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Han Y, Liu Z, Wang C, Guo L, Wang Y. Construction of rod-like cobalt-pyridinedicarboxylic acid/MXene nanosheets composites for hydrogen evolution reaction and supercapacitor. J Colloid Interface Sci 2024; 661:139-149. [PMID: 38295696 DOI: 10.1016/j.jcis.2024.01.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 01/04/2024] [Accepted: 01/22/2024] [Indexed: 02/27/2024]
Abstract
Metal-organic frameworks (MOFs) have attracted considerable attention in the field of energy storage and conversion due to their large specific surface area, regulatable pore structure and composition. However, the poor electrical conductivity and few active sites of MOFs impede their application. Herein, highly conductive MXene nanosheets are introduced to modulate the electronic conductivity and structure of rod-like Co-pyridinedicarboxylic acid (Co-PDC), and thus enhancing the electrochemical performance of MOFs. The heterostructural Co-PDC/MXene (CPM) was facily synthesized at room temperature. The as-prepared CPM-30 with 30 % MXene only requires the overpotential of 75.1 mV to achieve a current density of 10 mA cm-2 for hydrogen evolution reaction (HER), and the assembled electrolytic cell with CPM-30 and RuO2 as cathode and anode electrodes can achieve a current density of 10 mA cm-2 at a voltage of 1.65 V. In addition, CPM-10 exhibits a high specific capacitance of 583.1 F g-1 at 0.5 A g-1 and an excellent rate performance of 41.6 % at 50 A g-1. Furthermore, the assembled asymmetric supercapacitor CPM-10//AC exhibited an energy density of 15.55 Wh kg-1 at a power density of 750 W kg-1 and excellent stability with a capacitance retention rate of 95 % after 10,000 cycles. The excellent electrochemical properties of Co-PDC/MXene are attributed to the unique structure and synergistic effect of Co-PDC and MXene.
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Affiliation(s)
- Yuhao Han
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China; Institute of Advanced Energy Materials and System, North University of China, Taiyuan 030051, PR China
| | - Zijie Liu
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China; Institute of Advanced Energy Materials and System, North University of China, Taiyuan 030051, PR China
| | - Chao Wang
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China; Institute of Advanced Energy Materials and System, North University of China, Taiyuan 030051, PR China
| | - Li Guo
- Institute of Advanced Energy Materials and System, North University of China, Taiyuan 030051, PR China
| | - Yanzhong Wang
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China; Institute of Advanced Energy Materials and System, North University of China, Taiyuan 030051, PR China.
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Fu Q, Wang H, Nie K, Wang X, Ren J, Wang R. Phosphorus/sulfur co-doped heterogeneous NiCoP xS y nanoarrays boosting overall water splitting. J Colloid Interface Sci 2024; 653:443-453. [PMID: 37725874 DOI: 10.1016/j.jcis.2023.09.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/09/2023] [Accepted: 09/11/2023] [Indexed: 09/21/2023]
Abstract
In the large-scale implementation of renewable energy devices, the availability of stable and highly catalytic non-precious metal catalysts for the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is crucial. Meanwhile, integrating bifunctional electrocatalysts simultaneously on both the anode and cathode still faces challenges. To address this, a stepped preparation strategy was adopted on a nickel foam (NF) substrate to synthesize P, S co-doped NiCoPxSy nanowire array catalysts. The prepared NiCoPxSy catalysts demonstrated a small Tafel slope of 72.5 mV dec-1 for HER and 72.3 mV dec-1 for OER by requiring only 37 mV (326 mV) overpotential to achieve a current density of 10 mA cm-2 (50 mA cm-2). Moreover, when assembled into an electrolytic cell in 1 M KOH, the NiCoPxSy catalysts achieved a low voltage of 1.55 V at 10 mA cm-2 current density and exhibited long-term stability. The outstanding electrocatalytic performance can be attributed to the influence of doped anions on the electronic states and distribution among different atoms, which thereby positively affected the electrocatalytic activity. This research provides an effective method for designing innovative catalysts and paving the way to produce clean energy.
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Affiliation(s)
- Qianqian Fu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Hui Wang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Kunlun Nie
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xuyun Wang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Jianwei Ren
- Department of Mechanical Engineering Science, University of Johannesburg, Cnr Kingsway and University Roads, Auckland Park 2092, Johannesburg, South Africa.
| | - Rongfang Wang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; Changshu Institute for Hydrogen Energy, Changshu 215505, China
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Zhang X, Xu G, Zhang L. Solvent-induced structural regulation over Ni 2P/CNT hybrids towards boosting the performance of supercapacitors. Dalton Trans 2023; 52:6763-6772. [PMID: 37129500 DOI: 10.1039/d3dt00517h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Although nickel-based phosphides have attracted increasing attention due to their good theoretical specific capacity, the poor rate capability weakness their advantage in electrochemical energy storage. It is, however, challenging to improve these issues by only adjusting composition. Here, we employ a synergistic strategy, both hybridizing with highly conductive materials and regulating morphology, to enhance the electrochemical performance of Ni2P. Based on solvent-induced effects, flower/rod-like [CH3NH3][Ni(HCOO)3] precursors hybridized with CNTs are prepared and then employed as templates to construct flower/rod-like Ni2P/CNT hybrids via a gas-solid phosphorization method. Benefiting from the synergistic advantages of both structure and components, the flower-like Ni2P/CNT hybrid, as an electrode materials for supercapacitor, exhibit outstanding specific capacitance of up to 1480 F g-1 at 1 A g-1, as well as improved rate capability. Additionally, the assembled asymmetric supercapacitor (Ni2P/CNTs//AC, ASC) delivers a high capacitance retention of up to 83.5% after 5000 cycles at 10 A g-1, and an expected energy density of 25.2 W h kg-1 at a power density of 749.8 W kg-1.
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Affiliation(s)
- Xiuli Zhang
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, PR China.
| | - Guancheng Xu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, PR China.
| | - Li Zhang
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, PR China.
- College of Chemical Engineering, Xinjiang University, Urumqi, 830017, Xinjiang, PR China
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Jiang J, Wei W, Tang Y, Yang S, Wang X, Xu Y, Ai L. In Situ Implantation of Bi 2S 3 Nanorods into Porous Quasi-Bi-MOF Architectures: Enabling Synergistic Dissociation of Borohydride for an Efficient and Fast Catalytic Reduction of 4-Nitrophenol. Inorg Chem 2022; 61:19847-19856. [PMID: 36453837 DOI: 10.1021/acs.inorgchem.2c03073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Catalytic hydrogenation reduction based on sodium borohydride (NaBH4) has gained attention as an appealing "one-stone-two-birds" approach for the simultaneous elimination of nitroaromatic pollutants and the production of high-value aminoaromatics under mild conditions. However, the slow kinetics of NaBH4 dissociation on the surface of catalysts restrict the catalytic hydrogenation reduction efficiency. Herein, we report an intelligent localized sulfidation strategy for an in situ implantation of Bi2S3 nanorods within quasi-Bi-MOF architectures (Bi2S3@quasi-Bi-MOF) by fine-tuning the pyrolysis temperature. In this novel Bi2S3@quasi-Bi-MOF, the porous quasi-Bi-MOF enables efficient adsorption of BH4- and 4-nitrophenol (4-NP), while Bi2S3 facilitates the BH4- dissociation to form Hads* species adsorbed on the catalyst surface. Benefiting from the synergistic structure, Bi2S3@quasi-Bi-MOF exhibits excellent performance for the catalytic reduction of 4-NP, delivering a high turnover frequency (TOF) of 1.67 × 10-4 mmol mg-1 min-1 and an extremely high normalized rate constant (knor) of 435298 s-1 g-1. The kinetic analysis and electrochemical tests indicate that this catalytic hydrogenation reduction follows the Langmuir-Hinshelwood mechanism. This study enriches the synthetic strategy of MOF-based derivatives and offers a new catalytic platform for hydrogenation reduction reactions.
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Affiliation(s)
- Jing Jiang
- College of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China
| | - Wei Wei
- College of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China
| | - Ying Tang
- College of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China
| | - Shiyu Yang
- College of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China
| | - Xinzhi Wang
- College of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China
| | - Ying Xu
- College of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China
| | - Lunhong Ai
- College of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China
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Ye SY, Wu JQ, Yu BB, Hua YW, Han Z, He ZY, Yan Z, Li ML, Meng Y, Cao X. Highly Stable Two-Dimensional Cluster-Based Ni/Co–Organic Layers for High-Performance Supercapacitors. Inorg Chem 2022; 61:18743-18751. [DOI: 10.1021/acs.inorgchem.2c03226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Si-Yuan Ye
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Jia-Qian Wu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Bin-Bin Yu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Yi-Wei Hua
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Zongsu Han
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (MOE), Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Zi-Yi He
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Zheng Yan
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Meng-Li Li
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Yan Meng
- Anhui Province Key Laboratory of Optoelectronic and Magnetism Functional Materials, Key Laboratory of Functional Coordination Compounds of Anhui Higher Education Institutes, Anqing Normal University, Anqing 246011, P. R. China
| | - Xuebo Cao
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
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Proton conduction and electrochemical enzyme-free glucose sensitive sensing based on a newly constructed Co-MOF and its composite with hydroxyl carbon nanotubes. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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