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Cui M, Yuan Y, Wu Y, Che Z, Li P, Yang X, Chen Y, Hu W, Wang J, Wang S, Guo Y, Wu Z. Graphdiyne-Induced CoN/CoS 2 Heterojunction: Boosting Efficiency for Bifunctional Oxygen Electrochemistry in Zinc-Air Batteries. CHEMSUSCHEM 2024:e202400832. [PMID: 38845094 DOI: 10.1002/cssc.202400832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/25/2024] [Indexed: 08/09/2024]
Abstract
The performance of zinc-air battery is constrained by the sluggish rate of oxygen electrode reaction, particularly under high current discharge conditions where the kinetic process of the oxygen reduction reaction (ORR) decelerates significantly. To address this challenge, we present a novel phase transition strategy that facilitates the creation of a heteroatom-doped heterointerface (CoN/CoS2). The meticulously engineered CoN/CoS2/NC electrocatalyst displays a superior ORR half-wave potential of 0.87 V and an OER overpotential of 320 mV at 10 mA cm-2. Experimental and computational analysis confirm that the CoN/CoS2 heterostructure optimizes local charge distribution, accelerates electron transfer, and tunes active sites for enhanced catalysis. Notably, this heterojunction improves stability by resisting corrosion and degradation under harsh alkaline conditions, thus demonstrating superior performance and longevity in a custom-made liquid zinc-air battery. This research provides valuable practical and theoretical foundations for designing efficient heterointerfaces in electrocatalysis applications.
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Affiliation(s)
- Min Cui
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Yanan Yuan
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Yue Wu
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Zhongmei Che
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Peixuan Li
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Xiaochen Yang
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Yuqi Chen
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Wei Hu
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Jingui Wang
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Shuai Wang
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
- Nankai University, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Tianjin, 300071, P.R. China
| | - Yingshu Guo
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Jinan, 250353, Shandong, P.R. China
| | - Zexing Wu
- Qingdao University of Science and Technology, Key Laboratory of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao, 266042, Shandong, P.R. China
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Luo T, Lei S, Qi P, Niu S, Li Z, Luo H, Zhang D. Brush-like Co/CoSe nanoheterostructures embedded in N-doped carbon for rechargeable Zn-air batteries. Dalton Trans 2024; 53:4631-4636. [PMID: 38353114 DOI: 10.1039/d3dt04108e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Rational design and preparation of high-performance bifunctional oxygen electrocatalysts with effective sites and excellent mass/electron transfer structures are in demand for Zn-air batteries to overcome the sluggish oxygen reduction/evolution kinetics. Herein, a scalable and facile strategy is proposed to obtain brush-like Co/CoSe nanoheterostructures embedded in N-doped carbon catalysts with optimized active sites and hierarchical nanostructures. Systematic investigation indicates that nanoheterogeneous interfaces with appropriate composition deliver significantly improved electrochemical activity. As a result, a zinc-air battery assembled with the obtained Co/CoSe nanoheterostructures embedded in the N-doped carbon (CoSe/Co@NC-1) catalyst exhibits outstanding electrochemical performance with a peak power density of 215 mW cm-2 and excellent stability for 475 hours (2850 cycles). These results indicate that this strategy is an effective method for fabricating multicomponent and hierarchically nanostructured materials with enhanced catalytic efficiency for advanced energy devices.
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Affiliation(s)
- Teng Luo
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China.
| | - Shengxi Lei
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China.
| | - Pan Qi
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China.
| | - Shuai Niu
- College of Ecology, Taiyuan University of Technology, Taiyuan 030024, China
| | - Zhiwei Li
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China.
| | - Hao Luo
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China.
| | - Dawei Zhang
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China.
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The Biomass of Pig-Blood-Derived Carbon as a Novel Electrode Material for Hydrogen Peroxide Electrochemical Sensing. Catalysts 2022. [DOI: 10.3390/catal12111438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In the work, a pig-blood-derived mesoporous carbon (BC) was prepared as a novel Fe-N-C material for the electrochemical sensor to detect hydrogen peroxide. Because of the unique nanostructure of Fe-BCs with rough surface structure, hierarchical pores, and high graphitization degree, the Fe-BCs, as a kind of advanced electrode material, exhibited remarkable performance in electrocatalysis. The sensor based on Fe-BCs exhibited an extra-long range from c and a detection limit of 0.046 μM (S/N = 3). The synthesis of low-cost, advanced carbon-based electrode materials from environmentally friendly pig blood for electrochemical sensor construction is a promising approach.
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