1
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Tang R, Aziz A, Yu W, Pan ZZ, Nishikawa G, Yoshii T, Nomura K, Taylor EE, Stadie NP, Inoue K, Kotani M, Kyotani T, Nishihara H. Prominent Structural Dependence of Quantum Capacitance Unraveled by Nitrogen-Doped Graphene Mesosponge. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308066. [PMID: 38057129 DOI: 10.1002/smll.202308066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/15/2023] [Indexed: 12/08/2023]
Abstract
Porous carbons are important electrode materials for supercapacitors. One of the challenges associated with supercapacitors is improving their energy density without relying on pseudocapacitance, which is based on fast redox reactions that often shorten device lifetimes. A possible solution involves achieving high total capacitance (Ctot), which comprises Helmholtz capacitance (CH) and possibly quantum capacitance (CQ), in high-surface carbon materials comprising minimally stacked graphene walls. In this work, a templating method is used to synthesize 3D mesoporous graphenes with largely identical pore structures (≈2100 m2 g-1 with an average pore size of ≈7 nm) but different concentrations of oxygen-containing functional groups (0.3-6.7 wt.%) and nitrogen dopants (0.1-4.5 wt.%). Thus, the impact of the heteroatom functionalities on Ctot is systematically investigated in an organic electrolyte excluding the effect of pore structures. It is found that heteroatom functionalities determine Ctot, resulting in the cyclic voltammetry curves being rectangular or butterfly-shaped. The nitrogen functionalities are found to significantly enhance Ctot owing to increased CQ.
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Affiliation(s)
- Rui Tang
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, Changsha, 410082, China
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Alex Aziz
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
- International Research Fellow of Japan Society for the Promotion of Science (Postdoctoral Fellowships for Research in Japan), Tokyo, Japan
| | - Wei Yu
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Zheng-Ze Pan
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Ginga Nishikawa
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Takeharu Yoshii
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Keita Nomura
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Erin E Taylor
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
- Department of Chemistry & Biochemistry, Montana State University, Bozeman, Montana, 59717, USA
| | - Nicholas P Stadie
- Department of Chemistry & Biochemistry, Montana State University, Bozeman, Montana, 59717, USA
| | - Kazutoshi Inoue
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Motoko Kotani
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Takashi Kyotani
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Hirotomo Nishihara
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
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2
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Gentile M, Bellani S, Zappia MI, Gamberini A, Mastronardi V, Abruzzese M, Gabatel L, Pasquale L, Marras S, Bagheri A, Beydaghi H, Papadopoulou EL, Lanzani G, Bonaccorso F. Hydrogen-Assisted Thermal Treatment of Electrode Materials for Electrochemical Double-Layer Capacitors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:13706-13718. [PMID: 38458613 PMCID: PMC10958450 DOI: 10.1021/acsami.3c18629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 03/10/2024]
Abstract
The capacitance of electrode materials used in electrochemical double-layer capacitors (EDLCs) is currently limited by several factors, including inaccessible isolated micropores in high-surface area carbons, the finite density of states resulting in a quantum capacitance in series to Helmholtz double-layer capacitance, and the presence of surface impurities, such as functional groups and adsorbed species. To unlock the full potential of EDLC active materials and corresponding electrodes, several post-production treatments are commonly proposed to improve their capacitance and, thus, the energy density of the corresponding devices. In this work, we report a systematic study of the effect of a prototypical treatment, namely H2-assisted thermal treatment, on the chemical, structural, and thermal properties of activated carbon and corresponding electrodes. By combining multiple characterization techniques, we clarify the actual origins of the improvement of the performance (e.g., > +35% energy density for the investigated power densities in the 0.5-45 kW kg-1 range) of the EDLCs based on treated electrodes compared to the case based on the pristine electrodes. Contrary to previous works supporting a questionable graphitization of the activated carbon at temperatures <1000 °C, we found that a "surface graphitization" of the activated carbon, detected by spectroscopic analysis, is mainly associated with the desorption of surface contaminants. The elimination of surface impurities, including adsorbed species, improves the surface capacitance of the activated carbon (CsurfAC) by +37.1 and +36.3% at specific currents of 1 and 10 A g-1, respectively. Despite the presence of slight densification of the activated carbon upon the thermal treatment, the latter still improves the cell gravimetric capacitance normalized on the mass of the activated carbon only (CgAC), e.g., + 28% at 1 A g-1. Besides, our holistic approach identifies the change in the active material and binder contents as a concomitant cause of the increase of cell gravimetric capacitance (Cg), accounting for the mass of all of the electrode materials measured for treated electrodes compared to pristine ones. Overall, this study provides new insights into the relationship between the modifications of the electrode materials induced by H2-assisted thermal treatments and the performance of the resulting EDLCs.
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Affiliation(s)
- Matteo Gentile
- BeDimensional
S.p.A., Via Lungotorrente
Secca 30R, Genova 16163, Italy
- Dipartimento
di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy
| | | | | | - Agnese Gamberini
- BeDimensional
S.p.A., Via Lungotorrente
Secca 30R, Genova 16163, Italy
| | | | - Matteo Abruzzese
- BeDimensional
S.p.A., Via Lungotorrente
Secca 30R, Genova 16163, Italy
| | - Luca Gabatel
- BeDimensional
S.p.A., Via Lungotorrente
Secca 30R, Genova 16163, Italy
- Department
of Mechanical, Energy, Management and Transport Engineering - DIME, Università di Genova, Via all’Opera Pia 15, Genova 16145, Italy
| | - Lea Pasquale
- Materials
Characterization Facility, Istituto Italiano
di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Sergio Marras
- Materials
Characterization Facility, Istituto Italiano
di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Ahmad Bagheri
- Graphene
Laboratories, Istituto Italiano di Tecnologia, Via Morego 30, Genoa 16163, Italy
- Center for
Advancing Electronics Dresden (CFAED) & Faculty of Chemistry and
Food Chemistry, Technische Universität
Dresden, Dresden 01062, Germany
| | - Hossein Beydaghi
- BeDimensional
S.p.A., Via Lungotorrente
Secca 30R, Genova 16163, Italy
| | | | - Guglielmo Lanzani
- Dipartimento
di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy
- Center
for Nano Science and Technology @PoliMi, Istituto Italiano di Tecnologia, Via Pascoli 70/3, Milano 20133, Italy
| | - Francesco Bonaccorso
- BeDimensional
S.p.A., Via Lungotorrente
Secca 30R, Genova 16163, Italy
- Graphene
Laboratories, Istituto Italiano di Tecnologia, Via Morego 30, Genoa 16163, Italy
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3
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Tang R, Nomura K, Inoue K, Kotani M, Kyotani T, Nishihara H. Capacitance of edge-free three-dimensional graphene: New perspectives on the design of carbon structures for supercapacitor applications. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141009] [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]
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4
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Moreno-Fernández G, Boulanger N, Nordenström A, Iakunkov A, Talyzin A, Carriazo D, Mysyk R. Ball-milling-enhanced capacitive charge storage of activated graphene in aqueous, organic and ionic liquid electrolytes. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.137738] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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5
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Kang HJ, Lee SH, Lim TG, Park JH, Kim B, Buffière P, Park HD. Recent advances in methanogenesis through direct interspecies electron transfer via conductive materials: A molecular microbiological perspective. BIORESOURCE TECHNOLOGY 2021; 322:124587. [PMID: 33358582 DOI: 10.1016/j.biortech.2020.124587] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 05/28/2023]
Abstract
Conductive materials can serve as biocatalysts during direct interspecies electron transfer for methanogenesis in anaerobic reactors. However, the mechanism promoting direct interspecies electron transfer in anaerobic reactors, particularly under environments in which diverse substrates and microorganisms coexist, remains to be elucidated from a scientific or an engineering point of view. Currently, many molecular microbiological approaches are employed to understand the fundamentals of this phenomenon. Here, the direct interspecies electron transfer mechanisms and relevant microorganisms identified to date using molecular microbiological methods were critically reviewed. Moreover, molecular microbiological methods for direct interspecies electron transfer used in previous studies and important findings thus revealed were analyzed. This review will help us better understand the phenomena of direct interspecies electron transfer using conductive materials and offer a framework for future molecular microbiological studies.
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Affiliation(s)
- Hyun-Jin Kang
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, South Korea
| | - Sang-Hoon Lee
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, South Korea
| | - Tae-Guen Lim
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, South Korea
| | - Jeong-Hoon Park
- Sustainable Technology and Wellness R&D Group, Korea Institute of Industrial Technology (KITECH), Jeju-si, South Korea
| | - Boram Kim
- DEEP Laboratory, Université de Lyon, INSA Lyon, Lyon, France
| | - Pierre Buffière
- DEEP Laboratory, Université de Lyon, INSA Lyon, Lyon, France
| | - Hee-Deung Park
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, South Korea.
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6
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Hoque MK, Behan JA, Creel J, Lunney JG, Perova TS, Colavita PE. Reactive Plasma N-Doping of Amorphous Carbon Electrodes: Decoupling Disorder and Chemical Effects on Capacitive and Electrocatalytic Performance. Front Chem 2020; 8:593932. [PMID: 33240854 PMCID: PMC7670066 DOI: 10.3389/fchem.2020.593932] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 10/06/2020] [Indexed: 11/13/2022] Open
Abstract
Nitrogen-free amorphous carbon thin films prepared via sputtering followed by graphitization, were used as precursor materials for the creation of N-doped carbon electrodes with varying degrees of amorphization. Incorporation of N-sites was achieved via nitrogen plasma treatments which resulted in both surface functionalization and amorphization of the carbon electrode materials. X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy were used to monitor composition and carbon organization: results indicate incorporation of predominantly pyrrolic-N sites after relatively short treatment cycles (5 min or less), accompanied by an initial etching of amorphous regions followed by a slower process of amorphization of graphitized clusters. By leveraging the difference in the rate of these two processes it was possible to investigate the effects of chemical N-sites and C-defect sites on their electrochemical response. The materials were tested as metal-free electrocatalysts in the oxygen reduction reaction (ORR) in alkaline conditions. We find that the introduction of predominantly pyrrolic-N sites via plasma modification results in improvements in selectivity in the ORR, relative to the nitrogen-free precursor material. Introduction of defects through prolonged plasma exposure has a more pronounced and beneficial effect on ORR descriptors than introduction of N-sites alone, leading to both increased onset potentials, and reduced hydroperoxide yields relative to the nitrogen-free carbon material. Our results suggest that increased structural disorder/heterogeneity results in the introduction of carbon sites that might either serve as main activity sites, or that enhance the effects of N-functionalities in the ORR via synergistic effects.
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Affiliation(s)
- Md. Khairul Hoque
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN) and SFI Research Centre for Advanced Materials and BioEngineering Research (AMBER) Research Centres, School of Chemistry, Trinity College Dublin, Dublin, Ireland
| | - James A. Behan
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN) and SFI Research Centre for Advanced Materials and BioEngineering Research (AMBER) Research Centres, School of Chemistry, Trinity College Dublin, Dublin, Ireland
| | - James Creel
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN) and SFI Research Centre for Advanced Materials and BioEngineering Research (AMBER) Research Centres, School of Chemistry, Trinity College Dublin, Dublin, Ireland
| | | | - Tatiana S. Perova
- School of Engineering, Trinity College Dublin, College Green, Dublin, Ireland
| | - Paula E. Colavita
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN) and SFI Research Centre for Advanced Materials and BioEngineering Research (AMBER) Research Centres, School of Chemistry, Trinity College Dublin, Dublin, Ireland
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7
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Felhősi I, Keresztes Z, Marek T, Pajkossy T. Properties of electrochemical double-layer capacitors with carbon-nanotubes-on-carbon-fiber-felt electrodes. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135548] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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8
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Differential capacitance of ionic liquid interface with graphene: The effects of correlation and finite size of ions. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.06.171] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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9
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Probing the ionic liquid/semiconductor interfaces over macroscopic distances using X-ray photoelectron spectroscopy. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.06.156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Xie Y, Li W, Hu G, Peng Z, Cao Y, Du K. A new strategy to activate graphite oxide as a high-performance cathode material for lithium-ion batteries. NEW J CHEM 2019. [DOI: 10.1039/c8nj06417b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Partially reduced graphite oxide was re-oxidized at a high potential of 5.2 V.
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Affiliation(s)
- Yongqiang Xie
- School of Metallurgy and Environment
- Central South University
- Changsha City
- China
| | - Wei Li
- School of Metallurgy and Environment
- Central South University
- Changsha City
- China
| | - Guorong Hu
- School of Metallurgy and Environment
- Central South University
- Changsha City
- China
| | - Zhongdong Peng
- School of Metallurgy and Environment
- Central South University
- Changsha City
- China
| | - Yanbing Cao
- School of Metallurgy and Environment
- Central South University
- Changsha City
- China
| | - Ke Du
- School of Metallurgy and Environment
- Central South University
- Changsha City
- China
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11
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Hoque MK, Behan JA, Stamatin S, Zen F, Perova TS, Colavita PE. Capacitive storage at nitrogen doped amorphous carbon electrodes: structural and chemical effects of nitrogen incorporation. RSC Adv 2019; 9:4063-4071. [PMID: 35518062 PMCID: PMC9060499 DOI: 10.1039/c8ra10187f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 01/21/2019] [Indexed: 12/24/2022] Open
Abstract
Nitrogen incorporated carbon materials play an important role in electrochemical energy conversion technologies from fuel cells to capacitive storage devices. This work investigates the effects of nitrogen incorporation on capacitance, work function and semiconductor properties of amorphous carbon thin film electrodes. Nitrogenated electrodes (a-C:N) electrodes were synthesized via magnetron sputtering and characterized using X-ray photoelectron spectroscopy, ultraviolet photoelectron spectroscopy (UPS), Raman spectroscopy, cyclic voltammetry (CV), and electrochemical impedance spectroscopy (EIS). EIS was carried in both aqueous (0.1 M KCl) and organic (0.1 M TBAPF6/acetonitrile) electrolytes to discriminate between pseudocapacitive contributions and changes to semiconductor properties of the materials arising from structural and chemical disruption of the graphitic carbon scaffold. Raman and UPS spectroscopy both suggest that nitrogen incorporation increases the metallic character of the disordered carbon matrix at low-intermediate concentrations, whereas further nitrogen incorporation results in significantly more defective carbon with small graphitic cluster size. EIS studies in 0.1 M KCl indicate that the capacitance of a-C:N electrodes increases relative to nitrogen-free a-C electrodes due to a combination of microroughness and pseudocapacitive contributions in parallel to those of the double layer capacitance. Results in 0.1 M TBAPF6 in acetonitrile which are dominated by the interfacial capacitance, show that initial nitrogen incorporation into the disordered carbon scaffold compensates for p-type properties in the disordered carbon matrix, resulting in an increase in metallic character. Greater levels of nitrogenation, are instead disruptive and increase defect density while decreasing the double layer capacitance. Nitrogen incorporation into carbon increases metallic character and capacitance, however high concentrations are instead disruptive and decrease interfacial capacitance.![]()
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Affiliation(s)
- Md. Khairul Hoque
- School of Chemistry
- CRANN
- AMBER Research Centres
- Trinity College Dublin
- Dublin 2
| | - James A. Behan
- School of Chemistry
- CRANN
- AMBER Research Centres
- Trinity College Dublin
- Dublin 2
| | - Serban N. Stamatin
- School of Chemistry
- CRANN
- AMBER Research Centres
- Trinity College Dublin
- Dublin 2
| | - Federico Zen
- School of Chemistry
- CRANN
- AMBER Research Centres
- Trinity College Dublin
- Dublin 2
| | - Tatiana S. Perova
- Department of Electronic and Electrical Engineering
- Trinity College Dublin
- Dublin 2
- Ireland
- ITMO University
| | - Paula E. Colavita
- School of Chemistry
- CRANN
- AMBER Research Centres
- Trinity College Dublin
- Dublin 2
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12
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Prehal C, Koczwara C, Amenitsch H, Presser V, Paris O. Salt concentration and charging velocity determine ion charge storage mechanism in nanoporous supercapacitors. Nat Commun 2018; 9:4145. [PMID: 30297775 PMCID: PMC6175899 DOI: 10.1038/s41467-018-06612-4] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 09/15/2018] [Indexed: 11/13/2022] Open
Abstract
A fundamental understanding of ion charge storage in nanoporous electrodes is essential to improve the performance of supercapacitors or devices for capacitive desalination. Here, we employ in situ X-ray transmission measurements on activated carbon supercapacitors to study ion concentration changes during electrochemical operation. Whereas counter-ion adsorption was found to dominate at small electrolyte salt concentrations and slow cycling speed, ion replacement prevails for high molar concentrations and/or fast cycling. Chronoamperometry measurements reveal two distinct time regimes of ion concentration changes. In the first regime the supercapacitor is charged, and counter- and co-ion concentration changes align with ion replacement and partially co-ion expulsion. In the second regime, the electrode charge remains constant, but the total ion concentration increases. We conclude that the initial fast charge neutralization in nanoporous supercapacitor electrodes leads to a non-equilibrium ion configuration. The subsequent, charge-neutral equilibration slowly increases the total ion concentration towards counter-ion adsorption. To improve supercapacitor performance, mechanisms of operation should be understood. Here the authors identify parameters controlling ion charge storage mechanisms and show that charging initially implies a non-equilibrium ion configuration followed by charge-neutral equilibration.
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Affiliation(s)
- C Prehal
- Institute of Physics, Montanuniversitaet Leoben, Franz-Josef Straße 18, 8700, Leoben, Austria. .,Institute for Chemistry and Technology of Materials, Graz University of Technology, Stremayrgasse 9/V, 8010, Graz, Austria.
| | - C Koczwara
- Institute of Physics, Montanuniversitaet Leoben, Franz-Josef Straße 18, 8700, Leoben, Austria
| | - H Amenitsch
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - V Presser
- INM-Leibniz Institute for New Materials, Campus D2 2, 66123, Saarbrücken, Germany.,Department of Materials Science and Engineering, Saarland University, Campus D2 2, 66123, Saarbrücken, Germany
| | - O Paris
- Institute of Physics, Montanuniversitaet Leoben, Franz-Josef Straße 18, 8700, Leoben, Austria.
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13
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Daniels L, Scott M, Mišković Z. The effects of dielectric decrement and finite ion size on differential capacitance of electrolytically gated graphene. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.04.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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14
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Urita K, Urita C, Fujita K, Horio K, Yoshida M, Moriguchi I. The ideal porous structure of EDLC carbon electrodes with extremely high capacitance. NANOSCALE 2017; 9:15643-15649. [PMID: 28993824 DOI: 10.1039/c7nr05307j] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
We propose an ideal porous structure of carbon electrodes for electric double-layer capacitors (EDLCs). The porous carbon successfully improved the gravimetric capacitance above ∼200 F g-1 even in an organic electrolyte by utilizing the carbon nanopore surface more effectively. High-resolution transmission electron microscopy images and X-ray diffraction patterns classified 15 different porous carbon electrodes into slit-shape and worm-like-shape, and the pore size distributions of the carbons were carefully determined applying the grand canonical Monte Carlo method to N2 adsorption isotherms at 77 K. The ratio of pores where solvated ions and/or desolvated ions can penetrate also has a significant effect on the EDL capacitance as well as the pore shape. The detailed study on the effect of porous morphologies on the EDLC performance indicates that a hierarchical porous structure with a worm-like shaped surface and a pore size ranging from a solvated ion to a solvent molecule is an ideal electrode structure.
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Affiliation(s)
- K Urita
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, Nagasaki 852-8521, Japan
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15
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Redondo E, Tsai WY, Daffos B, Taberna PL, Simon P, Goikolea E, Mysyk R. Outstanding room-temperature capacitance of biomass-derived microporous carbons in ionic liquid electrolyte. Electrochem commun 2017. [DOI: 10.1016/j.elecom.2017.04.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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16
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Abstract
AbstractThe advancement of modern electronic devices depends strongly on the highly efficient energy sources possessing high energy density and power density. In this regard, supercapacitors show great promise. Due to the unique hierarchical structure, excellent electrical and mechanical properties, and high specific surface area, carbon nanomaterials (particularly, carbon nanotubes, graphene, mesoporous carbon and their hybrids) have been widely investigated as efficient electrode materials in supercapacitors. This review article summarizes progress in high-performance supercapacitors based on carbon nanomaterials with an emphasis on the design and fabrication of electrode structures and elucidation of charge-storage mechanisms. Recent developments on carbon-based flexible and stretchable supercapacitors for various potential applications, including integrated energy sources, self-powered sensors and wearable electronics, are also discussed.
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Affiliation(s)
- Xuli Chen
- Center of Advanced Science and Engineering for Carbon (Case 4Carbon), Department of Macromolecular Science and Engineering, Case School of Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA
| | - Rajib Paul
- Center of Advanced Science and Engineering for Carbon (Case 4Carbon), Department of Macromolecular Science and Engineering, Case School of Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA
| | - Liming Dai
- Center of Advanced Science and Engineering for Carbon (Case 4Carbon), Department of Macromolecular Science and Engineering, Case School of Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA
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17
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Shin D, Choun M, Ham HC, Lee JK, Lee J. A graphitic edge plane rich meso-porous carbon anode for alkaline water electrolysis. Phys Chem Chem Phys 2017; 19:21987-21995. [DOI: 10.1039/c7cp03208k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly graphitic edge plane rich porous carbon structure might be the origin of electrocatalytic activity for oxygen evolution reaction in carbon based catalysts and the embedded metal particles play a role in forming the specific carbon structure along with improving degree of graphitization.
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Affiliation(s)
- Dongyoon Shin
- Electrochemical Reaction and Technology Laboratory (ERTL)
- School of Earth Science and Environmental Engineering
- Gwangju Institute of Science and Technology (GIST)
- Gwangju 500-712
- Republic of Korea
| | - Myounghoon Choun
- Electrochemical Reaction and Technology Laboratory (ERTL)
- School of Earth Science and Environmental Engineering
- Gwangju Institute of Science and Technology (GIST)
- Gwangju 500-712
- Republic of Korea
| | - Hyung Chul Ham
- Fuel Cell Research Center
- Korea Institute of Science and Technology (KIST)
- Seoul 136-791
- Republic of Korea
| | - Jae Kwang Lee
- Ertl Center for Electrochemistry and Catalysis
- GIST Research Institute
- GIST
- Gwangju 500-712
- Republic of Korea
| | - Jaeyoung Lee
- Electrochemical Reaction and Technology Laboratory (ERTL)
- School of Earth Science and Environmental Engineering
- Gwangju Institute of Science and Technology (GIST)
- Gwangju 500-712
- Republic of Korea
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18
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Senokos E, Reguero V, Palma J, Vilatela JJ, Marcilla R. Macroscopic fibres of CNTs as electrodes for multifunctional electric double layer capacitors: from quantum capacitance to device performance. NANOSCALE 2016; 8:3620-3628. [PMID: 26809811 DOI: 10.1039/c5nr07697h] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In this work we present a combined electrochemical and mechanical study of mesoporous electrodes based on CNT fibres in the context of electric double layer capacitors. We show that through control of the synthetic and assembly processes of the fibres, it is possible to obtain an active material that combines a surface area of 250 m(2) g(-1), high electrical conductivity (3.5 × 10(5) S m(-1)) and mechanical properties in the high-performance range including toughness (35 J g(-1)) comparable to that of aramid fibre (e.g. Kevlar). These properties are a consequence of the predominant orientation of the CNTs, observed by wide- and small-angle X-ray diffraction, and to the exceptionally long CNT length on the millimetre scale. Cyclic voltammetry measurements in a three-electrode configuration and using 1-butyl-3-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (PYR14TFSI) ionic liquid electrolyte, show that the CNT fibres have a large quantum capacitance, evidenced by the near linear dependence of geometric capacitance (and conductivity) on potential bias. This reflects the low dimensionality of the CNT building blocks, which were purposely synthesised to have 1-5 layers and a high degree of graphitization. From the charge-discharge measurements of supercapacitor devices with symmetric CNT fibre electrodes we obtain power and energy densities as high as 58 kW kg(-1) and 14 Wh kg(-1), respectively. These record-high values for CNT fibre-based supercapacitors, are a consequence of the low equivalent series resistance due to the high conductivity of the fibres, the large contribution from quantum capacitance, and the wide stability window of the ionic liquid (3.5 V). Cycle life experiments demonstrate stable capacitance and energy retention over 10,000 cycles of charge-discharge at 3.5 V.
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Affiliation(s)
- E Senokos
- IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, 28935, Madrid, Spain. and IMDEA Materials Institute, C/ Eric Kandel, 2, Getafe, 28906, Madrid, Spain.
| | - V Reguero
- IMDEA Materials Institute, C/ Eric Kandel, 2, Getafe, 28906, Madrid, Spain.
| | - J Palma
- IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, 28935, Madrid, Spain.
| | - J J Vilatela
- IMDEA Materials Institute, C/ Eric Kandel, 2, Getafe, 28906, Madrid, Spain.
| | - Rebeca Marcilla
- IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, 28935, Madrid, Spain.
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19
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Yang Z, Ren J, Zhang Z, Chen X, Guan G, Qiu L, Zhang Y, Peng H. Recent Advancement of Nanostructured Carbon for Energy Applications. Chem Rev 2015; 115:5159-223. [DOI: 10.1021/cr5006217] [Citation(s) in RCA: 625] [Impact Index Per Article: 69.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Zhibin Yang
- State Key Laboratory of Molecular
Engineering of Polymers, Collaborative Innovation Center of Polymers
and Polymer Composite Materials, Department of Macromolecular Science
and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Jing Ren
- State Key Laboratory of Molecular
Engineering of Polymers, Collaborative Innovation Center of Polymers
and Polymer Composite Materials, Department of Macromolecular Science
and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Zhitao Zhang
- State Key Laboratory of Molecular
Engineering of Polymers, Collaborative Innovation Center of Polymers
and Polymer Composite Materials, Department of Macromolecular Science
and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Xuli Chen
- State Key Laboratory of Molecular
Engineering of Polymers, Collaborative Innovation Center of Polymers
and Polymer Composite Materials, Department of Macromolecular Science
and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Guozhen Guan
- State Key Laboratory of Molecular
Engineering of Polymers, Collaborative Innovation Center of Polymers
and Polymer Composite Materials, Department of Macromolecular Science
and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Longbin Qiu
- State Key Laboratory of Molecular
Engineering of Polymers, Collaborative Innovation Center of Polymers
and Polymer Composite Materials, Department of Macromolecular Science
and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Ye Zhang
- State Key Laboratory of Molecular
Engineering of Polymers, Collaborative Innovation Center of Polymers
and Polymer Composite Materials, Department of Macromolecular Science
and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Huisheng Peng
- State Key Laboratory of Molecular
Engineering of Polymers, Collaborative Innovation Center of Polymers
and Polymer Composite Materials, Department of Macromolecular Science
and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
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20
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Hao F, Yao Y, Li Y, Tian C, Zhang X, Chen J. Synthesis of high-concentration B and N co-doped porous carbon polyhedra and their supercapacitive properties. RSC Adv 2015. [DOI: 10.1039/c5ra15249f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
High-concentration B and N co-doped porous carbon polyhedra were prepared and showed excellent supercapacitive properties.
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Affiliation(s)
- Fei Hao
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P.R. China
| | - Yue Yao
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P.R. China
| | - Yapeng Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P.R. China
| | - Chunxia Tian
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P.R. China
| | - Xiaohua Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P.R. China
| | - Jinhua Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P.R. China
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21
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Salunkhe RR, Lee YH, Chang KH, Li JM, Simon P, Tang J, Torad NL, Hu CC, Yamauchi Y. Nanoarchitectured graphene-based supercapacitors for next-generation energy-storage applications. Chemistry 2014; 20:13838-52. [PMID: 25251360 DOI: 10.1002/chem.201403649] [Citation(s) in RCA: 134] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Tremendous development in the field of portable electronics and hybrid electric vehicles has led to urgent and increasing demand in the field of high-energy storage devices. In recent years, many research efforts have been made for the development of more efficient energy-storage devices such as supercapacitors, batteries, and fuel cells. In particular, supercapacitors have great potential to meet the demands of both high energy density and power density in many advanced technologies. For the last half decade, graphene has attracted intense research interest for electrical double-layer capacitor (EDLC) applications. The unique electronic, thermal, mechanical, and chemical characteristics of graphene, along with the intrinsic benefits of a carbon material, make it a promising candidate for supercapacitor applications. This Review focuses on recent research developments in graphene-based supercapacitors, including doped graphene, activated graphene, graphene/metal oxide composites, graphene/polymer composites, and graphene-based asymmetric supercapacitors. The challenges and prospects of graphene-based supercapacitors are also discussed.
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Affiliation(s)
- Rahul R Salunkhe
- World Premier International (WPI), Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan); Laboratory of Electrochemistry and Advanced Materials, Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu 30013 (Taiwan)
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22
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Boukhalfa S, Gordon D, He L, Melnichenko YB, Nitta N, Magasinski A, Yushin G. In situ small angle neutron scattering revealing ion sorption in microporous carbon electrical double layer capacitors. ACS NANO 2014; 8:2495-2503. [PMID: 24547779 DOI: 10.1021/nn406077n] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Experimental studies showed the impact of the electrolyte solvents on both the ion transport and the specific capacitance of microporous carbons. However, the related structure-property relationships remain largely unclear and the reported results are inconsistent. The details of the interactions of the charged carbon pore walls with electrolyte ions and solvent molecules at a subnanometer scale are still largely unknown. Here for the first time we utilize in situ small angle neutron scattering (SANS) to reveal the electroadsorption of organic electrolyte ions in carbon pores of different sizes. A 1 M solution of tetraethylammonium tetrafluoroborate (TEATFB) salt in deuterated acetonitrile (d-AN) was used in an activated carbon with the pore size distribution similar to that of the carbons used in commercial double layer capacitors. In spite of the incomplete wetting of the smallest carbon pores by the d-AN, we observed enhanced ion sorption in subnanometer pores under the applied potential. Such results suggest the visible impact of electrowetting phenomena counterbalancing the high energy of the carbon/electrolyte interface in small pores. This behavior may explain the characteristic butterfly wing shape of the cyclic voltammetry curve that demonstrates higher specific capacitance at higher applied potentials, when the smallest pores become more accessible to electrolyte. Our study outlines a general methodology for studying various organic salts-solvent-carbon combinations.
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Affiliation(s)
- Sofiane Boukhalfa
- Department of Materials Science and Engineering, Georgia Institute of Technology , Atlanta, Georgia 30332, United States
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23
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Ji H, Zhao X, Qiao Z, Jung J, Zhu Y, Lu Y, Zhang LL, MacDonald AH, Ruoff RS. Capacitance of carbon-based electrical double-layer capacitors. Nat Commun 2014; 5:3317. [DOI: 10.1038/ncomms4317] [Citation(s) in RCA: 491] [Impact Index Per Article: 49.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2013] [Accepted: 01/27/2014] [Indexed: 12/22/2022] Open
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24
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Cui C, Qian W, Yu Y, Kong C, Yu B, Xiang L, Wei F. Highly Electroconductive Mesoporous Graphene Nanofibers and Their Capacitance Performance at 4 V. J Am Chem Soc 2014; 136:2256-9. [DOI: 10.1021/ja412219r] [Citation(s) in RCA: 179] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Chaojie Cui
- Beijing Key Laboratory of
Green Chemical Reaction Engineering and Technology, Department of
Chemical Engineering, Tsinghua University, Beijing 100084, P. R. China
| | - Weizhong Qian
- Beijing Key Laboratory of
Green Chemical Reaction Engineering and Technology, Department of
Chemical Engineering, Tsinghua University, Beijing 100084, P. R. China
| | - Yuntao Yu
- Beijing Key Laboratory of
Green Chemical Reaction Engineering and Technology, Department of
Chemical Engineering, Tsinghua University, Beijing 100084, P. R. China
| | - Chuiyan Kong
- Beijing Key Laboratory of
Green Chemical Reaction Engineering and Technology, Department of
Chemical Engineering, Tsinghua University, Beijing 100084, P. R. China
| | - Bo Yu
- Beijing Key Laboratory of
Green Chemical Reaction Engineering and Technology, Department of
Chemical Engineering, Tsinghua University, Beijing 100084, P. R. China
| | - Lan Xiang
- Beijing Key Laboratory of
Green Chemical Reaction Engineering and Technology, Department of
Chemical Engineering, Tsinghua University, Beijing 100084, P. R. China
| | - Fei Wei
- Beijing Key Laboratory of
Green Chemical Reaction Engineering and Technology, Department of
Chemical Engineering, Tsinghua University, Beijing 100084, P. R. China
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25
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Venhryn BY, Stotsko ZA, Grygorchak II, Bakhmatyuk BP, Mudry SI. The effect of ultrasonic and HNO3 treatment of activated carbon from fruit stones on capacitive and pseudocapacitive energy storage in electrochemical supercapacitors. ULTRASONICS SONOCHEMISTRY 2013; 20:1302-1307. [PMID: 23541908 DOI: 10.1016/j.ultsonch.2013.02.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2011] [Revised: 02/22/2013] [Accepted: 02/25/2013] [Indexed: 06/02/2023]
Abstract
The effect of ultrasonic treatment and modification with nitric acid of activated carbon obtained from fruit stones, on the parameters of electric double-layer (EDL) as well as on farad-volt characteristics of its boundary with electrolyte 7.6 m KОН, 4 m KI and 2 m ZnI2 aqueous solutions has been studied by means of precision porometry, cyclic voltamperometry, electrochemical impedance spectroscopy and computer simulation methods. It is shown that HNO3 treatment results in an increase of the electrostatic capacitance up to 202 F/g in 7.6 m KОН-solution as well as pseudocapacitance up to 1250 F/g in 4 m KI. This increase is supposed to be related both with hydrophilicity and with an increase of the density of states on Fermi level. The ultrasonic treatment enables one to significantly increase (more than 200 times) the density of states on Fermi level which in turn causes both quantitative and qualitative changes in farad-volt dependences. A hybrid supercapacitor with specific capacitance of 1100 F/g and specific energy of 49 Wh/kg per active mass of two electrodes was developed.
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Affiliation(s)
- B Ya Venhryn
- Lviv Polytechnic National University, 12 St. Bandera Street, Lviv 79013, Ukraine.
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26
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Kato H, Hees J, Hoffmann R, Wolfer M, Yang N, Yamasaki S, Nebel CE. Diamond foam electrodes for electrochemical applications. Electrochem commun 2013. [DOI: 10.1016/j.elecom.2013.04.028] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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27
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Lin Q, Li Q, Batchelor-McAuley C, Compton RG. Methyl Viologen Mediated Oxygen Reduction in Ethanol Solvent: the Electrocatalytic Reactivity of the Radical Cation. J ELECTROCHEM SCI TE 2013. [DOI: 10.5229/jecst.2013.4.2.71] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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28
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Lorrmann V, Reichenauer G, Weber C, Pflaum J. Electrochemical double-layer charging of ultramicroporous synthetic carbons in aqueous electrolytes. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2012.04.115] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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29
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Patten HV, Meadows KE, Hutton LA, Iacobini JG, Battistel D, McKelvey K, Colburn AW, Newton ME, Macpherson JV, Unwin PR. Electrochemical Mapping Reveals Direct Correlation between Heterogeneous Electron-Transfer Kinetics and Local Density of States in Diamond Electrodes. Angew Chem Int Ed Engl 2012; 51:7002-6. [DOI: 10.1002/anie.201203057] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Indexed: 11/05/2022]
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30
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Patten HV, Meadows KE, Hutton LA, Iacobini JG, Battistel D, McKelvey K, Colburn AW, Newton ME, Macpherson JV, Unwin PR. Electrochemical Mapping Reveals Direct Correlation between Heterogeneous Electron-Transfer Kinetics and Local Density of States in Diamond Electrodes. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201203057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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31
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32
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The electrochemistry of activated carbonaceous materials: past, present, and future. J Solid State Electrochem 2011. [DOI: 10.1007/s10008-011-1411-y] [Citation(s) in RCA: 109] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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33
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Izadi-Najafabadi A, Yamada T, Futaba DN, Yudasaka M, Takagi H, Hatori H, Iijima S, Hata K. High-power supercapacitor electrodes from single-walled carbon nanohorn/nanotube composite. ACS NANO 2011; 5:811-9. [PMID: 21210712 DOI: 10.1021/nn1017457] [Citation(s) in RCA: 124] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
A novel composite is presented as a supercapacitor electrode with a high maximum power rating (990 kW/kg; 396 kW/l) exceeding power performances of other electrodes. The high-power capability of the electrode stemmed from its unique meso-macro pore structure engineered through the utilization of single-walled carbon nanotubes (20 wt %) as scaffolding for single-walled carbon nanohorns (80 wt %). The novel composite electrode also exhibited durable operation (6.5% decline in capacitance over 100 000 cycles) as a result of its monolithic chemical composition and mechanical stability. The novel composite electrode was benchmarked against another high-power electrode made from single-walled carbon nanotubes (Bucky paper electrode). While the composite electrode had a lower surface area compared to the Bucky paper electrode (280 vs 470 m(2)/g from nitrogen adsorption), it had a higher meso-macro pore volume (2.6 vs 1.6 mL/g from mercury porosimetry) which enabled the composite electrode to retain more electrolyte, ensuring facile ion transport, hence achieving a higher maximum power rating (970 vs 400 kW/kg).
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Affiliation(s)
- Ali Izadi-Najafabadi
- Nanotube Research Center, Tsukuba, National Institute of Advanced Industrial Science and Technology, Tsukuba, 305-8565, Japan
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34
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Izadi-Najafabadi A, Yasuda S, Kobashi K, Yamada T, Futaba DN, Hatori H, Yumura M, Iijima S, Hata K. Extracting the full potential of single-walled carbon nanotubes as durable supercapacitor electrodes operable at 4 V with high power and energy density. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2010. [PMID: 20564700 DOI: 10.1002/adfm.200901927] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Affiliation(s)
- Ali Izadi-Najafabadi
- Nanotube Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
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35
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Izadi-Najafabadi A, Yasuda S, Kobashi K, Yamada T, Futaba DN, Hatori H, Yumura M, Iijima S, Hata K. Extracting the full potential of single-walled carbon nanotubes as durable supercapacitor electrodes operable at 4 V with high power and energy density. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2010; 22:E235-E241. [PMID: 20564700 DOI: 10.1002/adma.200904349] [Citation(s) in RCA: 248] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Affiliation(s)
- Ali Izadi-Najafabadi
- Nanotube Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
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36
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Yang M, Cheng B, Song H, Chen X. Preparation and electrochemical performance of polyaniline-based carbon nanotubes as electrode material for supercapacitor. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.06.077] [Citation(s) in RCA: 195] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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37
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38
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Bao D, Ramu S, Contreras A, Upadhyayula S, Vasquez JM, Beran G, Vullev VI. Electrochemical Reduction of Quinones: Interfacing Experiment and Theory for Defining Effective Radii of Redox Moieties. J Phys Chem B 2010; 114:14467-79. [DOI: 10.1021/jp101730e] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Duoduo Bao
- Department of Bioengineering, University of California, Riverside, California 92521, Center for Bioengineering Research, University of California, Riverside, California 92521, and Department of Chemistry, University of California, Riverside, California 92521
| | - Sangeetha Ramu
- Department of Bioengineering, University of California, Riverside, California 92521, Center for Bioengineering Research, University of California, Riverside, California 92521, and Department of Chemistry, University of California, Riverside, California 92521
| | - Antonio Contreras
- Department of Bioengineering, University of California, Riverside, California 92521, Center for Bioengineering Research, University of California, Riverside, California 92521, and Department of Chemistry, University of California, Riverside, California 92521
| | - Srigokul Upadhyayula
- Department of Bioengineering, University of California, Riverside, California 92521, Center for Bioengineering Research, University of California, Riverside, California 92521, and Department of Chemistry, University of California, Riverside, California 92521
| | - Jacob M. Vasquez
- Department of Bioengineering, University of California, Riverside, California 92521, Center for Bioengineering Research, University of California, Riverside, California 92521, and Department of Chemistry, University of California, Riverside, California 92521
| | - Gregory Beran
- Department of Bioengineering, University of California, Riverside, California 92521, Center for Bioengineering Research, University of California, Riverside, California 92521, and Department of Chemistry, University of California, Riverside, California 92521
| | - Valentine I. Vullev
- Department of Bioengineering, University of California, Riverside, California 92521, Center for Bioengineering Research, University of California, Riverside, California 92521, and Department of Chemistry, University of California, Riverside, California 92521
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39
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Aging of electrochemical double layer capacitors with acetonitrile-based electrolyte at elevated voltages. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.02.064] [Citation(s) in RCA: 142] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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40
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Bruno MM, Cotella NG, Miras MC, Barbero CA. A novel way to maintain resorcinol–formaldehyde porosity during drying: Stabilization of the sol–gel nanostructure using a cationic polyelectrolyte. Colloids Surf A Physicochem Eng Asp 2010. [DOI: 10.1016/j.colsurfa.2010.03.032] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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41
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Bruno M, Cotella N, Miras M, Koch T, Seidler S, Barbero C. Characterization of monolithic porous carbon prepared from resorcinol/formaldehyde gels with cationic surfactant. Colloids Surf A Physicochem Eng Asp 2010. [DOI: 10.1016/j.colsurfa.2010.01.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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42
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Ruch P, Cericola D, Foelske A, Kötz R, Wokaun A. A comparison of the aging of electrochemical double layer capacitors with acetonitrile and propylene carbonate-based electrolytes at elevated voltages. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2009.11.098] [Citation(s) in RCA: 104] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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43
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Kyotani T, Chmiola J, Gogotsi Y. Carbide-Derived Carbons and Templated Carbons. ADVANCED MATERIALS AND TECHNOLOGIES 2009. [DOI: 10.1201/9781420055405-c3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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44
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Levi MD, Salitra G, Levy N, Aurbach D, Maier J. Application of a quartz-crystal microbalance to measure ionic fluxes in microporous carbons for energy storage. NATURE MATERIALS 2009; 8:872-875. [PMID: 19838184 DOI: 10.1038/nmat2559] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2009] [Accepted: 09/21/2009] [Indexed: 05/28/2023]
Abstract
Fast ionic transport in microporous activated-carbon electrodes is a prerequisite for the effective energy storage in electrochemical supercapacitors. However, the quartz-crystal microbalance (QCM), a direct tool to measure ionic fluxes in electrochemical systems, has not yet been used for studying transport phenomena in activated carbons (except for an early report on carbon nanotubes). Conventional electroanalytical and suitable surface and structure-analysis techniques provide limited prognostic information on this matter. It has been demonstrated herein that the QCM response of typical microporous activated carbons can serve as a gravimetric probe of the concentration and compositional changes in their pore volume. This allowed direct monitoring of the ionic fluxes, which depended strongly on the electrode's point of zero change, pore width, ion size and cycling conditions (polarization amplitude, charge/discharge depth and so on). The information on the nature of ionic fluxes into activated carbons is critical for promoting improvements in the performance of electrochemical supercapacitors, membrane technologies and (electro/bio)chemical sensors.
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45
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Pust SE, Maier W, Wittstock G. Investigation of Localized Catalytic and Electrocatalytic Processes and Corrosion Reactions with Scanning Electrochemical Microscopy (SECM). ACTA ACUST UNITED AC 2009. [DOI: 10.1524/zpch.2008.5426] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
AbstractScanning electrochemical microscopy (SECM) has developed into a very versatile tool for the investigation of solid-liquid, liquid-liquid and liquid-gas interfaces. The arrangement of an ultramicroelectrode (UME) in close proximity to the interface under study allows the application of a large variety of different experimental schemes. The most important have been named feedback mode, generation-collection mode, redox competition mode and direct mode. Quantitative descriptions are available for the UME signal, depending on different sample properties and experimental variables. Therefore, SECM has been established as an indispensible tool in many areas of fundamental electrochemical research. Currently, it also spreads as an important new method to solve more applied problems, in which inhomogeneous current distributions are typically observed on different length scales. Prominent examples include devices for electrochemical energy conversion such as fuel cells and batteries as well as localized corrosion phenomena. However, the direct local investigation of such systems is often impossible. Instead, suitable reaction schemes, sample environments, model samples and even new operation modes have to be introduced in order to obtain results that are relevant to the practical application. This review outlines and compares the theoretical basis of the different SECM working modes and reviews the application in the area of electrochemical energy conversion and localized corrosion with a special emphasis on the problems encountered when working with practical samples.
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Electrochemical characterization of single-walled carbon nanotubes for electrochemical double layer capacitors using non-aqueous electrolyte. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.03.022] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Yu N, Gao L, Zhao S, Wang Z. Electrodeposited PbO2 thin film as positive electrode in PbO2/AC hybrid capacitor. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.01.086] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Kosmulski M, Próchniak P, Saneluta C. Quantitative assessment of hysteresis in voltammetric curves of electrochemical capacitors. ADSORPTION 2009. [DOI: 10.1007/s10450-009-9169-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Capacitor Properties and Pore Structure of Single- and Double-Walled Carbon Nanotubes. ACTA ACUST UNITED AC 2009. [DOI: 10.1149/1.3059010] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Pollak E, Levy N, Eliad L, Salitra G, Soffer A, Aurbach D. Review on Engineering and Characterization of Activated Carbon Electrodes for Electrochemical Double Layer Capacitors and Separation Processes. Isr J Chem 2008. [DOI: 10.1560/ijc.48.3-4.287] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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