redox reaction in zinc-air batteries[J]. NANO ENERGY,2023,118.
|
| APA |
Ao, Xiang.,Li, Linfeng.,Yun, So Yeon.,Deng, Yong.,Yoon, Woosik.,...&Hwang, Seong-Ju.(2023).Highly accessible dual-metal atomic pairs for enhancing oxygen redox reaction in zinc-air batteries.NANO ENERGY,118.
|
| MLA |
Ao, Xiang,et al."Highly accessible dual-metal atomic pairs for enhancing oxygen redox reaction in zinc-air batteries".NANO ENERGY 118(2023).
|
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
;
Edit Comment