Article
Chemistry, Physical
Pratik Shinde, Chandra Sekhar Rout, Dattatray Late, Pawan K. Tyagi, Manoj Kumar Singh
Summary: The paper presents a synthesis method and performance characterization of an efficient and reliable NiFe2O4/rGO hybrid OER electrocatalyst. The optimized catalyst exhibits excellent OER performance in alkaline 1M KOH solution, displaying high activity and stability.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Shanfu Sun, Guopan Sun, Pengfei Cheng, Ruiqi Liu, Chunfu Zhang
Summary: 'Outstanding' electrocatalysts for oxygen evolution reaction (OER) are being discovered, but potential misjudgment of electrocatalytic activity due to data processing errors is a concern. Inconsistencies in the application of uncompensated potential (iRs)-correction rates were found through an analysis of 100 highly cited OER papers. The effects of various iRs-correction rates on OER performance were studied using RuO2 and IrO2 as model catalysts, leading to unexpected discoveries that may prompt a re-examination of reported 'great' OER electrocatalysts and bring attention to iRs-correction rates in electrocatalysis.
MATERIALS TODAY ENERGY
(2023)
Article
Chemistry, Physical
Ashwini Pol, Suchitra Sapakal, Ayesha Khan, Anamika V. Kadam
Summary: Deposition of nickel oxide (NiO) films on 304-grade stainless steel (304SS) substrate by a simple hydrothermal method is studied for water splitting. The NiO on 304SS shows excellent oxygen evolution reaction (OER) with good stability, low overpotential, and suitable Tafel slope.
SURFACES AND INTERFACES
(2023)
Article
Chemistry, Physical
Limin Zhang, Wenfei Zhang, Minglang Wang, Hui Wang, Jinhao Zang, Weixia Shen, Xiaowen Huang, Dezhi Kong, Yongtao Tian, Tingting Xu, Ye Wang, Xinjian Li
Summary: In this study, Ni(OH)(2)-MoSe2 heterostructures were constructed on a carbon cloth substrate, and the deposition time of Ni(OH)(2) was controlled to improve the conductivity and water dissociation kinetics of MoSe2, thus enhancing the performance of alkaline hydrogen evolution reaction (HER).
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Man Zhang, Di Hu, Zhenhao Xu, Biying Liu, Mebrouka Boubeche, Zuo Chen, Yuchen Wang, Huixia Luo, Kai Yan
Summary: Conductive metal-organic frameworks (MOFs) are considered ideal electrocatalysts for the hydrogen evolution reaction (HER) due to their high metal atom utilization. In this study, three types of porous MOFs were synthesized with large specific surface areas by regulating the metal center, showing high performance in the HER process. The Ni-BTC material exhibited the best performance, surpassing previously reported MOFs catalysts in terms of overpotential, Tafel slope, charge transfer resistance, electrochemical active surface area, and turnover frequency.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Inorganic & Nuclear
Yu Cheng, Zheng Yin, Wei-Min Ma, Zhao-Xuan He, Xuan Yao, Wen-Yu Lv
Summary: Amorphous and bifunctional electrocatalysts based on 3d transition metals are a promising choice for efficient overall water splitting. The in situ transformation of a metal-organic framework (MOF) induced by an alkali solution leads to the production of amorphous electrocatalysts with abundant catalytic active sites, exhibiting good performance in both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER).
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Ghulam Sughra Jamila, Shamaila Sajjad, Sajjad Ahmed Khan Leghari, Tanja Kallio, Cristina Flox
Summary: Glucose derived carbon quantum dots modified tungstate-titanate composites exhibited excellent photo and electrocatalytic efficiencies, with high current density and low overpotential. They showed good electron transfer abilities and enhanced hydrogen evolution reaction efficiency.
JOURNAL OF NANOSTRUCTURE IN CHEMISTRY
(2022)
Review
Chemistry, Multidisciplinary
Hao Wang, Biao-Hua Chen, Di-Jia Liu
Summary: The article discusses a new approach to improve oxygen electrocatalysis efficiency through rational design of metal-organic frameworks (MOFs) and metal-organic gels (MOGs). While MOFs/MOGs show potential in synthesizing oxygen electrocatalysts, they still face some challenges and future research directions.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Taehee Kim, Sanjib Baran Roy, Sunil Moon, SangHyuk Yoo, Haryeong Choi, Vinayak G. Parale, Younghun Kim, Jihun Lee, Seong Chan Jun, Keonwook Kang, Seung-Hyun Chun, Kazuyoshi Kanamori, Hyung-Ho Park
Summary: In this study, a high-performance electrochemical hydrogen evolution reaction (HER) catalyst was developed by combining F-doped tin(IV) oxide (F-SnO2) aerogel with Pt catalyst. The as-synthesized hybrid F-SnO2@Pt exhibited efficient HER activity, a large specific surface area, high porosity, and excellent robustness.
Article
Green & Sustainable Science & Technology
Victor Charles, Abdulraheem Okehi Anumah, Kayode Adesina Adegoke, Morenike Oluwabunmi Adesina, Ikegwuonu P. Ebuka, Ndepana A. Gaya, Sunday Ogwuche, Mary Ohunene Yakubu
Summary: This article discusses the conceptual study of oxygen evolution reaction and electrocatalytic kinetics, as well as providing an overview of synthesizing catalysts for the reaction. Emphasis is placed on describing different families of compounds used for synthesizing high-performance catalysts, with a discussion on important future perspectives for advancement in the field.
SUSTAINABLE MATERIALS AND TECHNOLOGIES
(2021)
Article
Chemistry, Applied
You Xu, Kaili Ren, Rong Xu
Summary: The study presents a strategy for transforming Fe-based bimetallic MOFs into corresponding bimetallic hydroxides, which offer abundant catalytically active sites. The optimized NiFe-OH-0.75 catalyst exhibited good performance in electrocatalytic oxygen evolution reactions and could serve as an efficient cocatalyst for photocatalytic water oxidation.
CHINESE JOURNAL OF CATALYSIS
(2021)
Article
Chemistry, Multidisciplinary
Jing Liang, Xutao Gao, Biao Guo, Yu Ding, Jiawei Yan, Zhengxiao Guo, Edmund C. M. Tse, Jinxuan Liu
Summary: The study reports the synthesis of two-dimensional metal-organic frameworks on nickel foam, which exhibit superior oxygen evolution reaction performance under alkaline conditions due to the ferrocene units acting as efficient electron transfer intermediates.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Zhuangyan Guo, Shuai Yang, Minghao Liu, Qing Xu, Gaofeng Zeng
Summary: In this study, core-shelled hybrids of covalent organic frameworks and metal-organic frameworks are constructed to catalyze the oxygen evolution reaction. The high oxygen evolution reaction activity in the core-shelled Co-COF@MOF catalyst is due to the synergetic roles between the Co and Fe sites, which promote the formation of O* from OH*.
Article
Nanoscience & Nanotechnology
Nachiketa Sahu, Jogendra N. Behera
Summary: The development of a simple and effective strategy for designing a highly efficient oxygen evolution electrocatalyst is crucial for improving the efficiency of water electrolysis. This study focuses on the synthesis of Co3S4 nanoparticles derived from a metal-organic framework using a single-step annealing strategy with varying reaction times. The optimized Co3S4-3h product exhibited excellent oxygen evolution reaction (OER) performance and stability under harsh alkaline conditions, attributed to the combination of the Co3S4 phase and N-doped carbon matrix. This research contributes to the search for non-precious electrode materials for efficient OER.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Physical
Kang Zhang, Yuting Zhu, Kaihang Yue, Ke Zhan, Ping Wang, Yuan Kong, Ya Yan, Xianying Wang
Summary: In this study, a FeCoNi coordinated MOF catalyst was synthesized, and the FeCoNiOx(OH)(y) catalytic species were formed through in-situ transformation. The catalyst exhibited excellent OER catalytic activity with low overpotential, low Tafel slope, and good stability in alkaline aqueous solution.
Article
Chemistry, Multidisciplinary
Muheng Wang, Yun Wu, Na Li, Fei Zhao, Qiang Zhao, Jinping Li, Guang Liu
CHEMISTRY-AN ASIAN JOURNAL
(2020)
Article
Chemistry, Multidisciplinary
Dazhong Zhong, Zhi-Jian Zhao, Qiang Zhao, Dongfang Cheng, Bin Liu, Gong Zhang, Wanyu Deng, Hao Dong, Lei Zhang, Jingkun Li, Jinping Li, Jinlong Gong
Summary: By utilizing the facet effect of copper crystals, this study achieves a high Faradaic efficiency and large partial current density towards C2+ products. When coupled with a Si solar cell, record-high solar conversion efficiencies for C2H4 and C2+ products are obtained.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Tao Zhao, Dong Wang, Chen Cheng, Dazhong Zhong, Genyan Hao, Guang Liu, Jinping Li, Qiang Zhao
Summary: The study introduces a dual-MOF heterostructure with remarkable OER electrocatalytic performance, attributed to the exposed active sites, synergistic effect between ZIF-67 and MIL-100, and enhanced electron transfer ability.
CHEMISTRY-AN ASIAN JOURNAL
(2021)
Article
Chemistry, Physical
Chen Cheng, Dandan Li, Tao Zhao, Dong Wang, Dazhong Zhong, Genyan Hao, Guang Liu, Jinping Li, Qiang Zhao
Summary: NiFe2O4-Ni3S2 nanorods and nanosheets composite catalysts were successfully prepared using cathodic electrode position and hydrothermal sulfuration methods, showing excellent oxygen evolution performance and long-term stability in 1.0 M KOH electrolyte.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Tao Zhao, Chen Cheng, Dong Wang, Dazhong Zhong, Genyan Hao, Guang Liu, Jinping Li, Qiang Zhao
Summary: A series of bimetallic metal-organic frameworks (MOFs) were synthesized on three-dimensional nickel foam (NF) using a one-pot synthesis, showing improved electrocatalytic performance for oxygen evolution reaction (OER) in alkaline solution. The introduction of Fe greatly changed the inherent properties of Ni-MOF, leading to the optimized NiFe-MOF/NF with low overpotentials and high stability. This work presents a general strategy for the synthesis of effective and scalable electrocatalytic materials for water oxidation.
Article
Chemistry, Physical
Dandan Li, Fengyu Liu, Jianmin Dou, Qiang Zhao
Summary: The Pt@Ni-Ni(OH)(2) nanotube arrays heterostructure catalyst achieves high-efficiency alkaline hydrogen evolution reaction by optimizing the interaction between Pt and Ni(OH)(2), resulting in lower overpotential and improved durability. The use of metal composites on the oxygen-philic surface effectively induces the loading of Pt nanoparticles, providing a new idea for the preparation of high-efficiency hydrogen evolution catalysts.
Article
Chemistry, Inorganic & Nuclear
Qi Wang, Shuhui Fan, Leran Liu, Xiaojiang Wen, Yun Wu, Rui Yao, Qiang Zhao, Jinping Li, Guang Liu
Summary: The LNO electrocatalyst synthesized by a simple solid-phase method exhibits high NRR activity and Faradaic efficiency, far exceeding commercial Nb2O5 and Li2CO3. Additionally, the LNO electrocatalyst has a larger specific surface area of electrochemical activity and more active sites to promote NRR activity.
DALTON TRANSACTIONS
(2022)
Article
Chemistry, Multidisciplinary
Yuming Dong, Tao Zhao, Dazhong Zhong, Guang Liu, Genyan Hao, Jinping Li, Qiang Zhao
Summary: This study reports amorphous CoV phosphate nanosheets synthesized through a simple hydrothermal method, which exhibit low overpotential, small Tafel slope, and long-term durability in alkaline solutions, making them a promising alternative to expensive noble metal catalysts for electrochemical water splitting.
CHEMISTRY-AN ASIAN JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Yong Jiang, Dazhong Zhong, Lei Wang, Jiayuan Li, Genyan Hao, Jinping Li, Qiang Zhao
Summary: Electrochemical reduction of CO2 to produce valuable multi-carbon products is a promising approach for renewable energy storage. However, synthesizing Cu electrodes with a controllable electrochemical active surface area (ECSA) to understand their role in CO2 reduction remains challenging. The study reveals that the selectivity of C2H4 is proportional to the ECSA of Cu in the low ECSA range, and increasing ECSA has a negligible effect on selectivity.
CHEMISTRY-AN ASIAN JOURNAL
(2022)
Article
Chemistry, Physical
Tao Zhao, Dazhong Zhong, Genyan Hao, Guang Liu, Jinping Li, Qiang Zhao
Summary: The development of efficient and stable electrocatalysts for water splitting is of great importance. In this study, Co/Ni oxyhydroxide nanosheets were prepared as efficient oxygen evolution reaction (OER) catalysts by rapid electrochemical activation of well-mixed metal-organic frameworks (MOFs). The electrochemical activation promoted ligand substitution and formation of porous oxyhydroxide nanosheets, improving both the active site exposure and charge transfer. The resulting Co/Ni oxyhydroxide nanosheets exhibited excellent OER performance and long-term stability.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Guangkai Guo, Dazhong Zhong, Tao Zhao, Guang Liu, Jinping Li, Qiang Zhao
Summary: In recent years, transition metal catalysts have been extensively studied in the oxygen evolution reaction (OER) due to their low price, excellent conductivity, and high activity. This study successfully transformed two-dimensional layered double hydroxides (LDHs) into two-dimensional metal organic frameworks (MOFs) using a simple ligand-assisted synthesis method, and prepared MOF-OH/NF catalysts with superior OER properties. This study provides a new idea for the design and synthesis of novel composite electrocatalysts.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Tao Zhao, Dazhong Zhong, Genyan Hao, Qiang Zhao
Summary: By employing a simple and controllable phytic acid (Pa) etching technique, a porous CoFe-MOF@Pa with vacancies and improved hydrophilicity is successfully synthesized. This material not only creates more active sites and facilitates charge redistribution, but also enhances the contact between electrolytes and active sites, thereby improving the electrocatalytic performance for water splitting.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Inorganic & Nuclear
Yujie Du, Kaiyang Zhang, Rui Yao, Yun Wu, Qiang Zhao, Jinping Li, Guang Liu
Summary: By loading ultra-small RuO2 nanocrystals onto porous carbon material, a highly active and stable electrocatalyst RuO2/NHC3 for acidic oxygen evolution reaction is successfully synthesized.
DALTON TRANSACTIONS
(2022)
Article
Chemistry, Inorganic & Nuclear
Shuhui Fan, Fei Zhao, Xuansheng Wang, Qi Wang, Qiang Zhao, Jinping Li, Guang Liu
Summary: A phosphorus-doped potassium peroxyniobate electrocatalyst with enriched oxygen vacancies is reported, which can effectively improve the conversion efficiency of N-2 to NH3 and suppress hydrogen evolution reaction in electrochemical ammonia synthesis. The electrocatalyst exhibits steady ammonia production and selectivity.
DALTON TRANSACTIONS
(2022)
Article
Chemistry, Physical
Guang Liu, Yun Wu, Rui Yao, Fei Zhao, Qiang Zhao, Jinping Li
Summary: The novel FeP-Ni nanocone arrays assembled on 3D Ni foam demonstrated highly efficient electrocatalytic performance for overall water splitting. The unique 3D morphology of nanocone arrays played a crucial role in exposing more surface active sites, facilitating electrolyte diffusion, benefiting charge transfer, and promoting favorable bubble detachment behavior. This work provides a cost-effective pathway for designing and developing active self-supported electrodes with novel 3D morphology for water electrolysis.
GREEN ENERGY & ENVIRONMENT
(2021)