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Wen M, Sun N, Jiao L, Zang SQ, Jiang HL. Microwave-Assisted Rapid Synthesis of MOF-Based Single-Atom Ni Catalyst for CO 2 Electroreduction at Ampere-Level Current. Angew Chem Int Ed Engl 2024; 63:e202318338. [PMID: 38230982 DOI: 10.1002/anie.202318338] [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: 11/30/2023] [Revised: 01/16/2024] [Accepted: 01/16/2024] [Indexed: 01/18/2024]
Abstract
Carbon-based single-atom catalysts (SACs) have attracted tremendous interest in heterogeneous catalysis. However, the common electric heating techniques to produce carbon-based SACs usually suffer from prolonged heating time and tedious operations. Herein, a general and facile microwave-assisted rapid pyrolysis method is developed to afford carbon-based SACs within 3 min without inert gas protection. The obtained carbon-based SACs present high porosity and comparable carbonization degree to those obtained by electric heating techniques. Specifically, the single-atom Ni implanted N-doped carbon (Ni1 -N-C) derived from a Ni-doped metal-organic framework (Ni-ZIF-8) exhibits remarkable CO Faradaic efficiency (96 %) with a substantial CO partial current density (jCO ) up to 1.06 A/cm2 in CO2 electroreduction, far superior to the counterpart obtained by traditional pyrolysis with electric heating. Mechanism investigations reveal that the resulting Ni1 -N-C presents abundant defective sites and mesoporous structure, greatly facilitating CO2 adsorption and mass transfer. This work establishes a versatile approach to rapid and large-scale synthesis of SACs as well as other carbon-based materials for efficient catalysis.
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Affiliation(s)
- Ming Wen
- Henan Key Laboratory of Crystalline Molecular Functional Materials, Henan International Joint Laboratory of Tumor Theranostical Cluster Materials, Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, P. R. China
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Nana Sun
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Long Jiao
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui 230031, P. R. China
| | - Shuang-Quan Zang
- Henan Key Laboratory of Crystalline Molecular Functional Materials, Henan International Joint Laboratory of Tumor Theranostical Cluster Materials, Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, P. R. China
| | - Hai-Long Jiang
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui 230031, P. R. China
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2
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Hu N, Hang F, Li K, Liao T, Rackemann D, Zhang Z, Shi C, Xie C. Temperature-regulated formation of hierarchical pores and defective sites in MIL-121 for enhanced adsorption of cationic and anionic dyes. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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3
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Yuan P, Liao X, Cui H, Hao F, Xiong W, Luo H, Lv Y, Liu P. Decarboxylation-Induced Defects in MOF-Derived Ni@C Catalysts for Efficient Chemoselective Hydrogenation of Nitrocyclohexane to Cyclohexanone Oxime. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Affiliation(s)
- Pei Yuan
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Xiaoqing Liao
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Haishuai Cui
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
- College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411105, China
| | - Fang Hao
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Wei Xiong
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - He’an Luo
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
- Engineering Research Centre for Chemical Process Simulation and Optimization of Ministry of Education, Xiangtan University, Xiangtan 411105, China
- National & Local United Engineering Research Centre for Chemical Process Simulation and Intensification, Xiangtan University, Xiangtan 411105, China
| | - Yang Lv
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
- Engineering Research Centre for Chemical Process Simulation and Optimization of Ministry of Education, Xiangtan University, Xiangtan 411105, China
- National & Local United Engineering Research Centre for Chemical Process Simulation and Intensification, Xiangtan University, Xiangtan 411105, China
| | - Pingle Liu
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
- Engineering Research Centre for Chemical Process Simulation and Optimization of Ministry of Education, Xiangtan University, Xiangtan 411105, China
- National & Local United Engineering Research Centre for Chemical Process Simulation and Intensification, Xiangtan University, Xiangtan 411105, China
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Guo J, Li W, Xu Y, Mao Y, Mei Z, Li H, He Y, San X, Xu K, Liang X. Ionic Covalent Organic Frameworks-Derived Cobalt Single Atoms and Nanoparticles for Efficient Oxygen Electrocatalysis. SMALL METHODS 2023; 7:e2201371. [PMID: 36585369 DOI: 10.1002/smtd.202201371] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Metal single atoms show outstanding electrocatalytic activity owing to the abundant atomic reactive sites and superior stability. However, the preparation of single atoms suffers from inexorable metal aggregation which is harmful to electrocatalytic activity. Here, ionic covalent organic frameworks (iCOFs) are employed as the sacrificial precursor to mitigate the metal aggregation and subsequent formation of bulky particles. Molecular dynamics simulation shows that iCOFs can trap and confine more Co ions as compared to neutral COFs, resulting in the formation of a catalyst composed of Co single atoms and uniformly distributed Co nanoparticles (CoSA &CoNP-10 ). However, the neutral COFs derive a catalyst composed of Co atomic clusters and large Co nanoparticles (CoAC &CoNP-25 ). The CoSA &CoNP-10 catalyst exhibits higher oxygen bifunctional electrocatalytic activities than CoAC &CoNP-25 , coinciding with the density functional theory results. Taking the CoSA &CoNP-10 as the air cathode in Zn-air batteries (ZABs), the aqueous ZAB presents a high power density of 181 mW cm-2 , a specific capacity of 811 mAh g-1 as well as a long cycle life of 407 h at a current density of 10 mA cm-2 , while the quasi-solid state ZAB displays a power density of 179 mW cm-2 and the cycle life of 30 h.
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Affiliation(s)
- Jiaming Guo
- Guangxi Key Laboratory of Nuclear Physics and Technology, Department of Physics, Guangxi Normal University, Guilin, 541004, China
| | - Wenqiong Li
- Guangxi Key Laboratory of Nuclear Physics and Technology, Department of Physics, Guangxi Normal University, Guilin, 541004, China
| | - Yuncun Xu
- Guangxi Key Laboratory of Nuclear Physics and Technology, Department of Physics, Guangxi Normal University, Guilin, 541004, China
| | - Yanqi Mao
- Guangxi Key Laboratory of Nuclear Physics and Technology, Department of Physics, Guangxi Normal University, Guilin, 541004, China
| | - Zhiwei Mei
- Guangxi Key Laboratory of Nuclear Physics and Technology, Department of Physics, Guangxi Normal University, Guilin, 541004, China
| | - Haihan Li
- Guangxi Key Laboratory of Nuclear Physics and Technology, Department of Physics, Guangxi Normal University, Guilin, 541004, China
| | - Yun He
- Guangxi Key Laboratory of Nuclear Physics and Technology, Department of Physics, Guangxi Normal University, Guilin, 541004, China
| | - Xingyuan San
- Hebei Key Laboratory of Optic-electronic Information and Materials, The College of Physics Science and Technology, Hebei University, Baoding, 071002, China
| | - Kui Xu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211816, China
| | - Xiaoguang Liang
- Guangxi Key Laboratory of Nuclear Physics and Technology, Department of Physics, Guangxi Normal University, Guilin, 541004, China
- Guangxi Key Laboratory of Low Carbon Energy Materials, Guangxi Normal University, Guilin, 541004, China
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Sun P, Qiao Z, Wang S, Li D, Liu X, Zhang Q, Zheng L, Zhuang Z, Cao D. Atomically Dispersed Zn-Pyrrolic-N 4 Cathode Catalysts for Hydrogen Fuel Cells. Angew Chem Int Ed Engl 2023; 62:e202216041. [PMID: 36478109 DOI: 10.1002/anie.202216041] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/07/2022] [Accepted: 12/07/2022] [Indexed: 12/12/2022]
Abstract
To achieve practical application of fuel cell, it is vital to develop highly efficient and durable Pt-free catalysts. Herein, we prepare atomically dispersed ZnNC catalysts with Zn-Pyrrolic-N4 moieties and abundant mesoporous structure. The ZnNC-based anion-exchange membrane fuel cell (AEMFC) presents an ultrahigh peak power density of 1.63 and 0.83 W cm-2 in H2 -O2 and H2 -air (CO2 -free), and also exhibits long-term stability with more than 120 and 100 h for H2 -air (CO2 -free) and H2 -O2 , respectively. Density functional calculations further unveil that the Zn-Pyrrolic-N4 structure is the origin of high activity of as-synthesized ZnNC catalyst, while the Zn-Pyridinic-N4 moiety is inactive for oxygen reduction reaction (ORR), which successfully explain the puzzle why most Zn-metal-organic framework -derived ZnNC catalysts in previous reports did not present good ORR activity because of their Zn-Pyridinic-N4 moieties. This work offers a new route for speeding up development of AEMFCs.
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Affiliation(s)
- Panpan Sun
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zelong Qiao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Shitao Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Danyang Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xuerui Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Qinghua Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhongbin Zhuang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Dapeng Cao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
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Zhang J, Wang M, Wan T, Shi H, Lv A, Xiao W, Jiao S. Novel (Pt-O x )-(Co-O y ) Nonbonding Active Structures on Defective Carbon from Oxygen-Rich Coal Tar Pitch for Efficient HER and ORR. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2206960. [PMID: 36111463 DOI: 10.1002/adma.202206960] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/02/2022] [Indexed: 06/15/2023]
Abstract
Atomic-scale utilization and coordination structure of Pt electrocatalyst is extremely crucial to decrease loading mass and maximize activity for hydrogen evolution reactions (HERs) and oxygen reduction reactions (ORRs). A novel atomic-scale (Pt-Ox )-(Co-Oy ) nonbonding active structure is designed and constructed by anchoring Pt single atoms and Co atomic clusters on the defective carbon derived from oxygen-rich coal tar pitch (CTP). The Pt loading mass is extremely low and only 0.56 wt%. A new nonbonding interaction phenomenon between Pt-Ox and Co-Oy is found and confirmed based on X-ray absorption spectroscopy and density functional theory calculations. Based on the (Pt-Ox )-(Co-Oy ) nonbonding active structure, surface chemical field coupling with electrocatalysis for the HER and ORR is confirmed. It is found that the (Pt-Ox )-(Co-Oy ) nonbonding active structure exhibits high mass activities of 64.4 A cm-2 mgPt -1 (at an overpotential of 100 mV) and 7.2 A cm-2 mgPt -1 (at 0.8 V vs reversible hydrogen electrode) for the HER and ORR, respectively. The values are 6.5 and 11.6 times as much as those of commercial 20% Pt/C. The work provides innovative insight to design and understand efficient active sites of atomic-scale Pt on oxygen-rich CTP-derived carbon supports for electrocatalysis.
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Affiliation(s)
- Jintao Zhang
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Mingyong Wang
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
- Beijing Key Laboratory of Green Recovery and Extraction of Rare and Precious Metals, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Tingting Wan
- College of Chemistry and Molecular Sciences, Hubei Key Laboratory of Electrochemical Power Sources, Wuhan University, Wuhan, 430072, P. R. China
| | - Haotian Shi
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Aijing Lv
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Wei Xiao
- College of Chemistry and Molecular Sciences, Hubei Key Laboratory of Electrochemical Power Sources, Wuhan University, Wuhan, 430072, P. R. China
| | - Shuqiang Jiao
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
- Beijing Key Laboratory of Green Recovery and Extraction of Rare and Precious Metals, University of Science and Technology Beijing, Beijing, 100083, P. R. China
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Li W, Ye B, Yang J, Wang Y, Yang C, Pan Y, Tang H, Wang D, Li Y. A Single‐Atom Cobalt Catalyst for the Fluorination of Acyl Chlorides at Parts‐per‐Million Catalyst Loading. Angew Chem Int Ed Engl 2022; 61:e202209749. [DOI: 10.1002/anie.202209749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Wen‐Hao Li
- Department of Chemistry Tsinghua University Beijing 100084 China
| | - Bo‐Chao Ye
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541004 China
| | - Jiarui Yang
- Department of Chemistry Tsinghua University Beijing 100084 China
| | - Ye Wang
- Department of Chemistry Tsinghua University Beijing 100084 China
| | - Chang‐Jie Yang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541004 China
| | - Ying‐Ming Pan
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541004 China
| | - Hai‐Tao Tang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541004 China
| | - Dingsheng Wang
- Department of Chemistry Tsinghua University Beijing 100084 China
| | - Yadong Li
- Department of Chemistry Tsinghua University Beijing 100084 China
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8
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Li WH, Ye BC, Yang J, Wang Y, Yang CJ, Pan YM, Tang HT, Wang D, Li Y. A Single‐Atom Cobalt Catalyst for the Fluorination of Acyl Chlorides at Parts‐per‐Million Catalyst Loading. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wen-Hao Li
- Tsinghua University Department of Chemistry CHINA
| | - Bo-Chao Ye
- Guangxi Normal University School of Chemistry and Pharmaceutical Sciences CHINA
| | - Jiarui Yang
- Tsinghua University Department of Chemistry CHINA
| | - Ye Wang
- Tsinghua University Department of Chemistry CHINA
| | - Chang-Jie Yang
- Guangxi Normal University School of Chemistry and Pharmaceutical Sciences CHINA
| | - Ying-Ming Pan
- Guangxi Normal University School of Chemistry and Pharmaceutical Sciences CHINA
| | - Hai-Tao Tang
- Guangxi Normal University School of Chemistry and Pharmaceutical Sciences CHINA
| | - Dingsheng Wang
- Tsinghua University Department of Chemistry Haidian 100084 Beijing CHINA
| | - Yadong Li
- Tsinghua University Department of Chemistry CHINA
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