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Du X, Lin Z, Wang X, Zhang K, Hu H, Dai S. Electrode Materials, Structural Design, and Storage Mechanisms in Hybrid Supercapacitors. Molecules 2023; 28:6432. [PMID: 37687261 PMCID: PMC10563087 DOI: 10.3390/molecules28176432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/26/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023] Open
Abstract
Currently, energy storage systems are of great importance in daily life due to our dependence on portable electronic devices and hybrid electric vehicles. Among these energy storage systems, hybrid supercapacitor devices, constructed from a battery-type positive electrode and a capacitor-type negative electrode, have attracted widespread interest due to their potential applications. In general, they have a high energy density, a long cycling life, high safety, and environmental friendliness. This review first addresses the recent developments in state-of-the-art electrode materials, the structural design of electrodes, and the optimization of electrode performance. Then we summarize the possible classification of hybrid supercapacitor devices, and their potential applications. Finally, the fundamental theoretical aspects, charge-storage mechanism, and future developing trends are discussed. This review is intended to provide future research directions for the next generation of high-performance energy storage devices.
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Affiliation(s)
- Xiaobing Du
- School of Physical and Engineering, Zhengzhou University, Zhengzhou 450052, China
| | - Zhuanglong Lin
- School of Physical and Engineering, Zhengzhou University, Zhengzhou 450052, China
| | - Xiaoxia Wang
- School of Physical and Engineering, Zhengzhou University, Zhengzhou 450052, China
| | - Kaiyou Zhang
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Hao Hu
- School of Material Science and Engineering, Henan University of Science and Technology, Luoyang 471023, China
| | - Shuge Dai
- School of Physical and Engineering, Zhengzhou University, Zhengzhou 450052, China
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Zhang H, Diao J, Ouyang M, Yadegari H, Mao M, Wang M, Henkelman G, Xie F, Riley DJ. Heterostructured Core-Shell Ni-Co@Fe-Co Nanoboxes of Prussian Blue Analogues for Efficient Electrocatalytic Hydrogen Evolution from Alkaline Seawater. ACS Catal 2023; 13:1349-1358. [PMID: 36714053 PMCID: PMC9872088 DOI: 10.1021/acscatal.2c05433] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/22/2022] [Indexed: 01/11/2023]
Abstract
The rational construction of efficient and low-cost electrocatalysts for the hydrogen evolution reaction (HER) is critical to seawater electrolysis. Herein, trimetallic heterostructured core-shell nanoboxes based on Prussian blue analogues (Ni-Co@Fe-Co PBA) were synthesized using an iterative coprecipitation strategy. The same coprecipitation procedure was used for the preparation of the PBA core and shell, with the synthesis of the shell involving chemical etching during the introduction of ferrous ions. Due to its unique structure and composition, the optimized trimetallic Ni-Co@Fe-Co PBA possesses more active interfacial sites and a high specific surface area. As a result, the developed Ni-Co@Fe-Co PBA electrocatalyst exhibits remarkable electrocatalytic HER performance with small overpotentials of 43 and 183 mV to drive a current density of 10 mA cm-2 in alkaline freshwater and simulated seawater, respectively. Operando Raman spectroscopy demonstrates the evolution of Co2+ from Co3+ in the catalyst during HER. Density functional theory simulations reveal that the H*-N adsorption sites lower the barrier energy of the rate-limiting step, and the introduced Fe species improve the electron mobility of Ni-Co@Fe-Co PBA. The charge transfer at the core-shell interface leads to the generation of H* intermediates, thereby enhancing the HER activity. By pairing this HER catalyst (Ni-Co@Fe-Co PBA) with another core-shell PBA OER catalyst (NiCo@A-NiCo-PBA-AA) reported by our group, the fabricated two-electrode electrolyzer was found to achieve high output current densities of 44 and 30 mA cm-2 at a low voltage of 1.6 V in alkaline freshwater and simulated seawater, respectively, exhibiting remarkable durability over a 100 h test.
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Affiliation(s)
- Hao Zhang
- Department of Materials and London Center for Nanotechnology, Imperial College London, London SW7 2AZ, U.K.
| | - Jiefeng Diao
- Department of Chemistry and the Oden Institute for Computational
Engineering and Sciences, The University
of Texas at Austin, Austin, Texas 78712 United States
| | - Mengzheng Ouyang
- Department of Earth Science and Engineering, Imperial College London, London SW7 2AZ U.K.
| | - Hossein Yadegari
- Department of Materials and London Center for Nanotechnology, Imperial College London, London SW7 2AZ, U.K.
| | - Mingxuan Mao
- Department of Electrical and Electronic Engineering, Imperial College London, London SW7 2AZ U.K.
| | - Mengnan Wang
- Department of Materials and London Center for Nanotechnology, Imperial College London, London SW7 2AZ, U.K.
| | - Graeme Henkelman
- Department of Chemistry and the Oden Institute for Computational
Engineering and Sciences, The University
of Texas at Austin, Austin, Texas 78712 United States
| | - Fang Xie
- Department of Materials and London Center for Nanotechnology, Imperial College London, London SW7 2AZ, U.K.
| | - D. Jason Riley
- Department of Materials and London Center for Nanotechnology, Imperial College London, London SW7 2AZ, U.K.,
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Hu T, Wang Y, Zhao L, Yang S. Intermediate Valence Ion-Mediated Electrodeposition Process. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2203229. [PMID: 36050885 DOI: 10.1002/smll.202203229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/27/2022] [Indexed: 06/15/2023]
Abstract
The assembly of biomolecules and ions (e.g., biomineralization process) generates many intricate structures in nature. However, human beings' control over the assembly processes of ions is in its infant stage compared with nature. Here, it is reported that the intermediate valence metal ions in the electrolyte can influence the growth speed of certain crystal facets and in turn adjust the shape of the electrodeposits created by anodic electrodeposition. This is because the intermediate valence metal ions (e.g., Pb2+ , Mn2+ , etc.) can be oxidized by the electrochemically oxidized high valence ions (e.g., Ag2+ and Ag3+ ). Therefore, the concentration of the electrochemically oxidized high valence ions can be controlled by the intermediate valence ions, affecting the growth kinetics of the electrodeposits. Taking the anodic electrodeposition of Ag7 O8 NO3 as an example, the role of intermediate valence ions in tailoring the shape of the Ag7 O8 NO3 electrodeposits is demonstrated. Moreover, the growth location of the second-order structure can be controlled by the intermediate valence metal ions. Additionally, the designed complex microarchitectures starting from certain crystal facets to form hollow nanoframes can be selectively etched. The control capability over the electrochemical assembly process of metal ions is significantly strengthened by introducing intermediate valence ions into the electrolyte.
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Affiliation(s)
- Teng Hu
- Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yanling Wang
- Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Liyan Zhao
- Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Shikuan Yang
- Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China
- Department of Medical Oncology, The first affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China
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Cao B, Liu B, Xi Z, Cheng Y, Xu X, Jing P, Cheng R, Feng SP, Zhang J. Rational Design of Porous Nanowall Arrays of Ultrafine Co 4N Nanoparticles Confined in a La 2O 2CN 2 Matrix on Carbon Cloth for a High-Performing Supercapacitor Electrode. ACS APPLIED MATERIALS & INTERFACES 2022; 14:47517-47528. [PMID: 36240119 DOI: 10.1021/acsami.2c09377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Transition metal nitrides (TMNs) have received special concern as important energy storage materials, owing to their high conductibility, good mechanical strength, and superior corrosion resistance. However, their insufficient capacitance and poor cycling stability limit their practical applications for supercapacitors. Here, a novel three-dimensional (3D) self-supported integrated electrode consisted of porous nanowall arrays of ultrafine cobalt nitride (Co4N) nanoparticles encapsulated in a lanthanum oxycyanamide (LOC) matrix on carbon cloth (Co4N@LOC/CC) for outstanding electrochemical energy storage is rationally designed and fabricated. The 3D monolithic configuration of porous nanowall arrays facilitates the mass/charge transfer, the exposure of electroactive sites, and the enhancement of electrical conductivity. Meanwhile, the unique core-shell structure of Co4N@LOC can prevent ultrafine Co4N nanoparticles from sintering, agglomeration, and oxidation and promotes electron transfer dynamics during the redox reaction, meanwhile enhancing the stability of the electrode. Additionally, the synergy of Co4N and LOC can result in an efficient electron/ion transport in the process of the charge-discharge. Because of these features, the Co4N@LOC/CC electrode displays superior specific capacitance (895.6 mF cm-2 or 613.4 F g-1 at 1 mA cm-2) and admirable cycling durability (87.9% capacitance reservation after 10 000 cycles), surpassing the majority of nitride-based electrodes reported thus far. Furthermore, after being assembled into an asymmetric supercapacitor using active carbon (AC) as an anode, the obtained Co4N@LOC/CC//AC/CC device displays a high energy density of 41.7 Wh kg-1 at the power density of 875.8 W kg-1 with a high capacitance reservation of 87.6% after 5000 cycles at 2 mA cm-2. This work offers an efficient approach of combining TMNs with rare earth compounds to enhance the capacitance and stability of TMNs for supercapacitor electrodes.
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Affiliation(s)
- Bo Cao
- School of Chemistry and Chemical Engineering & Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, 49 Xilinguole South Road, Hohhot010020, People's Republic of China
| | - Baocang Liu
- School of Chemistry and Chemical Engineering & Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, 49 Xilinguole South Road, Hohhot010020, People's Republic of China
| | - Zichao Xi
- School of Chemistry and Chemical Engineering & Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, 49 Xilinguole South Road, Hohhot010020, People's Republic of China
| | - Yan Cheng
- School of Chemistry and Chemical Engineering & Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, 49 Xilinguole South Road, Hohhot010020, People's Republic of China
| | - Xuan Xu
- School of Chemistry and Chemical Engineering & Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, 49 Xilinguole South Road, Hohhot010020, People's Republic of China
| | - Peng Jing
- School of Chemistry and Chemical Engineering & Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, 49 Xilinguole South Road, Hohhot010020, People's Republic of China
| | - Rui Cheng
- Department of Mechanical Engineering, The University of Hong Kong, 142 Pok Fu Lam Road, Pok Fu Lam999077, Hong Kong Special Administrative Region of the People's Republic of China
| | - Shien-Ping Feng
- Department of Mechanical Engineering, The University of Hong Kong, 142 Pok Fu Lam Road, Pok Fu Lam999077, Hong Kong Special Administrative Region of the People's Republic of China
| | - Jun Zhang
- School of Chemistry and Chemical Engineering & Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, 49 Xilinguole South Road, Hohhot010020, People's Republic of China
- Inner Mongolia Academy of Science and Technology, 70 Zhaowuda Road, Hohhot010010, People's Republic of China
- Inner Mongolia Guangheyuan Nano High-Tech Company, Limited, Ejin Horo Banner, Ordos017299, People's Republic of China
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Wang Q, Zhong T, Wang Z. Plasma-Engineered N-CoO x Nanowire Array as a Bifunctional Electrode for Supercapacitor and Electrocatalysis. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12172984. [PMID: 36080021 PMCID: PMC9457654 DOI: 10.3390/nano12172984] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/25/2022] [Accepted: 08/27/2022] [Indexed: 06/02/2023]
Abstract
Surface engineering has achieved great success in enhancing the electrochemical activity of Co3O4. However, the previously reported methods always involve high-temperature calcination processes which are prone to induce agglomeration of the nanostructure, leading to the attenuation of performance. In this work, Co3O4 nanowires were successfully modified by a low-temperature NH3/Ar plasma treatment, which simultaneously generated a porous structure and efficient nitrogen doping with no agglomeration. The modified N-CoOx electrode exhibited remarkable performance due to the synergistic effect of the porous structure and nitrogen doping, which provided additional active sites for faradic transitions and improved charge transfer characteristics. The electrode achieved excellent supercapacitive performance with a maximum specific capacitance of 2862 mF/cm2 and superior cycling retention. Furthermore, the assembled asymmetric supercapacitor (N-CoOx//AC) device exhibited an extended potential window of 1.5 V, a maximum specific energy of 80.5 Wh/kg, and a maximum specific power of 25.4 kW/kg with 91% capacity retention after 5000 charge-discharge cycles. Moreover, boosted hydrogen evolution reaction performance was also confirmed by the low overpotential (126 mV) and long-term stability. This work enlightens prospective research on the plasma-enhanced surface engineering strategies.
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