51
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Chang Y, Deng L, Meng X, Zhang W, Wang C, Wang Y, Zhao S, Lin L, Crittenden JC. Closed-Loop Electrochemical Recycling of Spent Copper(II) from Etchant Wastewater Using a Carbon Nanotube Modified Graphite Felt Anode. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:5940-5948. [PMID: 29660978 DOI: 10.1021/acs.est.7b06298] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Developing effective technologies for treatment of spent etchant in printed circuit boards industries is of paramount for sustainable copper reuse and reducing copper discharge. We developed a novel closed-loop electrochemical cell for on-site regeneration of spent acidic cupric chloride etchant. It does not have any emissions and recycles all the copper using a three-dimensional graphite felt anode decorated with carbon nanotube (CNT/GF). The CNT/GF anode oxidizes Cu(I) to Cu(II) so that the spent cuprous chloride can be converted to cupric chloride and reused. The decorated CNT layer with abundant oxygen-containing functional groups significantly enhanced the electrocatalytic activity for Cu(II)/Cu(I) redox. The CuCl32- is oxidized to CuCl+ at the anode and the CuCl+ is reduced to Cu(0) at the cathode. The closed-loop cycle system converts the catholyte into the anolyte. On average, the energy consumption of Cu(I) oxidation by CNT/GF is decreased by 12%, comparing to that by untreated graphite felt. The oxidation rate of Cu(I) is determined by the current density, and there is no delay for the mass transport of Cu(I). This study highlights the outstanding electrocatalytic performance, the rapid mass-transfer kinetics, and the excellent stability of the CNT/GF electrode, and provides an energy-efficient and zero-emission strategy for the regeneration of etchant waste.
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Affiliation(s)
- Yan Chang
- State Key Laboratory of Chemical Engineering, Co-Innovation Center of Chemical Science and Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology and School of Chemical Engineering and Technology , Tianjin University , Tianjin 300350 , China
| | - Lin Deng
- Brook Byer Institute for Sustainable Systems and School of Civil and Environmental Engineering , Georgia Institute of Technology , Atlanta , Georgia 30332 , United States
- Key Laboratory of Building Safety and Energy Efficiency and Department of Water Engineering and Science, College of Civil Engineering , Hunan University , Changsha 410082 , China
| | - Xiaoyang Meng
- Brook Byer Institute for Sustainable Systems and School of Civil and Environmental Engineering , Georgia Institute of Technology , Atlanta , Georgia 30332 , United States
| | - Wen Zhang
- State Key Laboratory of Chemical Engineering, Co-Innovation Center of Chemical Science and Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology and School of Chemical Engineering and Technology , Tianjin University , Tianjin 300350 , China
- Brook Byer Institute for Sustainable Systems and School of Civil and Environmental Engineering , Georgia Institute of Technology , Atlanta , Georgia 30332 , United States
| | - Chunzhen Wang
- State Key Laboratory of Chemical Engineering, Co-Innovation Center of Chemical Science and Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology and School of Chemical Engineering and Technology , Tianjin University , Tianjin 300350 , China
| | - Yuxin Wang
- State Key Laboratory of Chemical Engineering, Co-Innovation Center of Chemical Science and Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology and School of Chemical Engineering and Technology , Tianjin University , Tianjin 300350 , China
| | - Song Zhao
- State Key Laboratory of Chemical Engineering, Co-Innovation Center of Chemical Science and Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology and School of Chemical Engineering and Technology , Tianjin University , Tianjin 300350 , China
| | - Li Lin
- Brook Byer Institute for Sustainable Systems and School of Civil and Environmental Engineering , Georgia Institute of Technology , Atlanta , Georgia 30332 , United States
- Basin Water Environmental Research Department , Changjiang River Scientific Research Institute , Wuhan 430010 , China
| | - John C Crittenden
- Brook Byer Institute for Sustainable Systems and School of Civil and Environmental Engineering , Georgia Institute of Technology , Atlanta , Georgia 30332 , United States
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52
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Ma Q, Deng Q, Sheng H, Ling W, Wang HR, Jiao HW, Wu XW, Zhou WX, Zeng XX, Yin YX, Guo YG. High electro-catalytic graphite felt/MnO2 composite electrodes for vanadium redox flow batteries. Sci China Chem 2018. [DOI: 10.1007/s11426-017-9235-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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53
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Lee ME, Lee S, Jin HJ, Yun YS. Standalone macroporous graphitic nanowebs for vanadium redox flow batteries. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2017.09.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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54
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Lv Z, Zhang J, Lv Y, Cheng Y, Jiang SP, Xiang Y, Lu S. The electrocatalytic characterization and mechanism of carbon nanotubes with different numbers of walls for the VO 2+/VO 2+ redox couple. Phys Chem Chem Phys 2018; 20:7791-7797. [PMID: 29503996 DOI: 10.1039/c7cp08683k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbon nanotubes (CNTs) have been applied as catalysts in the VO2+/VO2+ redox, whereas the mechanism of CNTs for the redox reaction is still unclear. In this work, the mechanism of the VO2+/VO2+ redox is investigated by comparing the electrocatalytic performance of CNTs with different distributions. For different CNTs, the peak current density of the VO2+/VO2+ redox increases with increasing content of oxygen-functional groups on the surface of CNTs, especially the carboxyl group which is proved as active sites for the redox reaction. Moreover, the reversibility of the VO2+/VO2+ redox decreases with increasing defects of CNTs, as the defects affect the charge transfer of the catalytic reaction. Nevertheless, when a multi-walled CNT sample is oxidized to achieve a high content of oxygen functional groups and defects, the peak current density of the redox reaction increases from 38.5 mA mg-1 to 45.4 mA mg-1 whilst the peak potential separation (ΔEp) also increases from 0.176 V to 0.209 V. Overall, a balance between the oxygen functional groups and the defects of CNTs affects the peak current and the reversibility for the VO2+/VO2+ redox.
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Affiliation(s)
- Zhaoqian Lv
- Beijing Key Laboratory of Bio-inspired Materials and Devices & School of Space and Environment, Beihang University, Beijing, 100191, China.
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55
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Shah A, Zhou X, Brezovec P, Markiewicz D, Joo YL. Conductive Membrane Coatings for High-Rate Vanadium Redox Flow Batteries. ACS OMEGA 2018; 3:1856-1863. [PMID: 31458498 PMCID: PMC6641516 DOI: 10.1021/acsomega.7b01787] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 01/30/2018] [Indexed: 06/10/2023]
Abstract
A conductive coating of carbon nanotubes (CNTs) and Nafion dispersion in water was deposited on a Nafion membrane via air-controlled electrospray. When the coated membrane was assembled into a large single cell of a vanadium redox flow battery (VRB) with a surface area of 35 cm2, it was found that its cycling performance was greatly enhanced at much higher current densities than was afforded by the pristine Nafion membrane. A masking technique was also applied during the electrospraying process to create alternating domains of coated and uncoated membrane surfaces, which helped to mitigate the restriction of proton transport through the membrane due to the coating, while still decreasing the surface resistivity and thus the interfacial resistance of the membrane. Our results reveal that a very small mass of CNTs (∼0.015 mg CNT/cm2) enabled large improvements in the capacity retention and voltaic efficiencies of the vanadium redox battery during charging and discharging. This method has shown to be a reasonably fast, simple, and scalable technique for improving rate capability of VRBs, with the potential for extension to other redox flow battery systems.
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Affiliation(s)
- Andrew
B. Shah
- Robert
Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, USA
| | - Xuechen Zhou
- Robert
Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, USA
| | - Paul Brezovec
- Concurrent
Technologies Corporation, 100 CTC Drive, Johnstown, Pennsylvania 15904-1935, USA
| | - Dan Markiewicz
- Concurrent
Technologies Corporation, 100 CTC Drive, Johnstown, Pennsylvania 15904-1935, USA
| | - Yong Lak Joo
- Robert
Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, USA
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56
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Kabtamu DM, Lin GY, Chang YC, Chen HY, Huang HC, Hsu NY, Chou YS, Wei HJ, Wang CH. The effect of adding Bi3+ on the performance of a newly developed iron–copper redox flow battery. RSC Adv 2018; 8:8537-8543. [PMID: 35539857 PMCID: PMC9078536 DOI: 10.1039/c7ra12926b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 02/10/2018] [Indexed: 11/21/2022] Open
Abstract
In this paper, we propose a new, abundant, cost-effective, non-toxic, and environmentally benign iron–copper redox flow battery (Fe/Cu RFB), which employs Fe2+/Fe3+ and Cu+/Cu0 as the positive and negative electrolytes, respectively. The effect of graphite felt (GF) electrode modification and addition of Bi3+ into the electrolytes on the performance of the Fe/Cu RFB were investigated. It was found that the cell containing Bi3+ in the electrolytes revealed higher coulombic efficiency (89.18%) and energy efficiency (35.24%) than the cell without Bi3+ (CE = 84.10% and EE = 34.43%) at 20 mA cm−2. This is because after adding Bi3+, Cu metal precipitation was not observed on the electrode surface, which indicates that the deposition process was potentially reversible on the electrode material, thus leading to enhanced performance of the battery. Furthermore, the efficiencies of the battery are stable over 10 cycles, which demonstrates that Fe/Cu RFB exhibits good stability on the microwave heat treated GF plus one layer microwave heat treated carbon paper (HT-GF + HT-CP) electrode after adding Bi3+ into the electrolytes. In this paper, we propose a new, abundant, cost-effective, non-toxic, and environmentally benign iron–copper redox flow battery (Fe/Cu RFB), which employs Fe2+/Fe3+ and Cu+/Cu0 as the positive and negative electrolytes, respectively.![]()
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Affiliation(s)
- Daniel Manaye Kabtamu
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Guan-Yi Lin
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Yu-Chung Chang
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Hsueh-Yu Chen
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Hsin-Chih Huang
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Ning-Yih Hsu
- Institute of Nuclear Energy Research
- Atomic Energy Council
- Executive Yuan
- Taoyuan
- Taiwan
| | - Yi-Sin Chou
- Institute of Nuclear Energy Research
- Atomic Energy Council
- Executive Yuan
- Taoyuan
- Taiwan
| | - Hwa-Jou Wei
- Institute of Nuclear Energy Research
- Atomic Energy Council
- Executive Yuan
- Taoyuan
- Taiwan
| | - Chen-Hao Wang
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
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57
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He Z, Jiang Y, Wei Y, Zhao C, Jiang F, Li L, Zhou H, Meng W, Wang L, Dai L. N,P co-doped carbon microsphere as superior electrocatalyst for VO2+/VO2+ redox reaction. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2017.10.169] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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58
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Lv Y, Zhang J, Lv Z, Wu C, Liu Y, Wang H, Lu S, Xiang Y. Enhanced electrochemical activity of carbon felt for V2+/V3+ redox reaction via combining KOH-etched pretreatment with uniform deposition of Bi nanoparticles. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.09.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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59
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Zhang Z, Zhao T, Bai B, Zeng L, Wei L. A highly active biomass-derived electrode for all vanadium redox flow batteries. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.07.129] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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60
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Zhang H, Tan Y, Li J, Xue B. Studies on properties of rayon- and polyacrylonitrile-based graphite felt electrodes affecting Fe/Cr redox flow battery performance. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.08.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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61
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Kim J, Lim H, Jyoung JY, Lee ES, Yi JS, Lee D. Effects of Doping Methods and Kinetic Relevance of N and O Atomic Co-Functionalization on Carbon Electrode for V(IV)/V(V) Redox Reactions in Vanadium Redox Flow Battery. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.06.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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62
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Schweiss R, Meiser C, Goh FWT. Steady-State Measurements of Vanadium Redox-Flow Batteries to Study Particular Influences of Carbon Felt Properties. ChemElectroChem 2017. [DOI: 10.1002/celc.201700280] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ruediger Schweiss
- SGL Carbon GmbH; Werner-von-Siemensstrasse 18 86405 Meitingen Germany
| | - Christian Meiser
- SGL Carbon GmbH; Werner-von-Siemensstrasse 18 86405 Meitingen Germany
| | - Fu Wei Thomas Goh
- SGL Carbon GmbH; Werner-von-Siemensstrasse 18 86405 Meitingen Germany
- German Institute of Science and Technology (GIST) - TUM Asia Pte Ltd; 510 Dover Road, #05-01 Singapore 139660
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63
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Vázquez-Galván J, Flox C, Fàbrega C, Ventosa E, Parra A, Andreu T, Morante JR. Hydrogen-Treated Rutile TiO 2 Shell in Graphite-Core Structure as a Negative Electrode for High-Performance Vanadium Redox Flow Batteries. CHEMSUSCHEM 2017; 10:2089-2098. [PMID: 28247981 DOI: 10.1002/cssc.201700017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 02/16/2017] [Indexed: 06/06/2023]
Abstract
Hydrogen-treated TiO2 as an electrocatalyst has shown to boost the capacity of high-performance all-vanadium redox flow batteries (VRFBs) as a simple and eco-friendly strategy. The graphite felt-based GF@TiO2 :H electrode is able to inhibit the hydrogen evolution reaction (HER), which is a critical barrier for operating at high rate for long-term cycling in VRFBs. Significant improvements in charge/discharge and electron-transfer processes for the V3+ /V2+ reaction on the surface of reduced TiO2 were achieved as a consequence of the formation of oxygen functional groups and oxygen vacancies in the lattice structure. Key performance indicators of VRFB have been improved, such as high capability rates and electrolyte-utilization ratios (82 % at 200 mA cm-2 ). Additionally, high coulombic efficiencies (ca. 100 % up to the 96th cycle, afterwards >97 %) were obtained, demonstrating the feasibility of achieving long-term stability.
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Affiliation(s)
- Javier Vázquez-Galván
- IREC, Catalonia Institute for Energy Research, Jardins de les Dones de Negre, 1, 08930, Sant Adrià del Besos, Spain
| | - Cristina Flox
- IREC, Catalonia Institute for Energy Research, Jardins de les Dones de Negre, 1, 08930, Sant Adrià del Besos, Spain
| | - Cristian Fàbrega
- IREC, Catalonia Institute for Energy Research, Jardins de les Dones de Negre, 1, 08930, Sant Adrià del Besos, Spain
- Current address: Dept. Enginyieries: Electronica, Universitat de Barcelona, C. de Martí I Franquès, 1, 08028, Barcelona, Spain
| | - Edgar Ventosa
- IREC, Catalonia Institute for Energy Research, Jardins de les Dones de Negre, 1, 08930, Sant Adrià del Besos, Spain
- Current address: IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, Madrid, Spain
| | - Andres Parra
- IREC, Catalonia Institute for Energy Research, Jardins de les Dones de Negre, 1, 08930, Sant Adrià del Besos, Spain
| | - Teresa Andreu
- IREC, Catalonia Institute for Energy Research, Jardins de les Dones de Negre, 1, 08930, Sant Adrià del Besos, Spain
| | - Joan Ramón Morante
- IREC, Catalonia Institute for Energy Research, Jardins de les Dones de Negre, 1, 08930, Sant Adrià del Besos, Spain
- Dept. Enginyieries: Electronica, Universitat de Barcelona, C. de Martí I Franquès, 1, 08028, Barcelona, Spain
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64
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Fabrication of Freestanding Sheets of Multiwalled Carbon Nanotubes (Buckypapers) for Vanadium Redox Flow Batteries and Effects of Fabrication Variables on Electrochemical Performance. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.01.186] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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65
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Moghim MH, Eqra R, Babaiee M, Zarei-Jelyani M, Loghavi MM. Role of reduced graphene oxide as nano-electrocatalyst in carbon felt electrode of vanadium redox flow battery. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.02.031] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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66
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Wu XW, Xie H, Deng Q, Wang HX, Sheng H, Yin YX, Zhou WX, Li RL, Guo YG. Three-Dimensional Carbon Nanotubes Forest/Carbon Cloth as an Efficient Electrode for Lithium-Polysulfide Batteries. ACS APPLIED MATERIALS & INTERFACES 2017; 9:1553-1561. [PMID: 27997793 DOI: 10.1021/acsami.6b14687] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The development of a three-dimensionally flexible, large-surface area, high-conductivity electrode is important to improve the low conductivity and utilization of active materials and restrict the shuttle of long-chain polysulfides in Li-polysulfide batteries. Herein, we constructed an integrated three-dimensional carbon nanotube forest/carbon cloth electrode with heteroatom doping and high electrical conductivity. The as-constructed electrode provides strong trapping on the polysulfide species and fast charge transfer. Therefore, the Li-polysulfide batteries with as-constructed electrodes achieved high specific capacities of ∼1200 and ∼800 mA h g-1 at 0.1 and 1 C, respectively. After 300 cycles at 0.5 C, a specific capacity of 623 mA h g-1 was retained.
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Affiliation(s)
- Xiong-Wei Wu
- College of Science, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanica, College of Agronomy, Hunan Agricultural University , Changsha 410128, People's Republic of China
- CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS) , Beijing 100190, People's Republic of China
- Hunan Province YinFeng New Energy Company Ltd. , Changsha 410000, People's Republic of China
| | - Hao Xie
- College of Science, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanica, College of Agronomy, Hunan Agricultural University , Changsha 410128, People's Republic of China
- CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS) , Beijing 100190, People's Republic of China
| | - Qi Deng
- College of Science, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanica, College of Agronomy, Hunan Agricultural University , Changsha 410128, People's Republic of China
- CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS) , Beijing 100190, People's Republic of China
| | - Hui-Xian Wang
- College of Science, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanica, College of Agronomy, Hunan Agricultural University , Changsha 410128, People's Republic of China
| | - Hang Sheng
- College of Science, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanica, College of Agronomy, Hunan Agricultural University , Changsha 410128, People's Republic of China
| | - Ya-Xia Yin
- CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS) , Beijing 100190, People's Republic of China
| | - Wen-Xin Zhou
- College of Science, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanica, College of Agronomy, Hunan Agricultural University , Changsha 410128, People's Republic of China
| | - Rui-Lian Li
- College of Science, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanica, College of Agronomy, Hunan Agricultural University , Changsha 410128, People's Republic of China
| | - Yu-Guo Guo
- CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS) , Beijing 100190, People's Republic of China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, People's Republic of China
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67
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Zhou Y, Liu L, Shen Y, Wu L, Yu L, Liang F, Xi J. Carbon dots promoted vanadium flow batteries for all-climate energy storage. Chem Commun (Camb) 2017. [DOI: 10.1039/c7cc00691h] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
VFB with a CDs@GF electrode exhibits outstanding rate performance, superior cycling stability, and broad temperature adaptability from −20 to 60 °C.
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Affiliation(s)
- Ying Zhou
- Institute of Green Chemistry and Energy
- Graduate School at Shenzhen
- Tsinghua University
- Shenzhen 518055
- China
| | - Le Liu
- Institute of Green Chemistry and Energy
- Graduate School at Shenzhen
- Tsinghua University
- Shenzhen 518055
- China
| | - Yi Shen
- School of Food Science and Technology
- South China University of Technology
- Guangzhou 510640
- China
| | - Lantao Wu
- Institute of Green Chemistry and Energy
- Graduate School at Shenzhen
- Tsinghua University
- Shenzhen 518055
- China
| | - Lihong Yu
- School of Applied Chemistry and Biological Technology
- Shenzhen Polytechnic
- Shenzhen 518055
- China
| | - Feng Liang
- The State Key Laboratory for Refractories and Metallurgy
- School of Chemistry and Chemical Engineering
- Wuhan University of Science and Technology
- Wuhan 430081
- China
| | - Jingyu Xi
- Institute of Green Chemistry and Energy
- Graduate School at Shenzhen
- Tsinghua University
- Shenzhen 518055
- China
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68
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Lee ME, Jin HJ, Yun YS. Synergistic catalytic effects of oxygen and nitrogen functional groups on active carbon electrodes for all-vanadium redox flow batteries. RSC Adv 2017. [DOI: 10.1039/c7ra08334c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Thin pyroprotein coating layers containing numerous oxygen and nitrogen heteroatoms were introduced on the surface of CFs (P-CFs), and their catalytic effects on the redox reaction of V2+/V3+ couples for VRFBs were investigated.
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Affiliation(s)
- Min Eui Lee
- WCSL (World Class Smart Lab) of Green Battery Lab
- Department of Polymer Science and Engineering
- Inha University
- Incheon 22212
- South Korea
| | - Hyoung-Joon Jin
- WCSL (World Class Smart Lab) of Green Battery Lab
- Department of Polymer Science and Engineering
- Inha University
- Incheon 22212
- South Korea
| | - Young Soo Yun
- Department of Chemical Engineering
- Kangwon National University
- Samcheok 25913
- South Korea
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69
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Chakrabarti B, Nir D, Yufit V, Tariq F, Rubio-Garcia J, Maher R, Kucernak A, Aravind P, Brandon N. Performance Enhancement of Reduced Graphene Oxide-Modified Carbon Electrodes for Vanadium Redox-Flow Systems. ChemElectroChem 2016. [DOI: 10.1002/celc.201600402] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Barun Chakrabarti
- Department of Earth Science & Engineering; Imperial College London, South Kensington; London SW7 2AZ UK
| | - Dan Nir
- Process & Energy Department; Delft University of Technology; Leeghwaterstraat 39 2628 CB Delft The Netherlands
| | - Vladimir Yufit
- Department of Earth Science & Engineering; Imperial College London, South Kensington; London SW7 2AZ UK
| | - Farid Tariq
- Department of Earth Science & Engineering; Imperial College London, South Kensington; London SW7 2AZ UK
| | - J. Rubio-Garcia
- Department of Chemistry; Imperial College London, South Kensington; London SW7 2AZ UK
| | - Robert Maher
- The Blackett Laboratory; Imperial College London, South Kensington; London SW7 2AZ UK
| | - Anthony Kucernak
- Department of Chemistry; Imperial College London, South Kensington; London SW7 2AZ UK
| | - P.V. Aravind
- Process & Energy Department; Delft University of Technology; Leeghwaterstraat 39 2628 CB Delft The Netherlands
| | - Nigel Brandon
- Department of Earth Science & Engineering; Imperial College London, South Kensington; London SW7 2AZ UK
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70
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Jing M, Zhang X, Fan X, Zhao L, Liu J, Yan C. CeO 2 embedded electrospun carbon nanofibers as the advanced electrode with high effective surface area for vanadium flow battery. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.08.095] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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71
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Wu X, Yuan X, Wang Z, Liu J, Hu Y, Deng Q, Yin X, Zhou Q, Zhou W, Wu Y. Electrochemical performance of 5 kW all-vanadium redox flow battery stack with a flow frame of multi-distribution channels. J Solid State Electrochem 2016. [DOI: 10.1007/s10008-016-3361-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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72
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Yao Y, Chen H, Lian C, Wei F, Zhang D, Wu G, Chen B, Wang S. Fe, Co, Ni nanocrystals encapsulated in nitrogen-doped carbon nanotubes as Fenton-like catalysts for organic pollutant removal. JOURNAL OF HAZARDOUS MATERIALS 2016; 314:129-139. [PMID: 27111426 DOI: 10.1016/j.jhazmat.2016.03.089] [Citation(s) in RCA: 157] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Revised: 03/17/2016] [Accepted: 03/30/2016] [Indexed: 05/24/2023]
Abstract
Magnetic metal M (M=Fe, Co, Ni) nanocrystals encapsulated in nitrogen-doped carbon nanotubes (M@N-C) were fabricated conveniently using dicyandiamide as a C/N precursor, and exhibited varying activities toward Fenton-like reaction. The surface morphology and structure of the M@N-C catalysts were characterized and an efficient catalytic degradation performance, high stability, and excellent reusability were observed. In addition, several operational factors, such as initial dye concentration, oxidant type (peroxymonosulfate, peroxydisulfate and H2O2) and dosage, reaction temperature, and dye type as well as stability of the composite were extensively evaluated in view of the practical applications. The results showed that various transition metals M significantly affected the structures and performances of the catalysts, and specially, their activity followed the order of Co>Fe>Ni in the presence of peroxymonosulfate. Moreover, HO and SO4(-) radicals participating in the process were evidenced using quenching experiments, and a rational mechanism was proposed based on a non-radical process and the free radical process. Control experiments revealed that the enhanced active sites were mainly ascribed to the synergistic effects between the metal nanocrystals and nitrogen-doped carbon. The findings of this study elucidated that encapsulation of nanocrystals in nitrogen-doped carbon nanotubes was an effective strategy to enhance the overall catalytic activity.
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Affiliation(s)
- Yunjin Yao
- Anhui Key Lab. of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei 230009, China; School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, China.
| | - Hao Chen
- Anhui Key Lab. of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei 230009, China
| | - Chao Lian
- Anhui Key Lab. of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei 230009, China
| | - Fengyu Wei
- Anhui Key Lab. of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei 230009, China
| | - Dawei Zhang
- Anhui Key Lab. of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei 230009, China
| | - Guodong Wu
- Anhui Key Lab. of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei 230009, China
| | - Benjin Chen
- Anhui Key Lab. of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei 230009, China
| | - Shaobin Wang
- Department of Chemical Engineering, Curtin University, G.P.O. Box U1987, Perth, Western Australia 6845, Australia.
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73
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Zhou H, Shen Y, Xi J, Qiu X, Chen L. ZrO2-Nanoparticle-Modified Graphite Felt: Bifunctional Effects on Vanadium Flow Batteries. ACS APPLIED MATERIALS & INTERFACES 2016; 8:15369-78. [PMID: 27229444 DOI: 10.1021/acsami.6b03761] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
To improve the electrochemical performance of graphite felt (GF) electrodes in vanadium flow batteries (VFBs), we synthesize a series of ZrO2-modified GF (ZrO2/GF) electrodes with varying ZrO2 contents via a facile immersion-precipitation approach. It is found that the uniform immobilization of ZrO2 nanoparticles on the GF not only significantly promotes the accessibility of vanadium electrolyte, but also provides more active sites for the redox reactions, thereby resulting in better electrochemical activity and reversibility toward the VO(2+)/VO2(+) and V(2+)/V(3+) redox reactions as compared with those of GF. In particular, The ZrO2/GF composite with 0.3 wt % ZrO2 displays the best electrochemical performance with voltage and energy efficiencies of 71.9% and 67.4%, respectively, which are much higher than those of 57.3% and 53.8% as obtained from the GF electrode at 200 mA cm(-2). The cycle life tests demonstrate that the ZrO2/GF electrodes exhibit outstanding stability. The ZrO2/GF-based VFB battery shows negligible activity decay after 200 cycles.
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Affiliation(s)
- Haipeng Zhou
- Institute of Green Chemistry and Energy, Graduate School at Shenzhen, Tsinghua University , Shenzhen 518055, China
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, China
| | - Yi Shen
- College of Light Industry and Food Sciences, South China University of Technology , Guangzhou 510640, China
| | - Jingyu Xi
- Institute of Green Chemistry and Energy, Graduate School at Shenzhen, Tsinghua University , Shenzhen 518055, China
| | - Xinping Qiu
- Institute of Green Chemistry and Energy, Graduate School at Shenzhen, Tsinghua University , Shenzhen 518055, China
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, China
| | - Liquan Chen
- Institute of Green Chemistry and Energy, Graduate School at Shenzhen, Tsinghua University , Shenzhen 518055, China
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences , Beijing 100084, China
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74
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Li W, Zhang Z, Tang Y, Bian H, Ng TW, Zhang W, Lee CS. Graphene-Nanowall-Decorated Carbon Felt with Excellent Electrochemical Activity Toward VO 2+/VO 2+ Couple for All Vanadium Redox Flow Battery. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2016; 3:1500276. [PMID: 27774399 PMCID: PMC5064734 DOI: 10.1002/advs.201500276] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 10/15/2015] [Indexed: 05/19/2023]
Abstract
3D graphene-nanowall-decorated carbon felts (CF) are synthesized via an in situ microwave plasma enhanced chemical vapor deposition method and used as positive electrode for vanadium redox flow battery (VRFB). The carbon fibers in CF are successfully wrapped by vertically grown graphene nanowalls, which not only increase the electrode specific area, but also expose a high density of sharp graphene edges with good catalytic activities to the vanadium ions. As a result, the VRFB with this novel electrode shows three times higher reaction rate toward VO2+/VO2+ redox couple and 11% increased energy efficiency over VRFB with an unmodified CF electrode. Moreover, this designed architecture shows excellent stability in the battery operation. After 100 charging-discharging cycles, the electrode not only shows no observable morphology change, it can also be reused in another battery and practical with the same performance. It is believed that this novel structure including the synthesis procedure will provide a new developing direction for the VRFB electrode.
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Affiliation(s)
- Wenyue Li
- Functional Thin Films Research Centre Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Shenzhen 518055 P. R. China; Department of Physics and Materials Science Center of Super-Diamond and Advanced Films (COSDAF)The City University of Hong Kong Hong Kong SARP. R. China
| | - Zhenyu Zhang
- Department of Physics and Materials Science Center of Super-Diamond and Advanced Films (COSDAF) The City University of Hong Kong Hong Kong SAR P. R. China
| | - Yongbing Tang
- Functional Thin Films Research Centre Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Shenzhen 518055 P. R. China
| | - Haidong Bian
- Department of Physics and Materials Science Center of Super-Diamond and Advanced Films (COSDAF) The City University of Hong Kong Hong Kong SAR P. R. China
| | - Tsz-Wai Ng
- Department of Physics and Materials Science Center of Super-Diamond and Advanced Films (COSDAF) The City University of Hong Kong Hong Kong SAR P. R. China
| | - Wenjun Zhang
- Department of Physics and Materials Science Center of Super-Diamond and Advanced Films (COSDAF) The City University of Hong Kong Hong Kong SAR P. R. China
| | - Chun-Sing Lee
- Department of Physics and Materials Science Center of Super-Diamond and Advanced Films (COSDAF) The City University of Hong Kong Hong Kong SAR P. R. China
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75
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Chang YC, Shih YC, Chen JY, Lin GY, Hsu NY, Chou YS, Wang CH. High efficiency of bamboo-like carbon nanotubes on functionalized graphite felt as electrode in vanadium redox flow battery. RSC Adv 2016. [DOI: 10.1039/c6ra22035e] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
B-CNT/TA-GF has high efficiency and good stability for VRFB application.
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Affiliation(s)
- Yu-Chung Chang
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Yu-Chen Shih
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Jian-Yu Chen
- Institute of Nuclear Energy Research
- Atomic Energy Council
- Executive Yuan
- Taoyuan
- Taiwan
| | - Guan-Yi Lin
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Ning-Yih Hsu
- Institute of Nuclear Energy Research
- Atomic Energy Council
- Executive Yuan
- Taoyuan
- Taiwan
| | - Yi-Sin Chou
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Chen-Hao Wang
- Department of Materials Science and Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
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76
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Huang Y, Huo J, Dou S, Hu K, Wang S. Graphitic C3N4as a powerful catalyst for all-vanadium redox flow batteries. RSC Adv 2016. [DOI: 10.1039/c6ra11381h] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel carbon felt electrode modified with carbon nitride (C3N4) has been developed to improve the electrochemical performance with a VO2+/VO2+redox pair.
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Affiliation(s)
- Yuqing Huang
- State Key Laboratory of Chem/Bio-Sensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- China
| | - Jia Huo
- State Key Laboratory of Chem/Bio-Sensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- China
| | - Shuo Dou
- State Key Laboratory of Chem/Bio-Sensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- China
| | - Kui Hu
- State Key Laboratory of Chem/Bio-Sensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- China
| | - Shuangyin Wang
- State Key Laboratory of Chem/Bio-Sensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- China
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77
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Shao Y, Cheng Y, Duan W, Wang W, Lin Y, Wang Y, Liu J. Nanostructured Electrocatalysts for PEM Fuel Cells and Redox Flow Batteries: A Selected Review. ACS Catal 2015. [DOI: 10.1021/acscatal.5b01737] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yuyan Shao
- Pacific Northwest
National Laboratory, Richland, Washington 99352, United States
| | - Yingwen Cheng
- Pacific Northwest
National Laboratory, Richland, Washington 99352, United States
| | - Wentao Duan
- Pacific Northwest
National Laboratory, Richland, Washington 99352, United States
| | - Wei Wang
- Pacific Northwest
National Laboratory, Richland, Washington 99352, United States
| | - Yuehe Lin
- School
of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164-2920, United States
| | - Yong Wang
- Pacific Northwest
National Laboratory, Richland, Washington 99352, United States
- Voiland
School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99163, United States
| | - Jun Liu
- Pacific Northwest
National Laboratory, Richland, Washington 99352, United States
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78
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Shi L, Liu S, He Z, Yuan H, Shen J. Synthesis of boron and nitrogen co-doped carbon nanofiber as efficient metal-free electrocatalyst for the VO 2+ /VO 2 + Redox Reaction. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.08.026] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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79
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Zheng YR, Gao MR, Yu ZY, Gao Q, Gao HL, Yu SH. Cobalt diselenide nanobelts grafted on carbon fiber felt: an efficient and robust 3D cathode for hydrogen production. Chem Sci 2015; 6:4594-4598. [PMID: 28717476 PMCID: PMC5500851 DOI: 10.1039/c5sc01335f] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 05/18/2015] [Indexed: 12/22/2022] Open
Abstract
Design and fabrication of low-cost, highly efficient and robust three-dimensional (3D) hierarchical structure materials for electrochemical reduction of water to make molecular hydrogen is of paramount importance for real water splitting applications. Herein, a 3D hydrogen evolution cathode constructed by in situ growing of cobalt diselenide nanobelts on the surface of commercial carbon fiber felt shows exceptionally high catalytic activity with 141 mV overpotential to afford a current density of 10 mA cm-2, and a high exchange current density of 5.9 × 10-2 mA cm-2. Remarkably, it also exhibits excellent catalytic stability, and could be used for more than 30 000 potential cycles with no decrease in the current density in 0.5 M H2SO4. This easily prepared 3D material with excellent electrocatalytic performance is promising as a realistic hydrogen evolution electrode.
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Affiliation(s)
- Ya-Rong Zheng
- Division of Nanomaterials and Chemistry , Hefei National Laboratory for Physical Sciences at Microscale , Collaborative Innovation Center of Suzhou Nano Science and Technology , Department of Chemistry , Institution University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
| | - Min-Rui Gao
- Division of Nanomaterials and Chemistry , Hefei National Laboratory for Physical Sciences at Microscale , Collaborative Innovation Center of Suzhou Nano Science and Technology , Department of Chemistry , Institution University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
| | - Zi-You Yu
- Division of Nanomaterials and Chemistry , Hefei National Laboratory for Physical Sciences at Microscale , Collaborative Innovation Center of Suzhou Nano Science and Technology , Department of Chemistry , Institution University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
| | - Qiang Gao
- Division of Nanomaterials and Chemistry , Hefei National Laboratory for Physical Sciences at Microscale , Collaborative Innovation Center of Suzhou Nano Science and Technology , Department of Chemistry , Institution University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
| | - Huai-Ling Gao
- Division of Nanomaterials and Chemistry , Hefei National Laboratory for Physical Sciences at Microscale , Collaborative Innovation Center of Suzhou Nano Science and Technology , Department of Chemistry , Institution University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
| | - Shu-Hong Yu
- Division of Nanomaterials and Chemistry , Hefei National Laboratory for Physical Sciences at Microscale , Collaborative Innovation Center of Suzhou Nano Science and Technology , Department of Chemistry , Institution University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
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80
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Park M, Ryu J, Cho J. Nanostructured Electrocatalysts for All-Vanadium Redox Flow Batteries. Chem Asian J 2015; 10:2096-110. [DOI: 10.1002/asia.201500238] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Minjoon Park
- Department of Energy Engineering and School of Energy and Chemical Engineering; Ulsan National Institute of Science and Technology (UNIST); 689-798 Ulsan South Korea
| | - Jaechan Ryu
- Department of Energy Engineering and School of Energy and Chemical Engineering; Ulsan National Institute of Science and Technology (UNIST); 689-798 Ulsan South Korea
| | - Jaephil Cho
- Department of Energy Engineering and School of Energy and Chemical Engineering; Ulsan National Institute of Science and Technology (UNIST); 689-798 Ulsan South Korea
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81
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Liu J, Hu J, Deng Q, Mo J, Xie H, Liu Z, Xiong Y, Wu X, Wu Y. Aqueous Rechargeable Batteries for Large-scale Energy Storage. Isr J Chem 2015. [DOI: 10.1002/ijch.201400155] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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82
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Jia C, Liu Q, Sun CJ, Yang F, Ren Y, Heald SM, Liu Y, Li ZF, Lu W, Xie J. In situ X-ray near-edge absorption spectroscopy investigation of the state of charge of all-vanadium redox flow batteries. ACS APPLIED MATERIALS & INTERFACES 2014; 6:17920-17925. [PMID: 25191695 DOI: 10.1021/am5046422] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Synchrotron-based in situ X-ray near-edge absorption spectroscopy (XANES) has been used to study the valence state evolution of the vanadium ion for both the catholyte and anolyte in all-vanadium redox flow batteries (VRB) under realistic cycling conditions. The results indicate that, when using the widely used charge-discharge profile during the first charge process (charging the VRB cell to 1.65 V under a constant current mode), the vanadium ion valence did not reach V(V) in the catholyte and did not reach V(II) in the anolyte. Consequently, the state of charge (SOC) for the VRB cell was only 82%, far below the desired 100% SOC. Thus, such incompletely charged mix electrolytes results in not only wasting the electrolytes but also decreasing the cell performance in the following cycles. On the basis of our study, we proposed a new charge-discharge profile (first charged at a constant current mode up to 1.65 V and then continuously charged at a constant voltage mode until the capacity was close to the theoretical value) for the first charge process that achieved 100% SOC after the initial charge process. Utilizing this new charge-discharge profile, the theoretical charge capacity and the full utilization of electrolytes has been achieved, thus having a significant impact on the cost reduction of the electrolytes in VRB.
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Affiliation(s)
- Chuankun Jia
- Department of Mechanical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University , Indianapolis, Indiana 46202, United States
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83
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Zhao Y, Hong M, Bonnet Mercier N, Yu G, Choi HC, Byon HR. A 3.5 V lithium-iodine hybrid redox battery with vertically aligned carbon nanotube current collector. NANO LETTERS 2014; 14:1085-1092. [PMID: 24475968 DOI: 10.1021/nl404784d] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A lithium-iodine (Li-I2) cell using the triiodide/iodide (I3(-)/I(-)) redox couple in an aqueous cathode has superior gravimetric and volumetric energy densities (∼ 330 W h kg(-1) and ∼ 650 W h L(-1), respectively, from saturated I2 in an aqueous cathode) to the reported aqueous Li-ion batteries and aqueous cathode-type batteries, which provides an opportunity to construct cost-effective and high-performance energy storage. To apply this I3(-)/I(-) aqueous cathode for a portable and compact 3.5 V battery, unlike for grid-scale storage as general target of redox flow batteries, we use a three-dimensional and millimeter thick carbon nanotube current collector for the I3(-)/I(-) redox reaction, which can shorten the diffusion length of the redox couple and provide rapid electron transport. These endeavors allow the Li-I2 battery to enlarge its specific capacity, cycling retention, and maintain a stable potential, thereby demonstrating a promising candidate for an environmentally benign and reusable portable battery.
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Affiliation(s)
- Yu Zhao
- Byon Initiative Research Unit (IRU), RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
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