1
|
Guo Q, Yuan R, Zhao Y, Yu Y, Fu J, Cao L. Performance of Nitrogen-Doped Carbon Nanoparticles Carrying FeNiCu as Bifunctional Electrocatalyst for Rechargeable Zinc-Air Battery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400830. [PMID: 38778739 DOI: 10.1002/smll.202400830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 05/12/2024] [Indexed: 05/25/2024]
Abstract
Catalysts for zinc-air batteries (ZABs) must be stable over long-term charging-discharging cycles and exhibit bifunctional catalytic activity. In this study, by doping nitrogen-doped carbon (NC) materials with three metal atoms (Fe, Ni, and Cu), a single-atom-distributed FeNiCu-NC bifunctional catalyst is prepared. The catalyst includes Fe(Ni-doped)-N4 for the oxygen evolution reaction (OER), Fe(Cu-doped)-N4 for the oxygen reduction reaction (ORR), and the NiCu-NC catalytic structure for the oxygen reduction reaction (ORR) in the nitrogen-doped carbon nanoparticles. This single-atom distribution catalyst structure enhances the bifunctional catalytic activity. If a trimetallic single-atom catalyst is designed, it will surpass the typical bimetallic single-atom catcalyst. FeNiCu-NC exhibits outstanding performance as an electrocatalyst, with a half-wave potential (E1/2) of 0.876 V versus RHE, overpotential (Ej = 10) of 253 mV versus RHE at 10 mA cm-2, and a small potential gap (ΔE = 0.61 V). As the anode in a ZAB, FeNiCu-NC can undergo continuous charge-discharged cycles for 575 h without significant attenuation. This study presents a new method for achieving high-performance, low-cost ZABs via trimetallic single-atom doping.
Collapse
Affiliation(s)
- Qiao Guo
- Institute of Material Science and Engineering, Dalian Jiaotong University, Dalian, 116028, China
| | - Rui Yuan
- Fuel Cell System and Engineering Laboratory, Key Laboratory of Fuel Cells & Hybrid Power Sources, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Yutong Zhao
- Fuel Cell System and Engineering Laboratory, Key Laboratory of Fuel Cells & Hybrid Power Sources, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Ying Yu
- Fuel Cell System and Engineering Laboratory, Key Laboratory of Fuel Cells & Hybrid Power Sources, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Jie Fu
- Institute of Material Science and Engineering, Dalian Jiaotong University, Dalian, 116028, China
| | - Longsheng Cao
- Fuel Cell System and Engineering Laboratory, Key Laboratory of Fuel Cells & Hybrid Power Sources, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| |
Collapse
|
2
|
Jones TE, Teschner D, Piccinin S. Toward Realistic Models of the Electrocatalytic Oxygen Evolution Reaction. Chem Rev 2024; 124:9136-9223. [PMID: 39038270 DOI: 10.1021/acs.chemrev.4c00171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
The electrocatalytic oxygen evolution reaction (OER) supplies the protons and electrons needed to transform renewable electricity into chemicals and fuels. However, the OER is kinetically sluggish; it operates at significant rates only when the applied potential far exceeds the reversible voltage. The origin of this overpotential is hidden in a complex mechanism involving multiple electron transfers and chemical bond making/breaking steps. Our desire to improve catalytic performance has then made mechanistic studies of the OER an area of major scientific inquiry, though the complexity of the reaction has made understanding difficult. While historically, mechanistic studies have relied solely on experiment and phenomenological models, over the past twenty years ab initio simulation has been playing an increasingly important role in developing our understanding of the electrocatalytic OER and its reaction mechanisms. In this Review we cover advances in our mechanistic understanding of the OER, organized by increasing complexity in the way through which the OER is modeled. We begin with phenomenological models built using experimental data before reviewing early efforts to incorporate ab initio methods into mechanistic studies. We go on to cover how the assumptions in these early ab initio simulations─no electric field, electrolyte, or explicit kinetics─have been relaxed. Through comparison with experimental literature, we explore the veracity of these different assumptions. We summarize by discussing the most critical open challenges in developing models to understand the mechanisms of the OER.
Collapse
Affiliation(s)
- Travis E Jones
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
- Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Berlin 14195, Germany
| | - Detre Teschner
- Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Berlin 14195, Germany
- Department of Heterogeneous Reactions, Max-Planck-Institute for Chemical Energy Conversion, Mülheim an der Ruhr 45470, Germany
| | - Simone Piccinin
- Consiglio Nazionale delle Ricerche, Istituto Officina dei Materiali, Trieste 34136, Italy
| |
Collapse
|
3
|
Zhao B, Liu C, Mahmood A, Talib SH, Wang P, He Y, Qu D, Niu L. Electronic-Structure Transformation of Platinum-Rich Nanowires as Efficient Electrocatalyst for Overall Water Splitting. ACS APPLIED MATERIALS & INTERFACES 2024; 16:37829-37839. [PMID: 39011930 DOI: 10.1021/acsami.4c03946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
Platinum (Pt) has been widely used as cathodic electrocatalysts for the hydrogen evolution reaction (HER) but unfortunately neglected as an anodic electrocatalyst for the oxygen evolution reaction (OER) due to excessively strong bonding with oxygen species in water splitting electrolyzers. Herein we report that fine control over the electronic-structure and local-coordination environment of Pt-rich PtPbCu nanowires (NWs) by doping of iridium (Ir) lowers the overpotential of the OER and simultaneously suppresses the overoxidation of Pt in IrPtPbCu NWs during water electrolysis. In light of the one-dimensional morphology featured with atomically dispersed IrOx species and electronically modulated Pt-sites, the IrPtPbCu NWs exhibit an enhanced OER (175 mV at 10 mA cm-2) and HER (25 mV at 10 mA cm-2) electrocatalytic performance in acidic media and yield a high turnover frequency. For OER at the overpotential of 250 mV, the IrPtPbCu NWs show an enhanced mass activity of 1.51 A mg-1Pt+Ir (about 19 times higher) than Ir/C. For HER at the overpotential of 50 mV, NWs exhibit a remarkable mass activity of 1.35 A mg-1Pt+Ir, which is 2.6-fold relative to Pt/C. Experimental results and theoretical calculations corroborate that the doping of Ir in NWs has the capacity to suppress the formation of Ptx>4 derivates and ameliorate the adsorption free energy of reaction intermediates during the water electrolysis. This approach enabled the realization of a previously unobserved mechanism for anodic electrocatalysts.
Collapse
Affiliation(s)
- Bolin Zhao
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials and Devices, Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials and Devices, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China
| | - Chuhao Liu
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Azhar Mahmood
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials and Devices, Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials and Devices, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China
- Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
| | - Shamraiz Hussain Talib
- Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
- Center for Catalysis and Separations, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi 127788, United Arab Emirates
| | - PengChong Wang
- The First Company of China Eighth Engineering Bureau Ltd. Jinan 250000, P. R. China
| | - Ying He
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials and Devices, Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials and Devices, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China
| | - Dongyang Qu
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials and Devices, Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials and Devices, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China
| | - Li Niu
- Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials and Devices, Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials and Devices, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, P. R. China
| |
Collapse
|
4
|
Liang C, Katayama Y, Tao Y, Morinaga A, Moss B, Celorrio V, Ryan M, Stephens IEL, Durrant JR, Rao RR. Role of Electrolyte pH on Water Oxidation for Iridium Oxides. J Am Chem Soc 2024; 146:8928-8938. [PMID: 38526298 PMCID: PMC10996014 DOI: 10.1021/jacs.3c12011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/26/2024]
Abstract
Understanding the effect of noncovalent interactions of intermediates at the polarized catalyst-electrolyte interface on water oxidation kinetics is key for designing more active and stable electrocatalysts. Here, we combine operando optical spectroscopy, X-ray absorption spectroscopy (XAS), and surface-enhanced infrared absorption spectroscopy (SEIRAS) to probe the effect of noncovalent interactions on the oxygen evolution reaction (OER) activity of IrOx in acidic and alkaline electrolytes. Our results suggest that the active species for the OER (Ir4.x+-*O) binds much stronger in alkaline compared with acid at low coverage, while the repulsive interactions between these species are higher in alkaline electrolytes. These differences are attributed to the larger fraction of water within the cation hydration shell at the interface in alkaline electrolytes compared to acidic electrolytes, which can stabilize oxygenated intermediates and facilitate long-range interactions between them. Quantitative analysis of the state energetics shows that although the *O intermediates bind more strongly than optimal in alkaline electrolytes, the larger repulsive interaction between them results in a significant weakening of *O binding with increasing coverage, leading to similar energetics of active states in acid and alkaline at OER-relevant potentials. By directly probing the electrochemical interface with complementary spectroscopic techniques, our work goes beyond conventional computational descriptors of the OER activity to explain the experimentally observed OER kinetics of IrOx in acidic and alkaline electrolytes.
Collapse
Affiliation(s)
- Caiwu Liang
- Department of
Materials, Imperial College London, Exhibition Road, SW72AZ London, United Kingdom
| | - Yu Katayama
- Department
of Energy and Environmental Materials, SANKEN (The Institute of Scientific
and Industrial Research), Osaka University, Mihogaoka 8-1, Osaka 567-0047, Ibaraki, Japan
| | - Yemin Tao
- Department of
Materials, Imperial College London, Exhibition Road, SW72AZ London, United Kingdom
| | - Asuka Morinaga
- Department
of Energy and Environmental Materials, SANKEN (The Institute of Scientific
and Industrial Research), Osaka University, Mihogaoka 8-1, Osaka 567-0047, Ibaraki, Japan
| | - Benjamin Moss
- Department
of Chemistry, Centre for Processable Electronics, Imperial College London, White city campus, W12 0BZ London, United Kingdom
| | - Verónica Celorrio
- Diamond
Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, United
Kingdom
| | - Mary Ryan
- Department of
Materials, Imperial College London, Exhibition Road, SW72AZ London, United Kingdom
| | - Ifan E. L. Stephens
- Department of
Materials, Imperial College London, Exhibition Road, SW72AZ London, United Kingdom
| | - James R. Durrant
- Department
of Chemistry, Centre for Processable Electronics, Imperial College London, White city campus, W12 0BZ London, United Kingdom
| | - Reshma R. Rao
- Department of
Materials, Imperial College London, Exhibition Road, SW72AZ London, United Kingdom
| |
Collapse
|
5
|
Li D, Zhang A, Feng Z, Wang W. Theoretical Insights on the Charge State and Bifunctional OER/ORR Electrocatalyst Activity in 4d-Transition-Metal-Doped g-C 3N 4 Monolayers. ACS APPLIED MATERIALS & INTERFACES 2024; 16:5779-5791. [PMID: 38270099 DOI: 10.1021/acsami.3c14995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Exploring efficient and stable electrocatalysts for the bifunctional oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is vital to developing renewable energy technologies. However, due to the substantial and intricate design space associated with these bifunctional OER/ORR electrocatalysts, their development presents a formidable challenge, resulting in their cost-prohibitive nature in both experimental and computational studies. Herein, using the defect physics method, we systematically investigate the formation energies and bifunctional overpotential (ηBi) of 4d-transition-metal (4d-TM, 4d-TM = Zr, Nb, Mo, Ru, Rh, Pd, and Ag)-doped monolayer supercell g-C3N4 (4d-TM@C54N72) based on the density functional theory (DFT) calculations. Under N-rich and C-rich conditions, we find that the formation energies of RhN@C54N71 (Rh occupation N) and PdN@C54N71 (Pd occupation N) are smaller than that of other 4d-TMN@C54N71 (4d-TM occupation N site); for the 4d-TMint@C54N72 (4d-TM interstitial site occupation), the lowest-formation energy defects are Pdint@C54N72. These results indicate that they have better stabilities. Interestingly, for these formation energy lower systems, Pd0int@C54N72 (ηBi = 1.00 V) and Rh1+N@C54N71 (ηBi = 0.73 V) have ultralow overpotential and can be great candidates for bifunctional OER/ORR electrocatalysts. We find the reason is that adjusting the charge states of 4d-TM@C54N72 can tune the interaction strength between the oxygenated intermediates and the 4d-TM@C54N72, which plays a crucial role in the activity of reactions. Additionally, the data obtained through machine learning (ML) application suggest that the electronegativity (Nm) and bond length of 4d-TM and coordination atoms (dTM-OOH) are primary descriptors characterizing the OER and ORR activities, respectively. The charged defect tuning of the bifunctional OER/ORR activity for 4d-TM@C54N72 would enable electrocatalytic performance optimization and the development of potential electrocatalysts for renewable energy applications.
Collapse
Affiliation(s)
- Dongying Li
- Guizhou Provincial Key Laboratory of Computational Nano-Material Science, Guizhou Education University, Guiyang 550018, China
| | - Aodi Zhang
- Institute for Computational Materials Science, School of Physics and Electronics, International Joint Research Laboratory of New Energy Materials and Devices of Henan Province, Henan University, Kaifeng 475004, China
| | - Zhenzhen Feng
- Institute for Computational Materials Science, School of Physics and Electronics, International Joint Research Laboratory of New Energy Materials and Devices of Henan Province, Henan University, Kaifeng 475004, China
| | - Wentao Wang
- Guizhou Provincial Key Laboratory of Computational Nano-Material Science, Guizhou Education University, Guiyang 550018, China
| |
Collapse
|
6
|
Li YY, Fu XN, Zhu L, Xie Y, Shao GL, Zhou BX, Huang WQ, Huang GF, Wang N. Synergistic effect of composition gradient and morphology on the catalytic activity of amorphous FeCoNi-LDH. NANOSCALE ADVANCES 2024; 6:638-647. [PMID: 38235104 PMCID: PMC10791123 DOI: 10.1039/d3na00949a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 12/22/2023] [Indexed: 01/19/2024]
Abstract
The rational design of electrocatalysts with well-designed compositions and structures for the oxygen evolution reaction (OER) is promising and challenging. Herein, we developed a novel strategy - a one-step double-cation etching sedimentation equilibrium strategy - to synthesize amorphous hollow Fe-Co-Ni layered double hydroxide nanocages with an outer surface of vertically interconnected ultrathin nanosheets (Fe-Co-Ni-LDH), which primarily depends on the in situ etching sedimentation equilibrium of the template interface. This unique vertical nanosheet-shell hierarchical nanostructure possesses enhanced charge transfer, increased active sites, and favorable kinetics during electrolysis, resulting in superb electrocatalytic performance for the oxygen evolution reaction (OER). Specifically, the Fe-Co-Ni-LDH nanocages exhibited remarkable OER activity in alkaline electrolytes and achieved a current density of 100 mA cm-2 at a low overpotential of 272 mV with excellent stability. This powerful strategy provides a profound molecular-level insight into the control of the morphology and composition of 2D layered materials.
Collapse
Affiliation(s)
- Yuan-Yuan Li
- School of Sciences, Henan University of Technology Zhengzhou 450001 China
- Institute of Physical Properties for Quantum Functional Materials, School of Sciences, Henan University of Technology Zhengzhou 450001 China
| | - Xiao Nan Fu
- School of Sciences, Henan University of Technology Zhengzhou 450001 China
| | - Lin Zhu
- School of Sciences, Henan University of Technology Zhengzhou 450001 China
| | - Ying Xie
- School of Sciences, Henan University of Technology Zhengzhou 450001 China
| | - Gong Lei Shao
- Interdisciplinary Research Center for Sustainable Energy Science and Engineering (IRC4SE2), School of Chemical Engineering, Zhengzhou University Zhengzhou 450001 China
| | - Bing-Xin Zhou
- School of Materials Science and Engineering, Henan Polytechnic University Jiaozuo 454003 China
| | - Wei-Qing Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University Changsha 410082 China
| | - Gui-Fang Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University Changsha 410082 China
| | - Na Wang
- School of Sciences, Henan University of Technology Zhengzhou 450001 China
| |
Collapse
|
7
|
Exner KS. Importance of the Walden Inversion for the Activity Volcano Plot of Oxygen Evolution. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2305505. [PMID: 37904648 PMCID: PMC10754130 DOI: 10.1002/advs.202305505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/25/2023] [Indexed: 11/01/2023]
Abstract
Since the birth of the computational hydrogen electrode approach, it is considered that activity trends of electrocatalysts in a homologous series can be quantified by the construction of volcano plots. This method aims to steer materials discovery by the identification of catalysts with an improved reaction kinetics, though evaluated by means of thermodynamic descriptors. The conventional approach for the volcano plot of the oxygen evolution reaction (OER) relies on the assumption of the mononuclear mechanism, comprising the * OH, * O, and * OOH intermediates. In the present manuscript, two new mechanistic pathways, comprising the idea of the Walden inversion in that bond-breaking and bond-making occurs simultaneously, are factored into a potential-dependent OER activity volcano plot. Surprisingly, it turns out that the Walden inversion plays an important role since the activity volcano is governed by mechanistic pathways comprising Walden steps rather than by the traditionally assumed reaction mechanisms under typical OER conditions.
Collapse
Affiliation(s)
- Kai S. Exner
- Faculty of ChemistryTheoretical Inorganic ChemistryUniversity Duisburg‐EssenUniversitätsstraße 545141EssenGermany
- Cluster of Excellence RESOLV44801BochumGermany
- Center for Nanointegration (CENIDE) Duisburg‐Essen47057DuisburgGermany
| |
Collapse
|
8
|
Choudhury D, Das R, Maurya R, Kumawat H, Neergat M. Kinetics of the Oxygen Evolution Reaction (OER) on Amorphous and Crystalline Iridium Oxide Surfaces in Acidic Medium. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:13748-13757. [PMID: 37695734 DOI: 10.1021/acs.langmuir.3c02293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
Amorphous and crystalline IrO2 catalysts are synthesized by the Adams method and characterized with X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The oxygen evolution reaction (OER) is investigated on both the catalyst surfaces in 0.5 M H2SO4 electrolyte. The Tafel slope estimated in the temperature range of 293-333 K on the two surfaces indicates a change in the rate-limiting steps. The data are also analyzed in terms of the Eyring equation to estimate the activation enthalpy (ΔH#) and pre-exponential factor (Af) as a function of overpotential and therefore the charge-transfer coefficient (α). The estimated α values suggest strong electrocatalysis on both the surfaces. While the ΔH# plays a decisive role in the electrocatalysis on the amorphous sample, the trend of Af indicates that an increase in the entropy on the crystalline surface is pivotal in reducing the reaction barrier.
Collapse
Affiliation(s)
- Debittree Choudhury
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Rubul Das
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Rajan Maurya
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Himanshu Kumawat
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Manoj Neergat
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| |
Collapse
|
9
|
Raman AS, Selloni A. Acid-Base Chemistry of a Model IrO 2 Catalytic Interface. J Phys Chem Lett 2023; 14:7787-7794. [PMID: 37616464 DOI: 10.1021/acs.jpclett.3c02001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
Iridium oxide (IrO2) is one of the most efficient catalytic materials for the oxygen evolution reaction (OER), yet the atomic scale structure of its aqueous interface is largely unknown. Herein, the hydration structure, proton transfer mechanisms, and acid-base properties of the rutile IrO2(110)-water interface are investigated using ab initio based deep neural-network potentials and enhanced sampling simulations. The proton affinities of the different surface sites are characterized by calculating their acid dissociation constants, which yield a point of zero charge in agreement with experiments. A large fraction (≈80%) of adsorbed water dissociation is observed, together with a short lifetime (≈0.5 ns) of the resulting terminal hydroxy groups, due to rapid proton exchanges between adsorbed H2O and adjacent OH species. This rapid surface proton transfer supports the suggestion that the rate-determining step in the OER may not involve proton transfer across the double layer into solution, as indicated by recent experiments.
Collapse
Affiliation(s)
- Abhinav S Raman
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Annabella Selloni
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| |
Collapse
|
10
|
Exner KS. On the mechanistic complexity of oxygen evolution: potential-dependent switching of the mechanism at the volcano apex. MATERIALS HORIZONS 2023; 10:2086-2095. [PMID: 36928519 DOI: 10.1039/d3mh00047h] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The anodic four-electron oxygen evolution reaction (OER) corresponds to the limiting process in acidic or alkaline electrolyzers to produce gaseous hydrogen at the cathode of the device. In the last decade, tremendous efforts have been dedicated to the identification of active OER materials by electronic structure calculations in the density functional theory approximation. Most of these works rely on the assumption that the mononuclear mechanism, comprising the *OH, *O, and *OOH intermediates, is operative under OER conditions, and that a single elementary reaction step (most likely *OOH formation) governs the kinetics. In the present manuscript, six different OER mechanisms are analyzed, and potential-dependent volcano curves are constructed to comprehend the electrocatalytic activity of these pathways in the approximation of the descriptor Gmax(U), a potential-dependent activity measure based on the notion of the free-energy span model. While the mononuclear description mainly describes the legs of the volcano plot, corresponding to electrocatalysts with low intrinsic activity, it is demonstrated that the preferred pathway at the volcano apex is a strong function of the applied electrode potential. The observed mechanistic complexity including a switch of the favored pathway with increasing overpotential sets previous investigations aiming at the identification of reaction mechanisms and limiting steps into question since the entire breadth of OER pathways was not accounted for. A prerequisite for future atomic-scale studies on highly active OER catalysts refers to the evaluation of several mechanistic pathways so that neither important mechanistic features are overlooked nor limiting steps are incorrectly determined.
Collapse
Affiliation(s)
- Kai S Exner
- University Duisburg-Essen, Faculty of Chemistry, Theoretical Inorganic Chemistry, Universitätsstraße 5, 45141 Essen, Germany.
- Cluster of Excellence RESOLV, 44801 Bochum, Germany
- Center for Nanointegration (CENIDE) Duisburg-Essen, 47057 Duisburg, Germany
| |
Collapse
|
11
|
Lin Y, Dong Y, Wang X, Chen L. Electrocatalysts for the Oxygen Evolution Reaction in Acidic Media. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2210565. [PMID: 36521026 DOI: 10.1002/adma.202210565] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/09/2022] [Indexed: 06/02/2023]
Abstract
The well-established proton exchange membrane (PEM)-based water electrolysis, which operates under acidic conditions, possesses many advantages compared to alkaline water electrolysis, such as compact design, higher voltage efficiency, and higher gas purity. However, PEM-based water electrolysis is hampered by the low efficiency, instability, and high cost of anodic electrocatalysts for the oxygen evolution reaction (OER). In this review, the recently reported acidic OER electrocatalysts are comprehensively summarized, classified, and discussed. The related fundamental studies on OER mechanisms and the relationship between activity and stability are particularly highlighted in order to provide an atomistic-level understanding for OER catalysis. A stability test protocol is suggested to evaluate the intrinsic activity degradation. Some current challenges and unresolved questions, such as the usage of carbon-based materials and the differences between the electrocatalyst performances in acidic electrolytes and PEM-based electrolyzers are also discussed. Finally, suggestions for the most promising electrocatalysts and a perspective for future research are outlined. This review presents a fresh impetus and guideline to the rational design and synthesis of high-performance acidic OER electrocatalysts for PEM-based water electrolysis.
Collapse
Affiliation(s)
- Yichao Lin
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, 315000, China
| | - Yan Dong
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, 315000, China
| | - Xuezhen Wang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, 315000, China
| | - Liang Chen
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, 315000, China
| |
Collapse
|
12
|
Jenewein KJ, Wang Y, Liu T, McDonald T, Zlatar M, Kulyk N, Benavente Llorente V, Kormányos A, Wang D, Cherevko S. Electrolyte Engineering Stabilizes Photoanodes Decorated with Molecular Catalysts. CHEMSUSCHEM 2023; 16:e202202319. [PMID: 36602840 DOI: 10.1002/cssc.202202319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/04/2023] [Indexed: 06/17/2023]
Abstract
Molecular catalysts are promising oxygen evolution promoters in conjunction with photoanodes for solar water splitting. Maintaining the stability of both photoabsorber and cocatalyst is still a prime challenge, with many efforts tackling this issue through sophisticated material designs. Such approaches often mask the importance of the electrode-electrolyte interface and overlook easily tunable system parameters, such as the electrolyte environment, to improve efficiency. We provide a systematic study on the activity-stability relationship of a prominent Fe2 O3 photoanode modified with Ir molecular catalysts using in situ mass spectroscopy. After gaining detailed insights into the dissolution behavior of the Ir cocatalyst, a comprehensive pH study is conducted to probe the impact of the electrolyte on the performance. An inverse trend in Fe and Ir stability is found, with the best activity-stability synergy obtained at pH 9.7. The results bring awareness to the overall photostability and electrolyte engineering when advancing catalysts for solar water splitting.
Collapse
Affiliation(s)
- Ken J Jenewein
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy IEK-11, Forschungszentrum Jülich GmbH, Cauerstrasse 1, 91058, Erlangen, Germany
- Department of Chemical and Biological Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 3, 91058, Erlangen, Germany
| | - Yuanxing Wang
- Department of Chemistry, Merkert Chemistry Center, Boston College, 2609 Beacon St., Chestnut Hill, MA 02467, USA
| | - Tianying Liu
- Department of Chemistry, Merkert Chemistry Center, Boston College, 2609 Beacon St., Chestnut Hill, MA 02467, USA
| | - Tara McDonald
- Department of Chemistry, Merkert Chemistry Center, Boston College, 2609 Beacon St., Chestnut Hill, MA 02467, USA
| | - Matej Zlatar
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy IEK-11, Forschungszentrum Jülich GmbH, Cauerstrasse 1, 91058, Erlangen, Germany
- Department of Chemical and Biological Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 3, 91058, Erlangen, Germany
| | - Nadiia Kulyk
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy IEK-11, Forschungszentrum Jülich GmbH, Cauerstrasse 1, 91058, Erlangen, Germany
| | - Victoria Benavente Llorente
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy IEK-11, Forschungszentrum Jülich GmbH, Cauerstrasse 1, 91058, Erlangen, Germany
| | - Attila Kormányos
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy IEK-11, Forschungszentrum Jülich GmbH, Cauerstrasse 1, 91058, Erlangen, Germany
- Department of Physical Chemistry and Materials Science, Interdisciplinary Excellence Centre, University of Szeged, Aradi Square 1, Szeged, H-6720, Hungary
| | - Dunwei Wang
- Department of Chemistry, Merkert Chemistry Center, Boston College, 2609 Beacon St., Chestnut Hill, MA 02467, USA
| | - Serhiy Cherevko
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy IEK-11, Forschungszentrum Jülich GmbH, Cauerstrasse 1, 91058, Erlangen, Germany
| |
Collapse
|
13
|
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
|
14
|
Wu Z, Liao T, Wang S, Li W, Wijerathne B, Hu W, O'Mullane AP, Gu Y, Sun Z. Volcano relationships and a new activity descriptor of 2D transition metal-Fe layered double hydroxides for efficient oxygen evolution reaction. MATERIALS HORIZONS 2023; 10:632-645. [PMID: 36520148 DOI: 10.1039/d2mh01217k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Iron (Fe) sites play a critical role in boosting the catalytic activity of transition metal layered double hydroxide (LDH) electrocatalysts for the oxygen evolution reaction (OER), but the contribution of the Fe content to the catalysis of Fe-doped LDHs is still not well understood. Herein, a series of two-dimensional (2D) Fe-doped MFe-LDHs (M = Co, Ni, Cu, and Mn) was synthesized via a general molecular self-assembly method to track the role of Fe in their electrocatalytic OER activities. Besides the revelation of the intrinsic activity trend of NiFe > CoFe > MnFe > CuFe, volcano-shaped relationships among the catalytic activity descriptors, i.e., overpotential, Tafel slope, and turnover frequency (TOF), and the Fe-content in MFe-LDHs, were identified. Specifically, a ∼20% Fe content resulted in the highest OER performance for the LDH, while excess Fe compromised its activity. A similar volcano relationship was determined between the intermediate adsorption and Fe content via operando impedance spectroscopy (EIS) measurements, and it was shown that the intermediate adsorption capacitance (CPEad) can be a new activity descriptor for electrocatalysts. In this work, we not only performed a systematic study on the role of Fe in 2D Fe-doped LDHs but also offer some new insights into the activity descriptors for electrocatalysts.
Collapse
Affiliation(s)
- Ziyang Wu
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia.
| | - Ting Liao
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia.
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia.
| | - Sen Wang
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
| | - Wei Li
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
| | - Binodhya Wijerathne
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
| | - Wanping Hu
- Central Analytical Research Facility, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
| | - Anthony P O'Mullane
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia.
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
| | - Yuantong Gu
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia.
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia.
| | - Ziqi Sun
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia.
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
| |
Collapse
|
15
|
Yang PZ, Wang X, Zhang LJ, Tong N, Wang XL. Electrochemically Reconstructed Vanadic Oxide-Doped Cobalt Pyrophosphate as an Electrocatalyst for the Oxygen Evolution Reaction. Inorg Chem 2023; 62:2317-2325. [PMID: 36696163 DOI: 10.1021/acs.inorgchem.2c04064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
More and more attention has been paid to the development of the efficient electrocatalysts for the oxygen evolution reaction (OER). Herein, a porous vanadic oxide-doped cobalt pyrophosphate electrocatalyst, namely V2O5-Co2P2O7, was exploited by using the electrochemical reconstruction method in the alkaline electrolyte and selecting a cobalt vanadium phosphate Co(H2O)4(VOPO4)2 as a precursor. The reconstructed vanadic oxide-doped cobalt pyrophosphate catalyst V2O5-Co2P2O7 exhibited efficient electrocatalytic activity for the OER in 1.0 M KOH, requiring a low overpotential of 199 mV at 10 mA cm-2, compared to the reported pyrophosphate electrocatalysts. The porous morphology and doping of vanadic oxide after electrochemical reconstruction were beneficial to enhance the electrocatalytic performance for the OER, through improving the surface area to bring in more accessibly active sites and regulating the electronic structures. The results provided a promising strategy to prepare the pyrophosphate electrocatalysts and improve the performance of the OER catalyst.
Collapse
Affiliation(s)
- Pei-Ze Yang
- College of Chemistry and Materials Engineering, Liaoning Professional Technology Innovation Center of Liaoning Province for Conversion Materials of Solar Cell, Bohai University, Jinzhou 121000, P. R. China
| | - Xiang Wang
- College of Chemistry and Materials Engineering, Liaoning Professional Technology Innovation Center of Liaoning Province for Conversion Materials of Solar Cell, Bohai University, Jinzhou 121000, P. R. China
| | - Ling-Jie Zhang
- College of Chemistry and Materials Engineering, Liaoning Professional Technology Innovation Center of Liaoning Province for Conversion Materials of Solar Cell, Bohai University, Jinzhou 121000, P. R. China
| | - Na Tong
- College of Chemistry and Materials Engineering, Liaoning Professional Technology Innovation Center of Liaoning Province for Conversion Materials of Solar Cell, Bohai University, Jinzhou 121000, P. R. China
| | - Xiu-Li Wang
- College of Chemistry and Materials Engineering, Liaoning Professional Technology Innovation Center of Liaoning Province for Conversion Materials of Solar Cell, Bohai University, Jinzhou 121000, P. R. China
| |
Collapse
|
16
|
Peng D, Hu C, Luo X, Huang J, Ding Y, Zhou W, Zhou H, Yang Y, Yu T, Lei W, Yuan C. Electrochemical Reconstruction of NiFe/NiFeOOH Superparamagnetic Core/Catalytic Shell Heterostructure for Magnetic Heating Enhancement of Oxygen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205665. [PMID: 36404111 DOI: 10.1002/smll.202205665] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Although (oxy)hydroxides generated by electrochemical reconstruction (EC-reconstruction) of transition-metal catalysts exhibit highly catalytic activities, the amorphous nature fundamentally impedes the electrochemical kinetics due to its poor electrical conductivity. Here, EC-reconstructed NiFe/NiFeOOH core/shell nanoparticles in highly conductive carbon matrix based on the pulsed laser deposition prepared NiFe nanoparticles is successfully confined. Electrochemical characterizations and first-principles calculations demonstrate that the reconstructed NiFe/NiFeOOH core/shell nanoparticles exhibit high oxygen evolution reaction (OER) electrocatalytic activity (a low overpotential of 342.2 mV for 10 mA cm-2 ) and remarkable durability due to the efficient charge transfer in the highly conductive confined heterostructure. More importantly, benefit from the superparamagnetic nature of the reconstructed NiFe/NiFeOOH core/shell nanoparticles, a large OER improvement is achieved (an ultralow overpotential of 209.2 mV for 10 mA cm-2 ) with an alternating magnetic field stimulation. Such OER improvement can be attributed to the Néel relaxation related magnetic heating effect functionalized superparamagnetic NiFe cores, which are generally underutilized in reconstructed core/shell nanoparticles. This work demonstrates that the designed superparamagnetic core/shell nanoparticles, combined with the large improvement by magnetic heating effect, are expected to be highly efficient OER catalysts along with the confined structure guaranteed high conductivity and catalytic stability.
Collapse
Affiliation(s)
- Dongquan Peng
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Ce Hu
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
- Analytical & Testing Center, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Xingfang Luo
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Jinli Huang
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Yan Ding
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Wenda Zhou
- School of Materials Science and Engineering, Anhui University, 111 Jiulong Road, Hefei, Anhui, 230601, China
| | - Hang Zhou
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Yong Yang
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Ting Yu
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Wen Lei
- Department of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Australia
| | - Cailei Yuan
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| |
Collapse
|
17
|
Huang H, Luo Y, Zhang L, Zhang H, Wang Y. Cobalt-nickel alloys supported on Ti4O7 and embedded in N, S doped carbon nanofibers as an efficient and stable bifunctional catalyst for Zn-air batteries. J Colloid Interface Sci 2023; 630:763-771. [DOI: 10.1016/j.jcis.2022.10.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/05/2022] [Accepted: 10/12/2022] [Indexed: 11/07/2022]
|
18
|
Abstract
Adsorption energy (AE) of reactive intermediate is currently the most important descriptor for electrochemical reactions (e.g., water electrolysis, hydrogen fuel cell, electrochemical nitrogen fixation, electrochemical carbon dioxide reduction, etc.), which can bridge the gap between catalyst's structure and activity. Tracing the history and evolution of AE can help to understand electrocatalysis and design optimal electrocatalysts. Focusing on oxygen electrocatalysis, this review aims to provide a comprehensive introduction on how AE is selected as the activity descriptor, the intrinsic and empirical relationships related to AE, how AE links the structure and electrocatalytic performance, the approaches to obtain AE, the strategies to improve catalytic activity by modulating AE, the extrinsic influences on AE from the environment, and the methods in circumventing linear scaling relations of AE. An outlook is provided at the end with emphasis on possible future investigation related to the obstacles existing between adsorption energy and electrocatalytic performance.
Collapse
Affiliation(s)
- Junming Zhang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
| | - Hong Bin Yang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
| | - Daojin Zhou
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.,Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
| |
Collapse
|
19
|
Kutlusoy T, Divanis S, Pittkowski R, Marina R, Frandsen AM, Minhova-Macounova K, Nebel R, Zhao D, Mertens SFL, Hoster H, Krtil P, Rossmeisl J. Synergistic effect of p-type and n-type dopants in semiconductors for efficient electrocatalytic water splitting. Chem Sci 2022; 13:13879-13892. [PMID: 36544721 PMCID: PMC9710220 DOI: 10.1039/d2sc04585k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 10/04/2022] [Indexed: 11/16/2022] Open
Abstract
The main challenge for acidic water electrolysis is the lack of active and stable oxygen evolution catalysts based on abundant materials, which are globally scalable. Iridium oxide is the only material which is active and stable. However, Ir is extremely rare. While both active materials and stable materials exist, those that are active are usually not stable and vice versa. In this work, we present a new design strategy for activating stable materials originally deemed unsuitable due to a semiconducting nature and wide band gap energy. These stable semiconductors cannot change oxidation state under the relevant reaction conditions. Based on DFT calculations, we find that adding an n-type dopant facilitates oxygen binding on semiconductor surfaces. The binding is, however, strong and prevents further binding or desorption of oxygen. By combining both n-type and p-type dopants, the reactivity can be tuned so that oxygen can be adsorbed and desorbed under reaction conditions. The tuning results from the electrostatic interactions between the dopants as well as between the dopants and the binding site. This concept is experimentally verified on TiO2 by co-substituting with different pairs of n- and p-type dopants. Our findings suggest that the co-substitution approach can be used to activate stable materials, with no intrinsic oxygen evolution activity, to design new catalysts for acid water electrolysis.
Collapse
Affiliation(s)
- Tugce Kutlusoy
- Center of High Entropy Alloy Catalysis, Department of Chemistry, University of Copenhagen Universitetsparken 5, København Ø 2100 Copenhagen Denmark
| | - Spyridon Divanis
- Center of High Entropy Alloy Catalysis, Department of Chemistry, University of Copenhagen Universitetsparken 5, København Ø 2100 Copenhagen Denmark
| | - Rebecca Pittkowski
- Center of High Entropy Alloy Catalysis, Department of Chemistry, University of Copenhagen Universitetsparken 5, København Ø 2100 Copenhagen Denmark
- J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic Dolejskova 3 Prague 18223 Czech Republic
| | - Riccardo Marina
- New Application Research, Research and Development Division, Industrie De Nora S.p.A. 20134 Milan Italy
| | - Adrian M Frandsen
- Center of High Entropy Alloy Catalysis, Department of Chemistry, University of Copenhagen Universitetsparken 5, København Ø 2100 Copenhagen Denmark
| | - Katerina Minhova-Macounova
- J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic Dolejskova 3 Prague 18223 Czech Republic
| | - Roman Nebel
- J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic Dolejskova 3 Prague 18223 Czech Republic
| | - Dongni Zhao
- Department of Chemistry, Energy Lancaster and Materials Science Institute, Lancaster University Lancaster LA1 4YB UK
| | - Stijn F L Mertens
- Department of Chemistry, Energy Lancaster and Materials Science Institute, Lancaster University Lancaster LA1 4YB UK
| | - Harry Hoster
- Department of Chemistry, Energy Lancaster and Materials Science Institute, Lancaster University Lancaster LA1 4YB UK
- Fakultät für Ingenieurwissenschaften, Lehrstuhl Energietechnik, Universität Duisburg-Essen Lotharstra. 1 47048 Duisburg Germany
| | - Petr Krtil
- J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic Dolejskova 3 Prague 18223 Czech Republic
| | - Jan Rossmeisl
- Center of High Entropy Alloy Catalysis, Department of Chemistry, University of Copenhagen Universitetsparken 5, København Ø 2100 Copenhagen Denmark
| |
Collapse
|
20
|
Gao J, Liu Y, Liu B, Huang KW. Progress of Heterogeneous Iridium-Based Water Oxidation Catalysts. ACS NANO 2022; 16:17761-17777. [PMID: 36355040 DOI: 10.1021/acsnano.2c08519] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The water oxidation reaction (or oxygen evolution reaction, OER) plays a critical role in green hydrogen production via water splitting, electrochemical CO2 reduction, and nitrogen fixation. The four-electron and four-proton transfer OER process involves multiple reaction intermediates and elementary steps that lead to sluggish kinetics; therefore, a high overpotential is necessary to drive the reaction. Among the different water-splitting electrolyzers, the proton exchange membrane type electrolyzer has greater advantages, but its anode catalysts are limited to iridium-based materials. The iridium catalyst has been extensively studied in recent years due to its balanced activity and stability for acidic OER, and many exciting signs of progress have been made. In this review, the surface and bulk Pourbaix diagrams of iridium species in an aqueous solution are introduced. The iridium-based catalysts, including metallic or oxides, amorphous or crystalline, single crystals, atomically dispersed or nanostructured, and iridium compounds for OER, are then elaborated. The latest progress of active sites, reaction intermediates, reaction kinetics, and elementary steps is summarized. Finally, future research directions regarding iridium catalysts for acidic OER are discussed.
Collapse
Affiliation(s)
- Jiajian Gao
- Agency for Science, Technology, and Research, Institute of Sustainability for Chemicals, Energy and Environment, 1 Pesek Road, Jurong Island, Singapore627833
| | - Yan Liu
- Agency for Science, Technology, and Research, Institute of Sustainability for Chemicals, Energy and Environment, 1 Pesek Road, Jurong Island, Singapore627833
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore637459
| | - Kuo-Wei Huang
- Agency for Science, Technology, and Research, Institute of Sustainability for Chemicals, Energy and Environment, 1 Pesek Road, Jurong Island, Singapore627833
- KAUST Catalysis Center and Division of Science and Engineering, King Abdullah University of Science and Technology, Thuwal23955-6900, Saudi Arabia
- Agency for Science, Technology, and Research, Institute of Materials Research and Engineering, Singapore138634
| |
Collapse
|
21
|
He J, Fu G, Zhang J, Xu P, Sun J. Multistage Electron Distribution Engineering of Iridium Oxide by Codoping W and Sn for Enhanced Acidic Water Oxidation Electrocatalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2203365. [PMID: 36089667 DOI: 10.1002/smll.202203365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/26/2022] [Indexed: 06/15/2023]
Abstract
Developing efficient and robust anodic electrocatalysts to implement the proton-exchange membrane (PEM) electrolyzer is critical for hydrogen generation. Nevertheless, the only known applicable anode catalyst IrOx in PEM electrolyzers still requires high overpotential due to the weak binding energy between oxygen intermediates and active sites, limiting its wide applications. Herein, a ternary Ir0.7 W0.2 Sn0.1 Ox nanocatalyst synthesized through a sol-gel strategy, exhibits a low overpotential of 236 mV (10 mA cm-2 geo ) for thoxygen evolution reaction (OER), accompanied with robust durability over 220 h at 1 A cm-2 geo in 0.5 m H2 SO4 . Moreover, the optimized Ir0.7 W0.2 Sn0.1 Ox delivers a prominent mass activity of 722.7 A g-1 Ir at 1.53 V (vs RHE), which is around 34 times higher compared with that of IrOx . The mircrostructural analyses reveal that codoping of W and Sn stabilizes Ir with a valence state lower than 4+ through multistage charge redistribution, avoiding the overoxidation of Ir above 1.6 V versus RHE and enhancing the acidic OER performance. Additionally, density functional theory calculations reveal that codoping of W and Sn moves the d band center of Ir to the Fermi level, thus enhancing the binding energies of oxygen intermediates with Ir sites and decreasing the energy barrier toward acidic OER.
Collapse
Affiliation(s)
- Jing He
- State Key Laboratory of Urban Water Resource and Environment, MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150080, China
| | - Gang Fu
- State Key Laboratory of Urban Water Resource and Environment, MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150080, China
| | - Jiaxu Zhang
- State Key Laboratory of Urban Water Resource and Environment, MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150080, China
| | - Ping Xu
- State Key Laboratory of Urban Water Resource and Environment, MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150080, China
| | - Jianmin Sun
- State Key Laboratory of Urban Water Resource and Environment, MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150080, China
| |
Collapse
|
22
|
Mass Transport Limitations in Electrochemical Conversion of CO2 to Formic Acid at High Pressure. ELECTROCHEM 2022. [DOI: 10.3390/electrochem3030038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Mass transport of different species plays a crucial role in electrochemical conversion of CO2 due to the solubility limit of CO2 in aqueous electrolytes. In this study, we investigate the transport of CO2 and other ionic species through the electrolyte and the membrane, and its impact on the scale-up process of HCOO−/HCOOH formation. The mass transport of ions to the electrode and the membrane is modelled at constant current density. The mass transport limitations of CO2 on the formation of HCOO−/HCOOH is investigated at different pressures ranges from 5–40 bar. The maximum achievable partial current density of formate/formic acid is increased with increasing CO2 pressure. We use an ion exchange membrane model to understand the ion transport behaviour for both the monopolar and bipolar membranes. The cation exchange (CEM) and anion exchange membrane (AEM) model show that ion transport is limited by the electrolyte salt concentrations. For 0.1 M KHCO3, the AEM reaches the limiting current density more quickly than the CEM. For the BPM model, ion transport across the diffusion layer on either side of the BPM is also included to understand the concentration polarization across the BPM. The model revealed that the polarization losses across the bipolar membrane depend on the pH of the electrolyte used for the CO2 reduction reaction (CO2RR). The polarization loss on the anolyte side decreases with an increasing pH, while, on the cathode side, it increases with increasing catholyte pH. With this combined model for the electrode reactions and the membrane transport, we are able to account for the various factors influencing the polarization losses in the CO2 electrolyzer. To complete the analysis, we simulated the full cell polarization curve and fitted with the experimental data.
Collapse
|
23
|
Li W, Wang J, Chen J, Chen K, Wen Z, Huang A. Core-Shell Carbon-Based Bifunctional Electrocatalysts Derived from COF@MOF Hybrid for Advanced Rechargeable Zn-Air Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202018. [PMID: 35808960 DOI: 10.1002/smll.202202018] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 06/27/2022] [Indexed: 06/15/2023]
Abstract
The development of highly active carbon-based bifunctional electrocatalysts for both the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is highly desired, but still full of challenges in rechargeable Zn-air batteries. Metal organic frameworks (MOFs) and covalent organic frameworks (COFs) have gained great attention for various applications due to their attractive features of structural tunability, high surface area and high porosity. Herein, a core-shell structured carbon-based hybrid electrocatalyst (H-NSC@Co/NSC), which contains high density active sites of MOF-derived shell (Co/NSC) and COF-derived hollow core (H-NSC), is successfully fabricated by direct pyrolysis of covalently-connected COF@ZIF-67 hybrid. The core-shell H-NSC@Co/NSC hybrid manifests excellent catalytic properties toward both OER and ORR with a small potential gap (∆E = 0.75 V). The H-NSC@Co/NSC assembled Zn-air battery exhibits a high power-density of 204.3 mW cm-2 and stable rechargeability, outperforming that of Pt/C+RuO2 assembled Zn-air battery. Density functional theory calculations reveal that the electronic structure of the carbon frameworks on the Co/NSC shell can be effectively modulated by the embedded Co nanoparticles (NPs), facilitating the adsorption of oxygen intermediates and leading to enhanced catalytic activity. This work will provide a strategy to design highly-efficient electrocatalysts for application in energy conversion and storage.
Collapse
Affiliation(s)
- Wei Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Jingyun Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Junxiang Chen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Kai Chen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Zhenhai Wen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Aisheng Huang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| |
Collapse
|
24
|
Improved Durability of Highly Active IrOx Electrodes for Electrocatalytic Oxygen Evolution Reaction. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00764-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
|
25
|
Sustainable oxygen evolution electrocatalysis in aqueous 1 M H 2SO 4 with earth abundant nanostructured Co 3O 4. Nat Commun 2022; 13:4341. [PMID: 35896541 PMCID: PMC9329283 DOI: 10.1038/s41467-022-32024-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 07/13/2022] [Indexed: 11/08/2022] Open
Abstract
Earth-abundant electrocatalysts for the oxygen evolution reaction (OER) able to work in acidic working conditions are elusive. While many first-row transition metal oxides are competitive in alkaline media, most of them just dissolve or become inactive at high proton concentrations where hydrogen evolution is preferred. Only noble-metal catalysts, such as IrO2, are fast and stable enough in acidic media. Herein, we report the excellent activity and long-term stability of Co3O4-based anodes in 1 M H2SO4 (pH 0.1) when processed in a partially hydrophobic carbon-based protecting matrix. These Co3O4@C composites reliably drive O2 evolution a 10 mA cm-2 current density for >40 h without appearance of performance fatigue, successfully passing benchmarking protocols without incorporating noble metals. Our strategy opens an alternative venue towards fast, energy efficient acid-media water oxidation electrodes.
Collapse
|
26
|
Kuo DY, Lu X, Hu B, Abruña HD, Suntivich J. Rate and Mechanism of Electrochemical Formation of Surface-Bound Hydrogen on Pt(111) Single Crystals. J Phys Chem Lett 2022; 13:6383-6390. [PMID: 35797962 DOI: 10.1021/acs.jpclett.2c01734] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The formation of surface-bound hydrogen from one proton and one electron plays an enabling role in renewable hydrogen production. Quantifying the surface-bound hydrogen formation, however, requires decoupling the delicate interplay of numerous processes. We study cyclic voltammetry (CV) at fast scan rates to characterize the rate constant for the surface-bound hydrogen formation (also known as underpotential deposition hydrogen, UPD Had). We find that the formation of Had on Pt(111) single crystals is ∼100× faster in acid than in base. Reaction-order analysis indicates that the formation of Had occurs as a standard proton-coupled electron transfer (PCET) reaction in acid, whereas in base, it displays a pH-independent rate constant, indicating the presence of a chemical step such as the reorganization of interfacial water. Our results provide a methodology for quantifying the interfacial PCET kinetics and reveal the mechanistic nature of the UPD Had formation as the reason the hydrogen evolution electrocatalysis on Pt is faster in acid than in base.
Collapse
Affiliation(s)
- Ding-Yuan Kuo
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Xinyao Lu
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Bintao Hu
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Héctor D Abruña
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14853, United States
| | - Jin Suntivich
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14853, United States
| |
Collapse
|
27
|
Binninger T, Doublet ML. The Ir-OOOO-Ir transition state and the mechanism of the oxygen evolution reaction on IrO 2(110). ENERGY & ENVIRONMENTAL SCIENCE 2022; 15:2519-2528. [PMID: 36204599 PMCID: PMC9450941 DOI: 10.1039/d2ee00158f] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 05/04/2022] [Indexed: 05/14/2023]
Abstract
Carefully assessing the energetics along the pathway of the oxygen evolution reaction (OER), our computational study reveals that the "classical" OER mechanism on the (110) surface of iridium dioxide (IrO2) must be reconsidered. We find that the OER follows a bi-nuclear mechanism with adjacent top surface oxygen atoms as fixed adsorption sites, whereas the iridium atoms underneath play an indirect role and maintain their saturated 6-fold oxygen coordination at all stages of the reaction. The oxygen molecule is formed, via an Ir-OOOO-Ir transition state, by association of the outer oxygen atoms of two adjacent Ir-OO surface entities, leaving two intact Ir-O entities at the surface behind. This is drastically different from the commonly considered mono-nuclear mechanism where the O2 molecule evolves by splitting of the Ir-O bond in an Ir-OO entity. We regard the rather weak reducibility of crystalline IrO2 as the reason for favoring the novel pathway, which allows the Ir-O bonds to remain stable and explains the outstanding stability of IrO2 under OER conditions. The establishment of surface oxygen atoms as fixed electrocatalytically active sites on a transition-metal oxide represents a paradigm shift for the understanding of water oxidation electrocatalysis, and it reconciles the theoretical understanding of the OER mechanism on iridium oxide with recently reported experimental results from operando X-ray spectroscopy. The novel mechanism provides an efficient OER pathway on a weakly reducible oxide, defining a new strategy towards the design of advanced OER catalysts with combined activity and stability.
Collapse
|
28
|
Du S, Ren Z, Wang X, Wu J, Meng H, Fu H. Controlled Atmosphere Corrosion Engineering toward Inhomogeneous NiFe-LDH for Energetic Oxygen Evolution. ACS NANO 2022; 16:7794-7803. [PMID: 35435674 DOI: 10.1021/acsnano.2c00332] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The "Fe effect" can maximize the activity of nickel-iron layered double hydroxides (NiFe-LDH) toward oxygen evolution reaction (OER) when the iron content, the lattice distortion, the conductivity, and other related factors are well balanced. It is difficult for the homogeneous NiFe-LDH to take good care of the above requirements at the same time. Herein, we proposed an elaborate atmosphere corrosion strategy to construct porous NiFe-LDH with rich edge/surface-Fe defects on Ni foam (NF). Such edge/surface-Fe defects, mainly caused by the local unequal-stoichiometric ratio of Fe/Ni in the nanometer or subnanometer region, are determined by the unbalanced permeating of the acid vapor and the confined reaction of local Fe and Ni species ionized by the acid vapor. Benefiting from the abundant and fantastic edge/surface-Fe defects, the optimal NiFe-LDH prepared by atmosphere corrosion is more energetic for OER than that synthesized in conventional liquid phase, only a potential of 1.481 and 1.552 VRHE to respectively achieve the current density of 100 and 1000 mA cm-2 as well as a satisfactory stability and reproducibility. An overall water-splitting system assembled by inhomogeneous NiFe-LDH and commercial Pt-C can reach a current density of 100 mA cm-2 at a solar cell of 1.72 V. Additionally, the atmosphere corrosion is very suitable for the large-scale, green, and economic synthesis of metal-based catalysts with high enrichment of defects, highlighting its potential for device and industrial applications.
Collapse
Affiliation(s)
- Shichao Du
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| | - Zhiyu Ren
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| | - Xiaolei Wang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| | - Jun Wu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| | - Huiyuan Meng
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| | - Honggang Fu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China
| |
Collapse
|
29
|
Liu HJ, Chiang CY, Wu YS, Lin LR, Ye YC, Huang YH, Tsai JL, Lai YC, Munprom R. Breaking the Relation between Activity and Stability of the Oxygen-Evolution Reaction by Highly Doping Ru in Wide-Band-Gap SrTiO 3 as Electrocatalyst. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05539] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Heng-Jui Liu
- Department of Material Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Ching-Yu Chiang
- National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - Yun-Sheng Wu
- Department of Material Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Li-Ren Lin
- Department of Material Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Yi-Chen Ye
- Department of Material Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Yi-Hong Huang
- Department of Material Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Jai-Lin Tsai
- Department of Material Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Ying-Chih Lai
- Department of Material Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Ratiporn Munprom
- Department of Materials Engineering, Kasetsart University, Bangkok 10900, Thailand
| |
Collapse
|
30
|
Bozal-Ginesta C, Rao RR, Mesa CA, Wang Y, Zhao Y, Hu G, Antón-García D, Stephens IEL, Reisner E, Brudvig GW, Wang D, Durrant JR. Spectroelectrochemistry of Water Oxidation Kinetics in Molecular versus Heterogeneous Oxide Iridium Electrocatalysts. J Am Chem Soc 2022; 144:8454-8459. [PMID: 35511107 PMCID: PMC9121376 DOI: 10.1021/jacs.2c02006] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Water oxidation is the step limiting
the efficiency of electrocatalytic
hydrogen production from water. Spectroelectrochemical analyses are
employed to make a direct comparison of water oxidation reaction kinetics
between a molecular catalyst, the dimeric iridium catalyst [Ir2(pyalc)2(H2O)4-(μ-O)]2+ (IrMolecular, pyalc
= 2-(2′pyridinyl)-2-propanolate) immobilized on a mesoporous
indium tin oxide (ITO) substrate, with that of an heterogeneous electrocatalyst,
an amorphous hydrous iridium (IrOx) film. For both systems, four analogous redox states were
detected, with the formation of Ir(4+)–Ir(5+) being the potential-determining
step in both cases. However, the two systems exhibit distinct water
oxidation reaction kinetics, with potential-independent first-order
kinetics for IrMolecular contrasting
with potential-dependent kinetics for IrOx. This is attributed to water oxidation on the heterogeneous
catalyst requiring co-operative effects between neighboring oxidized
Ir centers. The ability of IrMolecular to drive water oxidation without such co-operative effects
is explained by the specific coordination environment around its Ir
centers. These distinctions between molecular and heterogeneous reaction
kinetics are shown to explain the differences observed in their water
oxidation electrocatalytic performance under different potential conditions.
Collapse
Affiliation(s)
- Carlota Bozal-Ginesta
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Reshma R Rao
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Camilo A Mesa
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Yuanxing Wang
- Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, Massachusetts 02467, United States
| | - Yanyan Zhao
- Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, Massachusetts 02467, United States
| | - Gongfang Hu
- Yale Energy Sciences Institute and Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Daniel Antón-García
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Ifan E L Stephens
- Department of Materials, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Erwin Reisner
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Gary W Brudvig
- Yale Energy Sciences Institute and Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Dunwei Wang
- Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, Massachusetts 02467, United States
| | - James R Durrant
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| |
Collapse
|
31
|
Svane KL, Rossmeisl J. Theoretical Optimization of Compositions of High-Entropy Oxides for the Oxygen Evolution Reaction. Angew Chem Int Ed Engl 2022; 61:e202201146. [PMID: 35225378 PMCID: PMC9314724 DOI: 10.1002/anie.202201146] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Indexed: 11/30/2022]
Abstract
High-entropy oxides are oxides consisting of five or more metals incorporated in a single lattice, and the large composition space suggests that properties of interest can be readily optimised. For applications within catalysis, the different local atomic environments result in a distribution of binding energies for the catalytic intermediates. Using the oxygen evolution reaction on the rutile (110) surface as example, here we outline a strategy for the theoretical optimization of the composition. Density functional theory calculations performed for a limited number of sites are used to fit a model that predicts the reaction energies for all possible local atomic environments. Two reaction pathways are considered; the conventional pathway on the coordinatively unsaturated sites and an alternative pathway involving transfer of protons to a bridging oxygen. An explicit model of the surface is constructed to describe the interdependency of the two pathways and identify the composition that maximizes catalytic activity.
Collapse
Affiliation(s)
- Katrine L. Svane
- Center for High Entropy Alloy CatalysisDepartment of ChemistryCopenhagen UniversityUniversitetsparken 52100København KDenmark
| | - Jan Rossmeisl
- Center for High Entropy Alloy CatalysisDepartment of ChemistryCopenhagen UniversityUniversitetsparken 52100København KDenmark
| |
Collapse
|
32
|
Loh A, Trudgeon DP, Li X, Liu MC, Kong LB, Walsh FC. Selection of oxygen reduction catalysts for secondary tri-electrode zinc-air batteries. Sci Rep 2022; 12:6696. [PMID: 35461322 PMCID: PMC9035146 DOI: 10.1038/s41598-022-10671-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 03/29/2022] [Indexed: 11/24/2022] Open
Abstract
Oxygen reduction reaction (ORR) electrocatalysts, which are highly efficient, low-cost, yet durable, are important for secondary Zn–air cell applications. ORR activities of single and mixed metal oxide and carbon electrocatalysts were studied using rotating disc electrode (RDE) measurements, Tafel slope and Koutecky–Levich plots. It was found that MnOx combined with XC-72R demonstrated high ORR activity and good stability—up to 100 mA cm−2. The performance of the selected ORR electrode and a previously optimised oxygen evolution reaction (OER) electrode was thereafter tested in a custom-built secondary Zn–air cell in a tri-electrode configuration, and the effects of current density, electrolyte molarity, temperature, and oxygen purity on the performance of the ORR and OER electrode were investigated. Finally, the durability of the secondary Zn–air system was assessed, demonstrating energy efficiencies of 58–61% at 20 mA cm−2 over 40 h in 4 M NaOH + 0.3 M ZnO at 333 K.
Collapse
Affiliation(s)
- Adeline Loh
- Renewable Energy Group, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK
| | - David P Trudgeon
- Renewable Energy Group, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK
| | - Xiaohong Li
- Renewable Energy Group, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK.
| | - Mao-Cheng Liu
- State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, 730050, China
| | - Ling-Bin Kong
- State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, 730050, China
| | - Frank C Walsh
- Electrochemical Engineering Laboratory, Energy Technology Group, Department of Mechanical Engineering, University of Southampton, Southampton, SO17 1BJ, UK
| |
Collapse
|
33
|
Rao RR, Corby S, Bucci A, García-Tecedor M, Mesa CA, Rossmeisl J, Giménez S, Lloret-Fillol J, Stephens IEL, Durrant JR. Spectroelectrochemical Analysis of the Water Oxidation Mechanism on Doped Nickel Oxides. J Am Chem Soc 2022; 144:7622-7633. [PMID: 35442661 PMCID: PMC9073940 DOI: 10.1021/jacs.1c08152] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Metal oxides and
oxyhydroxides exhibit state-of-the-art activity
for the oxygen evolution reaction (OER); however, their reaction mechanism,
particularly the relationship between charging of the oxide and OER
kinetics, remains elusive. Here, we investigate a series of Mn-, Co-,
Fe-, and Zn-doped nickel oxides using operando UV–vis
spectroscopy coupled with time-resolved stepped potential spectroelectrochemistry.
The Ni2+/Ni3+ redox peak potential is found
to shift anodically from Mn- < Co- < Fe- < Zn-doped samples,
suggesting a decrease in oxygen binding energetics from Mn- to Zn-doped
samples. At OER-relevant potentials, using optical absorption spectroscopy,
we quantitatively detect the subsequent oxidation of these redox centers.
The OER kinetics was found to have a second-order dependence on the
density of these oxidized species, suggesting a chemical rate-determining
step involving coupling of two oxo species. The intrinsic turnover
frequency per oxidized species exhibits a volcano trend with the binding
energy of oxygen on the Ni site, having a maximum activity of ∼0.05
s–1 at 300 mV overpotential for the Fe-doped sample.
Consequently, we propose that for Ni centers that bind oxygen too
strongly (Mn- and Co-doped oxides), OER kinetics is limited by O–O
coupling and oxygen desorption, while for Ni centers that bind oxygen
too weakly (Zn-doped oxides), OER kinetics is limited by the formation
of oxo groups. This study not only experimentally demonstrates the
relation between electroadsorption free energy and intrinsic kinetics
for OER on this class of materials but also highlights the critical
role of oxidized species in facilitating OER kinetics.
Collapse
Affiliation(s)
- Reshma R Rao
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, London W12 0BZ, U.K
| | - Sacha Corby
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, London W12 0BZ, U.K
| | - Alberto Bucci
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, 43007 Tarragona, Spain
| | - Miguel García-Tecedor
- Institute of Advanced Materials (INAM), University Jaume I, 12071 Castello de la Plana, Spain
| | - Camilo A Mesa
- Institute of Advanced Materials (INAM), University Jaume I, 12071 Castello de la Plana, Spain
| | - Jan Rossmeisl
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen DK-2100, Denmark
| | - Sixto Giménez
- Institute of Advanced Materials (INAM), University Jaume I, 12071 Castello de la Plana, Spain
| | - Julio Lloret-Fillol
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, 43007 Tarragona, Spain
| | - Ifan E L Stephens
- Department of Materials, Royal School of Mines, Imperial College London, South Kensington Campus, London SW7 2AZ, U.K
| | - James R Durrant
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, London W12 0BZ, U.K
| |
Collapse
|
34
|
Huang G, Li Y, Chen R, Xiao Z, Du S, Huang Y, Xie C, Dong C, Yi H, Wang S. Electrochemically formed PtFeNi alloy nanoparticles on defective NiFe LDHs with charge transfer for efficient water splitting. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(21)63926-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
35
|
Svane KL, Rossmeisl J. Theoretical Optimization of Compositions of High‐Entropy Oxides for the Oxygen Evolution Reaction**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Katrine L. Svane
- Center for High Entropy Alloy Catalysis Department of Chemistry Copenhagen University Universitetsparken 5 2100 København K Denmark
| | - Jan Rossmeisl
- Center for High Entropy Alloy Catalysis Department of Chemistry Copenhagen University Universitetsparken 5 2100 København K Denmark
| |
Collapse
|
36
|
Cu2S Nanoflakes Decorated with NiS Nanoneedles for Enhanced Oxygen Evolution Activity. MICROMACHINES 2022; 13:mi13020278. [PMID: 35208402 PMCID: PMC8875390 DOI: 10.3390/mi13020278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/02/2022] [Accepted: 02/08/2022] [Indexed: 11/16/2022]
Abstract
Metal sulfides are considered excellent materials for oxygen evolution reaction because of their excellent conductivity and high electrocatalytic activity. In this report, the NiS-Cu2S composites were prepared on copper foam (NiS-Cu2S-CF) using a facile synthetic strategy. The scanning electron microscopy results confirmed that the NiS nanoneedles were successfully grown on Cu2S nanoflakes, greatly increasing the active sites. Particularly, the optimized 15% NiS-Cu2S-CF composite demonstrated excellent oxygen evolution activity with a small overpotential of 308 mV@20 mA cm−2, which is significantly smaller than that of noble metal-based electrocatalysts and other NiS-Cu2S-CF composites. The enhanced oxygen evolution activity is attributed to the unique morphology that can provide ample active sites, rich ion-transfer pathways, and the synergistic effect between NiS and Cu2S, which can boost the electron transfer rate.
Collapse
|
37
|
Thangavelu D, Chen Y, Annamalai P, Ramadoss M, Narayanan V. Rationally Designed Ag@polymer@2-D LDH Nanoflakes for Bifunctional Efficient Electrochemical Sensing of 4-Nitrophenol and Water Oxidation Reaction. ACS APPLIED MATERIALS & INTERFACES 2022; 14:6518-6527. [PMID: 35084176 DOI: 10.1021/acsami.1c19077] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The rational design and demonstration of a facile sequential template-mediated strategy to construct noble-metal-free efficient bifunctional electrocatalysts for efficient oxygen evolution reaction (OER) and electrocatalytic detection of hazardous environmental 4-nitrophenol (4-NP) have continued as a major challenging task. Herein, we construct a novel Ag@polymer/NiAl LDH (designated as APL) nanohybrid as an efficient bifunctional electrocatalyst by a simple hydrolysis method. The well-fabricated APL/GCE exhibited an extensive linear range from 0.1 to 100 μM in optimized conditions. It showed a detection limit (LOD) of 0.0096 μM (9.6 nM) (S/N = 3) for 4-NP in pH 6 by differential pulse voltammetry (DPV). Meanwhile, the newly fabricated APL exhibited outstanding OER activity with a very low overpotential of 259 mV to deliver 10 mA cm-2 current density (J) at a scan rate of 5 mV/s. The Tafel plot value of APL is low (97 mV/dec) compared to that of the benchmark RuO2 due to a fast kinetic reaction. Besides, the durability of the electrocatalyst was assessed by a chronoamperometry test (CA) for 36 h at 1.55 mV vs RHE, and the long-term cycling stability was analyzed by using cyclic voltammetry (CV); after 5000 cycles, the electrocatalyst was highly stable. These demonstrated results could lead to an alternative electrocatalyst construction for the bifunctionally efficient electrochemical sensing of 4-nitrophenol and oxygen evolution reaction.
Collapse
Affiliation(s)
- Dhanasekaran Thangavelu
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, P.R. China
- Department of Inorganic Chemistry, University of Madras, Chennai 600025, India
| | - Yuanfu Chen
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, P.R. China
- School of Science, and Institute of Oxygen Supply, Tibet University, Lhasa 850000, P.R. China
| | | | - Manigandan Ramadoss
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, P.R. China
- Department of Inorganic Chemistry, University of Madras, Chennai 600025, India
| | | |
Collapse
|
38
|
Yang Y, Peltier CR, Zeng R, Schimmenti R, Li Q, Huang X, Yan Z, Potsi G, Selhorst R, Lu X, Xu W, Tader M, Soudackov AV, Zhang H, Krumov M, Murray E, Xu P, Hitt J, Xu L, Ko HY, Ernst BG, Bundschu C, Luo A, Markovich D, Hu M, He C, Wang H, Fang J, DiStasio RA, Kourkoutis LF, Singer A, Noonan KJT, Xiao L, Zhuang L, Pivovar BS, Zelenay P, Herrero E, Feliu JM, Suntivich J, Giannelis EP, Hammes-Schiffer S, Arias T, Mavrikakis M, Mallouk TE, Brock JD, Muller DA, DiSalvo FJ, Coates GW, Abruña HD. Electrocatalysis in Alkaline Media and Alkaline Membrane-Based Energy Technologies. Chem Rev 2022; 122:6117-6321. [PMID: 35133808 DOI: 10.1021/acs.chemrev.1c00331] [Citation(s) in RCA: 89] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hydrogen energy-based electrochemical energy conversion technologies offer the promise of enabling a transition of the global energy landscape from fossil fuels to renewable energy. Here, we present a comprehensive review of the fundamentals of electrocatalysis in alkaline media and applications in alkaline-based energy technologies, particularly alkaline fuel cells and water electrolyzers. Anion exchange (alkaline) membrane fuel cells (AEMFCs) enable the use of nonprecious electrocatalysts for the sluggish oxygen reduction reaction (ORR), relative to proton exchange membrane fuel cells (PEMFCs), which require Pt-based electrocatalysts. However, the hydrogen oxidation reaction (HOR) kinetics is significantly slower in alkaline media than in acidic media. Understanding these phenomena requires applying theoretical and experimental methods to unravel molecular-level thermodynamics and kinetics of hydrogen and oxygen electrocatalysis and, particularly, the proton-coupled electron transfer (PCET) process that takes place in a proton-deficient alkaline media. Extensive electrochemical and spectroscopic studies, on single-crystal Pt and metal oxides, have contributed to the development of activity descriptors, as well as the identification of the nature of active sites, and the rate-determining steps of the HOR and ORR. Among these, the structure and reactivity of interfacial water serve as key potential and pH-dependent kinetic factors that are helping elucidate the origins of the HOR and ORR activity differences in acids and bases. Additionally, deliberately modulating and controlling catalyst-support interactions have provided valuable insights for enhancing catalyst accessibility and durability during operation. The design and synthesis of highly conductive and durable alkaline membranes/ionomers have enabled AEMFCs to reach initial performance metrics equal to or higher than those of PEMFCs. We emphasize the importance of using membrane electrode assemblies (MEAs) to integrate the often separately pursued/optimized electrocatalyst/support and membranes/ionomer components. Operando/in situ methods, at multiscales, and ab initio simulations provide a mechanistic understanding of electron, ion, and mass transport at catalyst/ionomer/membrane interfaces and the necessary guidance to achieve fuel cell operation in air over thousands of hours. We hope that this Review will serve as a roadmap for advancing the scientific understanding of the fundamental factors governing electrochemical energy conversion in alkaline media with the ultimate goal of achieving ultralow Pt or precious-metal-free high-performance and durable alkaline fuel cells and related technologies.
Collapse
Affiliation(s)
- Yao Yang
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Cheyenne R Peltier
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Rui Zeng
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Roberto Schimmenti
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Qihao Li
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Xin Huang
- School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, United States
| | - Zhifei Yan
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Georgia Potsi
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Ryan Selhorst
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Xinyao Lu
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Weixuan Xu
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Mariel Tader
- Department of Physics, Cornell University, Ithaca, New York 14853, United States
| | - Alexander V Soudackov
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Hanguang Zhang
- Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Mihail Krumov
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Ellen Murray
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Pengtao Xu
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Jeremy Hitt
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Linxi Xu
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Hsin-Yu Ko
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Brian G Ernst
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Colin Bundschu
- Department of Physics, Cornell University, Ithaca, New York 14853, United States
| | - Aileen Luo
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Danielle Markovich
- School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, United States
| | - Meixue Hu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Cheng He
- Chemical and Materials Science Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Hongsen Wang
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Jiye Fang
- Department of Chemistry, State University of New York at Binghamton, Binghamton, New York 13902, United States
| | - Robert A DiStasio
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Lena F Kourkoutis
- School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, United States.,Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14853, United States
| | - Andrej Singer
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Kevin J T Noonan
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Li Xiao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Lin Zhuang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Bryan S Pivovar
- Chemical and Materials Science Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Piotr Zelenay
- Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Enrique Herrero
- Instituto de Electroquímica, Universidad de Alicante, Alicante E-03080, Spain
| | - Juan M Feliu
- Instituto de Electroquímica, Universidad de Alicante, Alicante E-03080, Spain
| | - Jin Suntivich
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States.,Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14853, United States
| | - Emmanuel P Giannelis
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
| | | | - Tomás Arias
- Department of Physics, Cornell University, Ithaca, New York 14853, United States
| | - Manos Mavrikakis
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Thomas E Mallouk
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Joel D Brock
- School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, United States
| | - David A Muller
- School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, United States.,Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14853, United States
| | - Francis J DiSalvo
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Geoffrey W Coates
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Héctor D Abruña
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States.,Center for Alkaline Based Energy Solutions (CABES), Cornell University, Ithaca, New York 14853, United States
| |
Collapse
|
39
|
Fornaciari JC, Weng LC, Alia SM, Zhan C, Pham TA, Bell AT, Ogitsu T, Danilovic N, Weber AZ. Mechanistic understanding of pH effects on the oxygen evolution reaction. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139810] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
|
40
|
Mohan S, Gupta SK, Mao Y. Morphology-oxygen evolution activity relationship of iridium( iv) oxide nanomaterials. NEW J CHEM 2022. [DOI: 10.1039/d1nj05133d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This work demonstrated shape tuning of IrO2 nanoparticles to nanocube and nanorods in molten salt and demonstrated the exemplary performance of IrO2 nanorods as an electrocatalyst for oxygen evolution reaction even surpassing commercial IrO2.
Collapse
Affiliation(s)
- Swati Mohan
- Department of Chemistry, University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, Texas 78539, USA
| | - Santosh K. Gupta
- Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai-400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai-400094, India
| | - Yuanbing Mao
- Department of Chemistry, Illinois Institute of Technology, 3105 South Dearborn Street, Chicago, IL 60616, USA
| |
Collapse
|
41
|
The possible implications of magnetic field effect on understanding the reactant of water splitting. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(21)63821-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
42
|
Liang Q, Liu Y, Xue Z, Zhao Z, Li G, Hu JQ. Multiscale structural regulation of Metal-organic framework nanofilm arrays for efficient oxygen evolution reaction. Chem Commun (Camb) 2022; 58:6966-6969. [DOI: 10.1039/d2cc02140d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel MOF nanofilm arrays (NiCoBDC-Fc) grown on Ni foam via a multiscale structural regulation strategy. The introducing of metal doping and defects regulated the morphology structure of NiBDC for...
Collapse
|
43
|
Chen Y, Sun Y, Wang M, Wang J, Li H, Xi S, Wei C, Xi P, Sterbinsky GE, Freeland JW, Fisher AC, Ager JW, Feng Z, Xu ZJ. Lattice site-dependent metal leaching in perovskites toward a honeycomb-like water oxidation catalyst. SCIENCE ADVANCES 2021; 7:eabk1788. [PMID: 34890227 PMCID: PMC8664262 DOI: 10.1126/sciadv.abk1788] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 10/22/2021] [Indexed: 05/29/2023]
Abstract
Metal leaching during water oxidation has been typically observed in conjunction with surface reconstruction on perovskite oxide catalysts, but the role of metal leaching at each geometric site has not been distinguished. Here, we manipulate the occurrence and process of surface reconstruction in two model ABO3 perovskites, i.e., SrSc0.5Ir0.5O3 and SrCo0.5Ir0.5O3, which allow us to evaluate the structure and activity evolution step by step. The occurrence and order of leaching of Sr (A-site) and Sc/Co (B-site) were controlled by tailoring the thermodynamic stability of B-site. Sr leaching from A-site mainly generates more electrochemical surface area for the reaction, and additional leaching of Sc/Co from B-site triggers the formation of a honeycomb-like IrOxHy phase with a notable increase in intrinsic activity. A thorough surface reconstruction with dual-site metal leaching induces an activity improvement by approximately two orders of magnitude, which makes the reconstructed SrCo0.5Ir0.5O3 among the best for water oxidation in acid.
Collapse
Affiliation(s)
- Yubo Chen
- School of Material Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- The Cambridge Centre for Advanced Research and Education in Singapore, 1 CREATE Way, Singapore 138602, Singapore
| | - Yuanmiao Sun
- School of Material Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Maoyu Wang
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
| | - Jingxian Wang
- School of Material Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Haiyan Li
- School of Material Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Shibo Xi
- Institute of Chemical and Engineering Sciences, A*STAR, 1 Pesek Road, 627833, Singapore
| | - Chao Wei
- School of Material Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Pinxian Xi
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - George E. Sterbinsky
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 S Cass Avenue, Argonne, IL 60439, USA
| | - John W. Freeland
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 S Cass Avenue, Argonne, IL 60439, USA
| | - Adrian C. Fisher
- The Cambridge Centre for Advanced Research and Education in Singapore, 1 CREATE Way, Singapore 138602, Singapore
- Department of Chemical Engineering, University of Cambridge, Cambridge CB2 3RA, UK
| | - Joel W. Ager
- Department of Materials Science and Engineering, University of California at Berkeley, Berkeley, CA 94720, USA
- Berkeley Educational Alliance for Research in Singapore Ltd., 1 CREATE Way, Singapore 138602, Singapore
| | - Zhenxing Feng
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
| | - Zhichuan J. Xu
- School of Material Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- The Cambridge Centre for Advanced Research and Education in Singapore, 1 CREATE Way, Singapore 138602, Singapore
- Energy Research Institute at Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| |
Collapse
|
44
|
Bozal-Ginesta C, Rao RR, Mesa CA, Liu X, Hillman SAJ, Stephens IEL, Durrant JR. Redox-State Kinetics in Water-Oxidation IrO x Electrocatalysts Measured by Operando Spectroelectrochemistry. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03290] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Carlota Bozal-Ginesta
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Reshma R. Rao
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Camilo A. Mesa
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Xinyi Liu
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Sam A. J. Hillman
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Ifan E. L. Stephens
- Department of Materials, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - James R. Durrant
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| |
Collapse
|
45
|
Gu Z, Wei X, Zhang X, Duan Z, Gu Z, Gong Q, Luo K. Bimetallic-MOF-Derived Amorphous Zinc/Cobalt-Iron-Based Hollow Nanowall Arrays via Ion Exchange for Highly Efficient Oxygen Evolution. SMALL 2021; 17:e2104125. [PMID: 34655163 DOI: 10.1002/smll.202104125] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/24/2021] [Indexed: 02/05/2023]
Abstract
Oxygen evolution reaction (OER) is critical for optimizing renewable energy systems, including metal-air batteries and water electrolysis. One major challenge for OER is to develop durable and cost-effective electrocatalysts with high catalytic performance. Herein, a controllable ion-exchange method to synthesize amorphous zinc/cobalt-iron hydroxide-based hollow nanowall arrays (A-Zn/Co-Fe HNAs) derived from bimetallic metal-organic frameworks (MOFs) on carbon cloth is reported. The amorphous characteristic enables the presented materials with more electrocatalytic sites and short diffusion paths for rapid access to the electrolyte, achieving efficient charge transfer for OER. The optimized nanostructure of A-Zn/Co-Fe HNAs via tuning the amount of iron sulfate in the reaction solution delivers a low overpotential of 226 mV to reach a current density of 10 mA cm-2 with a small Tafel slope of 37.81 mV dec-1 while exhibiting high durability at varied current densities over 80 h. The remarkable electrochemical performance can be attributed to the synergistic effect from chemical elements of Zn, Co-Fe, and a robust hollow structure. This simple method of fabricating bimetallic-MOF-derived amorphous Zn/Co-Fe HNAs on carbon cloth can be applied as a practical platform for other OER electrocatalysts.
Collapse
Affiliation(s)
- Zhengxiang Gu
- Huaxi MR Research Center (HMRRC), Department of Radiology, National Clinical Research Center for Geriatrics, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xuelian Wei
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Xiaoqin Zhang
- Huaxi MR Research Center (HMRRC), Department of Radiology, National Clinical Research Center for Geriatrics, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhengyu Duan
- Huaxi MR Research Center (HMRRC), Department of Radiology, National Clinical Research Center for Geriatrics, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhongwei Gu
- Huaxi MR Research Center (HMRRC), Department of Radiology, National Clinical Research Center for Geriatrics, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qiyong Gong
- Huaxi MR Research Center (HMRRC), Department of Radiology, National Clinical Research Center for Geriatrics, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China.,Functional and Molecular Imaging Key Laboratory of Sichuan Province, and Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, Chengdu, 610041, China
| | - Kui Luo
- Huaxi MR Research Center (HMRRC), Department of Radiology, National Clinical Research Center for Geriatrics, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China.,Functional and Molecular Imaging Key Laboratory of Sichuan Province, and Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, Chengdu, 610041, China
| |
Collapse
|
46
|
Wang M, Feng Z. Interfacial processes in electrochemical energy systems. Chem Commun (Camb) 2021; 57:10453-10468. [PMID: 34494049 DOI: 10.1039/d1cc01703a] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Electrochemical energy systems such as batteries, water electrolyzers, and fuel cells are considered as promising and sustainable energy storage and conversion devices due to their high energy densities and zero or negative carbon dioxide emission. However, their widespread applications are hindered by many technical challenges, such as the low efficiency and poor long-term cyclability, which are mostly affected by the changes at the reactant/electrode/electrolyte interfaces. These interfacial processes involve ion/electron transfer, molecular/ion adsorption/desorption, and complex interface restructuring, which lead to irreversible modifications to the electrodes and the electrolyte. The understanding of these interfacial processes is thus crucial to provide strategies for solving those problems. In this review, we will discuss different interfacial processes at three representative interfaces, namely, solid-gas, solid-liquid, and solid-solid, in various electrochemical energy systems, and how they could influence the performance of electrochemical systems.
Collapse
Affiliation(s)
- Maoyu Wang
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA.
| | - Zhenxing Feng
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA.
| |
Collapse
|
47
|
Singh S, Lyle H, D'Amario L, Magnano E, Vinogradov I, Cuk T. Coherent Acoustic Interferometry during the Photodriven Oxygen Evolution Reaction Associates Strain Fields with the Reactive Oxygen Intermediate (Ti-OH*). J Am Chem Soc 2021; 143:15984-15997. [PMID: 34554748 DOI: 10.1021/jacs.1c04976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The oxygen evolution reaction (OER) from water requires the formation of metastable, reactive oxygen intermediates to enable oxygen-oxygen bond formation. Conversely, such reactive intermediates could also structurally modify the catalyst. A descriptor for the overall catalytic activity, the first electron and proton transfer OER intermediate from water, (M-OH*), has been associated with significant distortions of the metal-oxygen bonds upon charge-trapping. Time-resolved spectroscopy of in situ, photodriven OER on transition metal oxide surfaces has characterized M-OH* for the charge trapping and the symmetry of the lattice distortions by optical and vibrational transitions, respectively, but had yet to detect an interfacial strain field arising from a surface coverage M-OH*. Here, we utilize picosecond, coherent acoustic interferometry to detect the uniaxial strain normal to the SrTiO3/aqueous interface directly caused by Ti-OH*. The spectral analysis applies a fairly general methodology for detecting a combination of the spatial extent, magnitude, and generation time of the interfacial strain through the coherent oscillations' phase. For lightly n-doped SrTiO3, we identify the strain generation time (1.31 ps), which occurs simultaneously with Ti-OH* formation, and a tensile strain of 0.06% (upper limit 0.6%). In addition to fully characterizing this intermediate across visible, mid-infrared, and now GHz-THz probes on SrTiO3, we show that strain fields occur with the creation of some M-OH*, which modifies design strategies for tuning catalytic activity and provides insight into photo-induced degradation so prevalent for OER. To that end, the work put forth here provides a unique methodology to characterize intermediate-induced interfacial strain across OER catalysts.
Collapse
Affiliation(s)
- Suryansh Singh
- Renewable and Sustainable Energy Institute (RASEI), University of Colorado, Boulder, Boulder, Colorado 80303, United States.,Materials Science and Engineering Program, University of Colorado, Boulder, Boulder, Colorado 80303, United States
| | - Hanna Lyle
- Renewable and Sustainable Energy Institute (RASEI), University of Colorado, Boulder, Boulder, Colorado 80303, United States.,Materials Science and Engineering Program, University of Colorado, Boulder, Boulder, Colorado 80303, United States
| | - Luca D'Amario
- Department of Chemistry-Ångström Laboratories, Uppsala University, Box 523, SE75120 Uppsala, Sweden.,Department of Physics, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
| | - Elena Magnano
- IOM CNR Laboratorio TASC, 34149 Basovizza (TS), Italy.,Department of Physics, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa
| | - Ilya Vinogradov
- Renewable and Sustainable Energy Institute (RASEI), University of Colorado, Boulder, Boulder, Colorado 80303, United States
| | - Tanja Cuk
- Renewable and Sustainable Energy Institute (RASEI), University of Colorado, Boulder, Boulder, Colorado 80303, United States.,Materials Science and Engineering Program, University of Colorado, Boulder, Boulder, Colorado 80303, United States.,Department of Chemistry, University of Colorado, Boulder, Boulder, Colorado 80303, United States
| |
Collapse
|
48
|
Weber T, Vonk V, Escalera-López D, Abbondanza G, Larsson A, Koller V, Abb MJ, Hegedüs Z, Bäcker T, Lienert U, Harlow GS, Stierle A, Cherevko S, Lundgren E, Over H. Operando Stability Studies of Ultrathin Single-Crystalline IrO 2(110) Films under Acidic Oxygen Evolution Reaction Conditions. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03599] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tim Weber
- Institute of Physical Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, Giessen 35392, Germany
- Center for Materials Research, Justus Liebig University, Heinrich-Buff-Ring 16, Giessen 35392, Germany
| | - Vedran Vonk
- Deutsches Elektronensynchrotron (DESY), Notkestr. 85, Hamburg 22607, Germany
| | - Daniel Escalera-López
- Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, Egerlandstr. 3, Erlangen 91058, Germany
| | | | - Alfred Larsson
- Synchrotron Radiation Research, Lund University, Lund 22100, Sweden
| | - Volkmar Koller
- Institute of Physical Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, Giessen 35392, Germany
- Center for Materials Research, Justus Liebig University, Heinrich-Buff-Ring 16, Giessen 35392, Germany
| | - Marcel J.S. Abb
- Institute of Physical Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, Giessen 35392, Germany
- Center for Materials Research, Justus Liebig University, Heinrich-Buff-Ring 16, Giessen 35392, Germany
| | - Zoltan Hegedüs
- Deutsches Elektronensynchrotron (DESY), Notkestr. 85, Hamburg 22607, Germany
| | - Thomas Bäcker
- Deutsches Elektronensynchrotron (DESY), Notkestr. 85, Hamburg 22607, Germany
| | - Ulrich Lienert
- Deutsches Elektronensynchrotron (DESY), Notkestr. 85, Hamburg 22607, Germany
| | - Gary S. Harlow
- Department of Chemistry, Nano-Science Center, University of Copenhagen, Universitetsparken 5, Copenhagen 2100, Denmark
| | - Andreas Stierle
- Deutsches Elektronensynchrotron (DESY), Notkestr. 85, Hamburg 22607, Germany
- Fachbereich Physik, University Hamburg, Hamburg 20355, Germany
| | - Serhiy Cherevko
- Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, Egerlandstr. 3, Erlangen 91058, Germany
| | - Edvin Lundgren
- Synchrotron Radiation Research, Lund University, Lund 22100, Sweden
| | - Herbert Over
- Institute of Physical Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, Giessen 35392, Germany
- Center for Materials Research, Justus Liebig University, Heinrich-Buff-Ring 16, Giessen 35392, Germany
| |
Collapse
|
49
|
Zhao F, Wen B, Niu W, Chen Z, Yan C, Selloni A, Tully CG, Yang X, Koel BE. Increasing Iridium Oxide Activity for the Oxygen Evolution Reaction with Hafnium Modification. J Am Chem Soc 2021; 143:15616-15623. [PMID: 34469132 DOI: 10.1021/jacs.1c03473] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Synthesis and implementation of highly active, stable, and affordable electrocatalysts for the oxygen evolution reaction (OER) is a major challenge in developing energy efficient and economically viable energy conversion devices such as electrolyzers, rechargeable metal-air batteries, and regenerative fuel cells. The current benchmark electrocatalyst for OER is based on iridium oxide (IrOx) due to its superior performance and excellent stability. However, large scale applications using IrOx are impractical due to its low abundance and high cost. Herein, we report a highly active hafnium-modified iridium oxide (IrHfxOy) electrocatalyst for OER. The IrHfxOy electrocatalyst demonstrated ten times higher activity in alkaline conditions (pH = 11) and four times higher activity in acid conditions (pH = 1) than a IrOx electrocatalyst. The highest intrinsic mass activity of the IrHfxOy catalyst in acid conditions was calculated as 6950 A gIrOx-1 at an overpotential (η) of 0.3 V. Combined studies utilizing operando surface enhanced Raman spectroscopy (SERS) and DFT calculations revealed that the active sites for OER are the Ir-O species for both IrOx and IrHfxOy catalysts. The presence of Hf sites leads to more negative charge states on nearby O sites, shortening of the bond lengths of Ir-O, and lowers free energies for OER intermediates that accelerate the OER process.
Collapse
Affiliation(s)
- Fang Zhao
- Department of Physics, Princeton University, New Jersey, 08544, United States
| | - Bo Wen
- Department of Chemistry, Princeton University, New Jersey, 08544, United States
| | - Wenhan Niu
- Department of Chemical and Biological Engineering, Princeton University, New Jersey, 08540, United States
| | - Zhu Chen
- Department of Chemical and Biological Engineering, Princeton University, New Jersey, 08540, United States
| | - Chao Yan
- Department of Mechanical and Aerospace Engineering, Princeton University, New Jersey, 08540, United States
| | - Annabella Selloni
- Department of Chemistry, Princeton University, New Jersey, 08544, United States
| | - Christopher G Tully
- Department of Physics, Princeton University, New Jersey, 08544, United States
| | - Xiaofang Yang
- Department of Chemical and Biological Engineering, Princeton University, New Jersey, 08540, United States
| | - Bruce E Koel
- Department of Chemical and Biological Engineering, Princeton University, New Jersey, 08540, United States
| |
Collapse
|
50
|
Zhang YC, Han C, Gao J, Pan L, Wu J, Zhu XD, Zou JJ. NiCo-Based Electrocatalysts for the Alkaline Oxygen Evolution Reaction: A Review. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03260] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yong-Chao Zhang
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Caidi Han
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Jian Gao
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Lun Pan
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Jinting Wu
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Xiao-Dong Zhu
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Ji-Jun Zou
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| |
Collapse
|