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Zhou S, Chen C, Xia J, Li L, Qian X, Yin F, He G, Chen Q, Chen H. FeN 3S 1─OH Single-Atom Sites Anchored on Hollow Porous Carbon for Highly Efficient pH-Universal Oxygen Reduction Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310224. [PMID: 38321843 DOI: 10.1002/smll.202310224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/27/2023] [Indexed: 02/08/2024]
Abstract
Regulating the asymmetric active center of a single-atom catalyst to optimize the binding energy is critical but challenging to improve the overall efficiency of the electrocatalysts. Herein, an effective strategy is developed by introducing an axial hydroxyl (OH) group to the Fe─N4 center, simultaneously assisting with the further construction of asymmetric configurations by replacing one N atom with one S atom, forming FeN3S1─OH configuration. This novel structure can optimize the electronic structure and d-band center shift to reduce the reaction energy barrier, thereby promoting oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) catalytic activities. The optimal catalyst, FeSA-S/N-C (FeN3S1─OH anchored on hollow porous carbon) displays remarkable ORR performance with a half-wave potential of 0.92, 0.78, and 0.64 V versus RHE in 0.1 m KOH, 0.5 m H2SO4, and 0.1 m PBS, respectively. The rechargeable liquid Zn-air batteries (LZABs) equipped with FeSA-S/N-C display a higher power density of 128.35 mW cm-2, long-term operational stability of over 500 h, and outstanding reversibility. More importantly, the corresponding flexible solid-state ZABs (FSZABs@FeSA-S/N-C) display negligible voltage changes at different bending angles during the charging and discharging processes. This work provides a new perspective for the design and optimization of asymmetric configuration for single-atom catalysts applied to the area of energy conversion and storage.
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Affiliation(s)
- Shilong Zhou
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
- Department of Chemistry and Chemical Engineering, Jiangsu University of Technology, Changzhou, 213001, China
| | - Chao Chen
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Jiawei Xia
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Le Li
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Xingyue Qian
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Fengxiang Yin
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Guangyu He
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Qun Chen
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Haiqun Chen
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
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2
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Xie L, Zhou W, Huang Y, Qu Z, Li L, Yang C, Ding Y, Li J, Meng X, Sun F, Gao J, Zhao G, Qin Y. Elucidating the impact of oxygen functional groups on the catalytic activity of M-N 4-C catalysts for the oxygen reduction reaction: a density functional theory and machine learning approach. MATERIALS HORIZONS 2024; 11:1719-1731. [PMID: 38277153 DOI: 10.1039/d3mh02115g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
Efforts to enhance the efficiency of electrocatalysts for the oxygen reduction reaction (ORR) in energy conversion and storage devices present formidable challenges. In this endeavor, M-N4-C single-atom catalysts (MN4) have emerged as promising candidates due to their precise atomic structure and adaptable electronic properties. However, MN4 catalysts inherently introduce oxygen functional groups (OGs), intricately influencing the catalytic process and complicating the identification of active sites. This study employs advanced density functional theory (DFT) calculations to investigate the profound influence of OGs on ORR catalysis within MN4 catalysts (referred to as OGs@MN4, where M represents Fe or Co). We established the following activity order for the 2eORR: for OGs@CoN4: OH@CoN4 > CoN4 > CHO@CoN4 > C-O-C@CoN4 > COC@CoN4 > COOH@CoN4 > CO@CoN4; for OGs@FeN4: COC@FeN4 > CO@FeN4 > OH@FeN4 > FeN4 > COOH@FeN4 > CHO@FeN4 > C-O-C@FeN4. Multiple oxygen combinations were constructed and found to be the true origin of MN4 activity (for instance, the overpotential of 2OH@CoN4 as low as 0.07 V). Furthermore, we explored the performance of the OGs@MN4 system through charge and d-band center analysis, revealing the limitations of previous electron-withdrawing/donating strategies. Machine learning analysis, including GBR, GPR, and LINER models, effectively guides the prediction of catalyst performance (with an R2 value of 0.93 for predicting ΔG*OOH_vac in the GBR model). The Eg descriptor was identified as the primary factor characterizing ΔG*OOH_vac (accounting for 62.8%; OGs@CoN4: R2 = 0.9077, OGs@FeN4: R2 = 0.7781). This study unveils the significant impact of OGs on MN4 catalysts and pioneers design and synthesis criteria rooted in Eg. These innovative findings provide valuable insights into understanding the origins of catalytic activity and guiding the design of carbon-based single-atom catalysts, appealing to a broad audience interested in energy conversion technologies and materials science.
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Affiliation(s)
- Liang Xie
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Wei Zhou
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, P. R. China.
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Yuming Huang
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Zhibin Qu
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Longhao Li
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Chaowei Yang
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Yani Ding
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Junfeng Li
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Xiaoxiao Meng
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Fei Sun
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Jihui Gao
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Guangbo Zhao
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
| | - Yukun Qin
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.
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3
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Huang Z, Li F, Liu Y, Chen S, Wei Z, Tang Q. The role of nitrogen sources and hydrogen adsorption on the dynamic stability of Fe-N-C catalysts in oxygen reduction reaction. Chem Sci 2024; 15:1132-1142. [PMID: 38239677 PMCID: PMC10793592 DOI: 10.1039/d3sc05378d] [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: 10/11/2023] [Accepted: 12/15/2023] [Indexed: 01/22/2024] Open
Abstract
Fe-N-C catalysts are promising alternatives to Pt-based electrocatalysts for the oxygen reduction reaction (ORR) in various electrochemical applications. However, their practical implementation is impeded by their instability during prolonged operation. Various degradation mechanisms have been proposed, yet the real origin of the intrinsic instability of Fe-N-C structures under ORR operations is still disputed. Herein, we observed a new type of protonation mechanism based on advanced first-principles simulations and experimental characterizations. The results revealed strong evidence of pyrrolic-N protonation in pyrrolic-type FeN4, which plays a vital role for the low kinetic barrier of Fe leaching. Conversely, the pyridinic-type FeN4 prefers protonation at the Fe site, contributing to the higher barrier of Fe leaching and relatively higher stability. The facile pyrrolic-N protonation is verified by various spectroscopy characterizations in the Nafion-treated FePc molecule. Crucially, the presence of oxygen-containing intermediates at the Fe site can further work synergistically with N protonation to promote conversion of iron atoms (Fe-N4) into ferric oxide under working potentials, and the more positive the electrode potential, the lower the kinetic barrier of Fe leaching. These findings serve as a foundation for future research endeavors on the stability issues of Fe-N-C catalysts and advancing their application in sustainable energy conversion technologies.
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Affiliation(s)
- Zhou Huang
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University Chongqing 401331 China
| | - Fuhua Li
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University Chongqing 401331 China
| | - Yongduo Liu
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University Chongqing 401331 China
| | - Siguo Chen
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University Chongqing 401331 China
| | - Zidong Wei
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University Chongqing 401331 China
| | - Qing Tang
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University Chongqing 401331 China
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Zhou S, Chen C, Xia J, Li L, Qian X, Arif M, Yin F, Dai G, He G, Chen Q, Chen H. 3D Hollow Hierarchical Porous Carbon with Fe-N 4 -OH Single-Atom Sites for High-Performance Zn-Air Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302464. [PMID: 37594730 DOI: 10.1002/smll.202302464] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 07/05/2023] [Indexed: 08/19/2023]
Abstract
The development of innovative and efficient Fe-N-C catalysts is crucial for the widespread application of zinc-air batteries (ZABs), where the inherent oxygen reduction reaction (ORR) activity of Fe single-atom sites needs to be optimized to meet the practical application. Herein, a three-dimensional (3D) hollow hierarchical porous electrocatalyst (ZIF8@FePMPDA-920) rich in asymmetric Fe-N4 -OH moieties as the single atomic sites is reported. The Fe center is in a penta-coordinated geometry with four N atoms and one O atom to form Fe-N4 -OH configuration. Compared to conventional Fe-N4 configuration, this unique structure can weaken the adsorption of intermediates by reducing the electron density of the Fe center for oxygen binding, which decreases the energy barrier of the rate-determining steps (RDS) to accelerate the ORR and oxygen evolution reaction (OER) processes for ZABs. The rechargeable liquid ZABs (LZABs) equipped with ZIF8@FePMPDA-920 display a high power density of 123.11 mW cm-2 and a long cycle life (300 h). The relevant flexible all-solid-state ZABs (FASSZABs) also display outstanding foldability and cyclical stability. This work provides a new perspective for the structural design of single-atom catalysts in the energy conversion and storage areas.
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Affiliation(s)
- Shilong Zhou
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
- Department of Chemistry and Chemical Engineering, Jiangsu University of Technology, Changzhou, 213001, China
| | - Chao Chen
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Jiawei Xia
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Le Li
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Xingyue Qian
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Muhammad Arif
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Fengxiang Yin
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Guohong Dai
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
- Department of Chemistry and Chemical Engineering, Jiangsu University of Technology, Changzhou, 213001, China
| | - Guangyu He
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Qun Chen
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Haiqun Chen
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
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An Z, Yang P, Duan D, Li J, Wan T, Kong Y, Caratzoulas S, Xiang S, Liu J, Huang L, Frenkel AI, Jiang YY, Long R, Li Z, Vlachos DG. Highly active, ultra-low loading single-atom iron catalysts for catalytic transfer hydrogenation. Nat Commun 2023; 14:6666. [PMID: 37863924 PMCID: PMC10589291 DOI: 10.1038/s41467-023-42337-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 10/05/2023] [Indexed: 10/22/2023] Open
Abstract
Highly effective and selective noble metal-free catalysts attract significant attention. Here, a single-atom iron catalyst is fabricated by saturated adsorption of trace iron onto zeolitic imidazolate framework-8 (ZIF-8) followed by pyrolysis. Its performance toward catalytic transfer hydrogenation of furfural is comparable to state-of-the-art catalysts and up to four orders higher than other Fe catalysts. Isotopic labeling experiments demonstrate an intermolecular hydride transfer mechanism. First principles simulations, spectroscopic calculations and experiments, and kinetic correlations reveal that the synthesis creates pyrrolic Fe(II)-plN3 as the active center whose flexibility manifested by being pulled out of the plane, enabled by defects, is crucial for collocating the reagents and allowing the chemistry to proceed. The catalyst catalyzes chemoselectively several substrates and possesses a unique trait whereby the chemistry is hindered for more acidic substrates than the hydrogen donors. This work paves the way toward noble-metal free single-atom catalysts for important chemical reactions.
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Affiliation(s)
- Zhidong An
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing, 102249, China
| | - Piaoping Yang
- Department of Chemical and Biomolecular Engineering and Catalysis Center for Energy Innovation, University of Delaware, 221 Academy St., Newark, DE, 19716, USA
| | - Delong Duan
- School of Chemistry and Materials Science, Frontiers Science Center for Planetary Exploration and Emerging Technologies, and National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Jiang Li
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing, 102249, China.
| | - Tong Wan
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing, 102249, China
| | - Yue Kong
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing, 102249, China
| | - Stavros Caratzoulas
- Department of Chemical and Biomolecular Engineering and Catalysis Center for Energy Innovation, University of Delaware, 221 Academy St., Newark, DE, 19716, USA
| | - Shuting Xiang
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Jiaxing Liu
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing, 102249, China
| | - Lei Huang
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing, 102249, China
| | - Anatoly I Frenkel
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Yuan-Ye Jiang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
| | - Ran Long
- School of Chemistry and Materials Science, Frontiers Science Center for Planetary Exploration and Emerging Technologies, and National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230026, China.
| | - Zhenxing Li
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing, 102249, China.
| | - Dionisios G Vlachos
- Department of Chemical and Biomolecular Engineering and Catalysis Center for Energy Innovation, University of Delaware, 221 Academy St., Newark, DE, 19716, USA.
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Liu J, Jia J, Wen H, Li S, Wu Y, Wang Q, Kan Z, Li Y, Wu X, Zhao J, Liu S, Li B. Axial optimization of biomimetic nanoenzyme catalysts applied to oxygen reduction reactions. Chem Commun (Camb) 2023; 59:3550-3553. [PMID: 36861748 DOI: 10.1039/d2cc06197j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
Inspired by the bio-oxygen oxidation/reduction processes of hemoglobin, iron-based transition metal-like enzyme catalysts have been explored as oxygen reduction reaction (ORR) electrocatalysts. We synthesized a chlorine-coordinated monatomic iron material (FeN4Cl-SAzyme) via a high temperature pyrolysis method as a catalyst for the ORR. The half-wave potential (E1/2) was 0.885 V, which exceeded those of Pt/C and the other FeN4X-SAzyme (X = F, Br, I) catalysts. Furthermore, through density functional theory (DFT) calculations, we systematically explored the better performance reason of FeN4Cl-SAzyme. This work offers a promising approach toward high-performance single atom electrocatalysts.
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Affiliation(s)
- Jingjing Liu
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Jingjing Jia
- College of Chemistry and Chemical Engineering, and Key Laboratory of Photonic and Electronic Bandgap Materials, Ministry of Education, Harbin Normal University, Harbin, 150025, China.
| | - Huiying Wen
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Siqi Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Yingjie Wu
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Qi Wang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Ziwang Kan
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Yan Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Xia Wu
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Jingxiang Zhao
- College of Chemistry and Chemical Engineering, and Key Laboratory of Photonic and Electronic Bandgap Materials, Ministry of Education, Harbin Normal University, Harbin, 150025, China.
| | - Song Liu
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
| | - Bin Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China.
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7
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Kinkelin SJ, Steimecke M, Dieterich E, Bron M. Structural, morphological and electrochemical characterization of the degradation processes during the oxygen reduction reaction of iron(II) phthalocyanine supported on carbon nanotubes. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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8
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Iron Redox Behavior and Oxygen Reduction Activity of Fe-N-C Electrocatalysts in Different Electrolytes. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.141934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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9
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Ji X, Chen P, Liu Y, Kang Z, Zhou H, Ji Z, Shen X, Song X, Zhu G. N-Doped Carbon as a Promoted Substrate for Ir Nanoclusters toward Hydrogen Oxidation in Alkaline Electrolytes. Inorg Chem 2022; 61:14187-14194. [PMID: 35998715 DOI: 10.1021/acs.inorgchem.2c02455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Development of effective electrocatalysts toward hydrogen oxidation with a low content of noble metals has attracted the attention of the catalytic community. In this work, a novel catalyst composed of nitrogen-doped carbon acting as the substrate and Ir nanoclusters as active species was prepared, which was then employed as an effective catalyst for the hydrogen oxidation reaction (HOR) in an alkaline electrolyte. In 0.1 M KOH, the optimized catalyst provides an exchange current density of 0.144 mA cmIr-2 for HOR that outperforms the catalytic activity of the commercial Pt/C catalyst with a Pt content of 20 wt %. The substrate induces highly active Ir sites that markedly boosted the electrocatalytic activity for HOR. The nitrogen-doped carbon substrate increases the stability of Ir nanoclusters and decreases the absorption energy of hydrogen on Ir sites; at the same time, the higher electrostatic potential around the adsorbed hydrogen on Ir/N-doped carbon also enables them to be easily attracted by OH- species, both of which enhanced the catalytic activity. The excellent catalytic activity and the understanding shown here will give some hints for the development of HOR catalysts used in alkaline electrolytes.
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Affiliation(s)
- Xiafang Ji
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Peng Chen
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuanjun Liu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Ziliang Kang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Hongbo Zhou
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Zhenyuan Ji
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaoping Shen
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaojie Song
- School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei, Anhui 230601, China
| | - Guoxing Zhu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
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10
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He C, Liang Y, Zhang W. Design of Novel Transition-Metal-Doped C 6N 2 with High-Efficiency Polysulfide Anchoring and Catalytic Performances toward Application in Lithium-Sulfur Batteries. ACS APPLIED MATERIALS & INTERFACES 2022; 14:29120-29130. [PMID: 35768945 DOI: 10.1021/acsami.2c07285] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Lithium-sulfur (Li-S) batteries are highly expected because of their high theoretical specific capacity and energy density. However, its application still faces challenges, including the shuttle effect affecting the sulfur reduction reaction, the high decomposition energy barrier of Li2S during charging, the volume change of sulfur, and the poor conductivity during charging and discharging. Here, combined with density functional theory and particle swarm optimization algorithm for the nitrogen carbide monolayer structural search (CmN8-m, m = 1-8), the surprising discovery is that a single metal-atom-doped C6N2 monolayer could effectively accelerate the conversion of lithium polysulfide and anchor lithium polysulfide during discharging and decrease the decomposition energy barrier of Li2S during charging. This "anchoring and catalyzing" mechanism effectively reduces the shuttle effect and greatly improves the reaction kinetics. Among a series of metal atoms, Cr is the best doping element, and it exhibits suitable adsorption energy for polysulfides and the lowest decomposition energy barrier for Li2S. This work opens up a new way for the development of transition-metal-doped carbon-nitrogen materials with an excellent catalytic activity for lithium polysulfide as cathode materials for Li-S batteries.
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Affiliation(s)
- Cheng He
- State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Yu Liang
- State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Wenxue Zhang
- School of Materials Science and Engineering, Chang'an University, Xi'an 710064, China
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11
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Iron atom-cluster interactions increase activity and improve durability in Fe-N-C fuel cells. Nat Commun 2022; 13:2963. [PMID: 35618792 PMCID: PMC9135695 DOI: 10.1038/s41467-022-30702-z] [Citation(s) in RCA: 86] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 05/13/2022] [Indexed: 11/09/2022] Open
Abstract
Simultaneously increasing the activity and stability of the single-atom active sites of M–N–C catalysts is critical but remains a great challenge. Here, we report an Fe–N–C catalyst with nitrogen-coordinated iron clusters and closely surrounding Fe–N4 active sites for oxygen reduction reaction in acidic fuel cells. A strong electronic interaction is built between iron clusters and satellite Fe–N4 due to unblocked electron transfer pathways and very short interacting distances. The iron clusters optimize the adsorption strength of oxygen reduction intermediates on Fe–N4 and also shorten the bond amplitude of Fe–N4 with incoherent vibrations. As a result, both the activity and stability of Fe–N4 sites are increased by about 60% in terms of turnover frequency and demetalation resistance. This work shows the great potential of strong electronic interactions between multiphase metal species for improvements of single-atom catalysts. It is challenging to break the activity–stability trade-off in Fe–N–C fuel cell catalysts. Here, the authors show that interactions between iron atoms and clusters accelerate reaction kinetics and suppress demetalation to improve fuel cell stability.
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12
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Zhang X, Zhang Q, Cui J, Yan J, Liu J, Wu Y. New insights into the key bifunctional role of sulfur in Fe-N-C single-atom catalysts for ORR/OER. NANOSCALE 2022; 14:3212-3223. [PMID: 35147142 DOI: 10.1039/d1nr07851h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Sulfur-doping of non-noble metal Fe-N-C single-atom catalysts (SACs) shows a key bifunctional role in promoting ORR and OER activity. The controversial claims about the enhanced ORR activity and the ambiguity of the OER activity brought about by S-doping demand in-depth investigation. Here, systematic theoretical investigation was carried out. Unlike previously believed, coordinative S-doping gives rise to a precisely regulated OOH* stabilization effect, which is revealed to be the origin of the bifunctional ORR/OER activity. The fine regulation is reflected in two aspects: (1) Compared with other intermediates, the regulation of OOH* adsorption is more obvious. (2) More sulfur-doping leads to excessive strong or weak stabilization, which is not conducive to ORR/OER. The single S doping elevates the charge density and opens the metallic spin channels of Fe-N3|S, moves the d-band center towards the Fermi level, all contributing to moderate OOH* stabilization. It is hoped that these results will promote the development of heteroatom-doped bifunctional SACs.
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Affiliation(s)
- Xiaofei Zhang
- Institute of Industry & Equipment Technology, Anhui Province Key Lab of Aerospace Structural Parts Forming Technology and Equipment, Hefei University of Technology, Hefei 230009, China.
| | - Qi Zhang
- Institute of Industry & Equipment Technology, Anhui Province Key Lab of Aerospace Structural Parts Forming Technology and Equipment, Hefei University of Technology, Hefei 230009, China.
| | - Jiewu Cui
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China
| | - Jian Yan
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China
| | - Jiaqin Liu
- Institute of Industry & Equipment Technology, Anhui Province Key Lab of Aerospace Structural Parts Forming Technology and Equipment, Hefei University of Technology, Hefei 230009, China.
| | - Yucheng Wu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China
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13
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Najam T, Ahmad Khan N, Ahmad Shah SS, Ahmad K, Sufyan Javed M, Suleman S, Sohail Bashir M, Hasnat MA, Rahman MM. Metal-Organic Frameworks Derived Electrocatalysts for Oxygen and Carbon Dioxide Reduction Reaction. CHEM REC 2022; 22:e202100329. [PMID: 35119193 DOI: 10.1002/tcr.202100329] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/22/2022] [Indexed: 12/26/2022]
Abstract
The increasing demands of energy and environmental concerns have motivated researchers to cultivate renewable energy resources for replacing conventional fossil fuels. The modern energy conversion and storage devices required high efficient and stable electrocatalysts to fulfil the market demands. In previous years, we are witness for considerable developments of scientific attention in Metal-organic Frameworks (MOFs) and their derived nanomaterials in electrocatalysis. In current review article, we have discussed the progress of optimistic strategies and approaches for the manufacturing of MOF-derived functional materials and their presentation as electrocatalysts for significant energy related reactions. MOFs functioning as a self-sacrificing template bid different benefits for the preparation of metal nanostructures, metal oxides and carbon-abundant materials promoting through the porous structure, organic functionalities, abundance of metal sites and large surface area. Thorough study for the recent advancement in the MOF-derived materials, metal-coordinated N-doped carbons with single-atom active sites are emerging candidates for future commercial applications. However, there are some tasks that should be addressed, to attain improved, appreciative and controlled structural parameters for catalytic and chemical behavior.
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Affiliation(s)
- Tayyaba Najam
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Naseem Ahmad Khan
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Syed Shoaib Ahmad Shah
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan.,Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Khalil Ahmad
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Muhammad Sufyan Javed
- School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, China
| | - Suleman Suleman
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Muhammad Sohail Bashir
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Mohammad A Hasnat
- Electrochemistry & Catalysis Research Laboratory (ECRL), Department of Chemistry, School of Physical Sciences, Shahjalal University of Science and Technology, Sylhet, 3100, Bangladesh
| | - Mohammed M Rahman
- Center of Excellence for Advanced Materials Research (CEAMR) & Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Jeddah, Saudi Arabia
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14
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Jiang B, Wang S, Meng F, Ju L, Jiang W, Ji Q, Quan HD. Enhancing ORR Activity of Fullerene-Derived Carbons by Implanting Fe in Assembled Diamine-C60 Spheres. CrystEngComm 2022. [DOI: 10.1039/d2ce00737a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fullerene-derived carbons have been demonstrated as effective electrode materials for electrocatalytic reactions. The rational arrangement of heteroatoms in the carbon structure is essential to yield high catalytic activity. Herein, assembled...
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15
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Chen G, Zhong H, Feng X. Active site engineering of single-atom carbonaceous electrocatalysts for the oxygen reduction reaction. Chem Sci 2021; 12:15802-15820. [PMID: 35024105 PMCID: PMC8672718 DOI: 10.1039/d1sc05867c] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 11/10/2021] [Indexed: 12/03/2022] Open
Abstract
The electrocatalytic oxygen reduction reaction (ORR) is the vital process at the cathode of next-generation electrochemical storage and conversion technologies, such as metal-air batteries and fuel cells. Single-metal-atom and nitrogen co-doped carbonaceous electrocatalysts (M-N-C) have emerged as attractive alternatives to noble-metal platinum for catalyzing the kinetically sluggish ORR due to their high electrical conductivity, large surface area, and structural tunability at the atomic level, however, their application is limited by the low intrinsic activity of the metal-nitrogen coordination sites (M-N x ) and inferior site density. In this Perspective, we summarize the recent progress and milestones relating to the active site engineering of single atom carbonous electrocatalysts for enhancing the ORR activity. Particular emphasis is placed on the emerging strategies for regulating the electronic structure of the single metal site and populating the site density. In addition, challenges and perspectives are provided regarding the future development of single atom carbonous electrocatalysts for the ORR and their utilization in practical use.
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Affiliation(s)
- Guangbo Chen
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden Mommsenstr. 4 01062 Dresden Germany
| | - Haixia Zhong
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden Mommsenstr. 4 01062 Dresden Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden Mommsenstr. 4 01062 Dresden Germany
- Department of Synthetic Materials and Functional Devices, Max Planck Institute of Microstructure Physics Weinberg 2 Halle (Saale) D-06120 Germany
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16
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Singh B, Gawande MB, Kute AD, Varma RS, Fornasiero P, McNeice P, Jagadeesh RV, Beller M, Zbořil R. Single-Atom (Iron-Based) Catalysts: Synthesis and Applications. Chem Rev 2021; 121:13620-13697. [PMID: 34644065 DOI: 10.1021/acs.chemrev.1c00158] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Supported single-metal atom catalysts (SACs) are constituted of isolated active metal centers, which are heterogenized on inert supports such as graphene, porous carbon, and metal oxides. Their thermal stability, electronic properties, and catalytic activities can be controlled via interactions between the single-metal atom center and neighboring heteroatoms such as nitrogen, oxygen, and sulfur. Due to the atomic dispersion of the active catalytic centers, the amount of metal required for catalysis can be decreased, thus offering new possibilities to control the selectivity of a given transformation as well as to improve catalyst turnover frequencies and turnover numbers. This review aims to comprehensively summarize the synthesis of Fe-SACs with a focus on anchoring single atoms (SA) on carbon/graphene supports. The characterization of these advanced materials using various spectroscopic techniques and their applications in diverse research areas are described. When applicable, mechanistic investigations conducted to understand the specific behavior of Fe-SACs-based catalysts are highlighted, including the use of theoretical models.
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Affiliation(s)
- Baljeet Singh
- CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193 Portugal
| | - Manoj B Gawande
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology Mumbai-Marathwada Campus, Jalna 431213, Maharashtra, India
| | - Arun D Kute
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology Mumbai-Marathwada Campus, Jalna 431213, Maharashtra, India
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University, 779 00 Olomouc, Czech Republic
| | - Paolo Fornasiero
- Department of Chemical and Pharmaceutical Sciences, Center for Energy, Environment and Transport Giacomo Ciamiciam, INSTM Trieste Research Unit and ICCOM-CNR Trieste Research Unit, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Peter McNeice
- Leibniz-Institut für Katalyse e. V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Rajenahally V Jagadeesh
- Leibniz-Institut für Katalyse e. V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany.,Department of Chemistry, REVA University, Bangalore 560064, India
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Radek Zbořil
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University, 779 00 Olomouc, Czech Republic.,CEET Nanotechnology Centre, VŠB-Technical University of Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava-Poruba, Czech Republic
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17
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Menga D, Low JL, Li YS, Arčon I, Koyutürk B, Wagner F, Ruiz-Zepeda F, Gaberšček M, Paulus B, Fellinger TP. Resolving the Dilemma of Fe-N-C Catalysts by the Selective Synthesis of Tetrapyrrolic Active Sites via an Imprinting Strategy. J Am Chem Soc 2021; 143:18010-18019. [PMID: 34689551 DOI: 10.1021/jacs.1c04884] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Combining the abundance and inexpensiveness of their constituent elements with their atomic dispersion, atomically dispersed Fe-N-C catalysts represent the most promising alternative to precious-metal-based materials in proton exchange membrane (PEM) fuel cells. Due to the high temperatures involved in their synthesis and the sensitivity of Fe ions toward carbothermal reduction, current synthetic methods are intrinsically limited in type and amount of the desired, catalytically active Fe-N4 sites, and high active site densities have been out of reach (dilemma of Fe-N-C catalysts). We herein identify a paradigm change in the synthesis of Fe-N-C catalysts arising from the developments of other M-N-C single-atom catalysts. Supported by DFT calculations we propose fundamental principles for the synthesis of M-N-C materials. We further exploit the proposed principles in a novel synthetic strategy to surpass the dilemma of Fe-N-C catalysts. The selective formation of tetrapyrrolic Zn-N4 sites in a tailor-made Zn-N-C material is utilized as an active-site imprint for the preparation of a corresponding Fe-N-C catalyst. By successive low- and high-temperature ion exchange reactions, we obtain a phase-pure Fe-N-C catalyst, with a high loading of atomically dispersed Fe (>3 wt %). Moreover, the catalyst is entirely composed of tetrapyrrolic Fe-N4 sites. The density of tetrapyrrolic Fe-N4 sites is more than six times as high as for previously reported tetrapyrrolic single-site Fe-N-C fuel cell catalysts.
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Affiliation(s)
- Davide Menga
- Chair of Technical Electrochemistry, Department of Chemistry and Catalysis Research Center, Technische Universität München (TUM), Lichtenbergstraße 4, 85748 Garching, Germany
| | - Jian Liang Low
- Chair for Theoretical Chemistry, Institut für Chemie und Biochemie, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Yan-Sheng Li
- Chair of Technical Electrochemistry, Department of Chemistry and Catalysis Research Center, Technische Universität München (TUM), Lichtenbergstraße 4, 85748 Garching, Germany
| | - Iztok Arčon
- Laboratory of Quantum Optics, University of Nova Gorica, SI-5001 Nova Gorica, Slovenia.,Department of Low and Medium Energy Physics, Jožef Stefan Institute, Jamova 39, SI-1001 Ljubljana, Slovenia
| | - Burak Koyutürk
- Chair of Technical Electrochemistry, Department of Chemistry and Catalysis Research Center, Technische Universität München (TUM), Lichtenbergstraße 4, 85748 Garching, Germany
| | - Friedrich Wagner
- Department of Physics, Technische Universität München (TUM), James-Franck-Straße 1, 85748 Garching, Germany
| | - Francisco Ruiz-Zepeda
- Department of Materials Chemistry, National Institute of Chemistry, Hajdrihova 10, SI-1000 Ljubljana, Slovenia
| | - Miran Gaberšček
- Department of Materials Chemistry, National Institute of Chemistry, Hajdrihova 10, SI-1000 Ljubljana, Slovenia
| | - Beate Paulus
- Chair for Theoretical Chemistry, Institut für Chemie und Biochemie, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Tim-Patrick Fellinger
- Chair of Technical Electrochemistry, Department of Chemistry and Catalysis Research Center, Technische Universität München (TUM), Lichtenbergstraße 4, 85748 Garching, Germany.,Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 44-46, 12203 Berlin, Germany
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18
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Boosting Oxygen Reduction Catalysis Through Electronic Reconfiguration of Fe–N–C Induced by P Doping. Electrocatalysis (N Y) 2021. [DOI: 10.1007/s12678-021-00682-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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19
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Xia D, Yu C, Zhao Y, Wei Y, Wu H, Kang Y, Li J, Gan L, Kang F. Degradation and regeneration of Fe-N x active sites for the oxygen reduction reaction: the role of surface oxidation, Fe demetallation and local carbon microporosity. Chem Sci 2021; 12:11576-11584. [PMID: 34567505 PMCID: PMC8409490 DOI: 10.1039/d1sc03754d] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 07/25/2021] [Indexed: 11/21/2022] Open
Abstract
The severe degradation of Fe-N-C electrocatalysts during a long-term oxygen reduction reaction (ORR) has become a major obstacle for application in proton-exchange membrane fuel cells. Understanding the degradation mechanism and regeneration of aged Fe-N-C catalysts would be of particular interest for extending their service life. Herein, we show that the by-product hydrogen peroxide during the ORR not only results in the oxidation of the carbon surface but also causes the demetallation of Fe active sites. Quantitative analysis reveals that the Fe demetallation constitutes the main reason for catalyst degradation, while previously reported carbon surface oxidation plays a minor role. We further reveal that post thermal annealing of the aged catalysts can transform the oxygen functional groups on the carbon surface into micropores. These newly formed micropores not only help to increase the active-site density but also the intrinsic ORR activity of the neighbouring Fe-N4 sites, both contributing to complete activity recovery of aged Fe-N-C catalysts.
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Affiliation(s)
- Dongsheng Xia
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
| | - Chenchen Yu
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
| | - Yinghao Zhao
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
| | - Yinping Wei
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
| | - Haiyan Wu
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
| | - Yongqiang Kang
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
| | - Jia Li
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
- Guangdong Provincial Key Laboratory of Thermal Management Engineering and Materials, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
| | - Lin Gan
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
| | - Feiyu Kang
- Institute of Materials Research and Shenzhen Geim Graphene Research Centre, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
- Guangdong Provincial Key Laboratory of Thermal Management Engineering and Materials, Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen 518055 P. R. China
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20
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Wang Y, Cui X, Peng L, Li L, Qiao J, Huang H, Shi J. Metal-Nitrogen-Carbon Catalysts of Specifically Coordinated Configurations toward Typical Electrochemical Redox Reactions. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2100997. [PMID: 34218474 DOI: 10.1002/adma.202100997] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/02/2021] [Indexed: 06/13/2023]
Abstract
Metal-nitrogen-carbon (M-N-C) material with specifically coordinated configurations is a promising alternative to costly Pt-based catalysts. In the past few years, great progress is made in the studies of M-N-C materials, including the structure modulation and local coordination environment identification via advanced synthetic strategies and characterization techniques, which boost the electrocatalytic performances and deepen the understanding of the underlying fundamentals. In this review, the most recent advances of M-N-C catalysts with specifically coordinated configurations of M-Nx (x = 1-6) are summarized as comprehensively as possible, with an emphasis on the synthetic strategy, characterization techniques, and applications in typical electrocatalytic reactions of the oxygen reduction reaction, oxygen evolution reaction, hydrogen evolution reaction, CO2 reduction reaction, etc., along with mechanistic exploration by experiments and theoretical calculations. Furthermore, the challenges and potential perspectives for the future development of M-N-C catalysts are discussed.
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Affiliation(s)
- Yongxia Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Environmental Science and Engineering, Donghua University, 2999 Ren'min North Road, Shanghai, 201620, China
| | - Xiangzhi Cui
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, P. R. China
| | - Luwei Peng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Environmental Science and Engineering, Donghua University, 2999 Ren'min North Road, Shanghai, 201620, China
| | - Lulu Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Environmental Science and Engineering, Donghua University, 2999 Ren'min North Road, Shanghai, 201620, China
| | - Jinli Qiao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Environmental Science and Engineering, Donghua University, 2999 Ren'min North Road, Shanghai, 201620, China
- Shanghai Institute of Pollution Control and Ecological Security, 1515 North Zhongshan Road, Shanghai, 200092, China
| | - Haitao Huang
- Department of Applied Physics, Hong Kong Polytechnic University, 11 Yucai road, Kowloon, Hong Kong, 999077, China
| | - Jianlin Shi
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China
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21
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Ding XB, Zhang L, Qin YH, Yang L, Wang C, Peng C. Highly porous Fe/N/C catalyst for oxygen reduction: the importance of pores. Chem Commun (Camb) 2021; 57:6935-6938. [PMID: 34156047 DOI: 10.1039/d1cc02047a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Fe/N/C full of ultrafine Fe-based species and pores is synthesized by pyrolyzing a g-C3N4-coordinated Fe matrix embedded in carbon for oxygen reduction. Enhanced oxygen reduction activity is observed on Fe/N/C with higher pore volume and the Fe/N/C catalyst with the largest pore volume shows the highest half-wave potential of 0.890 V.
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Affiliation(s)
- Xiao-Bo Ding
- Key Laboratory of Green Chemical Process of Ministry of Education, Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
| | - Li Zhang
- Key Laboratory of Green Chemical Process of Ministry of Education, Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
| | - Yuan-Hang Qin
- Key Laboratory of Green Chemical Process of Ministry of Education, Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
| | - Li Yang
- Key Laboratory of Green Chemical Process of Ministry of Education, Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
| | - Cunwen Wang
- Key Laboratory of Green Chemical Process of Ministry of Education, Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
| | - Changjun Peng
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
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22
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He J, Wan Y, Zhou W. ZIF-8 derived Fe‒N coordination moieties anchored carbon nanocubes for efficient peroxymonosulfate activation via non-radical pathways: Role of FeN x sites. JOURNAL OF HAZARDOUS MATERIALS 2021; 405:124199. [PMID: 33097349 DOI: 10.1016/j.jhazmat.2020.124199] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/01/2020] [Accepted: 10/04/2020] [Indexed: 06/11/2023]
Abstract
Developing high-efficient hybrids carbon catalysts for PMS-based advanced oxidation process (AOPs) are crucial in the field of environmental remediation. In this work, novel carbon nanocubes (xFe‒N‒C) with three-dimensional porous structure and abundant well-dispersed FeNx sites were obtained via a skillful cage-encapsulated-precursor pyrolysis strategy. The as-synthesized xFe‒N‒C exhibited superb activity for phenol degradation by activating peroxymonosulfate (PMS). Besides, the catalytic system not only possessed good recycling performance, wide pH adaptation and relatively low activation energy, but also had high resistance to environmental interference. Singlet oxygen (1O2) dominated non-radical process was responsible for phenol degradation rather than traditional radical pathways. Impressively, the doping level of Fe could regulate FeNx contents in catalysts, and the catalytic activity of xFe‒N‒C was greatly enhanced with increasing FeNx contents. Based on density functional theory calculations (DFT), the introduction of FeNx sites regulated the electronic structure of catalysts. Such electron-deficient Fe center acted as electron acceptor to receive electrons transmitted by the adsorbed PMS, thus generating highly reactive 1O2 for rapid phenol oxidation. This work provides a new insight into the innovation in transition metal-nitrogen hybrid carbon catalysts and highlights the pivotal roles of FeNx sites in 1O2 generation during PMS activation process.
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Affiliation(s)
- Jingjing He
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Yu Wan
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Wenjun Zhou
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China.
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23
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Timoshenko J, Roldan Cuenya B. In Situ/ Operando Electrocatalyst Characterization by X-ray Absorption Spectroscopy. Chem Rev 2021; 121:882-961. [PMID: 32986414 PMCID: PMC7844833 DOI: 10.1021/acs.chemrev.0c00396] [Citation(s) in RCA: 205] [Impact Index Per Article: 68.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Indexed: 12/18/2022]
Abstract
During the last decades, X-ray absorption spectroscopy (XAS) has become an indispensable method for probing the structure and composition of heterogeneous catalysts, revealing the nature of the active sites and establishing links between structural motifs in a catalyst, local electronic structure, and catalytic properties. Here we discuss the fundamental principles of the XAS method and describe the progress in the instrumentation and data analysis approaches undertaken for deciphering X-ray absorption near edge structure (XANES) and extended X-ray absorption fine structure (EXAFS) spectra. Recent usages of XAS in the field of heterogeneous catalysis, with emphasis on examples concerning electrocatalysis, will be presented. The latter is a rapidly developing field with immense industrial applications but also unique challenges in terms of the experimental characterization restrictions and advanced modeling approaches required. This review will highlight the new insight that can be gained with XAS on complex real-world electrocatalysts including their working mechanisms and the dynamic processes taking place in the course of a chemical reaction. More specifically, we will discuss applications of in situ and operando XAS to probe the catalyst's interactions with the environment (support, electrolyte, ligands, adsorbates, reaction products, and intermediates) and its structural, chemical, and electronic transformations as it adapts to the reaction conditions.
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Affiliation(s)
- Janis Timoshenko
- Department of Interface Science, Fritz-Haber Institute of the Max-Planck Society, 14195 Berlin, Germany
| | - Beatriz Roldan Cuenya
- Department of Interface Science, Fritz-Haber Institute of the Max-Planck Society, 14195 Berlin, Germany
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24
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Ahmed Z, Bagchi V. Current trends and perspectives on emerging Fe-derived noble-metal-free oxygen electrocatalysts. NEW J CHEM 2021. [DOI: 10.1039/d1nj05062a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This article discusses recent progress in the development of Fe-derived noble metal-free electrocatalysts, including the strategies used for design, synthesis, and assessment of their performance in alkaline conditions.
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Affiliation(s)
- Zubair Ahmed
- Institute of Nano Science and Technology (INST) Sector-81, Knowledge City, Sahibzada Ajit Singh Nagar, Punjab, 140306, India
| | - Vivek Bagchi
- Institute of Nano Science and Technology (INST) Sector-81, Knowledge City, Sahibzada Ajit Singh Nagar, Punjab, 140306, India
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A pyridinic Fe-N 4 macrocycle models the active sites in Fe/N-doped carbon electrocatalysts. Nat Commun 2020; 11:5283. [PMID: 33077736 PMCID: PMC7572418 DOI: 10.1038/s41467-020-18969-6] [Citation(s) in RCA: 141] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 09/22/2020] [Indexed: 11/09/2022] Open
Abstract
Iron- and nitrogen-doped carbon (Fe-N-C) materials are leading candidates to replace platinum catalysts for the oxygen reduction reaction (ORR) in fuel cells; however, their active site structures remain poorly understood. A leading postulate is that the iron-containing active sites exist primarily in a pyridinic Fe-N4 ligation environment, yet, molecular model catalysts generally feature pyrrolic coordination. Herein, we report a molecular pyridinic hexaazacyclophane macrocycle, (phen2N2)Fe, and compare its spectroscopic, electrochemical, and catalytic properties for ORR to a typical Fe-N-C material and prototypical pyrrolic iron macrocycles. N 1s XPS and XAS signatures for (phen2N2)Fe are remarkably similar to those of Fe-N-C. Electrochemical studies reveal that (phen2N2)Fe has a relatively high Fe(III/II) potential with a correlated ORR onset potential within 150 mV of Fe-N-C. Unlike the pyrrolic macrocycles, (phen2N2)Fe displays excellent selectivity for four-electron ORR, comparable to Fe-N-C materials. The aggregate spectroscopic and electrochemical data demonstrate that (phen2N2)Fe is a more effective model of Fe-N-C active sites relative to the pyrrolic iron macrocycles, thereby establishing a new molecular platform that can aid understanding of this important class of catalytic materials.
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Zhao J, Dumont JH, Martinez U, Macossay J, Artyushkova K, Atanassov P, Gupta G. Graphite Intercalation Compounds Derived by Green Chemistry as Oxygen Reduction Reaction Catalysts. ACS APPLIED MATERIALS & INTERFACES 2020; 12:42678-42685. [PMID: 32840099 DOI: 10.1021/acsami.0c09204] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Precious group metal (PGM) catalysts such as Pt supported on carbon supports are expensive catalysts utilized for the oxygen reduction reaction (ORR) due to their unmatched catalytic activity and durability. As an alternative, PGM-free ORR electrocatalysts that offer respectable catalytic activity are being pursued. Most of the notable PGM-free catalysts are obtained either from a bottom-up approach synthesis utilizing nitrogen-rich polymers as building blocks, or from a top down approach, where nitrogen and metal moieties are incorporated to carbonaceous matrixes. The systematic understanding of the origin of catalytic activity for either case is speculative and currently employed synthesis techniques typically generate large amounts of hazardous waste such as acids, oxidizing agents, and solvents. Herein, for the first time, we investigate the catalytic activity of graphite-based materials obtained via intercalation strategies that minimally perturb the graphitic backbone. Our outlined approaches demonstrate initial efforts to not only elucidate the role of each element but also significantly reduce the use of hazardous chemicals, which remains a pressing challenge. Graphite intercalation compounds (GIC) were obtained using fewer steps and solvent-free processes. X-ray diffraction and Raman results confirm the successful intercalation of FeCl3 between graphite layers. Electrochemical data shows that the ORR performance of FeCl3-intercalated GIC displays slight improvement where the onset potential reaches 0.77 V vs RHE in alkaline environments. However, expansion of the graphite and solvent-free incorporation of iron and nitrogen moieties resulted in a significant increase in ORR activity with onset potential to 0.89 V vs RHE, a maximum half-wave of 0.72 V vs RHE, and a limiting current of about 2.5 mA cm-2. We anticipate that the use of near solvent-free processes that result in a high yield of catalysts along with the fundamental insight into the origin of electrochemical activity will tremendously impact the methodologies for developing next-generation ORR catalysts.
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Affiliation(s)
- Jianchao Zhao
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
- Chemical Engineering Department, University of Louisville, Louisville, Kentucky 40292, United States
| | - Joseph H Dumont
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Ulises Martinez
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Javier Macossay
- Chemistry Department, University of Texas Rio Grande Valley, Edinburg, Texas 78539, United States
| | - Kateryna Artyushkova
- Chemical Engineering Department, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Plamen Atanassov
- Chemical & Biomolecular Engineering and National Fuel Cell Research Center, University of California, Irvine, California 92697, United States
| | - Gautam Gupta
- Chemical Engineering Department, University of Louisville, Louisville, Kentucky 40292, United States
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Zhang X, Liu Q, Shui J. Effect of Catalyst Layer Hydrophobicity on Fe−N−C Proton Exchange Membrane Fuel Cells. ChemElectroChem 2020. [DOI: 10.1002/celc.202000351] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xinyue Zhang
- School of Materials Science and Engineering Beihang University No. 37 Xueyuan Road Beijing 100083 China
| | - Qingtao Liu
- School of Materials Science and Engineering Beihang University No. 37 Xueyuan Road Beijing 100083 China
| | - Jianglan Shui
- School of Materials Science and Engineering Beihang University No. 37 Xueyuan Road Beijing 100083 China
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He Q, Meng Y, Zhang H, Zhang Y, Sun Q, Gan T, Xiao H, He X, Ji H. Amino-metalloporphyrin polymers derived Fe single atom catalysts for highly efficient oxygen reduction reaction. Sci China Chem 2020. [DOI: 10.1007/s11426-019-9703-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Jia N, Liu J, Liu Y, Wang L, Chen P, An Z, Chen X, Chen Y. In situ conversion of iron sulfide (FeS) to iron oxyhydroxide (γ-FeOOH) on N, S co-doped porous carbon nanosheets: An efficient electrocatalyst for the oxygen reduction reaction and zinc–air batteries. J Colloid Interface Sci 2020; 558:323-333. [DOI: 10.1016/j.jcis.2019.09.083] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 09/20/2019] [Accepted: 09/22/2019] [Indexed: 10/25/2022]
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Bai S, Zhang X, Yu Y, Li J, Yang Y, Wei H, Chu H. Fabricating Nitrogen‐Rich Fe−N/C Electrocatalysts through CeO
2
‐Assisted Pyrolysis for Enhanced Oxygen Reduction Reaction. ChemElectroChem 2019. [DOI: 10.1002/celc.201901167] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Suohong Bai
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Xueqiong Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Ying Yu
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Jiefei Li
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Yang Yang
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Hang Wei
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Haibin Chu
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
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Fe–N–C electrocatalyst with dense active sites and efficient mass transport for high-performance proton exchange membrane fuel cells. Nat Catal 2019. [DOI: 10.1038/s41929-019-0237-3] [Citation(s) in RCA: 646] [Impact Index Per Article: 129.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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