1
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Zhang X, Xu H, Shi Q, Sun W, Han X, Jiang D, Cao Y, He D, Cui X. Interfacial engineering layered bimetallic oxyhydroxides for efficient oxygen evolution reaction. J Colloid Interface Sci 2024; 670:142-151. [PMID: 38761567 DOI: 10.1016/j.jcis.2024.05.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/06/2024] [Accepted: 05/14/2024] [Indexed: 05/20/2024]
Abstract
Transition metal-based oxyhydroxides (MOOH) have garnered significant attention as promising catalyst for the Oxygen Evolution Reaction (OER). However, the direct synthesis of MOOH poses challenges due to the instability of trivalent cobalt and nickel salts, attrivuted to their high oxidation states. In this study, theoretical computations predicted that Co(OH)2 nanosheets are exclusively formed on carbon structures, owing to the stronger binding energy between CoOOH and CC compared to Co(OH)2. Furthermore, the presence of FeOOH interface reduces the binding energy between CoOOH and carbon structure. Experiment evidence confirms that CoOOH can be directly synthesized through controlled epitaxial growth on an FeOOH interface using a hydrothermal method. Moreover, the in-situ doping of iron leads to the formation of high-quality Fe0.35Co0.65OOH with exceptional OER performance, displaying a low overpotential of 240 mV at 10 mA cm-2 and a small Tafel slope of 43 mV dec-1. Density functional theory (DFT) calculations uncover the substantial enhancement of oxygen-containing species adsorption abilities by Fe0.35Co0.65OOH, resulting in improved OER activity. This work presents a promising strategy for the efficient preparation of layered cobalt oxyhydroxides, enabling efficient energy conversion and storage.
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Affiliation(s)
- Xiaolin Zhang
- College of Science, Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University, Haikou 571127, China
| | - Huanjun Xu
- College of Science, Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University, Haikou 571127, China
| | - Qiang Shi
- China Coal Energy Company Limited Hainan Branch, Haikou 570100, China
| | - Wei Sun
- Hainan Engineering Research Center of Tropical Ocean Advanced Optoelectronic Functional Materials, Hainan International Joint Research Center of Marine Advanced Photoelectric Functional Materials, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
| | - Xu Han
- College of Science, Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University, Haikou 571127, China
| | - Dan Jiang
- College of Science, Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University, Haikou 571127, China
| | - Yang Cao
- College of Science, Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University, Haikou 571127, China
| | - Danfeng He
- College of Science, Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University, Haikou 571127, China.
| | - Xiaoqiang Cui
- State Key Laboratory of Automotive Simulation and Control, Department of Materials Science and Key Laboratory of Automobile Materials of MOE, Jilin University, 2699 Qianjin Street, Changchun 130012, China.
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2
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Bi S, Knijff L, Lian X, van Hees A, Zhang C, Salanne M. Modeling of Nanomaterials for Supercapacitors: Beyond Carbon Electrodes. ACS NANO 2024; 18:19931-19949. [PMID: 39053903 PMCID: PMC11308780 DOI: 10.1021/acsnano.4c01787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/08/2024] [Accepted: 04/23/2024] [Indexed: 07/27/2024]
Abstract
Capacitive storage devices allow for fast charge and discharge cycles, making them the perfect complements to batteries for high power applications. Many materials display interesting capacitive properties when they are put in contact with ionic solutions despite their very different structures and (surface) reactivity. Among them, nanocarbons are the most important for practical applications, but many nanomaterials have recently emerged, such as conductive metal-organic frameworks, 2D materials, and a wide variety of metal oxides. These heterogeneous and complex electrode materials are difficult to model with conventional approaches. However, the development of computational methods, the incorporation of machine learning techniques, and the increasing power in high performance computing now allow us to tackle these types of systems. In this Review, we summarize the current efforts in this direction. We show that depending on the nature of the materials and of the charging mechanisms, different methods, or combinations of them, can provide desirable atomic-scale insight on the interactions at play. We mainly focus on two important aspects: (i) the study of ion adsorption in complex nanoporous materials, which require the extension of constant potential molecular dynamics to multicomponent systems, and (ii) the characterization of Faradaic processes in pseudocapacitors, that involves the use of electronic structure-based methods. We also discuss how recently developed simulation methods will allow bridges to be made between double-layer capacitors and pseudocapacitors for future high power electricity storage devices.
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Affiliation(s)
- Sheng Bi
- Physicochimie
des Électrolytes et Nanosystèmes Interfaciaux, Sorbonne Université, CNRS, F-75005 Paris, France
- Réseau
sur le Stockage Electrochimique de l’Energie (RS2E), FR CNRS 3459, 80039 Amiens Cedex, France
| | - Lisanne Knijff
- Department
of Chemistry - Ångström Laboratory, Uppsala University, Lägerhyddsvägen 1, BOX 538, Uppsala 75121, Sweden
| | - Xiliang Lian
- Physicochimie
des Électrolytes et Nanosystèmes Interfaciaux, Sorbonne Université, CNRS, F-75005 Paris, France
- Réseau
sur le Stockage Electrochimique de l’Energie (RS2E), FR CNRS 3459, 80039 Amiens Cedex, France
| | - Alicia van Hees
- Department
of Chemistry - Ångström Laboratory, Uppsala University, Lägerhyddsvägen 1, BOX 538, Uppsala 75121, Sweden
| | - Chao Zhang
- Department
of Chemistry - Ångström Laboratory, Uppsala University, Lägerhyddsvägen 1, BOX 538, Uppsala 75121, Sweden
- Wallenberg
Initiative Materials Science for Sustainability, Uppsala University, 75121 Uppsala, Sweden
| | - Mathieu Salanne
- Réseau
sur le Stockage Electrochimique de l’Energie (RS2E), FR CNRS 3459, 80039 Amiens Cedex, France
- Institut
Universitaire de France (IUF), 75231 Paris, France
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3
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Fang Q, Liu Q, Song Z, Zhang X, Du Y. A NAD(P)H oxidase mimic for catalytic tumor therapy via a deacetylase SIRT7-mediated AKT/GSK3β pathway. NANOSCALE 2024; 16:6585-6595. [PMID: 38465774 DOI: 10.1039/d3nr06538c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Nicotinamide adenine dinucleotide (NADH) and its phosphorylated form, NADPH, are essential cofactors that play critical roles in cell functions, influencing antioxidation, reductive biosynthesis, and cellular pathways involved in tumor cell apoptosis and tumorigenesis. However, the use of nanomaterials to consume NAD(P)H and thus bring an impact on signaling pathways in cancer treatment remains understudied. In this study, we employed a salt template method to synthesize a carbon-coated-cobalt composite (C@Co) nanozyme, which exhibited excellent NAD(P)H oxidase (NOX)-like activity and mimicked the reaction mechanism of natural NOX. The C@Co nanozyme efficiently consumed NAD(P)H within cancer cells, leading to increased production of reactive oxygen species (ROS) and a reduction in mitochondrial membrane potential. Meanwhile, the generation of the biologically active cofactor NAD(P)+ promoted the expression of the deacetylase SIRT7, which in turn inhibited the serine/threonine kinase AKT signaling pathway, ultimately promoting apoptosis. This work sheds light on the influence of nanozymes with NOX-like activity on cellular signaling pathways in tumor therapy and demonstrates their promising antitumor effects in a tumor xenograft mouse model. These findings contribute to a better understanding of NAD(P)H manipulation in cancer treatment and suggest the potential of nanozymes as a therapeutic strategy for cancer therapy.
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Affiliation(s)
- Qi Fang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science & Technology of China, Hefei, Anhui 230026, P. R. China
| | - Quanyi Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science & Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhimin Song
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science & Technology of China, Hefei, Anhui 230026, P. R. China
| | - Xiaojun Zhang
- School of Applied Chemistry and Engineering, University of Science & Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yan Du
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science & Technology of China, Hefei, Anhui 230026, P. R. China
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4
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Peng JL, Luo YL, Li JX, Huang JL, Xiao B, Xiao CF, Xiao K, Liu ZQ. Revealing the Effect of the [CoO] 6 Microstructure in Pseudocapacitance by Controlled Delithium of LiCoO 2. NANO LETTERS 2024; 24:1687-1694. [PMID: 38253561 DOI: 10.1021/acs.nanolett.3c04434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Revealing the in-depth structure-property relationship and designing specific capacity electrodes are particularly important for supercapacitors. Despite many efforts made to tune the composition and electronic structure of cobalt oxide for pseudocapacitance, insight into the [CoO]6 octahedron from the microstructure is still insufficient. Herein, we present a tunable [CoO]6 octahedron microstructure in LiCoO2 by a chemical delithiation process. The c-strained strain of the [CoO]6 octahedron is induced to form higher valence Co ions, and the (003) crystalline layer spacing increases to allow more rapid participation of OH- in the redox reaction. Interestingly, the specific capacity of L0.75CO2 is nearly four times higher than that of LiCoO2 at 10 mA g-1. The enhanced activity originated from the asymmetric strain [CoO]6 octahedra, resulting in enhanced electronic conductivity and Co-O hybridization for accelerated redox kinetics. This finding provides new insights into the modification strategy for pseudocapacitive transition metal oxides.
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Affiliation(s)
- Jia-Liang Peng
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials/Huangpu Hydrogen Innovation Center/Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Yin-Lin Luo
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials/Huangpu Hydrogen Innovation Center/Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Jian-Xi Li
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials/Huangpu Hydrogen Innovation Center/Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Jia-Le Huang
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials/Huangpu Hydrogen Innovation Center/Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Bohao Xiao
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials/Huangpu Hydrogen Innovation Center/Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Can-Fei Xiao
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials/Huangpu Hydrogen Innovation Center/Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Kang Xiao
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials/Huangpu Hydrogen Innovation Center/Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Zhao-Qing Liu
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials/Huangpu Hydrogen Innovation Center/Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
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5
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Sun Y, Jiang D, Wang J, Zhang A, Wang C, Zong H, Xu J, Liu J. Construction of Binder-Free, Self-Supported, Hetero-Core-Shell Honeycomb Structured CuCo 2 O 4 @Ni 0.5 Co 0.5 (OH) 2 with Abundant Mesopores and High Conductivity for High-Performance Energy Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305288. [PMID: 37775328 DOI: 10.1002/smll.202305288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/29/2023] [Indexed: 10/01/2023]
Abstract
Clever and rational design of structural hierarchy, along with precise component adjustment, holds profound significance for the construction of high-performance supercapacitor electrode materials. In this study, a binder-free self-supported CCO@N0.5 C0.5 OH/NF cathode material is constructed with hierarchical hetero-core-shell honeycomb nanostructure by first growing CuCo2 O4 (CCO) nanopin arrays uniformly on highly conductive nickel foam (NF) substrate, and then anchoring Ni0.5 Co0.5 (OH)2 (N0.5 C0.5 OH) bimetallic hydroxide nanosheet arrays on the CCO nanopin arrays by adjusting the molar ratio of Ni(OH)2 and Co(OH)2 . The constructed CCO@N0.5 C0.5 OH/NF electrode material showcases a wealth of multivalent metal ions and mesopores, along with good electrical conductivity, excellent electrochemical reaction rates, and robust long-term performance (capacitance retention rate of 87.2%). The CCO@N0.5 C0.5 OH/NF electrode, benefiting from the hierarchical structure of the material and the exceptional synergy between multiple components, demonstrates an excellent specific capacitance (2553.6 F g-1 at 1 A g-1 ). Furthermore, the assembled asymmetric CCO@N0.5 C0.5 OH/NF//AC/NF supercapacitor demonstrates a high energy density (70.1 Wh kg-1 at 850 W kg-1 ), and maintains robust capacitance cycling stability performance (83.7%) after undergoing 10 000 successive charges and discharges. It is noteworthy that the assembled supercapacitor exhibits an operating voltage (1.7 V) that is well above the theoretical value (1.5 V).
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Affiliation(s)
- Yuesheng Sun
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao, 266071, China
| | - Degang Jiang
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao, 266071, China
- Institute for Frontier Materials, Deakin University, Geelong Waurn Ponds Campus, Geelong, Victoria, 3216, Australia
| | - Jianhua Wang
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao, 266071, China
| | - Aitang Zhang
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao, 266071, China
| | - Chunxiao Wang
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao, 266071, China
| | - Hanwen Zong
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao, 266071, China
| | - Jiangtao Xu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao, 266071, China
| | - Jingquan Liu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao, 266071, China
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6
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Kuo TR, Zher Yu Y, Wu CH, Lee PY, Kongvarhodom C, Chen HM, Husain S, Yougbaré S, Lin LY. Systematic designs of single metal compounds synthesized using ammonia fluoride-based complex as structure directing agents for energy storage. J Colloid Interface Sci 2023; 652:294-304. [PMID: 37597411 DOI: 10.1016/j.jcis.2023.08.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/10/2023] [Accepted: 08/14/2023] [Indexed: 08/21/2023]
Abstract
Tailoring morphology and composition of metal organic frameworks (MOF) can improve energy storage by establishing high surface area, large porosity and multiple redox states. Structure directing agents (SDA) is functional of designing surface properties of electroactive materials. Ammonium fluoride has functional abilities for designing MOF derivatives with excellent energy storage abilities. Systematic design of MOF derivatives using ammonia fluoride-based complex as SDA can essentially create efficient electroactive materials. Metal species can also play significant roles on redox reactions, which are the main energy storage mechanism for battery-type electrodes. In this work, 2-methylimidazole, two novel SDAs of NH4BF4 and NH4HF2, and six metal species of Al, Mn, Co, Ni, Cu and Zn are coupled to synthesize MOF derivatives for energy storage. Metal species-dependent compositions including hydroxides, oxides, and hydroxide nitrates are observed. The nickel-based derivative (Ni-HBF) shows the highest specific capacitance (CF) of 698.0F/g at 20 mV/s, due to multiple redox states and advanced flower-like surface properties. The diffusion and capacitive-control contributions of MOF derivatives are also analyzed. The battery supercapacitor hybrid with Ni-HBF electrode shows a maximum energy density of 27.9 Wh/kg at 325 W/kg. The CF retention of 170.9% and Coulombic efficiency of 93.2% are achieved after 10,000 cycles.
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Affiliation(s)
- Tsung-Rong Kuo
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan; Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan.
| | - You Zher Yu
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, Taiwan
| | - Chung-Hsien Wu
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, Taiwan
| | - Pin-Yan Lee
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, Taiwan
| | - Chutima Kongvarhodom
- Department of Chemical Engineering, King Mongkut's University of Technology Thonburi, 126 Pracha-u-thit, Toong-kru, Bangkok 10140, Thailand
| | - Hung-Ming Chen
- Gingen technology Co., LTD., Rm. 7, 10F., No.189, Sec. 2, Keelung Rd., Xinyi Dist., Taipei 11054, Taiwan
| | - Sadang Husain
- Department of Physics, Faculty of Mathematics and Natural Science, Lambung Mangkurat University, Banjarmasin 70124, Indonesia
| | - Sibidou Yougbaré
- Institut de Recherche en Sciences de la Santé (IRSS-DRCO)/Nanoro, 03 B.P 7192, Ouagadougou 03, Burkina Faso
| | - Lu-Yin Lin
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, Taiwan.
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7
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Matsumoto Y, Nagatsuka K, Yamaguchi Y, Kudo A. Understanding the reaction mechanism and kinetics of photocatalytic oxygen evolution on CoOx-loaded bismuth vanadate. J Chem Phys 2023; 159:214706. [PMID: 38047512 DOI: 10.1063/5.0177506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 11/09/2023] [Indexed: 12/05/2023] Open
Abstract
Photocatalytic water splitting for green hydrogen production is hindered by the sluggish kinetics of oxygen evolution reaction (OER). Loading a co-catalyst is essential for accelerating the kinetics, but the detailed reaction mechanism and role of the co-catalyst are still obscure. Here, we focus on cobalt oxide (CoOx) loaded on bismuth vanadate (BiVO4) to investigate the impact of CoOx on the OER mechanism. We employ photoelectrochemical impedance spectroscopy and simultaneous measurements of photoinduced absorption and photocurrent. The reduction of V5+ in BiVO4 promotes the formation of a surface state on CoOx that plays a crucial role in the OER. The third-order reaction rate with respect to photohole charge density indicates that reaction intermediate species accumulate in the surface state through a three-electron oxidation process prior to the rate-determining step. Increasing the excitation light intensity onto the CoOx-loaded anode improves the photoconversion efficiency significantly, suggesting that the OER reaction at dual sites in an amorphous CoOx(OH)y layer dominates over single sites. Therefore, CoOx is directly involved in the OER by providing effective reaction sites, stabilizing reaction intermediates, and improving the charge transfer rate. These insights help advance our understanding of co-catalyst-assisted OER to achieve efficient water splitting.
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Affiliation(s)
- Yoshiyasu Matsumoto
- Toyota Physical and Chemical Research Institute, Nagakute, Aichi 480-1192, Japan
| | - Kengo Nagatsuka
- Department of Applied Chemistry, Faculty of Science, Tokyo University of Science, Tokyo 162-8601, Japan
| | - Yuichi Yamaguchi
- Department of Applied Chemistry, Faculty of Science, Tokyo University of Science, Tokyo 162-8601, Japan
- Carbon Value Research Center, Research Institute for Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510, Japan
| | - Akihiko Kudo
- Department of Applied Chemistry, Faculty of Science, Tokyo University of Science, Tokyo 162-8601, Japan
- Carbon Value Research Center, Research Institute for Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510, Japan
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8
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Zuo F, Zhang H, Ding Y, Liu Y, Li Y, Liu H, Gu F, Li Q, Wang Y, Zhu Y, Li H, Yu G. Electrochemical interfacial catalysis in Co-based battery electrodes involving spin-polarized electron transfer. Proc Natl Acad Sci U S A 2023; 120:e2314362120. [PMID: 37983507 PMCID: PMC10691230 DOI: 10.1073/pnas.2314362120] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 10/02/2023] [Indexed: 11/22/2023] Open
Abstract
Interfacial catalysis occurs ubiquitously in electrochemical systems, such as batteries, fuel cells, and photocatalytic devices. Frequently, in such a system, the electrode material evolves dynamically at different operating voltages, and this electrochemically driven transformation usually dictates the catalytic reactivity of the material and ultimately the electrochemical performance of the device. Despite the importance of the process, comprehension of the underlying structural and compositional evolutions of the electrode material with direct visualization and quantification is still a significant challenge. In this work, we demonstrate a protocol for studying the dynamic evolution of the electrode material under electrochemical processes by integrating microscopic and spectroscopic analyses, operando magnetometry techniques, and density functional theory calculations. The presented methodology provides a real-time picture of the chemical, physical, and electronic structures of the material and its link to the electrochemical performance. Using Co(OH)2 as a prototype battery electrode and by monitoring the Co metal center under different applied voltages, we show that before a well-known catalytic reaction proceeds, an interfacial storage process occurs at the metallic Co nanoparticles/LiOH interface due to injection of spin-polarized electrons. Subsequently, the metallic Co nanoparticles act as catalytic activation centers and promote LiOH decomposition by transferring these interfacially residing electrons. Most intriguingly, at the LiOH decomposition potential, electronic structure of the metallic Co nanoparticles involving spin-polarized electrons transfer has been shown to exhibit a dynamic variation. This work illustrates a viable approach to access key information inside interfacial catalytic processes and provides useful insights in controlling complex interfaces for wide-ranging electrochemical systems.
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Affiliation(s)
- Fengkai Zuo
- College of Physics, Qingdao University, Qingdao266071, China
| | - Hao Zhang
- College of Physics, Qingdao University, Qingdao266071, China
| | - Yu Ding
- Materials Science and Engineering Program and Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX78712
- Center of Energy Storage Materials and Technology, College of Engineering and Applied Sciences, Jiangsu Key Laboratory of Artificial Functional Materials, National Laboratory of Solid State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing210093, China
| | - Yongshuai Liu
- College of Physics, Qingdao University, Qingdao266071, China
| | - Yuhao Li
- College of Physics, Qingdao University, Qingdao266071, China
| | - Hengjun Liu
- College of Physics, Qingdao University, Qingdao266071, China
| | - Fangchao Gu
- College of Physics, Qingdao University, Qingdao266071, China
| | - Qiang Li
- College of Physics, Qingdao University, Qingdao266071, China
| | - Yaqun Wang
- College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao266590, China
| | - Yue Zhu
- Max Planck Institute for Solid State Research, Stuttgart70569, Germany
| | - Hongsen Li
- College of Physics, Qingdao University, Qingdao266071, China
| | - Guihua Yu
- Materials Science and Engineering Program and Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX78712
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9
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Zhang T, Zhang S, Li L, Hu Y, Liu X, Lee JY. Self-Decoupled Oxygen Electrocatalysis for Ultrastable Rechargeable Zn-Air Batteries with Mild-Acidic Electrolyte. ACS NANO 2023; 17:17476-17488. [PMID: 37606308 DOI: 10.1021/acsnano.3c05845] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2023]
Abstract
Rechargeable zinc-air batteries (ZABs) have been considered promising as next-generation sustainable energy storage devices; however, their large-scale deployment is hampered by the unsatisfactory cyclic lifespan. Employing neutral and mild-acidic electrolytes is effective in extending the cyclability, but the rapid performance degradation of the bifunctional catalysts owing to different microenvironmental requirements of the alternative oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is still a serious limitation of their cyclic life. Herein, we propose a "self-decoupling" strategy to significantly improve the stability of the bifunctional catalysts by constructing a smart interface in the bifunctional air electrode. This smart interface, containing a resistance-switchable sulfonic acid doped polyaniline nanoarray interlayer, is nonconductive at high potential but conductive at low potential, which enables spontaneous electrochemical decoupling of the bifunctional catalyst for the ORR and OER, respectively, and thus protects it from degradation. The resulting self-decoupled mild-acidic ZAB delivers stable cyclic performances in terms of a negligible energy efficiency loss of 0.015% cycle-1 and 3 times longer cycle life (∼1400 h) compared with the conventional mild-acidic ZAB using a normal bifunctional air electrode and the same low-cost ZnCo phosphide/nitrogen-doped carbon bifunctional catalyst. This work provides an effective strategy for tolerating alternative oxidation-reduction reactions and emphasizes the importance of smart nanostructure design for more sustainable batteries.
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Affiliation(s)
- Tianran Zhang
- College of Material Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
- Binzhou Institute of Technology, Weiqiao-UCAS Science and Technology Park, Binzhou City, Shandong Province 256606, People's Republic of China
| | - Shengliang Zhang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, People's Republic of China
| | - LanLan Li
- Key Lab for Micro- and Nano-Scale Boron Nitride Materials in Hebei Province, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300131, People's Republic of China
| | - Yuxiang Hu
- Key Laboratory of Advanced Functional Materials, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Xiangfeng Liu
- College of Material Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jim Yang Lee
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117576, Singapore
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10
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Fan T, Cai L, Huang Z, Tang H, Zhang L, Li Z. Spontaneous Redox-Reaction-Driven Growth of Ag Nanoparticles on Co(OH) 2 Nanoflower Arrays for Surface-Enhanced Raman Scattering. Inorg Chem 2023. [PMID: 37463408 DOI: 10.1021/acs.inorgchem.3c00814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
A simple and reliable method is developed to fabricate Ag-nanoparticle-decorated Co(OH)2 nanoflowers grafted on polyacrylonitrile (PAN) nanopillar arrays as uniform and sensitive surface-enhanced Raman scattering (SERS) substrates. First, Co(OH)2-nanosheet-assembled nanoflowers are achieved on the highly uniform PAN nanopillar arrays via electrochemical deposition. Then, Ag nanoparticles (Ag-NPs) are decorated onto the Au-nanoparticle-precoated Co(OH)2 nanoflowers based on a spontaneous redox reaction (SRR) between the silver ions and Co(OH)2 nanosheets at room temperature. Ag-NPs can be successfully in situ synthesized on the Co(OH)2 nanoflowers, and Au nanoparticles precoated on the surface of the Co(OH)2 nanosheets can ensure that the Co(OH)2 nanoflower structure does not collapse. Because of the highly uniform PAN nanopillar arrays and the high-density sub-10 nm gaps between the neighboring Ag-NPs on the surface of the Co(OH)2 nanoflowers, the hierarchical three-dimensional Ag@Co(OH)x grown on PAN nanopillar arrays can produce a reproducible and sensitive SERS effect. To verify the SERS performance of the substrate, 4-aminothiophenol (4-ATP) is used as the probe molecule, and the Ag@Co(OH)x grown on PAN nanopillar arrays is employed as the SERS substrate. As a result, 4-ATP concentrations as low as 10-10 M can still be identified, exhibiting high SERS activity. Additionally, the relative standard deviation value of the main characteristic peak of 10-5 M 4-ATP is 9.43%, indicating good uniformity of the SERS signal of the substrate. The SRR between silver ions and Co(OH)2 can provide a simple route to prepare heterostructures as SERS substrates, which has great potential for application in the field of analysis.
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Affiliation(s)
- Tingting Fan
- College of Light-Textile Engineering and Art, Anhui Agricultural University, Hefei 230036, China
| | - Li Cai
- College of Light-Textile Engineering and Art, Anhui Agricultural University, Hefei 230036, China
| | - Zhulin Huang
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
| | - Haibin Tang
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
| | - Lijun Zhang
- College of Light-Textile Engineering and Art, Anhui Agricultural University, Hefei 230036, China
| | - Zhongbo Li
- College of Light-Textile Engineering and Art, Anhui Agricultural University, Hefei 230036, China
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11
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Nurdiwijayanto L, Hayashi K, Sakai N, Ebina Y, Tang DM, Ueda S, Osada M, Tsukagoshi K, Sasaki T, Taniguchi T. Thermal and Chemical Phase Engineering of Two-Dimensional Ruthenate. ACS NANO 2023. [PMID: 37366239 DOI: 10.1021/acsnano.3c01017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Monolayer ruthenate nanosheets obtained by exfoliating layered ruthenium oxide exhibit excellent electrical conductivity, redox activity, and catalytic activity, which render them suitable for advanced electronic and energy devices. However, to fully exploit the benefits, we require further structural insights into a complex polymorphic nature and diversity in relevant electronic states of two-dimensional (2D) ruthenate systems. In this study, the 2D structures, stability, and electronic states of 2D ruthenate are investigated on the basis of thermal and chemical phase engineering approaches. We reveal that contrary to a previous report, exfoliation of an oblique 1T phase precursor leads to nanosheets having an identical phase without exfoliation-induced phase transition to a 1H phase. The oblique 1T phase in the nanosheets is found to be metastable and, thus, transforms successively to a rectangular 1T phase upon heating. A phase-controllable synthesis via Co doping affords nanosheets with metastable rectangular and thermally stable hexagonal 1T phases at a Co content of 5-10 and 20 at%, respectively. The 1T phases show metallic electronic states, where the d-d optical transitions between the Ru 4d (t2g) orbital depend on the symmetry of the Ru framework. The Co doping in ruthenate nanosheets unexpectedly suppresses the redox and catalytic activities under acidic conditions. In contrast, the Co2+/3+ redox pair is activated and produces conductive nanosheets with high electrochemical capacitance in an alkaline condition.
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Affiliation(s)
- Leanddas Nurdiwijayanto
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Kensuke Hayashi
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Nobuyuki Sakai
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yasuo Ebina
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Dai-Ming Tang
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Shigenori Ueda
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Minoru Osada
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Institute of Materials and Systems for Sustainability, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Kazuhito Tsukagoshi
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Takayoshi Sasaki
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Takaaki Taniguchi
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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12
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Q&A with editorial board member Professor Wei Zhang. Commun Chem 2023; 6:121. [PMID: 37308614 DOI: 10.1038/s42004-023-00916-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023] Open
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13
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Hao Z, Jiang C, Xu Z, Du Z, Xu J, Shi W, Meng Z, Yu S, Tian H. Reasonably optimized structure of iron-doped cobalt hydroxylfluoride for high-performance supercapacitors. J Colloid Interface Sci 2023; 644:64-72. [PMID: 37094473 DOI: 10.1016/j.jcis.2023.04.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/01/2023] [Accepted: 04/13/2023] [Indexed: 04/26/2023]
Abstract
Cobalt hydroxylfluoride (CoOHF) is an emerging supercapacitor material. However, it remains highly challenging to effectively enhance the performance of CoOHF, which is limited by its poor electron and ion transport ability. In this study, the intrinsic structure of CoOHF was optimized through Fe doping (CoOHF-xFe, where x represents the Fe/Co feeding ratio). As indicated by the experimental and theoretical calculation results, the incorporation of Fe effectively enhances the intrinsic conductivity of CoOHF and optimizes its surface ion adsorption capacity. Moreover, since the radius of Fe is slightly larger than that of Co, the space between the crystal planes of CoOHF increases to a certain extent, and the ability to store ions is consequently enhanced. The optimized CoOHF-0.06Fe sample exhibits the maximum specific capacitance (385.8 F g-1). The asymmetric supercapacitor with activated carbon achieves a high energy density of 37.2 Wh kg-1 at a power density of 1600 W kg-1, and a full hydrolysis pool is successfully driven by the device, indicating great application potential. This study lays a solid basis for the application of hydroxylfluoride to a novel generation of supercapacitors.
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Affiliation(s)
- Zeyu Hao
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China
| | - Chao Jiang
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China
| | - Zijin Xu
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China
| | - Zhengyan Du
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China
| | - Jian Xu
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China
| | - Wei Shi
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China
| | - Zeshuo Meng
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China.
| | - Shansheng Yu
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China.
| | - Hongwei Tian
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun 130012, China.
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Melethil K, Kumar MS, Wu CM, Shen HH, Vedhanarayanan B, Lin TW. Recent Progress of 2D Layered Materials in Water-in-Salt/Deep Eutectic Solvent-Based Liquid Electrolytes for Supercapacitors. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1257. [PMID: 37049350 PMCID: PMC10097202 DOI: 10.3390/nano13071257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/27/2023] [Accepted: 04/01/2023] [Indexed: 06/19/2023]
Abstract
Supercapacitors are candidates with the greatest potential for use in sustainable energy resources. Extensive research is being carried out to improve the performances of state-of-art supercapacitors to meet our increased energy demands because of huge technological innovations in various fields. The development of high-performing materials for supercapacitor components such as electrodes, electrolytes, current collectors, and separators is inevitable. To boost research in materials design and production toward supercapacitors, the up-to-date collection of recent advancements is necessary for the benefit of active researchers. This review summarizes the most recent developments of water-in-salt (WIS) and deep eutectic solvents (DES), which are considered significant electrolyte systems to advance the energy density of supercapacitors, with a focus on two-dimensional layered nanomaterials. It provides a comprehensive survey of 2D materials (graphene, MXenes, and transition-metal oxides/dichalcogenides/sulfides) employed in supercapacitors using WIS/DES electrolytes. The synthesis and characterization of various 2D materials along with their electrochemical performances in WIS and DES electrolyte systems are described. In addition, the challenges and opportunities for the next-generation supercapacitor devices are summarily discussed.
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Affiliation(s)
- Krishnakumar Melethil
- Department of Chemistry, Tunghai University, No.1727, Sec.4, Taiwan Boulevard, Xitun District, Taichung City 40704, Taiwan
| | - Munusamy Sathish Kumar
- Department of Chemistry, Tunghai University, No.1727, Sec.4, Taiwan Boulevard, Xitun District, Taichung City 40704, Taiwan
| | - Chun-Ming Wu
- National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - Hsin-Hui Shen
- Department of Materials Science and Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Balaraman Vedhanarayanan
- Department of Chemistry, Tunghai University, No.1727, Sec.4, Taiwan Boulevard, Xitun District, Taichung City 40704, Taiwan
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Tsung-Wu Lin
- Department of Chemistry, Tunghai University, No.1727, Sec.4, Taiwan Boulevard, Xitun District, Taichung City 40704, Taiwan
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15
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Xie Y, Yu C, Ni L, Yu J, Zhang Y, Qiu J. Carbon-Hybridized Hydroxides for Energy Conversion and Storage: Interface Chemistry and Manufacturing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209652. [PMID: 36575967 DOI: 10.1002/adma.202209652] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/18/2022] [Indexed: 06/17/2023]
Abstract
Carbon-hybridized hydroxides (CHHs) have been intensively investigated for uses in the energy conversion/storage fields. Nevertheless, the intrinsic structure-activity relationships between carbon and hydroxides within CHHs are still blurry, which hinders the fine modulation of CHHs in terms of practical applications to some degree. This review aims to figure out the intrinsic role of carbon materials in CHHs with a focus on the interface chemistry and the engineering strategy in-between two components. The fundamental effects of the carbon materials in enhancing the charge/mass transfer kinetics are first analyzed, particularly the extra electron pathways for fast charge transfer and the anchoring sites for boosting the mass transfer. Subsequently, the surface-guided/confined effects of carbon materials in CHHs to modify the morphology and tailor the hydroxides, and functional heterojunction for regulating the inner electronic structure are decoupled. The methods to efficiently construct a stable yet robust solid-solid heterointerface are summarized, including oxygen functional groups engrafting, topological defective sites construction and heteroatom incorporation to activate the inert carbon surface. The smart CHHs in some typical energy applications are demonstrated. Additionally, the methodologies that can reveal the hybridization electron configuration between two components are summed up. At last, the perspective and challenges faced by the CHHs for energy-related applications are outlined.
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Affiliation(s)
- Yuanyang Xie
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Chang Yu
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Lin Ni
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Jinhe Yu
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Yafang Zhang
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Jieshan Qiu
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
- College of Chemical Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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16
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Ren X, Bao E, Liu X, Xiang Y, Xu C, Chen H. Advanced Hybrid Supercapacitors Assembled With Beta-Co(OH)2 Microflowers and Microclews as High-performance Cathode Materials. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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17
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Oqmhula K, Toma T, Maezono R, Hongo K. First-Principles-Based Insight into Electrochemical Reactivity in a Cobalt-Carbonate-Hydroxide Pseudocapacitor. ACS OMEGA 2023; 8:6743-6752. [PMID: 36844582 PMCID: PMC9948173 DOI: 10.1021/acsomega.2c07362] [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: 11/16/2022] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Cobalt carbonate hydroxide (CCH) is a pseudocapacitive material with remarkably high capacitance and cycle stability. Previously, it was reported that CCH pseudocapacitive materials are orthorhombic in nature. Recent structural characterization has revealed that they are hexagonal in nature; however, their H positions still remain unclear. In this work, we carried out first-principles simulations to identify the H positions. We then considered various fundamental deprotonation reactions inside the crystal and computationally evaluated the electromotive forces (EMF) of deprotonation (V dp). Compared with the experimental potential window of the reaction (<0.6 V (vs saturated calomel electrode (SCE)), the computed V dp (vs SCE) value (3.05 V) was beyond the potential window, indicating that deprotonation never occurred inside the crystal. This may be attributed to the strong hydrogen bonds (H-bonds) that formed in the crystal, leading to structural stabilization. We further investigated the crystal anisotropy in an actual capacitive material by considering the growth mechanism of the CCH crystal. By associating our X-ray diffraction (XRD) peak simulations with experimental structural analysis, we found that the H-bonds formed between CCH planes (approximately parallel to the ab-plane) can result in 1-D growth (stacked along the c-axis). This anisotropic growth controls the balance between the total "non-reactive" CCH phases (inside the material) and the "reactive" hydroxide (Co(OH)2) phases (surface layers); the former stabilizes the structure, whereas the latter contributes to the electrochemical reaction. The balanced phases in the actual material can realize high capacity and cycle stability. The results obtained highlight the possibility of regulating the ratio of the CCH phase versus the Co(OH)2 phase by controlling the reaction surface area.
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Affiliation(s)
- Kenji Oqmhula
- School
of Information Science, Japan Advanced Institute
of Science and Technology, Asahidai 1-1, Nomi, Ishikawa 923-1292, Japan
| | - Takahiro Toma
- School
of Information Science, Japan Advanced Institute
of Science and Technology, Asahidai 1-1, Nomi, Ishikawa 923-1292, Japan
| | - Ryo Maezono
- School
of Information Science, Japan Advanced Institute
of Science and Technology, Asahidai 1-1, Nomi, Ishikawa 923-1292, Japan
| | - Kenta Hongo
- Research
Center for Advanced Computing Infrastructure, JAIST, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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Sugiarto, Imai Y, Hayashi Y. Synthesis of Water-Soluble Planar Cobalt(II), Nickel(II), and Copper(II) Hydroxo Clusters Using a (1,4,7-Triazacyclononane)cobalt(III) Complex as a Hydrolysis-Terminating Group. Inorg Chem 2023; 62:1845-1854. [PMID: 35749230 DOI: 10.1021/acs.inorgchem.2c01046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
We report on a group of planar cobalt(II), nickel(II), and copper(II) hydroxo clusters that have a definite composition and are water-soluble: [{Co(tacn)(OH)2}6Co7(OH)12](NO3)2(CF3SO3)6·10H2O (1), [{Co(tacn)(OH)2}6Ni7(OH)12](NO3)2(CF3SO3)6·10H2O (2a), [{Co(tacn)(OH)2}6Ni7(OH)12](BNPP)8·6CH3NO2·8H2O [2b; BNPP = bis(p-nitrophenyl)phosphate], [{Co(tacn)(OH)2}12Ni16(OH)26(OH2)2](SO4)4(CF3SO3)10·30H2O (3a), [{Co(tacn)(OH)2}12Ni16(OH)26(OH2)2](SO4)8(CF3SO3)2·44H2O (3b), [{Co(tacn)(OH)2}2Co2(OH)2(OH2)4](SO4)(CF3SO3)2·4H2O (4), [{Co(tacn)(OH)2}2Ni2(OH)2(OH2)4](SO4)(CF3SO3)2·4H2O (5), and [{Co(tacn)(OH)2}4Cu4(OH)6](ClO4)6·5H2O (6), where tacn is 1,4,7-triazacyclononane. The peripheral of each metal hydroxo cluster plane is chemically protected by the coordination of {CoIII(tacn)(OH)2}+ groups to prevent further hydrolysis. These clusters were synthesized by the reaction of an equimolar amount of [Co(tacn)(OH2)3]3+ and cobalt, nickel, or copper salt at pH values in the range of 6.0-12.0. The structure of the cation in compounds 1, 2a or 2b, 4, and 5 is relevant to the surface structure of the cobalt phosphate and nickel borate oxygen-evolution catalysts; in particular, the Co7(OH)12 core in 1. Moreover, the arrangement of M7(OH)12 in 1 and 2a or 2b and Cu4(OH)6 in 6 represents the solid-state structures of the (111) face of the cubic CoO or NiO and the (002) plane of Cu(OH)2, respectively. Extended X-ray absorption fine structure spectra of an aqueous solution of 1, 2a, 4, and 5 exhibit well-resolved peaks at the first and second coordination spheres due to the M-O and M···M distances, respectively; the solution-state bond distances were estimated, and they agreed well with the bond distances in the solid-state structures.
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Affiliation(s)
- Sugiarto
- Department of Chemistry, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
| | - Yuya Imai
- Department of Chemistry, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
| | - Yoshihito Hayashi
- Department of Chemistry, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
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He Y, Zhou W, Li D, Liang Y, Chao S, Zhao X, Zhang M, Xu J. Rare Earth Doping Engineering Tailoring Advanced Oxygen-Vacancy Co 3 O 4 with Tunable Structures for High-Efficiency Energy Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206956. [PMID: 36504322 DOI: 10.1002/smll.202206956] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 11/27/2022] [Indexed: 06/17/2023]
Abstract
Co3 O4 with high theoretical capacitance is a promising electrode material for high-end energy applications, yet the unexcited bulk electrochemical activity, low conductivity, and poor kinetics of Co3 O4 lead to unsatisfactory charge storage capacity. For boosting its energy storage capability, rare earth (RE)-doped Co3 O4 nanostructures with abundant oxygen vacancies are constructed by simple, economical, and universal chemical precipitation. By changing different types of RE (RE = La, Yb, Y, Ce, Er, Ho, Nd, Eu) as dopants, the RE-doped Co3 O4 nanostructures can be well transformed from large nanosheets to coiled tiny nanosheets and finally to ultrafine nanoparticles, meanwhile, their specific surface area, pore distribution, the ratio of Co2+ /Co3+ , oxygen vacancy content, crystalline phase, microstrain parameter, and the capacitance performance are regularly affected. Notably, Eu-doped Co3 O4 nanoparticles with good cycle stability show a maximum specific capacitance of 1021.3 F g-1 (90.78 mAh g-1 ) at 2 A g-1 , higher than 388 F g-1 (34.49 mAh g-1 ) of pristine Co3 O4 nanosheets. The assembling asymmetric supercapacitor delivers a high energy density of 48.23 Wh kg-1 at high power density of 1.2 kW kg-1 . These findings denote the significance and great potential of RE-doped Co3 O4 in the development of high-efficiency energy storage.
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Affiliation(s)
- Yao He
- Flexible Electronics Innovation Institute (FEII), Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
| | - Weiqiang Zhou
- Flexible Electronics Innovation Institute (FEII), Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
| | - Danqin Li
- Flexible Electronics Innovation Institute (FEII), Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
| | - Yanmei Liang
- Flexible Electronics Innovation Institute (FEII), Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
| | - Shixing Chao
- Flexible Electronics Innovation Institute (FEII), Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
| | - Xueqian Zhao
- Flexible Electronics Innovation Institute (FEII), Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
| | - Mingming Zhang
- Flexible Electronics Innovation Institute (FEII), Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
| | - Jingkun Xu
- Flexible Electronics Innovation Institute (FEII), Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
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Chen T, Xue L, Shi Z, Qiu C, Sun M, Zhao Y, Liu J, Ni M, Li H, Xu J, Xia H. Interlayer Modulation of Layered Transition Metal Compounds for Energy Storage. ACS APPLIED MATERIALS & INTERFACES 2022; 14:54369-54388. [PMID: 36459661 DOI: 10.1021/acsami.2c08690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Layered transition metal compounds are one of the most important electrode materials for high-performance electrochemical energy storage devices, such as batteries and supercapacitors. Charge storage in these materials can be achieved via intercalation of ions into the interlayer channels between the layer slabs. With the development of lithium-beyond batteries, larger carrier ions require optimized interlayer space for the unrestricted diffusion in the two-dimensional channels and effectively shielded electrostatic interaction between the slabs and interlayer ions. Therefore, interlayer modulation has become an efficient and promising approach to overcome the problems of sluggish kinetics, structural distortion, irreversible phase transition, dissolution of some transition metal elements, and air instability faced by these materials and thus enhance the overall electrochemical performance. In this review, we focus on the interlayer modulation of layered transition metal compounds for various batteries and supercapacitors. Merits of interlayer modulation on the charge storage procedures of charge transfer, ion diffusion, and structural transformation are first discussed, with emphasis on the state-of-art strategies of intercalation and doping with foreign species. Following the obtained insights, applications of modified layered electrode materials in various batteries and supercapacitors are summarized, which may guide the future development of high-performance and low-cost electrode materials for energy storage.
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Affiliation(s)
- Tingting Chen
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Liang Xue
- Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing210094, China
| | - Zhengyi Shi
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Ce Qiu
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Mingqing Sun
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Yang Zhao
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Juntao Liu
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Mingzhu Ni
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Hao Li
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Jing Xu
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Hui Xia
- Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
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Roy A, Schoetz T, Gordon LW, Yen H, Hao Q, Mandler D. Formation of a CoMn-Layered Double Hydroxide/Graphite Supercapacitor by a Single Electrochemical Step. CHEMSUSCHEM 2022; 15:e202201418. [PMID: 36042539 PMCID: PMC9826322 DOI: 10.1002/cssc.202201418] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/29/2022] [Indexed: 06/15/2023]
Abstract
Hybrid electric storage systems that combine capacitive and faradaic materials need to be well designed to benefit from the advantages of batteries and supercapacitors. The ultimate capacitive material is graphite (GR), yet high capacitance is usually not achieved due to restacking of its sheets. Therefore, an appealing approach to achieve high power and energy systems is to embed a faradaic 2D material in between the graphite sheets. Here, a simple one-step approach was developed, whereby a faradaic material [layered double hydroxide (LDH)] was electrochemically formed inside electrochemically exfoliated graphite. Specifically, GR was exfoliated under negative potentials by CoII and, in the presence of MnII , formed GR-CoMn-LDH, which exhibited a high areal capacitance and energy density. The high areal capacitance was attributed to the exfoliation of the graphite at very negative potentials to form a 3D foam-like structure driven by hydrogen evolution as well as the deposition of CoMn-LDH due to hydroxide ion generation inside the GR sheets. The ratio between the CoII and MnII in the CoMn-LDH was optimized and analyzed, and the electrochemical performance was studied. Analysis of a cross-section of the GR-CoMn-LDH confirmed the deposition of LDH inside the GR layers. The areal capacitance of the electrode was 186 mF cm-2 at a scan rate of 2 mV s-1 . Finally, an asymmetric supercapacitor was assembled with GR-CoMn-LDH and exfoliated graphite as the positive and negative electrodes, respectively, yielding an energy density of 96.1 μWh cm-3 and a power density of 5 mW cm-3 .
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Affiliation(s)
- Atanu Roy
- Institute of ChemistryThe Hebrew University of JerusalemJerusalem9190401Israel
| | - Theresa Schoetz
- Department of Chemical EngineeringThe City College of New YorkCUNYNew YorkNY 10031USA
| | - Leo W. Gordon
- Department of Chemical EngineeringThe City College of New York, CUNYNew YorkNY 10031USA
| | - Hung‐Ju Yen
- Institute of ChemistryAcademia SinicaNankang DistrictTaipei11529Taiwan
| | - Qingli Hao
- School of Chemical EngineeringNanjing University of Science and TechnologyNanjing210094P. R. China
| | - Daniel Mandler
- Institute of ChemistryThe Hebrew University of JerusalemJerusalem9190401Israel
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22
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Inside–outside OH– incursion involved in the fabrication of hierarchical nanoflake assembled three-dimensional flower-like α-Co(OH)2 for use in high-performance aqueous symmetric supercapacitor applications. J Adv Res 2022:S2090-1232(22)00238-7. [PMID: 36280142 PMCID: PMC10403652 DOI: 10.1016/j.jare.2022.10.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 10/10/2022] [Accepted: 10/16/2022] [Indexed: 11/06/2022] Open
Abstract
INTRODUCTION The energy industry has been challenged by the current high population and high energy consumption, forcing the development of effective and efficient supercapacitor devices. The crucial issues until now have been high production cost, deprived cyclic stability, and squat energy density. To resolve these problems, various approaches have been taken, such as the development of long-life electrode materials with high capacity, rapid charging, and slow discharging to overcome poor life cycle stability. OBJECTIVES In the present work we focus on fabricating cost-effective unique-morphology, high-surface-area alpha-Co(OH)2 for application in an aqueous-electrolyte symmetric supercapacitor. METHODS In this study, hierarchical nanoflakes assembled in three-dimensional (3D) flower-shaped cobalt hydroxide (HN-3DF-α-Co(OH)2) electrode were synthesized using the solvothermal method with sodium dodecylbenzene sulfonate (SDBS) and methanol as solvents. Spectroscopic and microscopic techniques were used to characterize fabricated HN-3DF-Co(OH)2, which revealed that the materials electrode exhibited the alpha phase with a hierarchical flower-like structure. A half-cell electrochemical assembly (three-electrode assemble cell) and symmetric full cell (two-electrode assemble cell) were examined in an aqueous electrolyte. RESULTS In three-electrode assembly cells, HN-3DF-α-Co(OH)2 exhibited 719.5 Fg-1 specific capacitance (Csp) at 1 Ag-1 with excellent cyclic retention stability of approximately 88% after 3000 cycles. In two-electrode symmetric supercapacitive systems, HN-3DF-α-Co(OH)2 achieved a maximum Csp of 70.3 Fg-1 at 0.4 Ag-1 with the highest energy density of approximately 6.25 Wh/kg at a power density of 328.94 W/kg. The fabricated two-electrode assembly cell with the HN-3DF-α-Co(OH)2 electrode retained cyclic stability of approximately 85% after 5000 repeated charge and discharge cycles. CONCLUSION Solvothermally-synthesized, optimized HN-3DF-α-Co(OH)2 showed outstanding electrochemical performance results in three- and two-electrode systems. This unique aqueous symmetric supercapacitor can be used to design cost-effective symmetric capacitors based on metal hydroxide.
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23
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Lattice-strain engineering of CoOOH induced by NiMn-MOF for high-efficiency supercapacitor and water oxidation electrocatalysis. J Colloid Interface Sci 2022. [DOI: 10.1016/j.jcis.2022.04.126] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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24
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Guo W, Luo H, Jiang Z, Fang D, Chi J, Shangguan W, Wang Z, Wang L, Lee AF. Ge-Doped Cobalt Oxide for Electrocatalytic and Photocatalytic Water Splitting. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Weiqi Guo
- Research Center for Combustion and Environment Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Haolin Luo
- Research Center for Combustion and Environment Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhi Jiang
- Research Center for Combustion and Environment Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dongxu Fang
- Research Center for Combustion and Environment Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jiasheng Chi
- Research Center for Combustion and Environment Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wenfeng Shangguan
- Research Center for Combustion and Environment Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhiliang Wang
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Lianzhou Wang
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Adam F. Lee
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), RMIT University, Melbourne, Victoria 3000, Australia
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25
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Jing C, Yuan T, Li L, Li J, Qian Z, Zhou J, Wang Y, Xi S, Zhang N, Lin HJ, Chen CT, Hu Z, Li DW, Zhang L, Wang JQ. Electrocatalyst with Dynamic Formation of the Dual-Active Site from the Dual Pathway Observed by In Situ Raman Spectroscopy. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chao Jing
- Department of Hydrogen Technique, Key Laboratory of Interfacial Physics and Technology, Chinese Academy of Sciences, Shanghai Institute of Applied Physics, Jialuo Road 2019, Shanghai 201800, P.R. China
| | - Taotao Yuan
- Department of Hydrogen Technique, Key Laboratory of Interfacial Physics and Technology, Chinese Academy of Sciences, Shanghai Institute of Applied Physics, Jialuo Road 2019, Shanghai 201800, P.R. China
- School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
| | - Lili Li
- Department of Hydrogen Technique, Key Laboratory of Interfacial Physics and Technology, Chinese Academy of Sciences, Shanghai Institute of Applied Physics, Jialuo Road 2019, Shanghai 201800, P.R. China
| | - Jianfeng Li
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Zhengxin Qian
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Jing Zhou
- Department of Hydrogen Technique, Key Laboratory of Interfacial Physics and Technology, Chinese Academy of Sciences, Shanghai Institute of Applied Physics, Jialuo Road 2019, Shanghai 201800, P.R. China
| | - Yifeng Wang
- Department of Hydrogen Technique, Key Laboratory of Interfacial Physics and Technology, Chinese Academy of Sciences, Shanghai Institute of Applied Physics, Jialuo Road 2019, Shanghai 201800, P.R. China
| | - Shibo Xi
- Institute of Chemical and Engineering Sciences, A*STAR, Singapore 138632, Singapore
| | - Nian Zhang
- Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, P. R. China
| | - Hong-Ji Lin
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu 30076, Taiwan, R.O.C
| | - Chien-Te Chen
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu 30076, Taiwan, R.O.C
| | - Zhiwei Hu
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40, Dresden 01187, Germany
| | - Da-Wei Li
- School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
| | - Linjuan Zhang
- Department of Hydrogen Technique, Key Laboratory of Interfacial Physics and Technology, Chinese Academy of Sciences, Shanghai Institute of Applied Physics, Jialuo Road 2019, Shanghai 201800, P.R. China
| | - Jian-Qiang Wang
- Department of Hydrogen Technique, Key Laboratory of Interfacial Physics and Technology, Chinese Academy of Sciences, Shanghai Institute of Applied Physics, Jialuo Road 2019, Shanghai 201800, P.R. China
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Liu Y, Zhang W, Zheng W. Quantum Dots Compete at the Acme of MXene Family for the Optimal Catalysis. NANO-MICRO LETTERS 2022; 14:158. [PMID: 35916985 PMCID: PMC9346050 DOI: 10.1007/s40820-022-00908-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 06/25/2022] [Indexed: 05/05/2023]
Abstract
It is well known that two-dimensional (2D) MXene-derived quantum dots (MQDs) inherit the excellent physicochemical properties of the parental MXenes, as a Chinese proverb says, "Indigo blue is extracted from the indigo plant, but is bluer than the plant it comes from." Therefore, 0D QDs harvest larger surface-to-volume ratio, outstanding optical properties, and vigorous quantum confinement effect. Currently, MQDs trigger enormous research enthusiasm as an emerging star of functional materials applied to physics, chemistry, biology, energy conversion, and storage. Since the surface properties of small-sized MQDs include the type of surface functional groups, the functionalized surface directly determines their performance. As the Nobel Laureate Wolfgang Pauli says, "God made the bulk, but the surface was invented by the devil," and it is just on the basis of the abundant surface functional groups, there is lots of space to be thereof excavated from MQDs. We are witnessing such excellence and even more promising to be expected. Nowadays, MQDs have been widely applied to catalysis, whereas the related reviews are rarely reported. Herein, we provide a state-of-the-art overview of MQDs in catalysis over the past five years, ranging from the origin and development of MQDs, synthetic routes of MQDs, and functionalized MQDs to advanced characterization techniques. To explore the diversity of catalytic application and perspectives of MQDs, our review will stimulate more efforts toward the synthesis of optimal MQDs and thereof designing high-performance MQDs-based catalysts.
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Affiliation(s)
- Yuhua Liu
- Key Laboratory of Automobile Materials MOE, and School of Materials Science and Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, People's Republic of China
| | - Wei Zhang
- Key Laboratory of Automobile Materials MOE, and School of Materials Science and Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, People's Republic of China.
| | - Weitao Zheng
- Key Laboratory of Automobile Materials MOE, and School of Materials Science and Engineering, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, and Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun, 130012, People's Republic of China.
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27
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Zhou K, Wang S, Zhong G, Chen J, Bao Y, Niu L. Hierarchical Heterostructure Engineering of Layered Double Hydroxides on Nickel Sulfides Heteronanowire Arrays as Efficient Cathode for Alkaline Aqueous Zinc Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202799. [PMID: 35908162 DOI: 10.1002/smll.202202799] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/24/2022] [Indexed: 06/15/2023]
Abstract
Aqueous alkaline rechargeable nickel-zinc (Ni-Zn) batteries possess great potential for large-scale energy storage systems because of their high output voltage, cheap cost, and intrinsic safety. However, the practical applicability of Ni-Zn batteries has been limited by traditional Ni-based cathodes with low capacity and poor cycle stability. Rational design of electrode structure and composition is highly desired but still significantly challenging. Herein, uniform self-supported hierarchical heterostructure composites interacting NiCo-layered double hydroxide with 1D nickel sulfides heteronanowire rooted on Ni foam (NF\Ni3 S2 /NiS@NiCo-LDH) are successfully developed by a hydrothermal sulfurization-electrodeposition process. The self-supported 3D hierarchical heterostructured composites nanoarray provides abundant reactive sites, rapid ion diffusion channels, and fast electron transfer routes, as well as strong structural stability. More significantly, the strong interfacial charge transfer between Ni3 S2 /NiS heteronanowire and NiCo-LDH effectively modifies the electronic structure of the composites and thereby improving the reaction kinetics. Consequently, the NF\Ni3 S2 /NiS@NiCo-LDH electrode presents a superior capacity of 434.5 mAh g-1 (1.73 mAh cm-2 ) at 3 mA cm-2 . In addition, the fabricated NF\Ni3 S2 /NiS@NiCo-LDH//Zn battery can offer a maximal energy density and power density as large as 556.3 Wh kg-1 and 26.3 kW kg-1 , respectively, as well as an exceptional cycling performance.
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Affiliation(s)
- Kai Zhou
- Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, c/ o School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Shuai Wang
- Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, c/ o School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Guixiang Zhong
- Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, c/ o School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Jingrong Chen
- Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, c/ o School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Yu Bao
- Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, c/ o School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Li Niu
- Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, c/ o School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P. R. China
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28
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Kang J, Xue Y, Yang J, Hu Q, Zhang Q, Gu L, Selloni A, Liu LM, Guo L. Realizing Two-Electron Transfer in Ni(OH) 2 Nanosheets for Energy Storage. J Am Chem Soc 2022; 144:8969-8976. [PMID: 35500303 DOI: 10.1021/jacs.1c13523] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The theoretical capacity of a given electrode material is ultimately determined by the number of electrons transferred in each redox center. The design of multi-electron transfer processes could break through the limitation of one-electron transfer and multiply the total capacity but is difficult to achieve because multiple electron transfer processes are generally thermodynamically and kinetically more complex. Here, we report the discovery of two-electron transfer in monolayer Ni(OH)2 nanosheets, which contrasts with the traditional one-electron transfer found in multilayer materials. First-principles calculations predict that the first oxidation process Ni2+ → Ni3+ occurs easily, whereas the second electron transfer in Ni3+ → Ni4+ is strongly hindered in multilayer materials by both the interlayer hydrogen bonds and the domain H structure induced by the Jahn-Teller distortion of the Ni3+ (t2g6eg1)-centered octahedra. In contrast, the second electron transfer can easily occur in monolayers because all H atoms are fully exposed. Experimentally, the as-prepared monolayer is found to deliver an exceptional redox capacity of ∼576 mA h/g, nearly 2 times the theoretical capacity of one-electron processes. In situ experiments demonstrate that monolayer Ni(OH)2 can transfer two electrons and most Ni ions transform into Ni4+ during the charging process, whereas bulk Ni(OH)2 can only be transformed partially. Our work reveals a new redox reaction mechanism in atomically thin Ni(OH)2 nanosheets and suggests a promising path toward tuning the electron transfer numbers to multiply the capacity of the relevant energy storage materials.
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Affiliation(s)
- Jianxin Kang
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Beihang University, Beijing 100191, China
| | - Yufeng Xue
- School of Physics, Beihang University, Beijing 100191, China
| | - Jie Yang
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Beihang University, Beijing 100191, China
| | - Qi Hu
- Beijing Computational Science Research Center, Beijing 100193, China
| | - Qinghua Zhang
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Lin Gu
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Annabella Selloni
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Li-Min Liu
- School of Physics, Beihang University, Beijing 100191, China
| | - Lin Guo
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Beihang University, Beijing 100191, China
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29
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Fu Q, Yang M, Liu Z, Yang H, She F, Zhang X, Xie F, Hu Y, Chen J. Unveiling the promotion of intermediates transport kinetics on the N/S co-doping 3D structure titanium carbide aerogel for high-performance supercapacitors. J Colloid Interface Sci 2022; 618:161-172. [PMID: 35338923 DOI: 10.1016/j.jcis.2022.03.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/13/2022] [Accepted: 03/14/2022] [Indexed: 10/18/2022]
Abstract
Two-dimensional (2D) transition metal carbides (MXene) have shown great advantages as electrode materials in the new generation of energy storage, especially in supercapacitors. However, the inherent low specific capacitance and restacking layers of nanosheets that occur during electrode preparation further reduce the electrochemical performance of the materials. Based on this, we design a N, S co-doping electrode with a three-dimensional (3D) structure, which not only improves the specific capacitance through fundamentally modifying the electronic structure of the electrode materials, but also effectively improves the rate performance of the electrode by preventing the restacking of 2D materials. The N, S co-doping 3D architecture Ti3C2Tx electrode (TC/NS-3D) exhibits an excellent capacitance value of 440 F g-1 at 5 mV s-1 and 64% capacitance retention rate at a high scan rate of 1000 mV s-1 in 3 mol L-1 H2SO4 electrolyte. The TC/NS-3D electrode also shows excellent capacitance retention of 97.2% after the 10,000 cycles stability test. The density functional theory (DFT) analysis reveals the enhanced performance is attributed to accelerated intermediates transport kinetics promoted by 3D structure engineering and N, S co-doping for Ti3C2Tx. This study is promising in designing heteroatomic doping 3D structure MXene-based materials for electrochemical energy storage systems.
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Affiliation(s)
- Qishan Fu
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510725, China
| | - Muzi Yang
- Instrumental Analysis and Research Centre, Sun Yat-sen University, Guangzhou 510275, China
| | - Zhongfei Liu
- School of Materials, Sun Yat-sen University, Shenzhen 518107, China
| | - Hao Yang
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry & Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Fengquan She
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510725, China
| | - Xiaoqi Zhang
- Instrumental Analysis and Research Centre, Sun Yat-sen University, Guangzhou 510275, China
| | - Fangyan Xie
- Instrumental Analysis and Research Centre, Sun Yat-sen University, Guangzhou 510275, China
| | - Yuwen Hu
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510725, China.
| | - Jian Chen
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510725, China; Instrumental Analysis and Research Centre, Sun Yat-sen University, Guangzhou 510275, China.
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30
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Bailmare DB, Tripathi P, Deshmukh AD, Gupta BK. Designing of two dimensional lanthanum cobalt hydroxide engineered high performance supercapacitor for longer stability under redox active electrolyte. Sci Rep 2022; 12:3084. [PMID: 35197489 PMCID: PMC8866478 DOI: 10.1038/s41598-022-06839-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 02/01/2022] [Indexed: 11/09/2022] Open
Abstract
Redox active electrolyte supercapacitors differ significantly from the conventional electrolytes based storage devices but face a long term stability issue which requires a different approach while designing the systems. Here, we show the change in layered double hydroxides (LDHs) systems with rare earth elements (lanthanum) can drastically influence the stability of two dimensional LDH systems in redox electrolyte. We find that the choice of rare earth element (lanthanum) having magnetic properties and higher thermal and chemical stability has a profound effect on the stability of La-Co LDHs electrode in redox electrolyte. The fabricated hybrid device with rare earth based positive electrode and carbon as negative electrode having redox electrolyte leads to long stable high volumetric/gravimetric capacity at high discharge rate, demonstrates the importance of considering the rare earth elements while designing the LDH systems for redox active supercapacitor development.
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Affiliation(s)
- Deepa B Bailmare
- Energy Materials and Devices Laboratory, Department of Physics, RTM Nagpur University, Nagpur, 440033, India
| | - Prashant Tripathi
- Photonic Materials Metrology Subdivision, Advanced Materials and Device Metrology Division, CSIR-National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi, 110012, India
| | - Abhay D Deshmukh
- Energy Materials and Devices Laboratory, Department of Physics, RTM Nagpur University, Nagpur, 440033, India.
| | - Bipin Kumar Gupta
- Photonic Materials Metrology Subdivision, Advanced Materials and Device Metrology Division, CSIR-National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi, 110012, India.
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31
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Liu XX, Chen C, He Q, Kong Q, Blackwood DJ, Li NW, Yu L, Chen JS. Self-Supported Transition Metal-Based Nanoarrays for Efficient Energy Storage. CHEM REC 2022; 22:e202100294. [PMID: 35138030 DOI: 10.1002/tcr.202100294] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/17/2022] [Indexed: 01/11/2023]
Abstract
Rechargeable batteries and supercapacitors are currently considered as promising electrochemical energy storage (EES) systems to address the energy and environment issues. Self-supported transition metal (Ni, Co, Mn, Mo, Cu, V)-based materials are promising electrodes for EES devices, which offer highly efficient charge transfer kinetics. This review summarizes the latest development of transition metal-based materials with self-supported structures for EES systems. Special focus has been taken on the synthetic methods, the selection of substrates, architectures and chemical compositions of different self-supported nanoarrays in energy storage systems. Finally, the challenges and opportunities of these materials for future development in this field are briefly discussed. We believe that the advancement in self-supported electrode materials would pave the way towards next-generation EES.
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Affiliation(s)
- Xiong Xiong Liu
- Institute for Advanced Study, Chengdu University, Chengdu, 610106, China.,School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Chong Chen
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Qian He
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Qingquan Kong
- Institute for Advanced Study, Chengdu University, Chengdu, 610106, China
| | - Daniel John Blackwood
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Nian Wu Li
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Le Yu
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Jun Song Chen
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
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Luo W, Wei Y, Zhuang Z, Lin Z, Li X, Hou C, Li T, Ma Y. Fabrication of Ti3C2Tx MXene/polyaniline composite films with adjustable thickness for high-performance flexible all-solid-state symmetric supercapacitors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.139871] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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33
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Cheng W, Wu Z, Luan D, Zang S, Lou XW(D. Synergetic Cobalt‐Copper‐Based Bimetal–Organic Framework Nanoboxes toward Efficient Electrochemical Oxygen Evolution. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202112775] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Weiren Cheng
- School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
| | - Zhi‐Peng Wu
- School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
- Green Catalysis Center, and College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Deyan Luan
- School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
| | - Shuang‐Quan Zang
- Green Catalysis Center, and College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Xiong Wen (David) Lou
- School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
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Cheng W, Wu ZP, Luan D, Zang SQ, Lou XWD. Synergetic Cobalt-Copper-Based Bimetal-Organic Framework Nanoboxes toward Efficient Electrochemical Oxygen Evolution. Angew Chem Int Ed Engl 2021; 60:26397-26402. [PMID: 34661372 DOI: 10.1002/anie.202112775] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/16/2021] [Indexed: 11/09/2022]
Abstract
The development of efficient oxygen electrocatalysts and understanding their underlying catalytic mechanism are of significant importance for the high-performance energy conversion and storage technologies. Herein, we report novel CoCu-based bimetallic metal-organic framework nanoboxes (CoCu-MOF NBs) as promising catalysts toward efficient electrochemical oxygen evolution reaction (OER), fabricated via a successive cation and ligand exchange strategy. With the highly exposed bimetal centers and the well-designed architecture, the CoCu-MOF NBs show excellent OER activity and stability, with a small overpotential of 271 mV at 10 mA cm-2 and a high turnover frequency value of 0.326 s-1 at an overpotential of 300 mV. In combination of quasi in situ X-ray absorption fine structure spectroscopy and density-functional theory calculations, the post-formed CoCu-based oxyhydroxide analogue during OER is believed to account for the high OER activity of CoCu-MOF NBs, where the electronic synergy between Co and neighbouring Cu atoms promotes the O-O bond coupling toward fast OER kinetics.
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Affiliation(s)
- Weiren Cheng
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Zhi-Peng Wu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore.,Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Deyan Luan
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Shuang-Quan Zang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Xiong Wen David Lou
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
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35
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Poompiew N, Pattananuwat P, Potiyaraj P. Controllable Morphology of Sea-Urchin-like Nickel-Cobalt Carbonate Hydroxide as a Supercapacitor Electrode with Battery-like Behavior. ACS OMEGA 2021; 6:25138-25150. [PMID: 34632173 PMCID: PMC8495705 DOI: 10.1021/acsomega.1c02139] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 09/13/2021] [Indexed: 06/13/2023]
Abstract
Nickel-cobalt carbonate hydroxide with a three-dimensional (3D) sea-urchin-like structure was successfully developed by the hydrothermal process. The obtained structure enables the enhancement of charge/ion diffusion for the high-performance supercapacitor electrodes. The mole ratio of nickel to cobalt plays a vital role in the densely packed sea-urchin-like structure formation and electrochemical properties. At optimized nickel/cobalt mole ratio (1:2), the highest specific capacitance of 950.2 F g-1 at 1 A g-1 and the excellent cycling stability of 178.3% after 3000 charging/discharging cycles at 40 mV s-1 are achieved. This nickel-cobalt carbonate hydroxide electrode yields an energy density in the range of 42.9-15.8 Wh kg-1, with power density in the range of 285.0-2849.9 W kg-1. The charge/discharge mechanism at the atomic level as monitored by time-resolved X-ray absorption spectroscopy (TR-XAS) indicates that the high capacitance behavior in a nickel-cobalt carbonate hydroxide is mainly dominated by cobalt carbonate hydroxide.
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Affiliation(s)
- Nutthapong Poompiew
- Department
of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Prasit Pattananuwat
- Department
of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
- Research
Unit of Advanced Materials for Energy Storage, Chulalongkorn University, Bangkok 10330, Thailand
- Center
of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pranut Potiyaraj
- Department
of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
- Center
of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand
- Center
of Excellence on Responsive Wearable Materials, Chulalongkorn University, Bangkok 10330, Thailand
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36
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Poompiew N, Pattananuwat P, Potiyaraj P. In situ hydrothermal synthesis of nickel cobalt sulfide nanoparticles embedded on nitrogen and sulfur dual doped graphene for a high performance supercapacitor electrode. RSC Adv 2021; 11:25057-25067. [PMID: 35481059 PMCID: PMC9036894 DOI: 10.1039/d1ra03607f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 07/14/2021] [Indexed: 11/28/2022] Open
Abstract
Nickel cobalt sulfide nanoparticles (NCS) embedded onto a nitrogen and sulfur dual doped graphene (NS-G) surface are successfully synthesized via a two-step facile hydrothermal process. The electrical double-layer capacitor of NS-G acts as a supporting host for the growth of pseudocapacitance NCS nanoparticles, thus enhancing the synergistic electrochemical performance. The specific capacitance values of 1420.2 F g-1 at 10 mV s-1 and 630.6 F g-1 at 1 A g-1 are achieved with an impressive capability rate of 76.6% preservation at 10 A g-1. Furthermore, the integrating NiCo2S4 nanoparticles embedding onto the NS-G surface also present a surprising improvement in the cycle performance, maintaining 110% retention after 10 000 cycles. Owing to the unique morphology an impressive energy density of 19.35 W h kg-1 at a power density of 235.0 W kg-1 suggests its potential application in high-performance supercapacitors.
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Affiliation(s)
- Nutthapong Poompiew
- Department of Materials Science, Faculty of Science, Chulalongkorn University Bangkok 10330 Thailand +66 2 218 5561 +66 2 218 5544
| | - Prasit Pattananuwat
- Department of Materials Science, Faculty of Science, Chulalongkorn University Bangkok 10330 Thailand +66 2 218 5561 +66 2 218 5544
- Research Unit of Advanced Materials for Energy Storage, Chulalongkorn University Bangkok Thailand
- Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University Bangkok Thailand
| | - Pranut Potiyaraj
- Department of Materials Science, Faculty of Science, Chulalongkorn University Bangkok 10330 Thailand +66 2 218 5561 +66 2 218 5544
- Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University Bangkok Thailand
- Center of Excellence in Responsive Wearable Materials, Chulalongkorn University Bangkok Thailand
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37
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Zhang J, Wang Z, Deng T, Zhang W. Ni(OH) 2 derived Ni-MOF supported on carbon nanowalls for supercapacitors. NANOTECHNOLOGY 2021; 32:195404. [PMID: 33494080 DOI: 10.1088/1361-6528/abdf8e] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Metal organic frameworks (MOFs) are expected to be promising pseudocapacitve materials because of their potential redox sites and porous structures. Nevertheless, the conductivity inferiority of MOF strongly decreases their structural advantages, therefore resulting in unsatisfying electrochemical performance. Herein, we propose an efficient strategy to enhance conductivity and thus electrochemical properties, in Ni(OH)2 is electrochemically deposited on carbon nanowalls as the precursor for oriented MOF. The synthesized vertically oriented MOF sheets show an almost triple high capacitance of 677 F g-1 than MOF powder of 239 F g-1 at the current density of 2 A g-1. Correspondingly, an asymmetric supercapacitor is fabricated, which can deliver a maximum energy density of 20.7 Wh kg-1 and a maximum power density of 23 200 W kg-1. These promising results indicate that modulating the conductivity of MOF is the key step to pursuit upgrading electrochemical performance.
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Affiliation(s)
- Jiahao Zhang
- State Key Laboratory of Automotive Simulation and Control, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, People's Republic of China
| | - Zizhun Wang
- State Key Laboratory of Automotive Simulation and Control, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, People's Republic of China
| | - Ting Deng
- State Key Laboratory of Automotive Simulation and Control, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, People's Republic of China
| | - Wei Zhang
- State Key Laboratory of Automotive Simulation and Control, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, People's Republic of China
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
- IKERBASQUE, Basque Foundation for Science, Bilbao 48013, Spain
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38
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Dou Q, Wu N, Yuan H, Shin KH, Tang Y, Mitlin D, Park HS. Emerging trends in anion storage materials for the capacitive and hybrid energy storage and beyond. Chem Soc Rev 2021; 50:6734-6789. [PMID: 33955977 DOI: 10.1039/d0cs00721h] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Electrochemical capacitors charge and discharge more rapidly than batteries over longer cycles, but their practical applications remain limited due to their significantly lower energy densities. Pseudocapacitors and hybrid capacitors have been developed to extend Ragone plots to higher energy density values, but they are also limited by the insufficient breadth of options for electrode materials, which require materials that store alkali metal cations such as Li+ and Na+. Herein, we report a comprehensive and systematic review of emerging anion storage materials for performance- and functionality-oriented applications in electrochemical and battery-capacitor hybrid devices. The operating principles and types of dual-ion and whole-anion storage in electrochemical and hybrid capacitors are addressed along with the classification, thermodynamic and kinetic aspects, and associated interfaces of anion storage materials in various aqueous and non-aqueous electrolytes. The charge storage mechanism, structure-property correlation, and electrochemical features of anion storage materials are comprehensively discussed. The recent progress in emerging anion storage materials is also discussed, focusing on high-performance applications, such as dual-ion- and whole-anion-storing electrochemical capacitors in a symmetric or hybrid manner, and functional applications including micro- and flexible capacitors, desalination, and salinity cells. Finally, we present our perspective on the current impediments and future directions in this field.
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Affiliation(s)
- Qingyun Dou
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 440-746, Korea.
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39
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Shi X, Deng T, Zhu G. Vertically oriented Ni-MOF@Co(OH) 2 flakes towards enhanced hybrid supercapacitior performance. J Colloid Interface Sci 2021; 593:214-221. [PMID: 33813289 DOI: 10.1016/j.jcis.2021.02.096] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/18/2021] [Accepted: 02/23/2021] [Indexed: 11/28/2022]
Abstract
Two dimensional (2D) materials, with ideal interlayer spacing for ion intercalation/de-intercalation, are quite appealing for hybrid supercapacitors (HSCs) in the pursuit of harvesting promising electrochemical performance. Integrating different 2D materials together is one effective strategy to achieve such goals. However, preserving the ion diffusion channel and accelerating electron transfer should be considered during the compositing process. Herein, we propose a two-step strategy to efficiently composite cobalt hydroxide (Co(OH)2) and Ni-based MOF (Ni-MOF-24), in which a vertically oriented Ni-MOF@Co(OH)2 array on nickel foam is obtained. The maximum specific capacitance of 1448 Fg-1 (2 Ag-1) is delivered by Ni-MOF@Co(OH)2. Accordingly, a hybrid Ni-MOF@Co(OH)2//AC HSC is thereof assembled, which outputsa high specific power of 22,400 W kg-1 and a considerable specific energy of 45.7 Wh kg-1.
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Affiliation(s)
- Xiaoyuan Shi
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Ting Deng
- State Key Laboratory of Automotive Simulation and Control, School of Materials Science & Engineering, Jilin University, Changchun 130012, China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun 130024, China.
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40
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Xie Y, Wang Z, Wang H, Lu L, Subramanian P, Ji S, Kannan P. α‐Co(OH)
2
Thin‐Layered Cactus‐Like Nanostructures Wrapped Ni
3
S
2
Nanowires: A Robust and Potential Catalyst for Electro‐oxidation of Hydrazine. ChemElectroChem 2021. [DOI: 10.1002/celc.202100068] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yichun Xie
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing, Zhejiang 314001 P. R. China
- Fujian Yanan Power Co. Ltd. Ningde Fujian 352100 P. R. China
| | - Zining Wang
- College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 P. R. China
| | - Hui Wang
- College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 P. R. China
| | - Lei Lu
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing, Zhejiang 314001 P. R. China
| | | | - Shan Ji
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing, Zhejiang 314001 P. R. China
| | - Palanisamy Kannan
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing, Zhejiang 314001 P. R. China
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41
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Tang J, Huang W, Lv X, Shi Q. Improved chemical precipitation prepared rapidly NiCo 2S 4 with high specific capacitance for supercapacitors. NANOTECHNOLOGY 2021; 32:085604. [PMID: 33263308 DOI: 10.1088/1361-6528/abc7d6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this work, rapid chemical precipitation assisted annealing method is used to prepare flower-like NiCo2S4. And the flower-like structure after polyethylene glycol (PEG) modification yields an excellent specific capacitance (2198.9 F g-1 at 1 A g-1). And an asymmetric supercapacitor assembled with NiCo2S4 (PEG-modified) and activated carbon (AC) shows an energy density of 38.2 Wh kg-1 at 400 W kg-1, and outstanding stability (80% remained after 3000 cycles at 5 A g-1). Benefited by a larger specific surface area and suitable pore size of the aggregate structure, the specific capacitance of prepared NiCo2S4 is increased by about 2 times. This uncomplicated preparation method is proved to be suitable for NiCo2S4 with a high specific capacitance of supercapacitors.
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Affiliation(s)
- Jibin Tang
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Wanxia Huang
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Xiang Lv
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Qiwu Shi
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
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42
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Li T, Qin T, Yang C, Zhang W, Zhang W. Mechanism orienting structure construction of electrodes for aqueous electrochemical energy storage systems: a review. NANOSCALE 2021; 13:3412-3435. [PMID: 33566046 DOI: 10.1039/d0nr08911g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Aqueous electrochemical energy storage systems (AEESS) are considered as the most promising energy storage devices for large-scale energy storage. AEESSs, including batteries and supercapacitors, have received extensive attention due to their low cost, eco-friendliness, and high safety. However, the insufficient energy densities of the state-of-the-art AEESSs limit their practical applications which are mainly dominated by the electrochemical performances of individual electrode materials. Understanding the underlying relationship between structures, reaction mechanisms, and performances can further lead to the design and optimization of structures of the electrodes instructively, thereby harvesting favorable performances. This review classified the intrinsic logic of structure-mechanism-performance by taking some prevailing mechanisms with some classical structures of materials as examples. Moreover, some problem-oriented structural engineering strategies are proposed aiming to optimize their performance. Finally, comprehensive structural design engineering and some suggestions for fine modifications of electrode materials at the atomic and molecular levels are proposed to combine the advantages of supercapacitor- and battery-type materials for designing excellent electrode materials for AEESSs.
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Affiliation(s)
- Tian Li
- School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China and CITIC Dicastal Co., Ltd, Qinhuangdao 066011, China
| | - TingTing Qin
- State Key Laboratory of Automotive Simulation and Control, School of Materials Science & Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China.
| | - ChangLin Yang
- School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China
| | - WenLi Zhang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
| | - Wei Zhang
- State Key Laboratory of Automotive Simulation and Control, School of Materials Science & Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, China.
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43
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Deng T, Shi X, Zhang W, Wang Z, Zheng W. Unlocking the potential of metal organic frameworks for synergized specific and areal capacitances via orientation regulation. NANOTECHNOLOGY 2021; 32:075402. [PMID: 32942271 DOI: 10.1088/1361-6528/abb975] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Metal organic frameworks (MOFs) with numerous potential pseudocapacitive sites are quite appealing to supercapacitors with high specific and areal capacitances. However, MOFs suffer from a low conductivity nature, resulting in a mediocre electrochemical performance. Herein, we propose a template-growth strategy of MOF to enhance both specific and areal capacitances of MOF as the electrode material for supercapacitor. As the loading mass of MOF increases from 2 to 5 mg, the specific capacitance also increases from 937 to 2387 Fg-1 (431 to 1098 Cg-1) and areal capacitance 1.87 to 11.94 Fcm-2 (0.86 to 5.49 Ccm-1). Accordingly, a hybrid MOF//AC supercapacitor can deliver a maximum energy density of 67 Wh kg-1 and a maximum power density of 6000 W kg-1. These results point to a way to fabricate MOF electrode of supercapacitor with high specific and areal capacitance, which leads them to a more practical future.
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Affiliation(s)
- Ting Deng
- Key Laboratory of Mobile Materials Ministry of Education, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, People's Republic of China
| | - Xiaoyuan Shi
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun 130024, People's Republic of China
| | - Wei Zhang
- Key Laboratory of Mobile Materials Ministry of Education, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, People's Republic of China
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
- IKERBASQUE, Basque Foundation for Science, Bilbao 48013, Spain
| | - Zizhun Wang
- Key Laboratory of Mobile Materials Ministry of Education, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, People's Republic of China
| | - Weitao Zheng
- Key Laboratory of Mobile Materials Ministry of Education, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin University, Changchun 130012, People's Republic of China
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44
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Barzgar Vishlaghi M, Kahraman A, Apaydin S, Usman E, Aksoy D, Balkan T, Munir S, Harfouche M, Ogasawara H, Kaya S. The significance of the local structure of cobalt-based catalysts on the photoelectrochemical water oxidation activity of BiVO4. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137467] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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45
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Majumdar D. Review on Current Progress of MnO
2
‐Based Ternary Nanocomposites for Supercapacitor Applications. ChemElectroChem 2020. [DOI: 10.1002/celc.202001371] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Dipanwita Majumdar
- Department of Chemistry Chandernagore College Chandannagar Hooghly, West Bengal India Pin-712136
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46
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Shepit M, Paidi VK, Roberts CA, van Lierop J. Competing ferro- and antiferromagnetic exchange drives shape-selective [Formula: see text] nanomagnetism. Sci Rep 2020; 10:20990. [PMID: 33268828 PMCID: PMC7710736 DOI: 10.1038/s41598-020-77650-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 11/13/2020] [Indexed: 11/08/2022] Open
Abstract
We have synthesized three different shapes of [Formula: see text] nanoparticles to investigate the relationships between the surface Co[Formula: see text] and Co[Formula: see text] bonding quantified by exploiting the known exposed surface planes, terminations, and coordiations of [Formula: see text] nanoparticle spheres, cubes and plates. Subsequently this information is related to the unusual behaviour observed in the magnetism. The competition of exchange interactions at the surface provides the mechanism for different behaviours in the shapes. The cubes display weakened antiferromagnetic interactions in the form of a spin-flop that occurs at the surface, while the plates show distinct ferromagnetic behaviour due to the strong competition between the interactions. We elucidate the spin properties which are highly sensitive to bonding and crystal field environments. This work provides a new window into the mechanisms behind surface magnetism.
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Affiliation(s)
- Michael Shepit
- Department of Physics and Astronomy, University of Manitoba, Winnipeg, MB R3T 2N2 Canada
| | - Vinod K. Paidi
- Department of Physics and Astronomy, University of Manitoba, Winnipeg, MB R3T 2N2 Canada
| | - Charles A. Roberts
- Toyota Motor Engineering and Manufacturing North America Inc., 1555 Woodridge Avenue, Ann Arbor, MI 48105 USA
| | - Johan van Lierop
- Department of Physics and Astronomy, University of Manitoba, Winnipeg, MB R3T 2N2 Canada
- Manitoba Institute for Materials, University of Manitoba, Winnipeg, MB R3T 2N2 Canada
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47
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Bai L, Huang H, Zhang S, Hao L, Zhang Z, Li H, Sun L, Guo L, Huang H, Zhang Y. Photocatalysis-Assisted Co 3O 4/g-C 3N 4 p-n Junction All-Solid-State Supercapacitors: A Bridge between Energy Storage and Photocatalysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2001939. [PMID: 33240757 PMCID: PMC7675041 DOI: 10.1002/advs.202001939] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/28/2020] [Indexed: 05/05/2023]
Abstract
Supercapacitors with the advantages of high power density and fast discharging rate have full applications in energy storage. However, the low energy density restricts their development. Conventional methods for improving energy density are mainly confined to doping atoms and hybridizing with other active materials. Herein, a Co3O4/g-C3N4 p-n junction with excellent capacity is developed and its application in an all-solid-state flexible device is demonstrated, whose capacity and energy density are considerably enhanced by simulated solar light irradiation. Under photoirradiation, the capacity is increased by 70.6% at the maximum current density of 26.6 mA cm-2 and a power density of 16.0 kW kg-1. The energy density is enhanced from 7.5 to 12.9 Wh kg-1 with photoirradiation. The maximum energy density reaches 16.4 Wh kg-1 at a power density of 6.4 kW kg-1. It is uncovered that the lattice distortion of Co3O4, reduces defects of g-C3N4, and the facilitated photo-generated charge separation by the Co3O4/g-C3N4 p-n junction all make contributions to the promoted electrochemical storage performance. This work may provide a new strategy to enhance the energy density of supercapacitors and expand the application range of photocatalytic materials.
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Affiliation(s)
- Liqi Bai
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of GeosciencesBeijing100083P. R. China
| | - Hongwei Huang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of GeosciencesBeijing100083P. R. China
| | - Songge Zhang
- Key Laboratory of Synthetic and Biological ColloidsMinistry of EducationSchool of Chemical and Material EngineeringJiangnan UniversityWuxi214122P. R. China
| | - Lin Hao
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of GeosciencesBeijing100083P. R. China
| | - Zhili Zhang
- Key Laboratory of Synthetic and Biological ColloidsMinistry of EducationSchool of Chemical and Material EngineeringJiangnan UniversityWuxi214122P. R. China
| | - Hongfen Li
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of GeosciencesBeijing100083P. R. China
| | - Li Sun
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of GeosciencesBeijing100083P. R. China
| | - Lina Guo
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of GeosciencesBeijing100083P. R. China
| | - Haitao Huang
- Department of Applied PhysicsThe Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SAR999077P. R. China
| | - Yihe Zhang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of GeosciencesBeijing100083P. R. China
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48
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Zhang B, Li X, Zou J, Kim F. MnCO 3 on Graphene Porous Framework via Diffusion-Driven Layer-by-Layer Assembly for High-Performance Pseudocapacitor. ACS APPLIED MATERIALS & INTERFACES 2020; 12:47695-47703. [PMID: 33030889 DOI: 10.1021/acsami.0c15511] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Diffusion-driven layer-by-layer (dd-LbL) assembly is a simple yet versatile process that can be used to construct graphene oxide (GO) into a three-dimensional (3D) porous framework with good mechanical stability. In particular, the oxygen functional groups on the GO surface are well retained, providing nucleation sites for further chemical reactions to be performed upon. Therefore, such a scaffold should serve as a promising starting material for creating a wide range of 3D graphene-based composites while maintaining a high accessible surface area. Herein, we demonstrate the use of the porous GO macrostructure derived from dd-LbL assembly for the preparation of graphene-MnCO3 hybrid structures. MnCO3 is a newly reported pseudocapacitive material for supercapacitors; however, its electrochemical performance is hampered by its low electrical conductivity and poor chemical stability. Through reaction between KMnO4 and GO during a hydrothermal process, the surface of the porous scaffold was rendered with uniform MnCO3 nanoparticles. With the reduced graphene oxide (rGO) sheets serving as the conductive backbone, the resultant MnCO3 nanoparticles exhibited a capacitance of 698 F g-1 at a charge/discharge current of 0.5 mA (320 F g-1 for the combined rGO and MnCO3 composite). Furthermore, the electrode maintained 77% of its initial capacity even after 5000 cycles of charge/discharge tests at 20 mA.
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Affiliation(s)
- Binbin Zhang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
| | - Xin Li
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Jianli Zou
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Franklin Kim
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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Du M, Li Q, Zhao Y, Liu CS, Pang H. A review of electrochemical energy storage behaviors based on pristine metal–organic frameworks and their composites. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213341] [Citation(s) in RCA: 110] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Mao L, Zhao X, Wang H, Xu H, Xie L, Zhao C, Chen L. Novel Two-Dimensional Porous Materials for Electrochemical Energy Storage: A Minireview. CHEM REC 2020; 20:922-935. [PMID: 32614148 DOI: 10.1002/tcr.202000052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/31/2020] [Accepted: 06/02/2020] [Indexed: 01/07/2023]
Abstract
Two dimensional (2D) porous materials have great potential in electrochemical energy conversion and storage. Over the past five years, our research group has focused on Simple, Mass, Homogeneous and Repeatable Synthesis of various 2D porous materials and their applications for electrochemical energy storage especially for supercapacitors (SCs). During the experimental process, through precisely controlling the experimental parameters, such as reaction species, molar ratio of different ions, concentration, pH value of reaction solution, heating temperature, and reaction time, we have successfully achieved the control of crystal structure, composition, crystallinity, morphology, and size of these 2D porous materials including transition metal oxides (TMOs), transition metal hydroxides (TMHOs), transition metal oxalates (TMOXs), transition metal coordination complexes (TMCCs) and carbon materials, as well as their derivatives and composites. We have also named some of them with CQU-Chen (CQU is the initialism of Chongqing University, Chen is the last name of Lingyun Chen), such as CQU-Chen-Co-O-1, CQU-Chen-Ni-O-H-1, CQU-Chen-Zn-Co-O-1, CQU-Chen-Zn-Co-O-2, CQU-Chen-OA-Co-2-1, CQU-Chen-Co-OA-1, CQU-Chen-Ni-OA-1, CQU-Chen-Gly-Co-3-1, CQU-Chen-Gly-Ni-2-1, CQU-Chen-Gly-Co-Ni-1, etc. The introduction of 2D porous materials as electrode materials for SCs improves the energy storage performances. These materials provide a large number of active sites for ion adsorption, supply plentiful channels for fast ion transport and boost electrical conductivity and facilitate electron transportation and ion penetration. The unique 2D porous structures review is mainly devoted to the introduction of our contribution in the 2D porous nanostructured materials for SC. Finally, the further directions about the preparation of 2D porous materials and electrochemical energy conversion and storage applications are also included.
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Affiliation(s)
- Lei Mao
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Xun Zhao
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Huayu Wang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Hong Xu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Li Xie
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Chenglan Zhao
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Lingyun Chen
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
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