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Dung DT, Lam DV, Roh E, Ji S, Yuk JM, Kim JH, Kim H, Lee SM. Ni/Co/Co 3O 4@C nanorods derived from a MOF@MOF hybrid for efficient overall water splitting. NANOSCALE 2023; 15:1794-1805. [PMID: 36602000 DOI: 10.1039/d2nr05686k] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The design of nanostructured materials for efficient bifunctional electrocatalysts has gained tremendous attention, yet developing a fast and effective synthesis strategy remains a challenge. Here, we present a fast and scalable synthetic method of Ni/Co/Co3O4@C nanorods for efficient overall water splitting. Using microwave synthesis, we first produced a unique Ni-MOF@Co-MOF in a few minutes. Subsequently, we transformed the MOF@MOF into hybrid Ni/Co/Co3O4 nanoparticles covered with graphitic carbon in a few seconds using laser-scribing. The prepared bimetallic catalysts showed remarkably low overpotentials of 246 mV for the oxygen evolution reaction (OER) and 143 mV for the hydrogen evolution reaction (HER) at a current density of 30 mA cm-2. An electrolyzer assembled with the bimetallic catalysts delivered a high current density of 20 mA cm-2 at a voltage of 1.6 V and exhibited good durability (nearly 91.6% retention even after a long-running operation of 24 h at a voltage of 1.52 V). Our proposed method could serve as a powerful method for creating various multimetallic hybrid nanocatalysts with unique hierarchical structures from diverse MOFs.
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Affiliation(s)
- Dao Thi Dung
- Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, South Korea.
- University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, South Korea
| | - Do Van Lam
- Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, South Korea.
| | - Euijin Roh
- Korea Institute of Energy Research (KIER), 152 Gajeong-ro, Yuseong-gu, Daejeon 34129, South Korea
| | - Sanghyeon Ji
- Korea Advanced Institute of Science and Technology (KAIST), 291 Deahak-ro, Yuseong-gu, Deajeon, 34141, South Korea
| | - Jong Min Yuk
- Korea Advanced Institute of Science and Technology (KAIST), 291 Deahak-ro, Yuseong-gu, Deajeon, 34141, South Korea
| | - Jae-Hyun Kim
- Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, South Korea.
- University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, South Korea
| | - Hyunuk Kim
- University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, South Korea
- Korea Institute of Energy Research (KIER), 152 Gajeong-ro, Yuseong-gu, Daejeon 34129, South Korea
| | - Seung-Mo Lee
- Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, South Korea.
- University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, South Korea
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2
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Chen M, Hu Y, Liang K, Zhao Z, Luo Y, Luo S, Ma J. Interface engineering triggered by carbon nanotube-supported multiple sulfides for boosting oxygen evolution. NANOSCALE 2021; 13:18763-18772. [PMID: 34747966 DOI: 10.1039/d1nr04540g] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Finding an efficient, stable and cheap oxygen evolution reaction (OER) catalyst is very important for renewable energy conversion systems. There are relatively few related research reports due to the thermodynamic instability of transition metal sulfides (TMSs) at the oxidation potential and these are usually focused on single metal sulfides or bimetal sulfides. Metal sulfide mixture systems are rarely studied. The fabrication of a TMS/TMS interface is a feasible method to improve the kinetics of the OER. Here, we constructed TMS hybrid electrocatalysts with multiple phase interfaces for the oxygen evolution reaction, named S-CoFe/CNTs. The results show that the S-CoFe/CNT catalyst exhibits a low overpotential of 258 mV to achieve a current density of 10 mA cm-2, and has high activity in the OER process. Meanwhile, the catalyst also shows a low Tafel slope (69 mV dec-1) and good stability. This can be attributed to the synergistic catalysis of the multiphase interface in the catalyst and the rapid electron transfer pathway brought by CNTs. The new strategy for the synthesis of catalysts containing the TMS/TMS interface provides a new idea and method for the development of efficient and practical water splitting catalysts.
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Affiliation(s)
- Ming Chen
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China.
| | - Yiping Hu
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China.
| | - Kun Liang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China.
| | - Ziming Zhao
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China.
| | - Yutong Luo
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China.
| | - Sha Luo
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China.
| | - Jiantai Ma
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China.
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Chang HW, Dong CL, Chen YH, Xu YZ, Huang TC, Chen SC, Liu FJ, Lai YH, Tsai YC. Extended Graphite Supported Flower-like MnO 2 as Bifunctional Materials for Supercapacitors and Glucose Sensing. NANOMATERIALS 2021; 11:nano11112881. [PMID: 34835646 PMCID: PMC8623433 DOI: 10.3390/nano11112881] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/20/2021] [Accepted: 10/24/2021] [Indexed: 11/17/2022]
Abstract
A simple, efficient, and cost-effective extended graphite as a supporting platform further supported the MnO2 growth for the construction of hierarchical flower-like MnO2/extended graphite. MnO2/extended graphite exhibited an increase in sp2 carbon bonds in comparison with that of extended graphite. It can be expected to display better electrical conductivity and further promote electron/ion transport kinetics for boosting the electrochemical performance in supercapacitors and glucose sensing. In supercapacitors, MnO2/extended graphite delivered an areal capacitance value of 20.4 mF cm−2 at 0.25 mA cm−2 current densities and great cycling stability (capacitance retention of 83% after 1000 cycles). In glucose sensing, MnO2/extended graphite exhibited a good linear relationship in glucose concentration up to about 5 mM, sensitivity of 43 μA mM−1cm−2, and the limit of detection of 0.081 mM. It is further concluded that MnO2/extended graphite could be a good candidate for the future design of synergistic multifunctional materials in electrochemical techniques.
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Affiliation(s)
- Han-Wei Chang
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan; (Y.-H.C.); (Y.-Z.X.); (T.-C.H.); (S.-C.C.); (F.-J.L.)
- Pesticide Analysis Center, National United University, Miaoli 360302, Taiwan
- Correspondence: (H.-W.C.); (Y.-H.L.); (Y.-C.T.); Tel.: +886-37-382216 (H.-W.C.); +886-37-382206 (Y.-H.L.); +886-4-22857257 (Y.-C.T.); Fax: +886-37-382189 (H.-W.C.); +886-37-382189 (Y.-H.L.); +886-4-22854734 (Y.-C.T.)
| | - Chung-Li Dong
- Department of Physics, Tamkang University, Tamsui, New Taipei City 25137, Taiwan;
| | - Yan-Hua Chen
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan; (Y.-H.C.); (Y.-Z.X.); (T.-C.H.); (S.-C.C.); (F.-J.L.)
| | - Yuan-Zhang Xu
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan; (Y.-H.C.); (Y.-Z.X.); (T.-C.H.); (S.-C.C.); (F.-J.L.)
| | - Tzu-Chi Huang
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan; (Y.-H.C.); (Y.-Z.X.); (T.-C.H.); (S.-C.C.); (F.-J.L.)
| | - Song-Chi Chen
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan; (Y.-H.C.); (Y.-Z.X.); (T.-C.H.); (S.-C.C.); (F.-J.L.)
| | - Feng-Jiin Liu
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan; (Y.-H.C.); (Y.-Z.X.); (T.-C.H.); (S.-C.C.); (F.-J.L.)
- Pesticide Analysis Center, National United University, Miaoli 360302, Taiwan
| | - Yin-Hung Lai
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan; (Y.-H.C.); (Y.-Z.X.); (T.-C.H.); (S.-C.C.); (F.-J.L.)
- Pesticide Analysis Center, National United University, Miaoli 360302, Taiwan
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Correspondence: (H.-W.C.); (Y.-H.L.); (Y.-C.T.); Tel.: +886-37-382216 (H.-W.C.); +886-37-382206 (Y.-H.L.); +886-4-22857257 (Y.-C.T.); Fax: +886-37-382189 (H.-W.C.); +886-37-382189 (Y.-H.L.); +886-4-22854734 (Y.-C.T.)
| | - Yu-Chen Tsai
- Department of Chemical Engineering, National Chung Hsing University, Taichung 40227, Taiwan
- Correspondence: (H.-W.C.); (Y.-H.L.); (Y.-C.T.); Tel.: +886-37-382216 (H.-W.C.); +886-37-382206 (Y.-H.L.); +886-4-22857257 (Y.-C.T.); Fax: +886-37-382189 (H.-W.C.); +886-37-382189 (Y.-H.L.); +886-4-22854734 (Y.-C.T.)
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Effect of Oxygen-Containing Group on the Catalytic Performance of Zn/C Catalyst for Acetylene Acetoxylation. NANOMATERIALS 2021; 11:nano11051174. [PMID: 33947082 PMCID: PMC8146244 DOI: 10.3390/nano11051174] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 04/25/2021] [Accepted: 04/27/2021] [Indexed: 11/17/2022]
Abstract
In this study, a series of activated carbon-based supports with different oxygen-containing groups (OCGs) proportions were obtained via thermal treatment in an ozone flow. Semiquantitative analyses indicated that the performance of the catalyst attained a maximum after 30 min of treatment with ozone flow, and had a positive correlation with the content ratios of carboxyl and hydroxyl groups. Further, temperature-programmed desorption analysis demonstrated that the high performance (63% acetic acid conversion) of the prepared catalyst for the acetoxylation of acetylene could be ascribed to the reduced strength of increased capacity of acetylene adsorption. Density functional theory proved that the additional –COOH in the dicarboxylic catalytic system could be employed as a support for the active sites, and enhancing C2H2 adsorption strength in the rate-limiting step in the actual experimental process effectively accelerated the reaction rate. Thus, the OCGs on the surface of activated carbon play a crucial role in the catalytic performance of the acetylene acetoxylation catalyst.
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Yao S, Wei H, Zhang Y, Zhang X, Wang Y, Liu J, Tan HH, Xie T, Wu Y. Controlled growth of porous oxygen-deficient NiCo 2O 4 nanobelts as high-efficiency electrocatalysts for oxygen evolution reaction. Catal Sci Technol 2021. [DOI: 10.1039/d0cy01669a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
NiCo2O4 with a controlled oxygen vacancy concentration introduced by an Ar-annealing process greatly improved OER activity.
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Affiliation(s)
- Shangzhi Yao
- School of Materials Science and Engineering
- Hefei University of Technology
- Hefei 230009
- China
- Key Laboratory of Advanced Functional Materials and Devices of Anhui Province
| | - Haoshan Wei
- School of Materials Science and Engineering
- Hefei University of Technology
- Hefei 230009
- China
- Key Laboratory of Advanced Functional Materials and Devices of Anhui Province
| | - Yong Zhang
- School of Materials Science and Engineering
- Hefei University of Technology
- Hefei 230009
- China
- Key Laboratory of Advanced Functional Materials and Devices of Anhui Province
| | - Xueru Zhang
- Instrumental Analysis Center
- Hefei University of Technology
- Hefei 230009
- China
| | - Yan Wang
- School of Materials Science and Engineering
- Hefei University of Technology
- Hefei 230009
- China
- Key Laboratory of Advanced Functional Materials and Devices of Anhui Province
| | - Jiaqin Liu
- Institute of Industry & Equipment Technology
- Hefei University of Technology
- Hefei 230009
- China
| | - Hark Hoe Tan
- China International S&T Cooperation Base for Advanced Energy and Environmental Materials
- Hefei 230009
- China
- Department of Electronic Materials Engineering
- Research School of Physics and Engineering
| | - Ting Xie
- Key Laboratory of Advanced Functional Materials and Devices of Anhui Province
- Hefei 230009
- China
| | - Yucheng Wu
- School of Materials Science and Engineering
- Hefei University of Technology
- Hefei 230009
- China
- Key Laboratory of Advanced Functional Materials and Devices of Anhui Province
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Radinger H, Pfisterer J, Scheiba F, Ehrenberg H. Influence and Electrochemical Stability of Oxygen Groups and Edge Sites in Vanadium Redox Reactions. ChemElectroChem 2020. [DOI: 10.1002/celc.202001387] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hannes Radinger
- Institute for Applied Materials Karlsruhe Institute of Technology Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Jessica Pfisterer
- Institute for Applied Materials Karlsruhe Institute of Technology Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Frieder Scheiba
- Institute for Applied Materials Karlsruhe Institute of Technology Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Helmut Ehrenberg
- Institute for Applied Materials Karlsruhe Institute of Technology Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
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7
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Zheng Y, Xu X. Surface Atom Regulation on Polyoxometalate Electrocatalyst for Simultaneous Low-Voltage H 2 Production and Phenol Degradation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:53739-53748. [PMID: 33201666 DOI: 10.1021/acsami.0c14431] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The electrocatalytic hydrogen evolution reaction is an ideal method for H2 production. To improve the performance of polyoxometalate-based electrocatalyst in the hydrogen evolution reaction, one O2- in polyoxometalate is replaced by S2-. This weakens the binding of polyoxometalate to H*, facilitates its desorption, and improves the H2 generation property. Vulcanized polyoxometalate only requires 55 mV to achieve 10 mA·cm-2 current in the hydrogen evolution reaction. This electrocatalyst also exhibits promising performance in phenol degradation reaction, which is an ideal substitute for high-energy-consuming oxygen evolution reaction in H2 production due to low voltage to drive. To acquire 100 and 200 mA·cm-2 in the phenol degradation reaction, this vulcanized polyoxometalate only consumes 1.38 and 1.41 V. With this electrocatalyst working as a cathode and an anode simultaneously, an electrolyzer is constructed by employing phenol-containing KOH as an electrolyte. To obtain 100 and 200 mA·cm-2 current, the electrolyzer only requires 1.54 and 1.57 V. Because energy-efficient phenol degradation reaction occurs, these values are obviously lower than the oxygen evolution reaction involved in the overall water-splitting H2 production. This work provides a universal method to enhance the hydrogen evolution reaction (HER) activity of polyoxometalates. Furthermore, a new method is explored, which achieves energy conservation and phenol degradation simultaneously in H2 production.
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Affiliation(s)
- Yang Zheng
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
| | - Xinxin Xu
- Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
- Institute for Frontier Technologies of Low-Carbon Steelmaking, Northeastern University, Shenyang 110819, China
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Zhang R, Yu Z, Jiang R, Huang J, Hou Y, Zhou Q, Zhu S, Huang X, Zheng F, Luo Z. Optimization of the overall water-splitting performance of N, S co-doped carbon-supported NiCoMnSx−10 at high current densities by the introduction of sulfur defects and oxygen vacancies. CrystEngComm 2020. [DOI: 10.1039/d0ce01075h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work reports the synthesis of N and S co-doped carbon-supported NiCoMnSx−10 electrocatalyst and its application in electrocatalytic overall water splitting.
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Affiliation(s)
- Runzhi Zhang
- School of Resources, Environment and Materials
- Guangxi University
- Nanning 530004
- PR China
| | - Zebin Yu
- School of Resources, Environment and Materials
- Guangxi University
- Nanning 530004
- PR China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control
| | - Ronghua Jiang
- School of Chemical and Environmental Engineering
- Shaoguan University
- Shaoguan 512005
- P. R. China
| | - Jun Huang
- College of Civil Engineering and Architecture
- Guangxi University
- Nanning 530004
- P. R. China
- Hualan Design & Consulting Group
| | - Yanping Hou
- School of Resources, Environment and Materials
- Guangxi University
- Nanning 530004
- PR China
| | - Qiuyue Zhou
- School of Resources, Environment and Materials
- Guangxi University
- Nanning 530004
- PR China
| | - Shiyu Zhu
- School of Resources, Environment and Materials
- Guangxi University
- Nanning 530004
- PR China
| | - Xiaocan Huang
- School of Resources, Environment and Materials
- Guangxi University
- Nanning 530004
- PR China
| | - Feng Zheng
- School of Resources, Environment and Materials
- Guangxi University
- Nanning 530004
- PR China
| | - Zhao Luo
- School of Resources, Environment and Materials
- Guangxi University
- Nanning 530004
- PR China
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