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Ma R, Tang C, Wang Y, Xu X, Wu M, Cui X, Yang Y. Linker Mediated Electronic-State Manipulation of Conjugated Organic Polymers Enabling Highly Efficient Oxygen Reduction. Angew Chem Int Ed Engl 2024; 63:e202405594. [PMID: 38638107 DOI: 10.1002/anie.202405594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 04/20/2024]
Abstract
Conjugated polymers with tailorable composition and microarchitecture are propitious for modulating catalytic properties and deciphering inherent structure-performance relationships. Herein, we report a facile linker engineering strategy to manipulate the electronic states of metallophthalocyanine conjugated polymers and uncover the vital role of organic linkers in facilitating electrocatalytic oxygen reduction reaction (ORR). Specifically, a set of cobalt phthalocyanine conjugated polymers (CoPc-CPs) wrapped onto carbon nanotubes (denoted CNTs@CoPc-CPs) are judiciously crafted via in situ assembling square-planar cobalt tetraaminophthalocyanine (CoPc(NH2)4) with different linear aromatic dialdehyde-based organic linkers in the presence of CNTs. Intriguingly, upon varying the electronic characteristic of organic linkers from terephthalaldehyde (TA) to 2,5-thiophenedicarboxaldehyde (TDA) and then to thieno/thiophene-2,5-dicarboxaldehyde (bTDA), their corresponding CNTs@CoPc-CPs exhibit gradually improved electrocatalytic ORR performance. More importantly, theoretical calculations reveal that the charge transfer from CoPc units to electron-withdrawing linkers (i.e., TDA and bTDA) drives the delocalization of Co d-orbital electrons, thereby downshifting the Co d-band energy level. Accordingly, the active Co centers with more positive valence state exhibit optimized binding energy toward ORR-relevant intermediates and thus a balanced adsorption/desorption pathway that endows significant enhancement in electrocatalytic ORR. This work demonstrates a molecular-level engineering route for rationally designing efficient polymer catalysts and gaining insightful understanding of electrocatalytic mechanisms.
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Affiliation(s)
- Rui Ma
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan, 430074, China
| | - Chenglong Tang
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan, 430074, China
| | - Yonglin Wang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Xiaoxue Xu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Mingjie Wu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Xun Cui
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Yingkui Yang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
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Chen H, Xu C, Sun L, Guo C, Chen H, Shu C, Si Y, Liu Y, Jin R. Single-atom Mn sites confined into hierarchically porous core-shell nanostructures for improved catalysis of oxygen reduction. J Colloid Interface Sci 2024; 673:239-248. [PMID: 38871627 DOI: 10.1016/j.jcis.2024.06.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/06/2024] [Accepted: 06/06/2024] [Indexed: 06/15/2024]
Abstract
Applications of zinc-air batteries are partially limited by the slow kinetics of oxygen reduction reaction (ORR); Thus, developing effective strategies to address the compatibility issue between performance and stability is crucial, yet it remains a significant challenge. Here, we propose an in situ gas etching-thermal assembly strategy with an in situ-grown graphene-like shell that will favor Mn anchoring. Gas etching allows for the simultaneous creation of mesopore-dominated carbon cores and ultrathin carbon layer shells adorned entirely with highly dispersed Mn-N4 single-atom sites. This approach effectively resolves the compatibility issue between activity and stability in a single step. The unique core-shell structure allows for the full exposure of active sites and effectively prevents the agglomerations and dissolution of Mn-N4 sites in cores. The corresponding half-wave potential for ORR is up to 0.875 V (vs. reversible hydrogen electrode (RHE)) in 0.1 M KOH. The gained catalyst (Mn-N@Gra-L)-assembled zinc-air battery has a high peak power density (242 mW cm-2) and a durability of ∼ 115 h. Furthermore, replacing the zinc anode achieved a stable cyclic discharge platform of ∼ 20 h at varying current densities. Forming more fully exposed and stable existing Mn-N4 sites is a governing factor for improving the electrocatalytic ORR activity, significantly cycling durability, and reversibility of zinc-air batteries.
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Affiliation(s)
- Hongdian Chen
- College of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China; School of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing 400054, China
| | - Chuanlan Xu
- College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Lingtao Sun
- College of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China; Institute of Chemical and Gas and Oil Technologies, T.F. Gorbachev Kuzbass State Technical University, Kemerovo 650000, Russia
| | - Chaozhong Guo
- College of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China; School of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing 400054, China.
| | - Haifeng Chen
- College of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Chenyang Shu
- College of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Yujun Si
- College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Yao Liu
- College of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China.
| | - Rong Jin
- College of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China; Institute of Chemical and Gas and Oil Technologies, T.F. Gorbachev Kuzbass State Technical University, Kemerovo 650000, Russia.
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Chen Z, Ma T, Wei W, Wong WY, Zhao C, Ni BJ. Work Function-Guided Electrocatalyst Design. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2401568. [PMID: 38682861 DOI: 10.1002/adma.202401568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/14/2024] [Indexed: 05/01/2024]
Abstract
The development of high-performance electrocatalysts for energy conversion reactions is crucial for advancing global energy sustainability. The design of catalysts based on their electronic properties (e.g., work function) has gained significant attention recently. Although numerous reviews on electrocatalysis have been provided, no such reports on work function-guided electrocatalyst design are available. Herein, a comprehensive summary of the latest advancements in work function-guided electrocatalyst design for diverse electrochemical energy applications is provided. This includes the development of work function-based catalytic activity descriptors, and the design of both monolithic and heterostructural catalysts. The measurement of work function is first discussed and the applications of work function-based catalytic activity descriptors for various reactions are fully analyzed. Subsequently, the work function-regulated material-electrolyte interfacial electron transfer (IET) is employed for monolithic catalyst design, and methods for regulating the work function and optimizing the catalytic performance of catalysts are discussed. In addition, key strategies for tuning the work function-governed material-material IET in heterostructural catalyst design are examined. Finally, perspectives on work function determination, work function-based activity descriptors, and catalyst design are put forward to guide future research. This work paves the way to the work function-guided rational design of efficient electrocatalysts for sustainable energy applications.
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Affiliation(s)
- Zhijie Chen
- School of Civil and Environmental Engineering, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Tianyi Ma
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Wei Wei
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Wai-Yeung Wong
- Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hung Hom Kowloon, Hong Kong, P. R. China
| | - Chuan Zhao
- School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Bing-Jie Ni
- School of Civil and Environmental Engineering, The University of New South Wales, Sydney, NSW, 2052, Australia
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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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Liu Y, Jiang X, Zhang Y, Li H, Huang W, Yang Y, Ye M, Liu Y. The interface-mediated electron structure tuning of RuO x-Co 3O 4 nano-particles for efficient electrocatalytic nitrate reduction. Dalton Trans 2023; 53:162-170. [PMID: 38018516 DOI: 10.1039/d3dt03318j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
The energy-intensive processes for the industrial production of ammonia necessitates the development of new methods to be proposed that will aid in reducing the global energy consumption. Specifically, the electrocatalytic nitrate reduction reaction (NO3RR) to produce ammonia is more thermodynamically feasible than the electrocatalytic nitrogen reduction reaction (NRR). However, it is hindered by a low catalytic activity due to its complex reaction pathways. Herein, we synthesized a novel electrocatalyst, RuOx-Co3O4 nanoparticles, with abundant interfaces, which exhibited an enhanced catalytic activity for efficient ammonia synthesis. This catalyst delivered a partial current density of 65.8 mA cm-2 for NH3 production, a faradaic efficiency (FE) of 89.7%, and a superior ammonia yield rate of up to 210.5 μmol h-1 cm-2 at -0.6 V vs. RHE. X-ray photoelectron and Raman spectroscopy revealed that the formed interfacial Ru-O-Co bond can decorate the electronic structures of the active sites and accelerate the absorption of NO3-, thus promoting the production of ammonia.
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Affiliation(s)
- Yang Liu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Xiaoli Jiang
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Yagang Zhang
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Hangqi Li
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Weidong Huang
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Yuanteng Yang
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Minghao Ye
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Yanxia Liu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 611731, China
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Wang M, Wang L, Li Q, Wang D, Yang L, Han Y, Ren Y, Tian G, Zheng X, Ji M, Zhu C, Peng L, Waterhouse GIN. Regulating the Coordination Geometry and Oxidation State of Single-Atom Fe Sites for Enhanced Oxygen Reduction Electrocatalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2300373. [PMID: 36919312 DOI: 10.1002/smll.202300373] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/20/2023] [Indexed: 06/15/2023]
Abstract
FeNC catalysts demonstrate remarkable activity and stability for the oxygen reduction reaction (ORR) in polymer electrolyte membrane fuel cells and Zn-air batteries (ZABs). The local coordination of Fe single atoms in FeNC catalysts strongly impacts ORR activity. Herein, FeNC catalysts containing Fe single atoms sites with FeN3 , FeN4 , and FeN5 coordinations are synthesized by carbonization of Fe-rich polypyrrole precursors. The FeN5 sites possess a higher Fe oxidation state (+2.62) than the FeN3 (+2.23) and FeN4 (+2.47) sites, and higher ORR activity. Density functional theory calculations verify that the FeN5 coordination optimizes the adsorption and desorption of ORR intermediates, dramatically lowering the energy barrier for OH- desorption in the rate-limiting ORR step. A primary ZAB constructed using the FeNC catalyst with FeN5 sites demonstrates state-of-the-art performance (an open circuit potential of 1.629 V, power density of 159 mW cm-2 ). Results confirm an intimate structure-activity relationship between Fe coordination, Fe oxidation state, and ORR activity in FeNC catalysts.
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Affiliation(s)
- Minjie Wang
- School of Chemistry and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, P. R. China
| | - Li Wang
- School of Chemistry and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, P. R. China
| | - Qingbin Li
- School of Chemistry and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, P. R. China
| | - Dan Wang
- School of Ceramic, Pingdingshan University, Pingdingshan, 467000, P. R. China
| | - Liu Yang
- School of Chemistry and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, P. R. China
| | - Yongjun Han
- School of Chemistry and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, P. R. China
| | - Yuan Ren
- Department of Chemistry, Fudan University, Shanghai, 200433, P. R. China
| | - Gang Tian
- School of Chemistry and Environmental Engineering, Pingdingshan University, Pingdingshan, 467000, P. R. China
| | - Xiaoyang Zheng
- Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8573, Japan
| | - Muwei Ji
- Department of Chemistry, College of Science, Shantou University, Shantou, 515063, P. R. China
| | - Caizhen Zhu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, P. R. China
| | - Lishan Peng
- Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341100, P. R. China
- School of Chemical Sciences, The University of Auckland, Auckland, 1142, New Zealand
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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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Li W, Chen Z, Jiang X, Jiang J, Zhang Y. Recent advances in the design of single-atom electrocatalysts by defect engineering. Front Chem 2022; 10:1011597. [PMID: 36186588 PMCID: PMC9520354 DOI: 10.3389/fchem.2022.1011597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 08/24/2022] [Indexed: 11/15/2022] Open
Abstract
Single-atom catalysts (SACs) with isolated metal atoms dispersed on supports have attracted increasing attention due to their maximum atomic utilization and excellent catalytic performance in various electrochemical reactions. However, SACs with a high surface-to-volume ratio are fundamentally less stable and easily agglomerate, which weakens their activity. In addition, another issue that restricts the application of SACs is the low metal loading. Defect engineering is the most effective strategy for the precise synthesis of nanomaterials to catch and immobilize single atoms through the modulation of the electronic structure and coordination environment. Herein, in this mini-review, the latest advances in designing SACs by defect engineering have been first highlighted. Then, the heteroatom doping or intrinsic defects of carbon-based support and anion vacancies or cation vacancies of metal-based supports are systematically evaluated. Subsequently, the structure–activity relationships between a single-atom coupled defect structure and electrocatalytic performance are illustrated by combining experimental results and theoretical calculations. Finally, a perspective to reveal the current challenges and opportunities for controllable preparation, in situ characterization, and commercial applications is further proposed.
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Affiliation(s)
- Wei Li
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhikai Chen
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoli Jiang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, China
| | - Jinxia Jiang
- Chongqing Medical and Pharmaceutical College, Chongqing, China
- *Correspondence: Jinxia Jiang, ; Yagang Zhang,
| | - Yagang Zhang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, China
- *Correspondence: Jinxia Jiang, ; Yagang Zhang,
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