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Li P, Yang C, Wu C, Wei Y, Jiang B, Jin Y, Wu W. Bio-Based Carbon Materials for High-Performance Supercapacitors. Nanomaterials (Basel) 2022; 12:nano12172931. [PMID: 36079969 PMCID: PMC9457592 DOI: 10.3390/nano12172931] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/21/2022] [Accepted: 08/22/2022] [Indexed: 05/20/2023]
Abstract
Lignin, one of the components of natural plant biomass, is a rich source of carbon and has excellent potential as a valuable, sustainable source of carbon material. Low-cost lignosulfonate (LS) doped with polyaniline (PANI) has been used as a precursor to produce porous carbon. LS has a highly dispersed and sparse microstructure and can be accidentally doped with S atoms. N and S double-doped carbon can be directly synthesized with abundant mesopores and high surface area in a lamellar network using PANI as another doping source. This study explored the optimal conditions of LS/PANI material with different amounts of lignosulfonate and different carbonization temperatures. When the amount of lignosulfonate was 4 g and the carbonization temperature was 700 °C, graded porous carbon was obtained, and the electrochemical performance was the best. At 0.5 A/g, the specific capacitance reached 333.50 F/g (three-electrode system) and 242.20 F/g (two-electrode system). After 5000 charge/discharge cycles at 5 A/g, the material maintained good cycling stability and achieved a capacitance retention rate of 95.14% (three-electrode system) and 97.04% (two-electrode system). The energy and power densities of the SNC700 samples were 8.33 Wh/kg and 62.5 W/kg at 0.25 A/g, respectively, values that meet the requirements of today's commercially available supercapacitor electrode materials, further demonstrating their good practicality. This paper provides an efficient double-doping method to prepare layered structures. Porous carbon is used for electrochemical energy storage devices.
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Affiliation(s)
- Penghui Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Chi Yang
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Caiwen Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yumeng Wei
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Bo Jiang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yongcan Jin
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Wenjuan Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
- Correspondence: ; Tel.: +86-025-8542-7643
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Han Y, Wu W, Kong X, Li J, Yang X, Guo Y, Fu Y, Torun H, Xiang X, Tang Y, Zu X. Environment-friendly surface acoustic wave humidity sensor with sodium alginate sensing layer. Micro and Nano Engineering 2022. [DOI: 10.1016/j.mne.2022.100127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Kaschuk JJ, Al Haj Y, Rojas OJ, Miettunen K, Abitbol T, Vapaavuori J. Plant-Based Structures as an Opportunity to Engineer Optical Functions in Next-Generation Light Management. Adv Mater 2022; 34:e2104473. [PMID: 34699648 DOI: 10.1002/adma.202104473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 10/13/2021] [Indexed: 06/13/2023]
Abstract
This review addresses the reconstruction of structural plant components (cellulose, lignin, and hemicelluloses) into materials displaying advanced optical properties. The strategies to isolate the main building blocks are discussed, and the effects of fibrillation, fibril alignment, densification, self-assembly, surface-patterning, and compositing are presented considering their role in engineering optical performance. Then, key elements that enable lignocellulosic to be translated into materials that present optical functionality, such as transparency, haze, reflectance, UV-blocking, luminescence, and structural colors, are described. Mapping the optical landscape that is accessible from lignocellulosics is shown as an essential step toward their utilization in smart devices. Advanced materials built from sustainable resources, including those obtained from industrial or agricultural side streams, demonstrate enormous promise in optoelectronics due to their potentially lower cost, while meeting or even exceeding current demands in performance. The requirements are summarized for the production and application of plant-based optically functional materials in different smart material applications and the review is concluded with a perspective about this active field of knowledge.
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Affiliation(s)
- Joice Jaqueline Kaschuk
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Box 16300, Aalto, Espoo, 00076, Finland
| | - Yazan Al Haj
- Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Aalto, FI-00076, Finland
| | - Orlando J Rojas
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Box 16300, Aalto, Espoo, 00076, Finland
- Bioproducts Institute, Departments of Chemical Engineering, Department of Biological Engineering, Department of Chemistry, Department of Wood Science, 2360 East Mall, The University of British Columbia, Vancouver, BC, V6T 1Z3, Canada
| | - Kati Miettunen
- Department of Mechanical and Materials Engineering, Faculty of Technology, University of Turku, Turku, FI-20500, Finland
| | - Tiffany Abitbol
- RISE Research Institutes of Sweden, Stockholm, SE-114 28, Sweden
| | - Jaana Vapaavuori
- Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Aalto, FI-00076, Finland
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Zhang Y, Xu J, Wang H. Bio-based, self-adhesive, and self-healing ionogel with excellent mechanical properties for flexible strain sensor. RSC Adv 2021; 11:37661-37666. [PMID: 35496444 PMCID: PMC9043983 DOI: 10.1039/d1ra06686b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/17/2021] [Indexed: 02/05/2023] Open
Abstract
Bio-based ionogels with versatile properties are highly desired for practical applications. Herein, we designed a novel self-healing, anti-freezing, and self-adhesive ionogel with excellent sensor capability. The ionogel was obtained by cross-linking amino groups (chitosan) and aldehyde groups (dextran oxide) to form Schiff-base bonds in the ionic liquids (EMIMOAc) with TA. Ionogels inherited the superior electrical conductivity of ionic liquids (IG2, 1.1 mS cm-1). Due to the dynamic reaction of Schiff-base bonds, the obtained IG2 possessed self-healing properties (self-healing efficiency = 89%). The presence of TA also provided the ionogel with excellent self-adhesive properties (IG2/TA, adhesive strength to hogskin = 8.05 kPa). Owing to the low freezing point and low vapor pressure of ionic liquids, ionogels were endowed with anti-freeze properties and resistance to solvent volatility. Moreover, the ionogel can act as a strain sensor, and exhibited excellent sensitivity and sensing performance. Our work provided a green and effective method in preparation of the high performance ionogel sensor, which could accommodate future practical industrial applications.
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Affiliation(s)
- Yipeng Zhang
- West China Hospital of Sichuan University Chengdu 610041 China
| | - Junhuai Xu
- College of Biomass Science and Engineering, Sichuan University Chengdu 610065 P. R. China
| | - Haibo Wang
- College of Biomass Science and Engineering, Sichuan University Chengdu 610065 P. R. China .,National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University Chengdu 610065 PR China
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