1
|
Guo B, Ding Y, Huo H, Wen X, Ren X, Xu P, Li S. Recent Advances of Transition Metal Basic Salts for Electrocatalytic Oxygen Evolution Reaction and Overall Water Electrolysis. NANO-MICRO LETTERS 2023; 15:57. [PMID: 36862225 PMCID: PMC9981861 DOI: 10.1007/s40820-023-01038-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 02/12/2023] [Indexed: 05/19/2023]
Abstract
Electrocatalytic oxygen evolution reaction (OER) has been recognized as the bottleneck of overall water splitting, which is a promising approach for sustainable production of H2. Transition metal (TM) hydroxides are the most conventional and classical non-noble metal-based electrocatalysts for OER, while TM basic salts [M2+(OH)2-x(Am-)x/m, A = CO32-, NO3-, F-, Cl-] consisting of OH- and another anion have drawn extensive research interest due to its higher catalytic activity in the past decade. In this review, we summarize the recent advances of TM basic salts and their application in OER and further overall water splitting. We categorize TM basic salt-based OER pre-catalysts into four types (CO32-, NO3-, F-, Cl-) according to the anion, which is a key factor for their outstanding performance towards OER. We highlight experimental and theoretical methods for understanding the structure evolution during OER and the effect of anion on catalytic performance. To develop bifunctional TM basic salts as catalyst for the practical electrolysis application, we also review the present strategies for enhancing its hydrogen evolution reaction activity and thereby improving its overall water splitting performance. Finally, we conclude this review with a summary and perspective about the remaining challenges and future opportunities of TM basic salts as catalysts for water electrolysis.
Collapse
Affiliation(s)
- Bingrong Guo
- Institute of Industrial Catalysis, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
| | - Yani Ding
- Institute of Industrial Catalysis, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
- Institute of Carbon Neutral Energy Technology, School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, People's Republic of China
| | - Haohao Huo
- Institute of Industrial Catalysis, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
| | - Xinxin Wen
- Institute of Industrial Catalysis, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
| | - Xiaoqian Ren
- Institute of Industrial Catalysis, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
| | - Ping Xu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, People's Republic of China.
| | - Siwei Li
- Institute of Industrial Catalysis, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China.
| |
Collapse
|
2
|
Shah SSA, Khan NA, Imran M, Rashid M, Tufail MK, Rehman AU, Balkourani G, Sohail M, Najam T, Tsiakaras P. Recent Advances in Transition Metal Tellurides (TMTs) and Phosphides (TMPs) for Hydrogen Evolution Electrocatalysis. MEMBRANES 2023; 13:113. [PMID: 36676920 PMCID: PMC9863077 DOI: 10.3390/membranes13010113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
The hydrogen evolution reaction (HER) is a developing and promising technology to deliver clean energy using renewable sources. Presently, electrocatalytic water (H2O) splitting is one of the low-cost, affordable, and reliable industrial-scale effective hydrogen (H2) production methods. Nevertheless, the most active platinum (Pt) metal-based catalysts for the HER are subject to high cost and substandard stability. Therefore, a highly efficient, low-cost, and stable HER electrocatalyst is urgently desired to substitute Pt-based catalysts. Due to their low cost, outstanding stability, low overpotential, strong electronic interactions, excellent conductivity, more active sites, and abundance, transition metal tellurides (TMTs) and transition metal phosphides (TMPs) have emerged as promising electrocatalysts. This brief review focuses on the progress made over the past decade in the use of TMTs and TMPs for efficient green hydrogen production. Combining experimental and theoretical results, a detailed summary of their development is described. This review article aspires to provide the state-of-the-art guidelines and strategies for the design and development of new highly performing electrocatalysts for the upcoming energy conversion and storage electrochemical technologies.
Collapse
Affiliation(s)
- Syed Shoaib Ahmad Shah
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
| | - Naseem Ahmad Khan
- Institute of Chemistry, the Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Muhammad Imran
- Institute of Chemistry, the Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Muhammad Rashid
- Institute of Chemistry, the Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | | | - Aziz ur Rehman
- Institute of Chemistry, the Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Georgia Balkourani
- Laboratory of Alternative Energy Conversion Systems, Department of Mechanical Engineering, School of Engineering, University of Thessaly, Pedion Areos, 38834 Volos, Greece
| | - Manzar Sohail
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
| | - Tayyaba Najam
- Institute of Chemistry, the Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Panagiotis Tsiakaras
- Laboratory of Alternative Energy Conversion Systems, Department of Mechanical Engineering, School of Engineering, University of Thessaly, Pedion Areos, 38834 Volos, Greece
- Laboratory of Electrochemical Devices Based on Solid Oxide Proton Electrolytes, Institute of High Temperature Electrochemistry, RAS, 20 Akademicheskaya Str., Yekaterinburg 620990, Russia
- Laboratory of Materials and Devices for Electrochemical Power Engineering, Institute of Chemical Engineering, Ural Federal University, 19 Mira Str., Yekaterinburg 620002, Russia
| |
Collapse
|
3
|
Qiu Y, Liu Z, Yang Q, Zhang X, Liu J, Liu M, Bi T, Ji X. Atmospheric‐Temperature Chain Reaction towards Ultrathin Non‐Crystal‐Phase Construction for Highly Efficient Water Splitting. Chemistry 2022; 28:e202200683. [DOI: 10.1002/chem.202200683] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Indexed: 12/31/2022]
Affiliation(s)
- Yanling Qiu
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation Qingdao University Qingdao 266071 P. R. China
| | - Zhiqiang Liu
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation Qingdao University Qingdao 266071 P. R. China
| | - Qian Yang
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation Qingdao University Qingdao 266071 P. R. China
| | - Xinyue Zhang
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation Qingdao University Qingdao 266071 P. R. China
| | - Jingquan Liu
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation Qingdao University Qingdao 266071 P. R. China
| | - Mengyao Liu
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation Qingdao University Qingdao 266071 P. R. China
| | - Tianyi Bi
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation Qingdao University Qingdao 266071 P. R. China
| | - Xuqiang Ji
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation Qingdao University Qingdao 266071 P. R. China
| |
Collapse
|
4
|
Karmakar A, Sankar SS, Kumaravel S, Madhu R, Mahmoud KH, El-Bahy ZM, Kundu S. Ruthenium-Doping-Induced Amorphization of VS 4 Nanostructures with a Rich Sulfur Vacancy for Enhanced Hydrogen Evolution Reaction in a Neutral Electrolyte Medium. Inorg Chem 2022; 61:1685-1696. [PMID: 35014806 DOI: 10.1021/acs.inorgchem.1c03533] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The generation of pure H2 from a neutral electrolyte solution represents a transformative route with low cost and environmentally friendly nature. However, the complex kinetics of hydrogen evolution reaction (HER) via water electrolysis make its practical application to be difficult. Herein, we have reported Ru-doping-induced formation of VS4 nanostructures with a rich S vacancy for neutral HER in a 0.2 M phosphate buffer solution. The Ru-doped VS4 demands an overpotential value of 160 mV at 10 mA/cm2 current density with a lower catalyst loading of 0.1 mg/cm2, while pristine VS4 demands a 374 mV overpotential with the same mass loading. 60 hours of chronoamperometric study reveals the excellent stability of Ru-doped VS4 materials, which is the highest amount of time ever reported for neutral HER. The marginal degradation of a catalyst under a long-term stability study was confirmed through inductively coupled plasma mass spectrometry (ICP-MS) analysis. The introduction of Ru to the VS4 lattice leads to a 4.35-fold increase in the turnover-frequency values compared to those of bare VS4 nanostructures. The higher HER activity of S-vacancy-enriched VS4 materials is thought to originate through effective water adsorption in S vacancy and Ru3+ sites followed by the dissociation of a H2O molecule, and S22- efficiently converts Had to H2. Also, post-HER characterization reveals that the transformation of some Ru3+ to Ru0 additionally favored the HER by providing a better H adsorption site under a static cathodic potential.
Collapse
Affiliation(s)
- Arun Karmakar
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India.,Electrochemical Process Engineering Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Selvasundarasekar Sam Sankar
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India.,Electrochemical Process Engineering Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Sangeetha Kumaravel
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India.,Electrochemical Process Engineering Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Ragunath Madhu
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India.,Electrochemical Process Engineering Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Khaled H Mahmoud
- Department of Physics, College of Khurma University College, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Zeinhom M El-Bahy
- Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt
| | - Subrata Kundu
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India.,Electrochemical Process Engineering Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| |
Collapse
|
5
|
Liang H, Liu J. Insights on the Corrosion and Degradation of MXenes as Electrocatalysts for Hydrogen Evolution Reaction. ChemCatChem 2022. [DOI: 10.1002/cctc.202101375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Hongxing Liang
- Department of Chemical and Materials Engineering University of Alberta 9211 116 St NW Edmonton AB T6G 1H9 Alberta (Canada
| | - Jing Liu
- Department of Chemical and Materials Engineering University of Alberta 9211 116 St NW Edmonton AB T6G 1H9 Alberta (Canada
| |
Collapse
|
6
|
Bera K, Karmakar A, Karthick K, Sankar SS, Kumaravel S, Madhu R, Kundu S. Enhancement of the OER Kinetics of the Less-Explored α-MnO 2 via Nickel Doping Approaches in Alkaline Medium. Inorg Chem 2021; 60:19429-19439. [PMID: 34821497 DOI: 10.1021/acs.inorgchem.1c03236] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Development of a low-cost transition metal-based catalyst for water splitting is of prime importance for generating green hydrogen on an industrial scale. Recently, various transition metal-based oxides, hydroxides, sulfides, and other chalcogenide-based materials have been synthesized for developing a suitable anode material for the oxygen evolution reaction (OER). Among the various transition metal-based catalysts, their oxides have received much consideration for OER, especially in lower pH condition, and MnO2 is one of the oxides that have widely been used for the same. The large variation in the structural disorder of MnO2 and internal resistance at the electrode-electrolyte interfaces have limited its large-scale application. By considering the above limitations of MnO2, here in this work, we have designed Ni-doped MnO2 via a simple wet-chemical synthetic route, which has been successfully applied for OER application in 0.1 M KOH solution. Doping of various quantities of Ni into the MnO2 lattices improved the OER properties, and for achieving 10 mA/cm2 current density, the Ni-doped MnO2 containing 0.02 M of Ni2+ ions (coined as MnO2-Ni0.002(M)) demands only 445 mV overpotential, whereas the bare MnO2 required 610 mV overpotential. It has been proposed that the incorporation of nickel ions into the MnO2 lattices leads to an electron transfer from the Ni3+ ions to Mn4+, which in turn facilitates the Jahn-Teller distortion in the Mn-O octahedral unit. This electron transfer and the creation of a structural disorder in the Mn sites result in the improvization of the OER properties of the MnO2 materials.
Collapse
Affiliation(s)
- Krishnendu Bera
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Arun Karmakar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Kannimuthu Karthick
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Selvasundarasekar Sam Sankar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Sangeetha Kumaravel
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Ragunath Madhu
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Subrata Kundu
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| |
Collapse
|
7
|
Karthick K, Sam Sankar S, Kumaravel S, Karmakar A, Madhu R, Bera K, Kundu S. Advancing the extended roles of 3D transition metal based heterostructures with copious active sites for electrocatalytic water splitting. Dalton Trans 2021; 50:13176-13200. [PMID: 34617532 DOI: 10.1039/d1dt01645h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The replacement of noble metals with alternative electrocatalysts is highly demanded for water splitting. From the exploration of 3D -transition metal based heterostructures, engineering at the nano-level brought more enhancements in active sites with reduced overpotentials for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). However, recent developments in 3D transition metal based heterostructures like direct growth on external substrates (Ni foam, Cu foam) gave highly impressive activities and stabilities. Research needs to be focused on how the active sites can be enhanced further with 3D heterostructures of transition metals by studying them with various counterparts like hydroxides, layered double hydroxides and phosphides for empowering both OER and HER applications. This perspective covers the way to enlarge the utilization of 3D heterostructures successfully in terms of reduced overpotentials, highly exposed active sites, increased electrical conductivity, porosity and high-rate activity. From the various approaches of growth of transition metal based 3D heterostructures, it is easy to fine tune the active sites to have a viable production of hydrogen with less applied energy input. Overall, this perspective outlines a direction to increase the number of active sites on 3D transition metal based heterostructures by growing on 3D foams for enhanced water splitting applications.
Collapse
Affiliation(s)
- Kannimuthu Karthick
- Electrochemical Process Engineering (EPE) division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi-630003, Tamil Nadu, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Selvasundarasekar Sam Sankar
- Electrochemical Process Engineering (EPE) division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi-630003, Tamil Nadu, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Sangeetha Kumaravel
- Electrochemical Process Engineering (EPE) division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi-630003, Tamil Nadu, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Arun Karmakar
- Electrochemical Process Engineering (EPE) division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi-630003, Tamil Nadu, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Ragunath Madhu
- Electrochemical Process Engineering (EPE) division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi-630003, Tamil Nadu, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Krishnendu Bera
- Electrochemical Process Engineering (EPE) division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi-630003, Tamil Nadu, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Subrata Kundu
- Electrochemical Process Engineering (EPE) division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi-630003, Tamil Nadu, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| |
Collapse
|
8
|
Jang JH, Jeffery AA, Min J, Jung N, Yoo SJ. Emerging carbon shell-encapsulated metal nanocatalysts for fuel cells and water electrolysis. NANOSCALE 2021; 13:15116-15141. [PMID: 34554169 DOI: 10.1039/d1nr01328a] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The development of low-cost, high-efficiency electrocatalysts is of primary importance for hydrogen energy technology. Noble metal-based catalysts have been extensively studied for decades; however, activity and durability issues still remain a challenge. In recent years, carbon shell-encapsulated metal (M@C) catalysts have drawn great attention as novel materials for water electrolysis and fuel cell applications. These electrochemical reactions are governed mainly by interfacial charge transfer between the core metal and the outer carbon shell, which alters the electronic structure of the catalyst surface. Furthermore, the rationally designed and fine-tuned carbon shell plays a very interesting role as a protective layer or molecular sieve layer to improve the performance and durability of energy conversion systems. Herein, we review recent advances in the use of M@C type nanocatalysts for extensive applications in fuel cells and water electrolysis with a focus on the structural design and electronic structure modulation of carbon shell-encapsulated metal/alloys. Finally, we highlight the current challenges and future perspectives of these catalytic materials and related technologies in this field.
Collapse
Affiliation(s)
- Jue-Hyuk Jang
- Center for Hydrogen·Fuel Cell Research, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - A Anto Jeffery
- Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Jiho Min
- Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Namgee Jung
- Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Sung Jong Yoo
- Center for Hydrogen·Fuel Cell Research, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
- Division of Energy & Environmental Technology, KIST school, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea
| |
Collapse
|
9
|
Zhao GQ, Long X, Hu J, Zou J, Jiao FP. NiFe-Layered Double Hydroxides as a Novel Hole Repository Layer for Reinforced Visible-Light Photocatalytic Activity for Degradation of Refractory Pollutants. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c02310] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Guo-Qing Zhao
- School of Chemistry and Chemical Engineering, Central South University, 405 Xiaoxiang Middle Road, Yuelu District, Changsha 410083, People’s Republic of China
| | - Xuan Long
- School of Chemistry and Chemical Engineering, Central South University, 405 Xiaoxiang Middle Road, Yuelu District, Changsha 410083, People’s Republic of China
| | - Jun Hu
- School of Chemistry and Chemical Engineering, Central South University, 405 Xiaoxiang Middle Road, Yuelu District, Changsha 410083, People’s Republic of China
| | - Jiao Zou
- School of Chemistry and Chemical Engineering, Central South University, 405 Xiaoxiang Middle Road, Yuelu District, Changsha 410083, People’s Republic of China
| | - Fei-Peng Jiao
- School of Chemistry and Chemical Engineering, Central South University, 405 Xiaoxiang Middle Road, Yuelu District, Changsha 410083, People’s Republic of China
| |
Collapse
|
10
|
Feng L, Li N, Tang S, Guo Y, Zheng J, Li X. Photoelectrochemical performance of titanium dioxide/Prussian blue analogue synthesized by impregnation conversion method as photoanode. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2020.108349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
|
11
|
Karmakar A, Karthick K, Kumaravel S, Sankar SS, Kundu S. Enabling and Inducing Oxygen Vacancies in Cobalt Iron Layer Double Hydroxide via Selenization as Precatalysts for Electrocatalytic Hydrogen and Oxygen Evolution Reactions. Inorg Chem 2021; 60:2023-2036. [PMID: 33480247 DOI: 10.1021/acs.inorgchem.0c03514] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Production of hydrogen by water electrolysis is an environment-friendly method and comparatively greener than other methods of hydrogen production such as stream reforming carbon, hydrolysis of metal hydride, etc. However, sluggish kinetics of the individual half-cell reactions hinders the large-scale production of hydrogen. To minimize this disadvantage, finding an appropriate, competent, and low-cost catalyst has attracted attention worldwide. Layer double hydroxide (LDH)-based materials are promising candidates for oxygen evolution reaction (OER) but not fruitful and their hydrogen evolution reaction (HER) activity is very poor, due to the lack of ionic conductivity. The inclusion of chalcogenide and generation of inherent oxygen vacancies in the lattice of LDH lead to improvement of both OER and HER activities. The presence of rich oxygen vacancies was confirmed using both the Tauc plot (1.11 eV, vacancy induction) and the photoluminescence study (peak at 426 nm, photoregeneration of oxygen). In this work, we have developed vacancy-enriched, selenized CoFe-LDH by the consequent wet-chemical and hydrothermal routes, respectively, which was used for OER and HER applications in 1 M KOH and 0.5 M H2SO4 electrolytes, respectively. For OER, the catalyst required only 251 mV overpotential to reach a 50 mA/cm2 current density with a Tafel slope value of 47 mV/dec. For HER, the catalyst demanded only 222 mV overpotential for reaching a 50 mA/cm2 current density with a Tafel slope value of 126 mV/dec. Hence, generating oxygen vacancies leads to several advantages from enhancing the exposed active sites to high probability in obtaining electrocatalytically active species and subsequent assistance in oxygen and hydrogen molecule cleavage.
Collapse
Affiliation(s)
- Arun Karmakar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Kannimuthu Karthick
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Sangeetha Kumaravel
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Selvasundarasekar Sam Sankar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Subrata Kundu
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| |
Collapse
|