201
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Wu G, Ma Z, Wu X, Zhu X, Man Z, Lu W, Xu J. Interfacial Polymetallic Oxides and Hierarchical Porous Core-Shell Fibres for High Energy-Density Electrochemical Supercapacitors. Angew Chem Int Ed Engl 2022; 61:e202203765. [PMID: 35426464 DOI: 10.1002/anie.202203765] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Indexed: 11/07/2022]
Abstract
Realizing high energy-density and actual applications of fibre-based electrochemical supercapacitors (FESCs) are pivotal but challenging, as the ability to construct advanced fibres for accelerating charges kinetic diffusion and Faradaic storage remain key bottlenecks. Here, we demonstrate high-performance FESCs based on hetero-structured polymetallic oxides/porous graphene core-sheath fibres, where the large pseudo-active polymetallic oxide (PMO) sheath is uniformly loaded on a hierarchical porous graphene fibre (PGF) core. Due to the abundant micro-/mesoporous pathways, large accessible surface, excellent redox activity and good interface electron conduction, the PMO-PGF possesses high areal capacitance (2959.78 mF cm-2 ) and manageable Faradaic reversibility in a 6 M KOH electrolyte. Furthermore, the PMO-PGF-based solid-state FESCs present high energy-density (187.22 μ Wh cm-2 ), long-life cycles (95.8 % capacitive retention after 20 000 cycles), diverse-powered capabilities and actual energy-supply applications.
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Affiliation(s)
- Guan Wu
- National Engineering Lab for Textile Fiber Materials & Processing Technology, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China.,Zhejiang Provincial Innovation Center of Advanced Textile Technology, Shaoxing, 312000, P. R. China
| | - Ziyang Ma
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, P. R. China
| | - Xingjiang Wu
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Xiaolin Zhu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, P. R. China
| | - Zengming Man
- National Engineering Lab for Textile Fiber Materials & Processing Technology, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China.,Zhejiang Provincial Innovation Center of Advanced Textile Technology, Shaoxing, 312000, P. R. China
| | - Wangyang Lu
- National Engineering Lab for Textile Fiber Materials & Processing Technology, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China.,Zhejiang Provincial Innovation Center of Advanced Textile Technology, Shaoxing, 312000, P. R. China
| | - Jianhong Xu
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
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202
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Geng Q, Wang H, Wu Y, Lv LP, Chen S, Sun W, Wang Y. Covalent‐Induced Heterostructure of Covalent‐Organic Frameworks and MXene as Advanced Electrodes with Motivated Pseudocapacitance Performance. ChemElectroChem 2022. [DOI: 10.1002/celc.202200340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qianhao Geng
- Shanghai University Department of Chemical Engineering CHINA
| | - Haichao Wang
- Shanghai University Department of Chemical Engineering CHINA
| | - Yang Wu
- Shanghai University Department of Chemical Engineering CHINA
| | - Li-Ping Lv
- Shanghai University Department of Chemical Engineering CHINA
| | | | - Weiwei Sun
- Shanghai University Department of Chemical Engineering CHINA
| | - Yong Wang
- Shanghai University Department of Chemical Engineering 99 Shangda Road 200444 Shanghai CHINA
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203
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Chen J, Xiao B, Hu C, Chen H, Huang J, Yan D, Peng S. Construction Strategy of VO 2@V 2C 1D/2D Heterostructure and Improvement of Zinc-Ion Diffusion Ability in VO 2 (B). ACS APPLIED MATERIALS & INTERFACES 2022; 14:28760-28768. [PMID: 35654751 DOI: 10.1021/acsami.2c03646] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
VO2 (B) electrode material has relatively high capacity and good cycle stability. However, its poor rate performance limits its further development because of the strong interaction between zinc ions and the main lattice of VO2 (B). Herein, considering the design principle of rate performance improvement, we furnished a different scheme from a previous multistep method of the synthesis-modification strategy of pure VO2 (B). VO2@V2C 1D/2D heterostructure was constructed by controllable partial oxidation of V2C by a one-step hydrothermal method. The unique 1D/2D heterostructure improves diffusivity and reduces the diffusion size of zinc ions at the same time, which significantly improved the rate performance of VO2. The situation at the heterostructure interface is analyzed by Raman spectroscopy, X-ray photoelectron spectroscopy, and ultraviolet photoelectron spectroscopy. Combined with cyclic voltammetry, electrochemical impedance spectroscopy, and galvanostatic intermittent title technology tests, the promotion mechanism for the rate performance of the derived VO2 is further explained. In addition, it is found that V2C MXene can be electrochemically activated when the voltage reaches 1.24 V. By further widening the voltage window to activate V2C, VO2@V2COx heterostructure was obtained, which realizes high capacity and maintains high rate performance in aqueous zinc-ion batteries. This work provides key insights for the design of high-rate-performance electrode materials for aqueous zinc-ion batteries.
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Affiliation(s)
- Jie Chen
- National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology, School of Materials and Energy, Lanzhou University, Lanzhou 730000, Gansu, P.R. China
| | - Baoquan Xiao
- National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology, School of Materials and Energy, Lanzhou University, Lanzhou 730000, Gansu, P.R. China
| | - Changfa Hu
- National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology, School of Materials and Energy, Lanzhou University, Lanzhou 730000, Gansu, P.R. China
| | - Hangda Chen
- National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology, School of Materials and Energy, Lanzhou University, Lanzhou 730000, Gansu, P.R. China
| | - Juanjuan Huang
- National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology, School of Materials and Energy, Lanzhou University, Lanzhou 730000, Gansu, P.R. China
| | - De Yan
- National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology, School of Materials and Energy, Lanzhou University, Lanzhou 730000, Gansu, P.R. China
| | - Shanglong Peng
- National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology, School of Materials and Energy, Lanzhou University, Lanzhou 730000, Gansu, P.R. China
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204
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Ma R, Zhang X, Zhuo J, Cao L, Song Y, Yin Y, Wang X, Yang G, Yi F. Self-Supporting, Binder-Free, and Flexible Ti 3C 2T x MXene-Based Supercapacitor Electrode with Improved Electrochemical Performance. ACS NANO 2022; 16:9713-9727. [PMID: 35584058 DOI: 10.1021/acsnano.2c03351] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
MXenes have shown great potential for supercapacitor electrodes due to their unique characteristics, but simultaneously achieving high capacitance, rate capability, and cyclic stability along with good mechanical flexibility is exceptionally challenging. Here, highly enhanced capacitance, rate capability, and cyclic stability, as well as good mechanical flexibility for T3C2Tx MXene-based supercapacitor electrodes are simultaneously obtained by engineering the electrode structure, modifying the surface chemistry, and optimizing the fabrication process via an optimized integration approach. This approach combines and more importantly optimizes three methods that all require a calcination process: carbonizing in situ grown polymer ("Cpolymer") on the MXene, alkali treatment ("A"), and template sacrificing ("P"); and the optimized processes lead to more abundant active sites, faster ion accessibility, better chemical stability, and good mechanical flexibility. The obtained P-MXene/Cpolymer-A electrodes are binder-free and self-supporting and not only have good mechanical flexibility but also demonstrate much larger capacitances and better rate performance than the pristine MXene electrode. Specifically, the P-MXene/CPAQ-A electrode (PAQ: quinone-amine polymer) achieves a high capacitance of 532.9 F g-1 at 5 mV s-1, together with superior rate performance and improved cyclic stability (97.1% capacitance retention after 40 000 cycles at 20 A g-1) compared with the pristine MXene (79.6% retention) and P-MXene-A (77.3% retention) electrodes. In addition, it is discovered that carbonizing in situ grown polymers can variously remove the -F group and the removal effect can be accumulated with that by the alkali treatment.
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Affiliation(s)
- Rui Ma
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Xujing Zhang
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Jingting Zhuo
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Lingyun Cao
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Yutong Song
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Yajiang Yin
- Department of Precision Instrument, Tsinghua University, Beijing 100084, P. R. China
| | - Xiaofeng Wang
- Department of Precision Instrument, Tsinghua University, Beijing 100084, P. R. China
| | - Guowei Yang
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
- State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Fang Yi
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
- Nanotechnology Research Center, Sun Yat-sen University, Guangzhou 510275, P. R. China
- Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, Sun Yat-sen University, Guangzhou 510275, P. R. China
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205
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Abstract
Aqueous batteries have been considered as the most promising alternatives to the dominant lithium-based battery technologies because of their low cost, abundant resources and high safety. The output voltage of aqueous batteries is limited by the narrow stable voltage window of 1.23 V for water, which theoretically impedes further improvement of their energy density. However, the pH-decoupling electrolyte with an acidic catholyte and an alkaline anolyte has been verified to broaden the operating voltage window of the aqueous electrolyte to over 3 V, which goes beyond the voltage limitations of the aqueous batteries, making high-energy aqueous batteries possible. In this Review, we summarize the latest decoupled aqueous batteries based on pH-decoupling electrolytes from the perspective of ion-selective membranes, competitive redox couples and potential battery prototypes. The inherent defects and problems of these decoupled aqueous batteries are systematically analysed, and the critical scientific issues of this battery technology for future applications are discussed.
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206
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Abstract
Interpretation of impedance spectroscopy data requires both a description of the chemistry and physics that govern the system and an assessment of the error structure of the measurement. The approach presented here includes use of graphical methods to guide model development, use of a measurement model analysis to assess the presence of stochastic and bias errors, and a systematic development of interpretation models in terms of the proposed reaction mechanism and physical description. Application to corrosion, batteries, and biological systems is discussed, and emerging trends in interpretation and implementation of impedance spectroscopy are presented.
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Affiliation(s)
- Vincent Vivier
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface, 4 place Jussieu, Paris 75005 Cedex 05, France
| | - Mark E Orazem
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
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207
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Xu P, Hong X, Zhu Z, Ouyang H, Zhou Z, Geng L, Xu N, Duan Y, Lv L, He L. Revealing Kinetics Process of Fast Charge‐Storage Behavior Associated with Potential in 2D Polyaniline. ENERGY TECHNOLOGY 2022. [DOI: 10.1002/ente.202200257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Peng Xu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China
| | - Xufeng Hong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China
- School of Materials Science and Engineering Peking University Beijing 100871 P. R. China
| | - Zhe Zhu
- School of Mechanical Engineering Sichuan University Chengdu 610065 P. R. China
| | - Huifang Ouyang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China
| | - Zhiyuan Zhou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China
| | - Lishan Geng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China
| | - Nuo Xu
- Department of Physics School of Science Wuhan University of Technology Wuhan 430070 P. R. China
| | - Yixue Duan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China
- School of Mechanical Engineering Sichuan University Chengdu 610065 P. R. China
| | - Linfeng Lv
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China
- School of Mechanical Engineering Sichuan University Chengdu 610065 P. R. China
| | - Liang He
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China
- School of Mechanical Engineering Sichuan University Chengdu 610065 P. R. China
- Med+X Center for Manufacturing West China Hospital Sichuan University Chengdu 610041 P. R. China
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208
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Yang J, Li H, He S, Du H, Liu K, Zhang C, Jiang S. Facile Electrodeposition of NiCo2O4 Nanosheets on Porous Carbonized Wood for Wood-Derived Asymmetric Supercapacitors. Polymers (Basel) 2022; 14:polym14132521. [PMID: 35808566 PMCID: PMC9269009 DOI: 10.3390/polym14132521] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/15/2022] [Accepted: 06/15/2022] [Indexed: 01/29/2023] Open
Abstract
Multichannel-porous carbon derived from wood can serve as a conductive substrate for fast charge transfer and ion diffusion, supporting the high-theory capacitance of pseudocapacitive materials. Herein, NiCo2O4 nanosheets, which are hierarchically porous, anchored on the surface of carbonized wood via electrodeposition for free-binder high-performance supercapacitor electrode materials, were proposed. Benefiting from the effectively alleviated NiCo2O4 nanosheets accumulation and sufficient active surface area for redox reaction, a N-doped wood-derived porous carbon-NiCo2O4 nanosheet hybrid material (NCNS–NCW) electrode exhibited a specific electric capacity of 1730 F g−1 at 1 A g−1 in 1 mol L−1 KOH and splendid electrochemical firmness with 80% capacitance retention after cycles. Furthermore, an all-wood-based asymmetric supercapacitor based on NCNS–NCW//NCW was assembled and a high energy density of 56.1 Wh kg−1 at a watt density of 349 W kg−1 was achieved. Due to the great electrochemical performance of NCNS–NCW, we expect it to be used as an electrode material with great promise for energy storage equipment.
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Affiliation(s)
- Jingjiang Yang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China; (J.Y.); (H.L.)
| | - Huiling Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China; (J.Y.); (H.L.)
| | - Shuijian He
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China; (J.Y.); (H.L.)
- Correspondence: (S.H.); (C.Z.); (S.J.)
| | - Haijuan Du
- College of Textiles, Zhongyuan University of Technology, Zhengzhou 450007, China;
| | - Kunming Liu
- Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, China;
| | - Chunmei Zhang
- Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
- Correspondence: (S.H.); (C.Z.); (S.J.)
| | - Shaohua Jiang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China; (J.Y.); (H.L.)
- Correspondence: (S.H.); (C.Z.); (S.J.)
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209
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Suchecki M, Klejna S, Marciszko-Wiąckowska M, Bednarski W, Rosiak N, Lewandowska K, Szaciłowski K. Supercapacitance in graphene oxide materials modified with tetrapyrrole dyes: a mechanistic study. NANOSCALE 2022; 14:8534-8547. [PMID: 35666633 DOI: 10.1039/d2nr02302d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The global increase in mobile technology usage has created a need for better energy storage systems. With standard batteries reaching their technological limits, alternate energy storage methods are gaining momentum. In this study, we demonstrate a cheap and efficient way of building from scratch high-performance supercapacitors based on graphene oxide (GO) functionalized with tetrapyrrole derivatives: porphyrins and phthalocyanines. We present supercapacitors with capacitances about 30 times larger than those of the pristine graphene oxide-based counterparts. Experimental characterisation methods including X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), ultraviolet-visible spectroscopy (UV-VIS), electron paramagnetic resonance (EPR), and density functional theory (DFT) calculations revealed correlations between the structural, magnetic, electronic and thermodynamic properties of these materials and their performance as supercapacitors. Electrochemical studies indicate the complex and versatile nature of capacitive effects associated with thin layers of supramolecular composites of graphene oxide. The electrical double layer (EDL) capacitance, cation intercalation and faradaic processes are coupled. Moreover, differences in the electronic interactions between GO and tetrapyrrolic modifiers have a profound effect on the observed capacitance. At the same time, these interactions are sufficiently weak to induce only subtle spectral changes, as well as a small increase of the interlayer distance as determined by XRD measurements. The present work offers a viable strategy for manufacturing high-performance supercapacitive materials that are superior to the state of the art nanocarbon-based supercapacitors using benign electrolytes in terms of capacitance per mass unit and have the potential for application in future green energy storage technologies. Our study provides insight into the multifarious origins of supercapacitance beyond the well-known EDL mechanism.
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Affiliation(s)
- Maciej Suchecki
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Kraków, Poland.
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Kraków, Poland
| | - Sylwia Klejna
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Kraków, Poland.
| | - Marianna Marciszko-Wiąckowska
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Kraków, Poland.
| | - Waldemar Bednarski
- Institute of Molecular Physics, Polish Academy of Sciences, ul. Smoluchowskiego 17, 60-179 Poznań, Poland
| | - Natalia Rosiak
- Department of Pharmacognosy, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
| | - Kornelia Lewandowska
- Institute of Molecular Physics, Polish Academy of Sciences, ul. Smoluchowskiego 17, 60-179 Poznań, Poland
| | - Konrad Szaciłowski
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Kraków, Poland.
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210
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Frusawa H. Electric-field-induced oscillations in ionic fluids: a unified formulation of modified Poisson-Nernst-Planck models and its relevance to correlation function analysis. SOFT MATTER 2022; 18:4280-4304. [PMID: 35615919 DOI: 10.1039/d1sm01811f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
We theoretically investigate an electric-field-driven system of charged spheres as a primitive model of concentrated electrolytes under an applied electric field. First, we provide a unified formulation for the stochastic charge and density dynamics of the electric-field-driven primitive model using the stochastic density functional theory (DFT). The stochastic DFT integrates the four frameworks (the equilibrium and dynamic DFTs, the liquid state theory and the field-theoretic approach), which allows us to justify in a unified manner various modifications previously made for the Poisson-Nernst-Planck model. Next, we consider stationary density-density and charge-charge correlation functions of the primitive model with a static electric field. We predict an electric-field-induced synchronization between emergences of density and charge oscillations. We are mainly concerned with the emergence of stripe states formed by segregation bands transverse to the external field, thereby demonstrating the following: (i) the electric-field-induced crossover occurs prior to the conventional Kirkwood crossover without an applied electric field, and (ii) the ion concentration dependence of the decay lengths at the onset of oscillations bears a similarity to the underscreening behavior found by recent simulation and theoretical studies on equilibrium electrolytes. Also, the 2D inverse Fourier transform of the correlation function illustrates the existence of stripe states beyond the electric-field-induced Kirkwood crossover.
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Affiliation(s)
- Hiroshi Frusawa
- Laboratory of Statistical Physics, Kochi University of Technology, Tosa-Yamada, Kochi 782-8502, Japan.
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211
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Quek G, Roehrich B, Su Y, Sepunaru L, Bazan GC. Conjugated Polyelectrolytes: Underexplored Materials for Pseudocapacitive Energy Storage. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2104206. [PMID: 34626021 DOI: 10.1002/adma.202104206] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/21/2021] [Indexed: 06/13/2023]
Abstract
Conjugated polyelectrolytes (CPEs) are characterized by an electronically delocalized backbone bearing ionic functionalities. These features lead to properties relevant for use in energy-storing pseudocapacitor devices, including ionic conductivity, water processability, gel-formation, and formation of polaronic species stabilized by electrostatic interactions. In this Perspective, the basis for evaluating the figures of merit for pseudocapacitors is provided, together with the techniques used for their evaluation. The general utility and challenges encountered with neutral conjugated polymers are then discussed. Finally, recent advances on the use of CPEs in pseudocapacitor devices are reviewed. The article is concluded by discussing how their miscibility in aqueous media permits the incorporation of CPEs in living materials that are capable of switching function from extraction of energy from bacterial metabolic pathways to pseudocapacitor energy storage.
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Affiliation(s)
- Glenn Quek
- Departments of Chemistry and Chemical & Biomolecular Engineering, National University of Singapore, Singapore, 119077, Singapore
| | - Brian Roehrich
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Building 232, Santa Barbara, CA, 93106, USA
| | - Yude Su
- Suzhou Institute for Advanced Research, University of Science and Technology of China Suzhou, Jiangsu, 215123, China
| | - Lior Sepunaru
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Building 232, Santa Barbara, CA, 93106, USA
| | - Guillermo C Bazan
- Departments of Chemistry and Chemical & Biomolecular Engineering, National University of Singapore, Singapore, 119077, Singapore
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212
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Li J, Hu T, Wang Y, Chen S, Wang C, Zhang D, Sun Z, Li F. A Chlorine-Based Redox Electrochemical Capacitor. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24396-24403. [PMID: 35580287 DOI: 10.1021/acsami.2c03951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Electrochemical capacitors are under the spotlight due to their high power density, but they have a low energy density. Redox electrolytes have emerged as a promising approach to design high-energy electrochemical energy storage devices. Herein, a chlorine-based redox electrochemical capacitor is reported in an ionic liquid electrolyte. The commercial activated carbon is employed as the working electrode to render the reversible redox of chloride ions in an ionic liquid, by the restriction of micropores on neutral chlorine. The carbon material can simultaneously provide electrical double-layer capacitance. The effective integration of a chlorine redox reaction and electrical double layer allows for high-energy electrochemical capacitors. By this means, a rechargeable chlorine-based redox electrochemical capacitor with reversible capacity and good rate capability and cycling stability is obtained. This work offers a solution for a new type of high-energy electrochemical capacitors.
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Affiliation(s)
- Juan Li
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, People's Republic of China
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China
| | - Tianzhao Hu
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Yuzuo Wang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China
- Institute of Advanced Energy Storage Technology and Equipment, Ningbo University, Ningbo 315112, People's Republic of China
| | - Shaorui Chen
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, People's Republic of China
| | - Chunzhong Wang
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Dong Zhang
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Zhenhua Sun
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, People's Republic of China
| | - Feng Li
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, People's Republic of China
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213
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Lu Y, Cai Y, Zhang Q, Chen J. Insights into Redox Processes and Correlated Performance of Organic Carbonyl Electrode Materials in Rechargeable Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2104150. [PMID: 34617334 DOI: 10.1002/adma.202104150] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/21/2021] [Indexed: 06/13/2023]
Abstract
Organic carbonyl electrode materials have shown great prospects for rechargeable batteries in view of their high capacity, flexible designability, and sustainable production. However, organic carbonyl electrode materials still suffer from unsatisfactory electrochemical performance, which is highly relevant to their redox processes. Herein, an in-depth understanding on redox processes and the correlated electrochemical performance of organic carbonyl electrode materials is provided. The redox processes discussed mainly involve molecular structure evolution (intermediates), crystal structure evolution (phase transition), and charge storage mechanisms. The properties of intermediates can affect voltage, cycling stability, reversible capacity, and rate performance of batteries. Moreover, the reversible capacity/cycling stability and rate performance would be also influenced by phase transition and charge storage mechanisms (diffusion- or surface-controlled), respectively. To accelerate the practical applications of organic carbonyl electrode materials, future work should focus on developing more in situ or operando characterization techniques and further understanding the intrinsic relationships between redox processes and performance. It is hoped that the work discussed herein will stimulate more attention to the detailed redox processes and their correlations with the performance of organic carbonyl electrode materials in rechargeable batteries.
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Affiliation(s)
- Yong Lu
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yichao Cai
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Qiu Zhang
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Jun Chen
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
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214
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Subrata A, Webster RD. Comparing diazonium modified and unmodified activated carbon cloths for energy storage in supercapacitors. ELECTROCHEMICAL SCIENCE ADVANCES 2022. [DOI: 10.1002/elsa.202100084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Arnold Subrata
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences Nanyang Technological University (NTU) Singapore Singapore
| | - Richard D. Webster
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences Nanyang Technological University (NTU) Singapore Singapore
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215
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Wang J, Li S, Zhu Y, Zhai S, Liu C, Fu N, Hou S, Niu Y, Luo J, Mu S, Huang Y. Metal-organic frameworks-derived NiSe@RGO composites for high-performance asymmetric supercapacitors. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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216
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Xu GM, Wang M, Bao HL, Fang PF, Zeng YH, Du L, Wang XL. Design of Ni(OH)2/M-MMT Nanocomposite With Higher Charge Transport as a High Capacity Supercapacitor. Front Chem 2022; 10:916860. [PMID: 35711949 PMCID: PMC9197183 DOI: 10.3389/fchem.2022.916860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 04/27/2022] [Indexed: 11/13/2022] Open
Abstract
Nano-petal nickel hydroxide was prepared on multilayered modified montmorillonite (M-MMT) using one-step hydrothermal method for the first time. This nano-petal multilayered nanostructure dominated the ion diffusion path to be shorted and the higher charge transport ability, which caused the higher specific capacitance. The results showed that in the three-electrode system, the specific capacitance of the nanocomposite with 4% M-MMT reached 1068 F/g at 1 A/g and the capacity retention rate was 70.2% after 1,000 cycles at 10 A/g, which was much higher than that of pure Ni(OH)2 (824 F/g at 1 A/g), indicating that the Ni(OH)2/M-MMT nanocomposite would be a new type of environmentally friendly energy storage supercapacitor.
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Affiliation(s)
- G. M. Xu
- School of Mechanical Engineering, Liaoning Technical University, Fuxin, China
| | - M. Wang
- School of Materials Science and Engineering, Liaoning Technical University, Fuxin, China
- Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Fuxin, China
- *Correspondence: M. Wang,
| | - H. L. Bao
- School of Materials Science and Engineering, Liaoning Technical University, Fuxin, China
| | - P. F. Fang
- School of Materials Science and Engineering, Liaoning Technical University, Fuxin, China
| | - Y. H. Zeng
- School of Materials Science and Engineering, Liaoning Technical University, Fuxin, China
| | - L. Du
- School of Materials Science and Engineering, Liaoning Technical University, Fuxin, China
| | - X. L. Wang
- School of Materials Science and Engineering, Liaoning Technical University, Fuxin, China
- Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Fuxin, China
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217
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Wu J. Understanding the Electric Double-Layer Structure, Capacitance, and Charging Dynamics. Chem Rev 2022; 122:10821-10859. [PMID: 35594506 DOI: 10.1021/acs.chemrev.2c00097] [Citation(s) in RCA: 99] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Significant progress has been made in recent years in theoretical modeling of the electric double layer (EDL), a key concept in electrochemistry important for energy storage, electrocatalysis, and multitudes of other technological applications. However, major challenges remain in understanding the microscopic details of the electrochemical interface and charging mechanisms under realistic conditions. This review delves into theoretical methods to describe the equilibrium and dynamic responses of the EDL structure and capacitance for electrochemical systems commonly deployed for capacitive energy storage. Special emphasis is given to recent advances that intend to capture the nonclassical EDL behavior such as oscillatory ion distributions, polarization of nonmetallic electrodes, charge transfer, and various forms of phase transitions in the micropores of electrodes interfacing with an organic electrolyte or ionic liquid. This comprehensive analysis highlights theoretical insights into predictable relationships between materials characteristics and electrochemical performance and offers a perspective on opportunities for further development toward rational design and optimization of electrochemical systems.
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Affiliation(s)
- Jianzhong Wu
- Department of Chemical and Environmental Engineering, University of California, Riverside, California 92521, United States
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218
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Ghiyasiyan-Arani M, Salavati-Niasari M. Decoration of green synthesized S, N-GQDs and CoFe 2O 4 on halloysite nanoclay as natural substrate for electrochemical hydrogen storage application. Sci Rep 2022; 12:8103. [PMID: 35577885 PMCID: PMC9110390 DOI: 10.1038/s41598-022-12321-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 03/03/2022] [Indexed: 11/16/2022] Open
Abstract
Halloysite nanotubes (HNTs) with high active sites are used as natural layered mineral supports. Sulfur- and nitrogen-co doped graphene quantum dots (S, N-GQDs) as conductive additive and CoFe2O4 as the electrocatalyst was decorated on a HNT support to design an effective and environmentally friendly active material. Herein, an eco-friendly CoFe2O4/S, N-GQDs/HNTs nanocomposite is fabricated via a green hydrothermal method to equip developed hydrogen storage sites and to allow for quick charge transportation for hydrogen storage utilization. The hydrogen storage capacity of pure HNTs was 300 mAhg−1 at a current density of 1 mA after 20 cycles, while that of S, N-GQD-coated HNTs (S, N-GQDs/HNTs) was 466 mAhg−1 under identical conditions. It was also conceivable to increase the hydrogen sorption ability through the spillover procedure by interlinking CoFe2O4 in the halloysite nanoclay. The hydrogen storage capacity of the CoFe2O4/HNTs was 450 mAhg−1, while that of the representative designed nanocomposites of CoFe2O4/S, N-GQDs/HNTs was 600 mAhg−1. The halloysite nano clay and treated halloysite show potential as electrode materials for electrochemical energy storage in alkaline media; in particular, ternary CoFe2O4/S, N-GQD/HNT nanocomposites prove developed hydrogen sorption performance in terms of presence of conductive additive, physisorption, and spillover mechanisms.
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Affiliation(s)
- Maryam Ghiyasiyan-Arani
- Institute of Nano Science and Nano Technology, University of Kashan, P. O. Box. 87317-51167, Kashan, Islamic Republic of Iran.
| | - Masoud Salavati-Niasari
- Institute of Nano Science and Nano Technology, University of Kashan, P. O. Box. 87317-51167, Kashan, Islamic Republic of Iran
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219
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Karimi D, Behi H, Van Mierlo J, Berecibar M. A Comprehensive Review of Lithium-Ion Capacitor Technology: Theory, Development, Modeling, Thermal Management Systems, and Applications. Molecules 2022; 27:3119. [PMID: 35630595 PMCID: PMC9147202 DOI: 10.3390/molecules27103119] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/28/2022] [Accepted: 05/08/2022] [Indexed: 02/04/2023] Open
Abstract
This review paper aims to provide the background and literature review of a hybrid energy storage system (ESS) called a lithium-ion capacitor (LiC). Since the LiC structure is formed based on the anode of lithium-ion batteries (LiB) and cathode of electric double-layer capacitors (EDLCs), a short overview of LiBs and EDLCs is presented following the motivation of hybrid ESSs. Then, the used materials in LiC technology are elaborated. Later, a discussion regarding the current knowledge and recent development related to electro-thermal and lifetime modeling for the LiCs is given. As the performance and lifetime of LiCs highly depends on the operating temperature, heat transfer modeling and heat generation mechanisms of the LiC technology have been introduced, and the published papers considering the thermal management of LiCs have been listed and discussed. In the last section, the applications of LiCs have been elaborated.
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Affiliation(s)
- Danial Karimi
- Research Group MOBI—Mobility, Logistics, and Automotive Technology Research Centre, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium; (H.B.); (J.V.M.); (M.B.)
- Flanders Make, 3001 Heverlee, Belgium
| | - Hamidreza Behi
- Research Group MOBI—Mobility, Logistics, and Automotive Technology Research Centre, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium; (H.B.); (J.V.M.); (M.B.)
- Flanders Make, 3001 Heverlee, Belgium
| | - Joeri Van Mierlo
- Research Group MOBI—Mobility, Logistics, and Automotive Technology Research Centre, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium; (H.B.); (J.V.M.); (M.B.)
- Flanders Make, 3001 Heverlee, Belgium
| | - Maitane Berecibar
- Research Group MOBI—Mobility, Logistics, and Automotive Technology Research Centre, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium; (H.B.); (J.V.M.); (M.B.)
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220
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Egleston BD, Mroz A, Jelfs KE, Greenaway RL. Porous liquids - the future is looking emptier. Chem Sci 2022; 13:5042-5054. [PMID: 35655552 PMCID: PMC9093153 DOI: 10.1039/d2sc00087c] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 04/11/2022] [Indexed: 01/01/2023] Open
Abstract
The development of microporosity in the liquid state is leading to an inherent change in the way we approach applications of functional porosity, potentially allowing access to new processes by exploiting the fluidity of these new materials. By engineering permanent porosity into a liquid, over the transient intermolecular porosity in all liquids, it is possible to design and form a porous liquid. Since the concept was proposed in 2007, and the first examples realised in 2015, the field has seen rapid advances among the types and numbers of porous liquids developed, our understanding of the structure and properties, as well as improvements in gas uptake and molecular separations. However, despite these recent advances, the field is still young, and with only a few applications reported to date, the potential that porous liquids have to transform the field of microporous materials remains largely untapped. In this review, we will explore the theory and conception of porous liquids and cover major advances in the area, key experimental characterisation techniques and computational approaches that have been employed to understand these systems, and summarise the investigated applications of porous liquids that have been presented to date. We also outline an emerging discovery workflow with recommendations for the characterisation required at each stage to both confirm permanent porosity and fully understand the physical properties of the porous liquid.
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Affiliation(s)
- Benjamin D Egleston
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London White City Campus, 82 Wood Lane London W12 0BZ UK
| | - Austin Mroz
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London White City Campus, 82 Wood Lane London W12 0BZ UK
| | - Kim E Jelfs
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London White City Campus, 82 Wood Lane London W12 0BZ UK
| | - Rebecca L Greenaway
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London White City Campus, 82 Wood Lane London W12 0BZ UK
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221
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Nasrin K, Sudharshan V, Arunkumar M, Sathish M. 2D/2D Nanoarchitectured Nb 2C/Ti 3C 2 MXene Heterointerface for High-Energy Supercapacitors with Sustainable Life Cycle. ACS APPLIED MATERIALS & INTERFACES 2022; 14:21038-21049. [PMID: 35476396 DOI: 10.1021/acsami.2c02871] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Layered 2D/2D heterointerface composites experience interesting properties that greatly stimulate the recent surge in the attention as robust supercapacitor electrode materials, especially the MXene-based 2D/2D heterointerface for its robust energy storage compatibility. This report unveils a synergistically in situ prepared 2D/2D Nb2C/Ti3C2 MXene (NCTC) heterointerface nanoarchitecture by facile one-pot chemical etching. The methodology adopted enables the interconnected and simultaneous growth of MXenes exposing and retaining their active surfaces for enhanced ion diffusion pathways, charge storage dynamics, microstructural stability, and a noticeable potential window. Henceforth, the in situ developed NCTC heterointerface electrode delivered an excellent specific capacitance of 584 F/g at 2 A/g with a commendable energy density of 38.5 W h/kg in MXene supercapacitors owing to the augmented surface- and redox-based charge storage at the interface. Finally, the developed all-solid-state system demonstrated a superior cycling retention of 98% capacitance after 50,000 cycles. These superlative results encourage the exploration of such prospective 2D/2D heterointerfaces with intriguing charge storage and microstructural attributes for designing next-generation energy storage systems.
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Affiliation(s)
- Kabeer Nasrin
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
- Electrochemical Power Sources Division (ECPS), CSIR─Central Electrochemical Research Institute, Karaikudi 630 003, Tamil Nadu, India
| | - Vasudevan Sudharshan
- Electrochemical Power Sources Division (ECPS), CSIR─Central Electrochemical Research Institute, Karaikudi 630 003, Tamil Nadu, India
| | - Murugesan Arunkumar
- Electrochemical Power Sources Division (ECPS), CSIR─Central Electrochemical Research Institute, Karaikudi 630 003, Tamil Nadu, India
| | - Marappan Sathish
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
- Electrochemical Power Sources Division (ECPS), CSIR─Central Electrochemical Research Institute, Karaikudi 630 003, Tamil Nadu, India
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222
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Layer-by-Layer Materials for the Fabrication of Devices with Electrochemical Applications. ENERGIES 2022. [DOI: 10.3390/en15093399] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The construction of nanostructured materials for their application in electrochemical processes, e.g., energy storage and conversion, or sensing, has undergone a spectacular development over the last decades as a consequence of their unique properties in comparison to those of their bulk counterparts, e.g., large surface area and facilitated charge/mass transport pathways. This has driven strong research on the optimization of nanostructured materials for the fabrication of electrochemical devices, which demands techniques allowing the assembly of hybrid materials with well-controlled structures and properties. The Layer-by-Layer (LbL) method is well suited for fulfilling the requirements associated with the fabrication of devices for electrochemical applications, enabling the fabrication of nanomaterials with tunable properties that can be exploited as candidates for their application in fuel cells, batteries, electrochromic devices, solar cells, and sensors. This review provides an updated discussion of some of the most recent advances on the application of the LbL method for the fabrication of nanomaterials that can be exploited in the design of novel electrochemical devices.
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223
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Ultra-Thin Wrinkled Carbon Sheet as an Anode Material of High-Power-Density Potassium-Ion Batteries. Molecules 2022; 27:molecules27092973. [PMID: 35566322 PMCID: PMC9099802 DOI: 10.3390/molecules27092973] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/10/2022] [Accepted: 04/14/2022] [Indexed: 12/04/2022] Open
Abstract
Although K+ is readily inserted into graphite, the volume expansion of graphite of up to 60% upon the formation of KC8, together with its slow diffusion kinetics, prevent graphite from being used as an anode for potassium-ion batteries (PIBs). Soft carbon with low crystallinity and an incompact carbon structure can overcome these shortcomings of graphite. Here, ultra-thin two-dimensional (2D) wrinkled soft carbon sheets (USCs) are demonstrated to have high specific capacity, excellent rate capability, and outstanding reversibility. The wrinkles themselves prevent the dense stacking of micron-sized sheets and provide sufficient space to accommodate the volume change of USCs during the insertion/extraction of K+. The ultra-thin property reduces strain during the formation of K-C compounds, and further maintains structural stability. The wrinkles and heteroatoms also introduce abundant edge defects that can provide more active sites and shorten the K+ migration distance, improving reaction kinetics. The optimized USC20-1 electrode exhibits a reversible capacity of 151 mAh g-1 even at 6400 mA g-1, and excellent cyclic stability up to 2500 cycles at 1000 mA g-1. Such comprehensive electrochemical performance will accelerate the adoption of PIBs in electrical energy applications.
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224
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Zhang S, Hwang J, Matsumoto K, Hagiwara R. In Situ Orthorhombic to Amorphous Phase Transition of Nb 2O 5 and Its Temperature Effect on Pseudocapacitive Behavior. ACS APPLIED MATERIALS & INTERFACES 2022; 14:19426-19436. [PMID: 35446016 DOI: 10.1021/acsami.2c01550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Niobium pentoxide (Nb2O5) represents an exquisite class of negative electrode materials with unique pseudocapacitive kinetics that engender superior power and energy densities for advanced electrical energy storage devices. Practical energy devices are expected to maintain stable performance under real-world conditions such as temperature fluctuations. However, the intercalation pseudocapacitive behavior of Nb2O5 at elevated temperatures remains unexplored because of the scarcity of suitable electrolytes. Thus, in this study, we investigate the effect of temperature on the pseudocapacitive behavior of submicron-sized Nb2O5 in a wide potential window of 0.01-2.3 V. Furthermore, ex situ X-ray diffraction and X-ray photoelectron spectroscopy reveal the amorphization of Nb2O5 accompanied by the formation of NbO via a conversion reaction during the initial cycle. Subsequent cycles yield enhanced performance attributed to a series of reversible NbV, IV/NbIII redox reactions in the amorphous LixNb2O5 phase. Through cyclic voltammetry and symmetric cell electrochemical impedance spectroscopy, temperature elevation is noted to increase the pseudocapacitive contribution of the Nb2O5 electrode, resulting in a high rate capability of 131 mAh g-1 at 20,000 mA g-1 at 90 °C. The electrode further exhibits long-term cycling over 2000 cycles and high Coulombic efficiency ascribed to the formation of a robust, [FSA]--originated solid-electrolyte interphase during cycling.
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Affiliation(s)
- Shaoning Zhang
- Graduate School of Energy Science, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan
| | - Jinkwang Hwang
- Graduate School of Energy Science, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan
| | - Kazuhiko Matsumoto
- Graduate School of Energy Science, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan
| | - Rika Hagiwara
- Graduate School of Energy Science, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan
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225
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K A SR, Adhikari S, Radhakrishnan S, Johari P, Rout CS. Effect of cobalt doping on the enhanced energy storage performance of 2D vanadium diselenide: experimental and theoretical investigations. NANOTECHNOLOGY 2022; 33:295703. [PMID: 35417889 DOI: 10.1088/1361-6528/ac66ee] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Vanadium Diselenide (VSe2) is a prominent candidate in the 2D transition metal dichalcogenides family for energy storage applications. Herein, we report the experimental and theoretical investigations on the effect of cobalt doping in 1T-VSe2. The energy storage performance in terms of specific capacitance, stability and energy and power density is studied. It is observed that 3% Co doped VSe2exhibits better energy storage performance as compared to other concentrations, with a specific capacitance of ∼193 F g-1in a two-electrode symmetric configuration. First-principles Density Functional Theory based simulations support the experimental findings by suggesting an enhanced quantum capacitance value after the Co doping in the 1T-VSe2. By making use of the advantages of the specific electrode materials, a solid state asymmetric supercapacitor (SASC) is also assembled with MoS2as the negative electrode. The assembled Co-VSe2//MoS2SASC device shows excellent energy storage performance with a maximum energy density of 33.36 Wh kg-1and a maximum power density of 5148 W kg-1with a cyclic stability of 90% after 5000 galvano static charge discharge cycles.
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Affiliation(s)
- Sree Raj K A
- Centre for Nano and Material Science, Jain University, Jain global campus, Jakkasandra, Ramanagaram, Banglore-562112, India
| | - Surajit Adhikari
- Department of Physics, School of Natural Sciences, Shiv Nadar University, Uttar Pradesh-201314, India
| | - Sithara Radhakrishnan
- Centre for Nano and Material Science, Jain University, Jain global campus, Jakkasandra, Ramanagaram, Banglore-562112, India
| | - Priya Johari
- Department of Physics, School of Natural Sciences, Shiv Nadar University, Uttar Pradesh-201314, India
| | - Chandra Sekhar Rout
- Centre for Nano and Material Science, Jain University, Jain global campus, Jakkasandra, Ramanagaram, Banglore-562112, India
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226
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Kang J, Xue Y, Yang J, Hu Q, Zhang Q, Gu L, Selloni A, Liu LM, Guo L. Realizing Two-Electron Transfer in Ni(OH) 2 Nanosheets for Energy Storage. J Am Chem Soc 2022; 144:8969-8976. [PMID: 35500303 DOI: 10.1021/jacs.1c13523] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The theoretical capacity of a given electrode material is ultimately determined by the number of electrons transferred in each redox center. The design of multi-electron transfer processes could break through the limitation of one-electron transfer and multiply the total capacity but is difficult to achieve because multiple electron transfer processes are generally thermodynamically and kinetically more complex. Here, we report the discovery of two-electron transfer in monolayer Ni(OH)2 nanosheets, which contrasts with the traditional one-electron transfer found in multilayer materials. First-principles calculations predict that the first oxidation process Ni2+ → Ni3+ occurs easily, whereas the second electron transfer in Ni3+ → Ni4+ is strongly hindered in multilayer materials by both the interlayer hydrogen bonds and the domain H structure induced by the Jahn-Teller distortion of the Ni3+ (t2g6eg1)-centered octahedra. In contrast, the second electron transfer can easily occur in monolayers because all H atoms are fully exposed. Experimentally, the as-prepared monolayer is found to deliver an exceptional redox capacity of ∼576 mA h/g, nearly 2 times the theoretical capacity of one-electron processes. In situ experiments demonstrate that monolayer Ni(OH)2 can transfer two electrons and most Ni ions transform into Ni4+ during the charging process, whereas bulk Ni(OH)2 can only be transformed partially. Our work reveals a new redox reaction mechanism in atomically thin Ni(OH)2 nanosheets and suggests a promising path toward tuning the electron transfer numbers to multiply the capacity of the relevant energy storage materials.
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Affiliation(s)
- Jianxin Kang
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Beihang University, Beijing 100191, China
| | - Yufeng Xue
- School of Physics, Beihang University, Beijing 100191, China
| | - Jie Yang
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Beihang University, Beijing 100191, China
| | - Qi Hu
- Beijing Computational Science Research Center, Beijing 100193, China
| | - Qinghua Zhang
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Lin Gu
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Annabella Selloni
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Li-Min Liu
- School of Physics, Beihang University, Beijing 100191, China
| | - Lin Guo
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Beihang University, Beijing 100191, China
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227
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Rajesh JA, Park J, Kang S, Ahn KS. Effect of molar concentration on the crystallite structures and electrochemical properties of cobalt fluoride hydroxide for hybrid supercapacitors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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228
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Determining the depth of surface charging layer of single Prussian blue nanoparticles with pseudocapacitive behaviors. Nat Commun 2022; 13:2316. [PMID: 35484125 PMCID: PMC9051208 DOI: 10.1038/s41467-022-30058-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 04/12/2022] [Indexed: 11/25/2022] Open
Abstract
Understanding the hybrid charge-storage mechanisms of pseudocapacitive nanomaterials holds promising keys to further improve the performance of energy storage devices. Based on the dependence of the light scattering intensity of single Prussian blue nanoparticles (PBNPs) on their oxidation state during sinusoidal potential modulation at varying frequencies, we present an electro-optical microscopic imaging approach to optically acquire the Faradaic electrochemical impedance spectroscopy (oEIS) of single PBNPs. Here we reveal typical pseudocapacitive behavior with hybrid charge-storage mechanisms depending on the modulation frequency. In the low-frequency range, the optical amplitude is inversely proportional to the square root of the frequency (∆I ∝ f−0.5; diffusion-limited process), while in the high-frequency range, it is inversely proportional to the frequency (∆I ∝ f−1; surface charging process). Because the geometry of single cuboid-shaped PBNPs can be precisely determined by scanning electron microscopy and atomic force microscopy, oEIS of single PBNPs allows the determination of the depth of the surface charging layer, revealing it to be ~2 unit cells regardless of the nanoparticle size. The surface charging layer in nanomaterials, which determines their pseudocapacitive behavior, is challenging to characterize. Here the authors perform Faradic electrochemical impedance spectroscopy measurements of single cuboid Prussian blue nanoparticles, displaying a hybrid charge storage mechanism, and determine the depth of the surface charging layer.
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229
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Lv H, Xiao Z, Zhai S, Hao J, Tong Y, Wang G, An Q. Construction of nickel ferrite nanoparticle-loaded on carboxymethyl cellulose-derived porous carbon for efficient pseudocapacitive energy storage. J Colloid Interface Sci 2022; 622:327-335. [PMID: 35525136 DOI: 10.1016/j.jcis.2022.04.133] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 12/14/2022]
Abstract
The preparation of biomass-derived carbon electrode materials with abundant active sites is suitable for development of energy-storage systems with high energy and power densities. Herein, a hybrid material consisting of highly-dispersed nickel ferrite nanoparticle on 3D hierarchical carboxymethyl cellulose-derived porous carbon (NiFe2O4/CPC) was prepared by simple annealing treatment. The synergistic effects of NiFe2O4 species with multiple oxidation states and 3D porous carbon with a large specific surface area offered abundant active centers, fast electron/ion transport, and robust structural stability, thereby showing the excellent performance of the electrochemical capacitor. The best performing sample (NiFe2O4/CPC-800) exhibited a superior capacitance of 2894F g-1 at a current density of 0.5 A g-1. Encouragingly, an asymmetric supercapacitor with NiFe2O4/CPC-800 as a positive electrode and activated carbon as a negative electrode delivered a high energy density of 135.2 W h kg-1 along with an improved power density of 10.04 kW kg-1. Meanwhile, the superior cycling stability of 90.2% over 10,000 cycles at 5 A g-1 was achieved. Overall, the presented work offers a guideline for the design and preparation of advanced electrode materials for energy-storage systems.
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Affiliation(s)
- Hui Lv
- Liaoning Key Lab of Lignocellulose Chemistry and Biomaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Zuoyi Xiao
- Liaoning Key Lab of Lignocellulose Chemistry and Biomaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China.
| | - Shangru Zhai
- Liaoning Key Lab of Lignocellulose Chemistry and Biomaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Jingai Hao
- Liaoning Key Lab of Lignocellulose Chemistry and Biomaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Yao Tong
- Liaoning Key Lab of Lignocellulose Chemistry and Biomaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Guoxiang Wang
- Liaoning Key Lab of Lignocellulose Chemistry and Biomaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Qingda An
- Liaoning Key Lab of Lignocellulose Chemistry and Biomaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China.
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230
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Gan Z, Yin J, Xu X, Cheng Y, Yu T. Nanostructure and Advanced Energy Storage: Elaborate Material Designs Lead to High-Rate Pseudocapacitive Ion Storage. ACS NANO 2022; 16:5131-5152. [PMID: 35293209 DOI: 10.1021/acsnano.2c00557] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The drastic need for development of power and electronic equipment has long been calling for energy storage materials that possess favorable energy and power densities simultaneously, yet neither capacitive nor battery-type materials can meet the aforementioned demand. By contrast, pseudocapacitive materials store ions through redox reactions with charge/discharge rates comparable to those of capacitors, holding the promise of serving as electrode materials in advanced electrochemical energy storage (EES) devices. Therefore, it is of vital importance to enhance pseudocapacitive responses of energy storage materials to obtain excellent energy and power densities at the same time. In this Review, we first present basic concepts and characteristics about pseudocapacitive behaviors for better guidance on material design researches. Second, we discuss several important and effective material design measures for boosting pseudocapacitive responses of materials to improve rate capabilities, which mainly include downsizing, heterostructure engineering, adding atom and vacancy dopants, expanding interlayer distance, exposing active facets, and designing nanosheets. Finally, we outline possible developing trends in the rational design of pseudocapacitive materials and EES devices toward high-performance energy storage.
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Affiliation(s)
- Zihan Gan
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Junyi Yin
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Xin Xu
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Yonghong Cheng
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Ting Yu
- School of Physics and Technology, Wuhan University, Wuhan 430072, P.R. China
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
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231
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Guo Z, Wang D, Wang Z, Gao Y, Liu J. A Free-Standing α-MoO3/MXene Composite Anode for High-Performance Lithium Storage. NANOMATERIALS 2022; 12:nano12091422. [PMID: 35564131 PMCID: PMC9104589 DOI: 10.3390/nano12091422] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/10/2022] [Accepted: 04/18/2022] [Indexed: 02/06/2023]
Abstract
Replacing the commercial graphite anode in Li-ion batteries with pseudocapacitor materials is an effective way to obtain high-performance energy storage devices. α-MoO3 is an attractive pseudocapacitor electrode material due to its theoretical capacity of 1117 mAh g−1. Nevertheless, its low conductivity greatly limits its electrochemical performance. MXene is often used as a 2D conductive substrate and flexible framework for the development of a non-binder electrode because of its unparalleled electronic conductivity and excellent mechanical flexibility. Herein, a free-standing α-MoO3/MXene composite anode with a high specific capacity and an outstanding rate capability was prepared using a green and simple method. The resultant α-MoO3/MXene composite electrode combines the advantages of each of the two components and possesses improved Li+ diffusion kinetics. In particular, this α-MoO3/MXene free-standing electrode exhibited a high Li+ storage capacity (1008 mAh g−1 at 0.1 A g−1) and an outstanding rate capability (172 mAh g−1 at 10 A g−1), as well as a much extended cycling stability (500 cycles at 0.5 A g−1). Furthermore, a full cell was fabricated using commercial LiFePO4 as the cathode, which displayed a high Li+ storage capacity of 160 mAh g−1 with an outstanding rate performance (48 mAh g−1 at 1 A g−1). We believe that our research reveals new possibilities for the development of an advanced free-standing electrode from pseudocapacitive materials for high-performance Li-ion storage.
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232
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Wei L, Cao T, Li D, Chen Z, Yang Z, Huang H, Zhang W. Coupling High Rate Capability and High Capacity in an Intercalation-Type Sodium-Ion Hybrid Capacitor Anode Material of Hydrated Vanadate via Interlayer-Cation Engineering. ACS APPLIED MATERIALS & INTERFACES 2022; 14:17547-17559. [PMID: 35411776 DOI: 10.1021/acsami.2c02644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Layered metal vanadates with intercalation pseudocapacitive behaviors show great promise for applications in sodium-ion hybrid capacitor anode materials due to their large interlayer distances, which benefit the fast Na+ solid-state diffusion. However, their charge storage capacity is significantly constrained by the limited available sites that allow the intercalation of Na+ ions. In this work, by engineering the interlayer cations, Ni0.12Zn0.2V2O5·1.07H2O is designed as a high-performance anode material in sodium-ion hybrid capacitors. The Ni/Zn codoping in the layered vanadate leads to the integration of high rate capability and high specific capacity. Specifically, the spacious interlayer spacing and the pillaring effects of Zn ions together lead to the high rate performance and decent cycling stability, while the redox reactions of the interlayer Ni ions efficiently upgrade the charge storage capacity of this layered material. Accordingly, this work offers a promising avenue to further optimizing the Na+ storage performance of layered vanadates via interlayer-cation engineering.
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Affiliation(s)
- Li Wei
- School of Chemistry and Chemical Engineering, Anhui Key Laboratory of Controllable Chemical Reaction and Materials Chemical Engineering, Hefei University of Technology, Hefei 230009, P.R. China
| | - Taoding Cao
- School of Chemistry and Chemical Engineering, Anhui Key Laboratory of Controllable Chemical Reaction and Materials Chemical Engineering, Hefei University of Technology, Hefei 230009, P.R. China
| | - Deli Li
- School of Chemistry and Chemical Engineering, Anhui Key Laboratory of Controllable Chemical Reaction and Materials Chemical Engineering, Hefei University of Technology, Hefei 230009, P.R. China
| | - Zhangxian Chen
- School of Chemistry and Chemical Engineering, Anhui Key Laboratory of Controllable Chemical Reaction and Materials Chemical Engineering, Hefei University of Technology, Hefei 230009, P.R. China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230031, China
| | - Zeheng Yang
- School of Chemistry and Chemical Engineering, Anhui Key Laboratory of Controllable Chemical Reaction and Materials Chemical Engineering, Hefei University of Technology, Hefei 230009, P.R. China
| | - Haijian Huang
- School of Chemistry and Chemical Engineering, Anhui Key Laboratory of Controllable Chemical Reaction and Materials Chemical Engineering, Hefei University of Technology, Hefei 230009, P.R. China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230031, China
| | - Weixin Zhang
- School of Chemistry and Chemical Engineering, Anhui Key Laboratory of Controllable Chemical Reaction and Materials Chemical Engineering, Hefei University of Technology, Hefei 230009, P.R. China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230031, China
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233
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Rathore HK, Hariram M, Ganesha MK, Singh AK, Das D, Kumar M, Awasthi K, Sarkar D. Charge storage mechanism in vanadium telluride/carbon nanobelts as electroactive material in an aqueous asymmetric supercapacitor. J Colloid Interface Sci 2022; 621:110-118. [PMID: 35452925 DOI: 10.1016/j.jcis.2022.04.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/08/2022] [Accepted: 04/10/2022] [Indexed: 01/27/2023]
Abstract
A novel one-step method for fabricating vanadium telluride nanobelt composites for high-performance supercapacitor applications is reported. The nanobelts are realized by direct tellurization of vanadium oxide in-situ formed via decomposition of ammonium metavanadate in argon atmosphere. Use of melamine as precursor helps in forming graphitic carbon layers during pyrolization on which the nanobelts are grafted. Morphological analysis suggests interconnected nanobelts of ∼23.0 nm width coming out of carbon structure. As pseudocapacitive electrode, vanadium telluride/carbon (C) composite exhibits interesting electrochemical performance within a potential window of 0-1.0 V in 1.0 M sodium sulfate electrolyte along with excellent capacitance retention during 5000 cycles. In-depth analysis suggests that the charge storage mechanism in the composite is governed by both diffusion-controlled and diffusion-independent processes with the former dominating at slower scan rates and later at faster scan rates. The asymmetric supercapacitor assembled using vanadium telluride/C and activated charcoal (AC) as respective positive and negative electrodes exhibited an energy/power combination of 19.3 Wh/kg and 1.8 kW/kg within a potential window of 0-1.8 V in aqueous electrolyte. This strategy to improve capacitance along with potential window in an aqueous electrolyte would facilitate development of high-performance energy storage devices with metal chalcogenides.
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Affiliation(s)
- Hem Kanwar Rathore
- Department of Physics, Malaviya National Institute of Technology Jaipur, Rajasthan 302017, India
| | - Muruganandham Hariram
- Department of Physics, Malaviya National Institute of Technology Jaipur, Rajasthan 302017, India
| | | | - Ashutosh K Singh
- Centre for Nano and Soft Matter Sciences, Bengaluru 562162, India
| | - Debanjan Das
- Analytical Chemistry and Center for Electrochemical Sciences, Ruhr-University Bochum, 44780 Bochum, Germany
| | - Manoj Kumar
- Department of Physics, Malaviya National Institute of Technology Jaipur, Rajasthan 302017, India
| | - Kamlendra Awasthi
- Department of Physics, Malaviya National Institute of Technology Jaipur, Rajasthan 302017, India
| | - Debasish Sarkar
- Department of Physics, Malaviya National Institute of Technology Jaipur, Rajasthan 302017, India.
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234
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Wu G, Ma Z, Wu X, Zhu X, Man Z, Lu W, Xu J. Interfacial Polymetallic Oxides and Hierarchical Porous Core‐Shell Fibres for High Energy‐Density Electrochemical Supercapacitors. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Guan Wu
- Zhejiang Sci-Tech University School of Materials Science and Engineering 5 Second Avenue, Xiasha Higher Education Zone 310018 Hangzhou CHINA
| | - Ziyang Ma
- Nanjing Tech University College of Chemical Engineering CHINA
| | - Xingjiang Wu
- Tsinghua University Department of Chemical Engineering CHINA
| | - Xiaolin Zhu
- Nanjing Tech University College of Chemical Engineering CHINA
| | - Zengming Man
- Zhejiang Sci-Tech University School of Materials Science and Engineering CHINA
| | - Wangyang Lu
- Zhejiang Sci-Tech University School of Materials Science and Engineering CHINA
| | - Jianhong Xu
- Tsinghua University Department of Chemical Engineering CHINA
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235
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Hasan MM, Islam T, Shah SS, Awal A, Aziz MA, Ahammad AJS. Recent Advances in Carbon and Metal Based Supramolecular Technology for Supercapacitor Applications. CHEM REC 2022; 22:e202200041. [DOI: 10.1002/tcr.202200041] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/31/2022] [Accepted: 04/02/2022] [Indexed: 12/14/2022]
Affiliation(s)
- Md. Mahedi Hasan
- Department of Chemistry Jagannath University Dhaka 1100 Bangladesh
- Present Address: Environmental Science & Engineering Program University of Texas at El Paso El Paso Texas 79968 United States
| | - Tamanna Islam
- Department of Chemistry Jagannath University Dhaka 1100 Bangladesh
- Present Address: Environmental Science & Engineering Program University of Texas at El Paso El Paso Texas 79968 United States
| | - Syed Shaheen Shah
- Interdisciplinary Research Center for Hydrogen and Energy Storage (IRC-HES) King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
- Physics Department King Fahd University of Petroleum & Minerals, KFUPM Box 5047 Dhahran 31261 Saudi Arabia
| | - Abdul Awal
- Department of Chemistry Jagannath University Dhaka 1100 Bangladesh
| | - Md. Abdul Aziz
- Interdisciplinary Research Center for Hydrogen and Energy Storage (IRC-HES) King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
- K.A.CARE Energy Research & Innovation Center King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
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236
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Li X, Huang X, Wang Z, Zhao R, Cao X, Guo Y. In-situ polymerization induced Mn2O3 sites as intrinsic carbon defects for capacitive organic dye removal. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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237
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Chen C, Li NW, Zhang XY, Zhang CH, Qiu J, Yu L. Interlayer-Expanded Titanate Hierarchical Hollow Spheres Embedded in Carbon Nanofibers for Enhanced Na Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2107890. [PMID: 35218315 DOI: 10.1002/smll.202107890] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/25/2022] [Indexed: 06/14/2023]
Abstract
Layered titanates are of great potential for hybrid Na-ion capacitors (NICs). However, the poor conductivity and sluggish reaction kinetics are the critical issues for the practical applications of titanates. Herein, an approach to synthesize magnesium titanate hierarchical hollow spheres embedded in carbon nanofibers (denoted as MTO@C) by electrospinning coupled with interlayer engineering processes is reported. 3D conductive carbon framework helps to enhance the electronic conductivity for binder-free electrode, while the expanded interlayer spacing of titanate hierarchical hollow spheres via the incorporation of Mg2+ ions help to reduce the charge transfer resistance and expose more active sites for Na storage. The interconnected hollow spheres can effectively accommodate the volume expansion during the repeated cycles. The results have shown that the MTO@C electrode can deliver a high capacity of 136 mAh g-1 at 1 A g-1 with long lifespan. The assembled NIC device with MTO@C as anode and active carbon as cathode produces a high energy density of 110.3 Wh kg-1 at 112 W kg-1 and a high power density of 5380 W kg-1 at 41.9 Wh kg-1 , together with a high capacity retention of 80% after 5000 cycles.
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Affiliation(s)
- Chong Chen
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Nian Wu Li
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Xin Yu Zhang
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Cai Hong Zhang
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Jieshan Qiu
- School of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Le Yu
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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238
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Bhat T, Jadhav S, Beknalkar S, Patil S, Patil P. MnO2 core-shell type materials for high-performance supercapacitors: A short review. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109493] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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239
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Disentangling faradaic, pseudocapacitive, and capacitive charge storage: A tutorial for the characterization of batteries, supercapacitors, and hybrid systems. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140072] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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240
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On the functionality of the polypyrrole nanostructures for surface modification of Co-free Li-rich layered oxide cathode applied in lithium-ion batteries. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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241
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The Preparation and Electrochemical Pseudocapacitive Performance of Mutual Nickel Phosphide Heterostructures. CRYSTALS 2022. [DOI: 10.3390/cryst12040469] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Transition metal phosphide composite materials have become an excellent choice for use in supercapacitor electrodes due to their excellent conductivity and good catalytic activity. In our study, a series of nickel phosphide heterostructure composites was prepared using a temperature-programmed phosphating method, and their electrochemical performance was tested in 2 mol L−1 KOH electrolyte. Because the interface effect can increase the catalytic active sites and improve the ion transmission, the prepared Ni2P/Ni3P/Ni (Ni/P = 7:3) had a specific capacity of 321 mAh g−1 under 1 A g−1 and the prepared Ni2P/Ni5P4 (Ni/P = 5:4) had a specific capacity of 218 mAh g−1 under 1 A g−1. After the current density was increased from 0.5 A g−1 to 5 A g−1, 76% of the specific capacity was maintained. After 7000 cycles, the capacity retention rate was above 82%. Due to the phase recombination effect, the electrochemical performance of Ni2P/Ni3P/Ni and Ni2P/Ni5P4 was much better than that of single-phase N2P. After assembling the prepared composite and activated carbon into a supercapacitor, the Ni2P/Ni3P/Ni//AC had an energy density of 22 W h kg−1 and a power density of 800 W kg−1 and the Ni2P/Ni5P4//AC had an energy density of 27 W h kg−1 and a power density of 800 W kg−1.
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242
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SLM-processed MoS 2/Mo 2S 3 nanocomposite for energy conversion/storage applications. Sci Rep 2022; 12:5030. [PMID: 35322135 PMCID: PMC8943036 DOI: 10.1038/s41598-022-08921-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 03/15/2022] [Indexed: 11/23/2022] Open
Abstract
MoS2-based nanocomposites have been widely processed by a variety of conventional and 3D printing techniques. In this study, selective laser melting (SLM) has for the first time successfully been employed to tune the crystallographic structure of bulk MoS2 to a 2H/1T phase and to distribute Mo2S3 nanoparticles in-situ in MoS2/Mo2S3 nanocomposites used in electrochemical energy conversion/storage systems (EECSS). The remarkable results promote further research on and elucidate the applicability of laser-based powder bed processing of 2D nanomaterials for a wide range of functional structures within, e.g., EECSS, aerospace, and possibly high-temperature solid-state EECSS even in space.
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243
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Schreiber E, Brennessel WW, Matson EM. Charge-State Dependence of Proton Uptake in Polyoxovanadate-alkoxide Clusters. Inorg Chem 2022; 61:4789-4800. [PMID: 35293218 PMCID: PMC8965876 DOI: 10.1021/acs.inorgchem.1c02937] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Here, we present
an investigation of the thermochemistry of proton
uptake in acetonitrile across three charge states of a polyoxovanadate-alkoxide
(POV-alkoxide) cluster, [V6O7(OMe)12]n (n = 2–, 1–,
and 0). The vanadium oxide assembly studied features bridging sites
saturated by methoxide ligands, isolating protonation to terminal
vanadyl moieties. Exposure of [V6O7(OMe)12]n to organic acids of appropriate
strength results in the protonation of a terminal V=O bond,
generating the transient hydroxide-substituted POV-alkoxide cluster
[V6O6(OH)(OMe)12]n+1. Evidence for this intermediate proved elusive in our initial
report, but here we present the isolation of a divalent anionic cluster
that features hydrogen bonding to dimethylammonium at the terminal
oxo site. Degradation of the protonated species results in the formation
of equimolar quantities of one-electron-oxidized and oxygen-atom-efficient
complexes, [V6O7(OMe)12]n+1 and [V6O6(OMe)12]n+1. While analogous reactivity was
observed across the three charge states of the cluster, a dependence
on the acid strength was observed, suggesting that the oxidation state
of the vanadium oxide assembly influences the basicity of the cluster
surface. Spectroscopic investigations reveal sigmoidal relationships
between the acid strength and cluster conversion across the redox
series, allowing for determination of the proton affinity of the surface
of the cluster in all three charge states. The fully reduced cluster
is found to be the most basic, with higher oxidation states of the
assembly possessing substantially reduced proton affinities (∼7
pKa units per electron). These results
further our understanding of the site-specific reactivity of terminal M=O bonds with protons in an organic solvent,
revealing design criteria for engineering functional surfaces of metal
oxide materials of relevance to energy storage and conversion. Experimental determination of the surface
basicity of polyoxovanadate-alkoxide
clusters across three oxidation states reveals a charge-state dependence
of proton uptake in molecular, organofunctionalized vanadium oxide
assemblies.
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Affiliation(s)
- Eric Schreiber
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - William W Brennessel
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Ellen M Matson
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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244
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Shi G, Han Z, Hu L, Wang B, Huang F. N/O Co‐doped Hard Carbon derived from Cocklebur Fruit for Sodium‐Ion Storage. ChemElectroChem 2022. [DOI: 10.1002/celc.202200138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Gejun Shi
- Shanghai University of Electric Power Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power CHINA
| | - Zhen Han
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Laboratory of High Performance Ceramics and Superfine Microstructure CHINA
| | - Lulu Hu
- Shanghai University of Electric Power Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power CHINA
| | - Baofeng Wang
- Shanghai University of Electric Power Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power No. 1851 Pudong district Shanghai CHINA
| | - Fuqiang Huang
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Laboratory of High Performance Ceramics and Superfine Microstructure CHINA
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245
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Zheng S, Shi D, Yan D, Wang Q, Sun T, Ma T, Li L, He D, Tao Z, Chen J. Orthoquinone-Based Covalent Organic Frameworks with Ordered Channel Structures for Ultrahigh Performance Aqueous Zinc-Organic Batteries. Angew Chem Int Ed Engl 2022; 61:e202117511. [PMID: 35064728 DOI: 10.1002/anie.202117511] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Indexed: 01/07/2023]
Abstract
Elaborate molecular design on cathodes is of great importance for rechargeable aqueous zinc-organic batteries' performance elevation. Herein, we design a novel orthoquinone-based covalent organic framework with an ordered channel structures (BT-PTO COF) cathode for an ultrahigh performance aqueous zinc-organic battery. The ordered channel structure facilitates ions transfer and makes the COF follow a redox pseudocapacitance mechanism. Thus, it delivers a high reversible capacity of 225 mAh g-1 at 0.1 A g-1 and an exceptional long-term cyclability (retention rate 98.0 % at 5 A g-1 (≈18 C) after 10 000 cycles). Moreover, a co-insertion mechanism with Zn2+ first followed by two H+ is uncovered for the first time. Significantly, this co-insertion behaviour evolves to more H+ insertion routes at high current density and gives the COF ultra-fast kinetics thus it achieves unprecedented specific power of 184 kW kg-1 (COF) and a high energy density of 92.4 Wh kg-1 (COF) . Our work reports a superior organic material for zinc batteries and provides a design idea for future high-performance organic cathodes.
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Affiliation(s)
- Shibing Zheng
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Dongjie Shi
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Dong Yan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Qiaoran Wang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Tianjiang Sun
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Tao Ma
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Lin Li
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325035, China
| | - Dan He
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Zhanliang Tao
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Jun Chen
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, China
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246
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Schreiber E, Fertig AA, Brennessel WW, Matson EM. Oxygen-Atom Defect Formation in Polyoxovanadate Clusters via Proton-Coupled Electron Transfer. J Am Chem Soc 2022; 144:5029-5041. [PMID: 35275632 PMCID: PMC8949770 DOI: 10.1021/jacs.1c13432] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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The uptake of hydrogen
atoms (H-atoms) into reducible metal oxides
has implications in catalysis and energy storage. However, outside
of computational modeling, it is difficult to obtain insight into
the physicochemical factors that govern H-atom uptake at the atomic
level. Here, we describe oxygen-atom vacancy formation in a series
of hexavanadate assemblies via proton-coupled electron transfer, presenting
a novel pathway for the formation of defect sites at the surface of
redox-active metal oxides. Kinetic investigations reveal that H-atom
transfer to the metal oxide surface occurs through concerted proton–electron
transfer, resulting in the formation of a transient VIII–OH2 moiety that, upon displacement of the water
ligand with an acetonitrile molecule, forms the oxygen-deficient polyoxovanadate-alkoxide
cluster. Oxidation state distribution of the cluster core dictates
the affinity of surface oxido ligands for H-atoms, mirroring the behavior
of reducible metal oxide nanocrystals. Ultimately, atomistic insights
from this work provide new design criteria for predictive proton-coupled
electron-transfer reactivity of terminal M=O moieties at the
surface of nanoscopic metal oxides.
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Affiliation(s)
- Eric Schreiber
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Alex A Fertig
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - William W Brennessel
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Ellen M Matson
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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247
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Zhang Y, Zhang H, Liu M, Huo P, Feng L, Ren Y, Xu J, Zhou W, Xu T. Vertically Aligned Micropillar Arrays Coated with a Conductive Polymer for Advanced Pseudocapacitance Energy Storage. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10805-10814. [PMID: 35175726 DOI: 10.1021/acsami.1c21947] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
With the development of high-performance supercapacitors, a conductive polymer (CP)-based pseudocapacitance electrode with good electrical conductivity and low processing costs holds a promising application prospect. As the core component of supercapacitors, the CP electrode with adjustable spacing, a high specific surface area, and a faster ion diffusion path has been extensively investigated. Herein, based on accurate top-down photolithography and electropolymerization approaches, we fabricate a CP-coated vertically aligned micropillar array (MPA) electrode. The electrode presents an overwhelming enhanced areal specific capacitance compared with that of a flat configuration, which is partially ascribed to an increased electroactive surface area, two rapid channels for ion diffusion and electron transfer, and enhanced electric field intensity that is provided by the MPA structure. Based on the fabricated CP-based MPA electrode, an asymmetric supercapacitor is assembled with two thiophene derivatives, presenting a high energy density and excellent cycling stability. A supercapacitor system cascading with three asymmetric supercapacitor devices further demonstrates the practical applications by driving the light-emitting diodes. This work provides a good reference for the further development of CP-based energy storage devices with high energy density and superior cycling stability.
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Affiliation(s)
- Yingying Zhang
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
- Jiangxi Engineering Laboratory of Waterborne Coatings, Jiangxi Science and Technology Normal University, Nanchang 330013, P. R. China
| | - Hui Zhang
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Mingze Liu
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Pengcheng Huo
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Lei Feng
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Yongze Ren
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Jingkun Xu
- Jiangxi Engineering Laboratory of Waterborne Coatings, Jiangxi Science and Technology Normal University, Nanchang 330013, P. R. China
| | - Weiqiang Zhou
- Jiangxi Engineering Laboratory of Waterborne Coatings, Jiangxi Science and Technology Normal University, Nanchang 330013, P. R. China
| | - Ting Xu
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
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248
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Zhang X, Qiu Z, Li Q, Liang L, Yang X, Lu S, Xiang D, Lai F. Nickel Acetate-Assisted Graphitization of Porous Activated Carbon at Low Temperature for Supercapacitors With High Performances. Front Chem 2022; 10:828381. [PMID: 35308793 PMCID: PMC8924046 DOI: 10.3389/fchem.2022.828381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 01/11/2022] [Indexed: 11/18/2022] Open
Abstract
Catalytic graphitization opens a route to prepare graphitic carbon under fairly mild conditions. Biomass has been identified as a potentially attractive precursor for graphitic carbon materials. In this work, corn starch was used as carbon source to prepare hollow graphitic carbon microspheres by pyrolysis after mixing impregnation with nitrate salts, and the surface of these carbon microspheres is covered with controllable pores structure. Under optimal synthesis conditions, the prepared carbon microspheres show a uniform pore size distribution and high degree of graphitization. When tested as electrode materials for supercapacitor with organic electrolyte, the electrode exhibited a superior specific capacitance of 144.8 F g−1 at a current density of 0.1 A g−1, as well as large power density and a capacitance retention rate of 93.5% after 1,000 cycles in galvanostatic charge/discharge test at 1.0 A g−1. The synthesis extends use of the renewable nature resources and sheds light on developing new routes to design graphitic carbon microspheres.
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Affiliation(s)
- Xiaohui Zhang
- Guangxi Hezhou Guidong Electronic Technology Co. Ltd, Hezhou, China
- Guangxi Key Laboratory of Calcium Carbonate Resources Comprehensive Utilization, Hezhou University, Hezhou, China
- College of Materials Science and Engineering, Guilin University of Technology, Guilin, China
- Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, China
| | - Zhian Qiu
- Guangxi Key Laboratory of Low-Carbon Energy Materials, Guangxi Normal University, Guilin, China
| | - Qingyu Li
- Guangxi Key Laboratory of Low-Carbon Energy Materials, Guangxi Normal University, Guilin, China
| | - Libo Liang
- Guangxi Hezhou Guidong Electronic Technology Co. Ltd, Hezhou, China
- College of Materials Science and Engineering, Guilin University of Technology, Guilin, China
- *Correspondence: Libo Liang, ; Feiyan Lai,
| | - Xiaofei Yang
- Guangxi Hezhou Guidong Electronic Technology Co. Ltd, Hezhou, China
| | - Shaorong Lu
- College of Materials Science and Engineering, Guilin University of Technology, Guilin, China
| | - Dinghan Xiang
- Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, China
| | - Feiyan Lai
- Guangxi Key Laboratory of Calcium Carbonate Resources Comprehensive Utilization, Hezhou University, Hezhou, China
- Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, China
- Guangxi Key Laboratory of Low-Carbon Energy Materials, Guangxi Normal University, Guilin, China
- *Correspondence: Libo Liang, ; Feiyan Lai,
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249
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Schalenbach M, Durmus YE, Tempel H, Kungl H, Eichel RA. The role of the double layer for the pseudocapacitance of the hydrogen adsorption on platinum. Sci Rep 2022; 12:3375. [PMID: 35233048 PMCID: PMC8888654 DOI: 10.1038/s41598-022-07411-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/16/2022] [Indexed: 11/09/2022] Open
Abstract
Pseudocapacitances such as the hydrogen adsorption on platinum (HAoPt) are associated with faradaic chemical processes that appear as capacitive in their potentiodynamic response, which was reported to result from the kinetics of adsorption processes. This study discusses an alternative interpretation of the partly capacitive response of the HAoPt that is based on the proton transport of ad- or desorbed hydrogen in the double layer. Potentiodynamic perturbations of equilibrated surface states of the HAoPt lead to typical double layer responses with the characteristic resistive–capacitive relaxations that overshadow the fast adsorption kinetics. A potential-dependent double layer representation by a dynamic transmission line model incorporates the HAoPt in terms of capacitive contributions and can computationally reconstruct the charge exchanged in full range cyclic voltammetry data. The coupling of charge transfer with double layer dynamics displays a novel physicochemical theory to explain the phenomenon of pseudocapacitance and the mechanisms in thereon based supercapacitors.
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Affiliation(s)
- Maximilian Schalenbach
- Fundamental Electrochemistry (IEK‑9), Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany.
| | - Y Emre Durmus
- Fundamental Electrochemistry (IEK‑9), Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Hermann Tempel
- Fundamental Electrochemistry (IEK‑9), Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Hans Kungl
- Fundamental Electrochemistry (IEK‑9), Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Rüdiger-A Eichel
- Fundamental Electrochemistry (IEK‑9), Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
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250
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Gross MA, Monroe KA, Hawkins S, Quirino RL, Moreira SG, Pereira-da-Silva MA, de Almeida SV, Faria RC, Paterno LG. High-performance supercapacitor electrode based on a layer-by-layer assembled maghemite/magnetite/reduced graphene oxide nanocomposite film. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116123] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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