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Li C, Hao H, Liang J, Zhao B, Guo Z, Liu G, Li W. High energy density flexible Zn-ion hybrid supercapacitors with conductive cotton fabric constructed by rGO/CNT/PPy nanocomposite. NANOTECHNOLOGY 2023; 35:015404. [PMID: 37797599 DOI: 10.1088/1361-6528/ad0051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 10/05/2023] [Indexed: 10/07/2023]
Abstract
Fiber-shaped energy-storage devices for high energy and power density are crucial to power wearable electronics. In this work, reduced graphene oxide/carbon nanotubes/polypyrrole (GCP-op) cotton fabric with the optimal performance is prepared via a facile and cost-effective dipping-drying together with chemical polymerization approach. The structural characterizations confirm that the GCP-op cotton fabric has been successfully attached with numerous nanoparticles and carbon nanotubes, which can serve as a channel for electronical transfer. And GCP-op cotton fabric electrode displays admirable areal specific capacitance with 8397 mF cm-2at 1 mA cm-2. By combining GCP-op cathode with zinc anode, a GCP-op//PAM/ZnCl2//Zn flexible Zn-ion hybrid supercapacitor (FZHSC) is produced with 2 M polyacrylamide/ZnCl2(PAM/ZnCl2) hydrogel as the gel electrolyte. The FZHSC has superior cycle stability of 88.2%, outstanding energy density of up to 158μWh cm-2and power density at 0.5 mW cm-2. The remarkable performance proves that PPy-based material can provide more options for design and fabricate high energy flexible Zn-ion hybrid supercapacitors.
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Affiliation(s)
- Changwang Li
- School of Materials Science and Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Huilian Hao
- School of Materials Science and Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Jiayu Liang
- School of Materials Science and Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Bowang Zhao
- School of Materials Science and Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Zefei Guo
- School of Materials Science and Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Gengzheng Liu
- School of Materials Science and Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Wenyao Li
- School of Materials Science and Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
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Li H, Zhou S, Han S, Luo R, Hu J, Du B, Yang K, Bao Y, Jia J, Zhang X. Thermoelectric Properties of One-Pot Hydrothermally Synthesized Solution-Processable PEDOT:PSS/MWCNT Composite Materials. Polymers (Basel) 2023; 15:3781. [PMID: 37765635 PMCID: PMC10534393 DOI: 10.3390/polym15183781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
The combination of organic and inorganic materials has been considered an effective solution for achieving ambient thermoelectric energy harvesting and has been developing rapidly. Here, PEDOT:PSS/MWCNT (PPM) composite hydrogels were synthesized using the self-assembled gelation process of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) and the interaction between PEDOT:PSS and multi-walled carbon nanotubes (MWCNTs) without the addition of any surfactant. After immersion in dimethyl sulfoxide and freeze-drying, the hydrogel is easily dispersed in water and used as a direct ink writing (DIW) 3D printing ink. At room temperature, the PPM-20 printed film with 20 wt% MWCNT solids achieved a maximum power factor of 7.37 μW m-1 K-2 and maintained stable thermoelectric properties during repeated bending cycles. On this basis, a thermoelectric generator (TEG) consisting of five legs was printed, which could be produced to generate an open circuit voltage of 6.4 mV and a maximum output power of 40.48 nW at a temperature gradient of 50 K, confirming its great potential for application in high-performance flexible organic/inorganic thermoelectric materials.
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Affiliation(s)
- Haibin Li
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China
| | - Shisheng Zhou
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
- Shaanxi Provincial Key Laboratory of Printing and Packaging Engineering, Xi'an University of Technology, Xi'an 710048, China
| | - Shanxiang Han
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
| | - Rubai Luo
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
- Shanxi Key Laboratory of Advanced Manufacturing Technology, North University of China, Taiyuan 038507, China
| | - Jingbo Hu
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
- Shanxi Key Laboratory of Advanced Manufacturing Technology, North University of China, Taiyuan 038507, China
| | - Bin Du
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
- Shaanxi Provincial Key Laboratory of Printing and Packaging Engineering, Xi'an University of Technology, Xi'an 710048, China
| | - Kenan Yang
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China
| | - Yizhi Bao
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
| | - Junjie Jia
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
| | - Xuemei Zhang
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
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Zhou J, Liu X, Shao Z, Shen T, Yu H, Yang X, You H, Chen D, Liu C, Liu Y. Enhanced Thermoelectric Properties of Coated Vanadium Oxynitride Nanoparticles/PEDOT:PSS Hybrid Films. ACS APPLIED MATERIALS & INTERFACES 2023; 15:9953-9961. [PMID: 36779867 DOI: 10.1021/acsami.2c19809] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Thermoelectric (TE) materials transform thermal energy into electricity, which can play an important role for global sustainability. Conducting polymers are suitable for the preparation of flexible TE materials because of their low-cost, lightweight, flexible, and easily synthesized properties. Here, we fabricate organic-inorganic hybrids by combining vanadium oxynitride nanoparticles coated with nitrogen-doped carbon (NC@VNO) and poly(3,4-ethylenedioxy thiophene):poly(styrene sulfonate) (PEDOT:PSS). We find that the electrical conductivity, Seebeck coefficient, and power factor of the NC@VNO/PEDOT:PSS film can be enhanced up to 4158 S/cm, 45.8 μV/K, and 873 μW/mK2 at 380 K, respectively. The large enhancement of the power factor may be due to the facilitation of the interfacial charge transport tunnel between the NC@VNO nanoparticles and PEDOT:PSS. The improvement of the Seebeck coefficient may be due to the energy filter effect as induced by interfacial contact and internal electric field between the NC@VNO nanoparticles and PEDOT:PSS. Our measurement suggests that the high binding energy of pyrrolic-N enhances the Seebeck coefficient, and the high binding energy of oxide-N increases electrical conductivity.
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Affiliation(s)
- Jinhua Zhou
- School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Xinru Liu
- School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Zhenguang Shao
- School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Tong Shen
- School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Hailin Yu
- School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Xifeng Yang
- School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Haifan You
- The Key Laboratory of Advanced Photonic and Electronic Materials, School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China
| | - Dunjun Chen
- The Key Laboratory of Advanced Photonic and Electronic Materials, School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China
| | - Changjiang Liu
- Department of Physics, University at Buffalo, SUNY, Buffalo, New York 14260, United States
| | - Yushen Liu
- School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, China
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Liang Y, Luo X, Hu Z, Yang L, Zhang Y, Zhu L, Zhu M. Deposition of ZIF-67 and polypyrrole on current collector knitted from carbon nanotube-wrapped polymer yarns as a high-performance electrode for flexible supercapacitors. J Colloid Interface Sci 2022; 631:77-85. [DOI: 10.1016/j.jcis.2022.10.155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 10/26/2022] [Accepted: 10/30/2022] [Indexed: 11/06/2022]
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Sun Y, Yang Y, Fan L, Zheng W, Ye D, Xu J. Polypyrrole/SnCl 2 modified bacterial cellulose electrodes with high areal capacitance for flexible supercapacitors. Carbohydr Polym 2022; 292:119679. [PMID: 35725210 DOI: 10.1016/j.carbpol.2022.119679] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/23/2022] [Accepted: 05/28/2022] [Indexed: 11/24/2022]
Abstract
Polypyrrole (PPy)/bacterial cellulose (BC) composite membranes are a promising kind of lightweight and flexible electrodes for supercapacitors. Herein, we explored a facile and efficient electrostatic self-assembly approach to uniformly depositing anion-doped PPy onto positively charged SnCl2-modifed BC (SBC). The obtained PPy@SBC electrode exhibited a high areal capacitance of 5718 mF cm-2 at a current density of 0.5 mA cm-2, a desirable capacitance retention of 83.1% at 5.0 mA cm-2 and excellent cycling stability (a capacitance retention of 86.8% after 10,000 cycles at 10 mA cm-2). A symmetric flexible supercapacitor was further assembled with the PPy@SBC electrodes, which delivered outstanding mechanical flexibility with negligible capacitance decay under different bent states. This study shows impressive potential in fabricating high-performance electrodes for flexible supercapacitors.
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Affiliation(s)
- Yan Sun
- State Key Lab of New Textile Materials and Advanced Processing Technologies, School of Materials Science & Engineering, School of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Yuan Yang
- State Key Lab of New Textile Materials and Advanced Processing Technologies, School of Materials Science & Engineering, School of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Lingling Fan
- State Key Lab of New Textile Materials and Advanced Processing Technologies, School of Materials Science & Engineering, School of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China.
| | - Wenfeng Zheng
- State Key Lab of New Textile Materials and Advanced Processing Technologies, School of Materials Science & Engineering, School of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Dezhan Ye
- State Key Lab of New Textile Materials and Advanced Processing Technologies, School of Materials Science & Engineering, School of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Jie Xu
- State Key Lab of New Textile Materials and Advanced Processing Technologies, School of Materials Science & Engineering, School of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China.
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6
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Arrangement of ZnFe2O4@PPy nanoparticles on carbon cloth for highly efficient symmetric supercapacitor. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104474] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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7
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Dual-Mode electrochemical biosensors based on Chondroitin sulfate functionalized polypyrrole nanowires for ultrafast and ultratrace detection of acetamiprid pesticide. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107530] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Swelling-reconstructed chitosan-viscose nonwoven fabric for high-performance quasi-solid-state supercapacitors. J Colloid Interface Sci 2022; 617:489-499. [DOI: 10.1016/j.jcis.2022.03.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 11/22/2022]
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9
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Cai H, Liu Z, Xu M, Chen L, Chen X, Cheng L, Li Z, Dai F. High performance flexible silk fabric electrodes with antibacterial, flame retardant and UV resistance for supercapacitors and sensors. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138895] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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10
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Zhang J, Fan X, Meng X, Zhou J, Wang M, Chen S, Cao Y, Chen Y, Bielawski CW, Geng J. Ice-Templated Large-Scale Preparation of Two-Dimensional Sheets of Conjugated Polymers: Thickness-Independent Flexible Supercapacitance. ACS NANO 2021; 15:8870-8882. [PMID: 33969991 DOI: 10.1021/acsnano.1c01459] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Two-dimensional (2D) organic materials hold great promise for use in a multitude of contemporary applications due to their outstanding chemical and physical properties. Herein, 2D sheets of poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) are prepared from a commercially available PEDOT:PSS suspension using ice as a template. The 2D PEDOT:PSS sheets grow in the boundaries of ice crystals as the polymers are "squeezed" out of the suspension when the water solidifies. The mechanical robustness of the sheets can be enhanced by incorporating WO3 nanowires, and the PSS component can be conveniently removed with a concentrated solution of H2SO4 to afford stable suspensions of PEDOT or WO3@PEDOT sheets, either of which can be converted into flexible films with tunable thicknesses via filtration. Swagelok- or pouch-type supercapacitor devices prepared from the WO3@PEDOT films exhibit outstanding energy-storage characteristics, including high rate capability, thickness-independent energy storage (e.g., 701 mF cm-2 is achieved with a 1-mm-thick film), high resistance toward mechanical deformation, and good cycling stability. Additionally, a high energy density of 0.083 mWh cm-2 is measured for a device prepared using a 1-mm-thick film at a high power density of 10 mW cm-2. The methodology described establishes an efficient and readily scalable approach for accessing 2D organic sheets.
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Affiliation(s)
- Jie Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
- Beijing Advanced Innovation Center for Soft Matter Science and Technology, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
| | - Xueying Fan
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
- Beijing Advanced Innovation Center for Soft Matter Science and Technology, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
| | - Xiaodong Meng
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
- Beijing Advanced Innovation Center for Soft Matter Science and Technology, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
| | - Ji Zhou
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
- Beijing Advanced Innovation Center for Soft Matter Science and Technology, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
| | - Manyun Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
- Beijing Advanced Innovation Center for Soft Matter Science and Technology, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
| | - Shang Chen
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
- Beijing Advanced Innovation Center for Soft Matter Science and Technology, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
| | - Yawen Cao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
- Beijing Advanced Innovation Center for Soft Matter Science and Technology, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
| | - Yu Chen
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road, Shijingshan District, Beijing 100049, China
| | - Christopher W Bielawski
- Center for Multidimensional Carbon Materials (CMCM), Institute for Basic Science (IBS), Ulsan 44919, Republic of Korea
- Department of Chemistry and Department of Energy Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jianxin Geng
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
- Beijing Advanced Innovation Center for Soft Matter Science and Technology, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing 100029, China
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Xu S, Hao H, Chen Y, Li W, Shen W, Shearing PR, Brett DJL, He G. Flexible all-solid-state supercapacitors based on PPy/rGO nanocomposite on cotton fabric. NANOTECHNOLOGY 2021; 32:305401. [PMID: 33878745 DOI: 10.1088/1361-6528/abf9c4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 04/20/2021] [Indexed: 06/12/2023]
Abstract
Polypyrrole (PPy) has high electrochemical activity and low cost, so it has great application prospects in wearable supercapacitors. Herein, we have successfully prepared polypyrrole/reduced graphene oxide (PPy/rGO) nanocomposite cotton fabric (NCF) by chemical polymerization, which exhibits splendid electrochemical performance compared with the individual. The addition of rGO can block the deformation of PPy caused by the expansion and contraction. The as-prepared PPy-0.5/rGO NCF electrode exhibits the brilliant specific capacitance (9300 mF cm-2at 1 mA cm-2) and the capacitance retention with 94.47% after 10 000 cycles. At the same time, the superior capacitance stability under different bending conditions and reuse capability have been achieved. All-solid-state supercapacitor has high energy density of 167μWh cm-2with a power density of 1.20 mW cm-2. Therefore, the PPy-0.5/rGO NCF electrode has a broad application prospect in high-performance flexible supercapacitor fabric electrode.
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Affiliation(s)
- Shuzhen Xu
- College of Material Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Huilian Hao
- College of Material Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Yinan Chen
- College of Material Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
| | - Wenyao Li
- College of Material Engineering, Shanghai University of Engineering Science 333 Long Teng Road, Shanghai 201620, People's Republic of China
- Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London WC1E 7JE, United Kingdom
| | - Wenzhong Shen
- Institute of Solar Energy, and Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), Department of Physics and Astronomy, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai 200240, People's Republic of China
| | - Paul R Shearing
- Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London WC1E 7JE, United Kingdom
| | - Dan J L Brett
- Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London WC1E 7JE, United Kingdom
| | - Guanjie He
- Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London WC1E 7JE, United Kingdom
- School of Chemistry, University of Lincoln, Joseph Banks Laboratories, Green Lane, Lincoln, LN6 7DL, United Kingdom
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Yang S, An X, Qian X. Integrated Conductive Hybrid Electrode Materials Based on PPy@ZIF-67-Derived Oxyhydroxide@CFs Composites for Energy Storage. Polymers (Basel) 2021; 13:polym13071082. [PMID: 33805550 PMCID: PMC8037262 DOI: 10.3390/polym13071082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/22/2021] [Accepted: 03/24/2021] [Indexed: 11/22/2022] Open
Abstract
Due to excellent flexibility and hydrophilicity, cellulose fibers (CFs) have become one of the most potential substrate materials in flexible and wearable electronics. In previous work, we prepared cobalt oxyhydroxide with crystal defects modified polypyrrole (PPy)@CFs composites with good electrochemical performance. In this work, we redesigned the crystalline and nanoscale cobalt oxyhydroxide with zeolitic imidazolate frameworks-67 (ZIF-67) as precursor. The results showed that the PPy@ZIF-67 derived cobalt oxyhydroxide@CFs (PZCC) hybrid electrode materials possess far better capacitance of 696.65 F·g−1 than those of PPy@CFs (308.75 F·g−1) and previous PPy@cobalt oxyhydroxide@CFs (571.3 F·g−1) at a current density of 0.2 A·g−1. The PZCC delivers an excellent cyclic stability (capacitance retention of 92.56%). Moreover, the PZCC-supercapacitors (SCs) can provide an energy density of 45.51 mWh cm−3 at a power density of 174.67 mWh·cm−3, suggesting the potential application in energy storage area.
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Electrospun carbon nanofiber inlaid with tungsten carbide nanoparticle by in-situ carbothermal reaction as bifunctional electrode for vanadium redox flow battery. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.137178] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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The State of the Art of Energy Harvesting and Storage in Silk Fibroin-Based Wearable and Implantable Devices. ELECTROCHEM 2020. [DOI: 10.3390/electrochem1040022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The energy autonomy of self-powered wearable electronics depends on the adequate development of new technologies for energy harvesting and energy storage devices based on textile fibers to facilitate the integration with truly flexible and wearable devices. Silk fiber-based systems are attractive for the design of biomedical devices, lithium-ion batteries and flexible supercapacitors, due to their nitrogen-rich structure (for preparation of hierarchical carbon-based structures), and available surface for chemical modification reinforcing electroactive properties for use in batteries and supercapacitors. Herein, this paper reviews recent advances on silk fiber-based systems for harvesting and the storage of energy and the corresponding strategies to reinforce the physical and chemical properties of the resulting composites applied as electrodes and battery separators.
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Pradhan S, Brooks A, Yadavalli V. Nature-derived materials for the fabrication of functional biodevices. Mater Today Bio 2020; 7:100065. [PMID: 32613186 PMCID: PMC7317235 DOI: 10.1016/j.mtbio.2020.100065] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/04/2020] [Accepted: 06/08/2020] [Indexed: 11/18/2022] Open
Abstract
Nature provides an incredible source of inspiration, structural concepts, and materials toward applications to improve the lives of people around the world, while preserving ecosystems, and addressing environmental sustainability. In particular, materials derived from animal and plant sources can provide low-cost, renewable building blocks for such applications. Nature-derived materials are of interest for their properties of biodegradability, bioconformability, biorecognition, self-repair, and stimuli response. While long used in tissue engineering and regenerative medicine, their use in functional devices such as (bio)electronics, sensors, and optical systems for healthcare and biomonitoring is finding increasing attention. The objective of this review is to cover the varied nature derived and sourced materials currently used in active biodevices and components that possess electrical or electronic behavior. We discuss materials ranging from proteins and polypeptides such as silk and collagen, polysaccharides including chitin and cellulose, to seaweed derived biomaterials, and DNA. These materials may be used as passive substrates or support architectures and often, as the functional elements either by themselves or as biocomposites. We further discuss natural pigments such as melanin and indigo that serve as active elements in devices. Increasingly, combinations of different biomaterials are being used to address the challenges of fabrication and performance in human monitoring or medicine. Finally, this review gives perspectives on the sourcing, processing, degradation, and biocompatibility of these materials. This rapidly growing multidisciplinary area of research will be advanced by a systematic understanding of nature-inspired materials and design concepts in (bio)electronic devices.
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Affiliation(s)
- S. Pradhan
- Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - A.K. Brooks
- Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - V.K. Yadavalli
- Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
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Fabrication of dual-hollow heterostructure of Ni 2CoS 4 sphere and nanotubes as advanced electrode for high-performance flexible all-solid-state supercapacitors. J Colloid Interface Sci 2020; 564:313-321. [PMID: 31918199 DOI: 10.1016/j.jcis.2019.12.074] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 12/15/2019] [Accepted: 12/16/2019] [Indexed: 11/22/2022]
Abstract
High-energy-density and flexible supercapacitors have shown numerous application potential in modern portable electronics. However, the relatively low specific capacity, poor rate retentions, and limited durability have hindered their implement. Herein, a novel hierarchical dual-hollow electrode, composed of a hollow Ni2CoS4 sphere and outer hollow Ni2CoS4 nanotubes (Ni2CoS4HS-HTs), is elaborately constructed. The Ni2CoS4HS-HT-5 exhibits a high specific capacity of 817.5 C g-1 at a current density of 1 A g-1 with remarkable rate retention of 75.3% at 50 A g-1. In an all-solid-state asymmetric supercapacitor of Ni2CoS4HS-HT-5//CAC, a high capacitance of 1511.5 mF cm-2 at 5 mA cm-2 is obtained with an exceptional energy density of 13.6 mWh cm-3 at a power density of 92.6 mW cm-3. In addition, the capacity retention reaches 96% over 2000 cycles at 20 mA cm-3, implying the outstanding durability. The flexibility and mechanical stability are demonstrated by the intact electrochemical performances under different bending angles. As a proof-of-concept, two Ni2CoS4HS-HT-5//CACs in series could successfully illuminate 31 LED indicators for more than 8 mins. These fascinating electrochemical performances benefit from the novel electrode structure and depict great potential for modern energy storage applications.
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Construction of flexible electrodes based on ternary polypyrrole@cobalt oxyhydroxide/cellulose fiber composite for supercapacitor. Carbohydr Polym 2020; 229:115455. [DOI: 10.1016/j.carbpol.2019.115455] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 10/06/2019] [Accepted: 10/06/2019] [Indexed: 02/08/2023]
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Carragher U, Branagan D, Breslin CB. The Influence of Carbon Nanotubes on the Protective Properties of Polypyrrole Formed at Copper. MATERIALS 2019; 12:ma12162587. [PMID: 31416225 PMCID: PMC6719176 DOI: 10.3390/ma12162587] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/06/2019] [Accepted: 08/12/2019] [Indexed: 11/25/2022]
Abstract
Protective polypyrrole films doped with dodecylbenzene sulfonate (DBS) were formed at copper, while carbon nanotubes (CNT) were incorporated within the polymer films with the DBS to give PPy-DBSCNT (polypyrrole films doped with DBS and incorporated CNT). The polymer films were deposited from a 0.05 M DBS solution at a pH of 6.0 at a thin polypyrrole film doped with tartrate, which served as a stable pre-layer. Low corrosion currents of 0.12 and 0.05 μA cm−2 were estimated using Tafel analysis for the PPy-DBS and PPy-DBSCNT films, respectively, while a significant reduction in the concentration of Cu2+ ions from the corroding copper was observed for the polymer-modified copper. The corrosion protection properties were attributed to the doping of the polymer by the large and immobile DBS anions and possibly, by the larger anionic micelles that are formed at a DBS concentration of 9.8 mM in the pyrrole-containing solution. These dopants give a negatively charged surface that repels chloride anions. The additional protective properties afforded by the CNTs appear to be related to the morphology of the CNT-modified polypyrrole coatings, while the functionalized CNTs also provide a negatively charged surface.
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Affiliation(s)
- Ursula Carragher
- Department of Chemistry, Maynooth University, Maynooth, Co. Kildare 08700, Ireland
| | - David Branagan
- Department of Chemistry, Maynooth University, Maynooth, Co. Kildare 08700, Ireland
| | - Carmel B Breslin
- Department of Chemistry, Maynooth University, Maynooth, Co. Kildare 08700, Ireland.
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