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Tushar SI, Anik HR, Uddin MM, Mandal S, Mohakar V, Rai S, Sharma S. Nanocellulose-based porous lightweight materials with flame retardant properties: A review. Carbohydr Polym 2024; 339:122237. [PMID: 38823907 DOI: 10.1016/j.carbpol.2024.122237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/03/2024] [Accepted: 05/04/2024] [Indexed: 06/03/2024]
Abstract
This review discusses the development and application of nanocellulose (NC)-aerogels, a sustainable and biodegradable biomaterial, with enhanced flame retardant (FR) properties. NC-aerogels combine the excellent physical and mechanical properties of NC with the low density and thermal conductivity of aerogels, making them promising for thermal insulation and other fields. However, the flammability of NC-aerogels limits their use in some applications, such as electromagnetic interference shielding, oil/water separation, and flame-resistant textiles. The review covers the design, fabrication, modification, and working mechanism of NC porous materials, focusing on how advanced technologies can impart FR properties into them. The review also evaluates the FR performance of NC-aerogels by employing widely recognized tests, such as the limited oxygen index, cone calorimeter, and UL-94. The review also explores the integration of innovative and eco-friendly materials, such as MXene, metal-organic frameworks, dopamine, lignin, and alginate, into NC-aerogels, to improve their FR performance and functionality. The review concludes by outlining the potential, challenges, and limitations of future research on FR NC-aerogels, identifying the obstacles and potential solutions, and understanding the current progress and gaps in the field.
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Affiliation(s)
- Shariful Islam Tushar
- Department of Design and Merchandising, Oklahoma State University, Stillwater, OK 74078, USA; Department of Apparel Engineering, Bangladesh University of Textiles, Tejgaon, Dhaka 1208, Bangladesh
| | - Habibur Rahman Anik
- Department of Apparel Engineering, Bangladesh University of Textiles, Tejgaon, Dhaka 1208, Bangladesh; Department of Chemistry and Chemical & Biomedical Engineering, University of New Haven, West Haven, CT 06516, USA
| | - Md Mazbah Uddin
- Department of Textiles, Merchandising, and Interiors, University of Georgia, 305 Sanford Dr., Athens, GA 30602, USA.
| | - Sumit Mandal
- Department of Design and Merchandising, Oklahoma State University, Stillwater, OK 74078, USA
| | - Vijay Mohakar
- Department of Textiles, Merchandising, and Interiors, University of Georgia, 305 Sanford Dr., Athens, GA 30602, USA
| | - Smriti Rai
- Department of Textiles, Merchandising, and Interiors, University of Georgia, 305 Sanford Dr., Athens, GA 30602, USA
| | - Suraj Sharma
- Department of Textiles, Merchandising, and Interiors, University of Georgia, 305 Sanford Dr., Athens, GA 30602, USA.
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Zhang Z, Zhu N, Teng Q, Wang J, Wan X. Fire-resistant and low-temperature self-healing bio-based hydrogel electrolytes based on peach gum polysaccharide/sisal nanofibers for flexible supercapacitors. Int J Biol Macromol 2024; 276:133759. [PMID: 38986983 DOI: 10.1016/j.ijbiomac.2024.133759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/20/2024] [Accepted: 07/07/2024] [Indexed: 07/12/2024]
Abstract
The introduction of flame retardancy and low-temperature self-healing capacities in hydrogel electrolytes are crucial for promoting the cycle stability and durability of the flexible supercapacitors in extreme environments. Herein, biomass-based dual-network hydrogel electrolyte (named PSBGL), was synthesized with borax crosslinked peach gum polysaccharide/sisal nanofibers composite, and its application in flexible supercapacitors was also investigated in detail. The dynamic cross-linking of the dual-network endows the PSBGL with excellent self-healing performance, enabling ultrafast self-healing within seconds at both room temperature and extreme low temperatures. The PSBGL bio-based hydrogel electrolyte can maintain the integrity of the carbon layer structure with limiting oxygen index of 56 % after 60 s of combustion under a flame gun. Additionally, the PSBGL exhibits high ionic conductivity (30.12 mS cm-1), good tensile strength (1.78 MPa), and robust adhesion to electrodes (1.15 MPa). The assembled supercapacitors demonstrate a high specific capacitance of 187.8 F g-1 at 0.5 A g-1, with 95.9 % capacitance retention rate after 10,000 cycles at room temperature. Importantly, even under extreme temperatures of 60 °C and -35 °C, the supercapacitors can also maintain high capacitance retention rates of 90.1 % and 86.5 % after 10,000 cycles. This work fills the gap between biomaterial design and high-performance flexible supercapacitors.
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Affiliation(s)
- Zuocai Zhang
- Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, PR China; College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, PR China
| | - Nannan Zhu
- Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, PR China
| | - Qijin Teng
- Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, PR China
| | - Jingwei Wang
- Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, PR China
| | - Xuejuan Wan
- Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, PR China.
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Liu Y, Cheng F, Li K, Yao J, Li X, Xia Y. Lightweight, flame retardant Janus carboxymethyl cellulose aerogel with fire-warning properties for smart sensor. Carbohydr Polym 2024; 328:121730. [PMID: 38220348 DOI: 10.1016/j.carbpol.2023.121730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 01/16/2024]
Abstract
Lightweight, flame retardant biomass aerogels combining with multi-functionalities are promising for thermal insulation, noise absorption and smart sensors. However, high flammability hinders the application of these aerogels in extreme condition. Herein, lightweight, flame retardant aerogel with fire-warning properties fabricated from resource-abundant graphite and green carboxymethyl cellulose (CMC) is reported. During sonicating expandable graphite (EG) in CMC solution, CMC not only fabricates the downsizing process via hydrogen bonding effect but also forms stable dispersions. Then biomass aerogel is fabricated by freeze-drying strategy and enhanced by metal ionic cross-linking method. This aerogel demonstrates Janus properties for electrical conductivity and thermal conductivity. Due to the synergistic flame retardant effect of graphite nanocomposite and metal ions with a barrier effect and catalytic carbonization capacity, the flame retardancy of these aerogels are enhanced with fire-warning properties. Furthermore, these aerogels are used for monitoring physical deformations as smart sensors, which provides inspiration and a sustainable solution for developing low-cost biomass aerogel with multifunction.
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Affiliation(s)
- Yide Liu
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Fangfang Cheng
- Qingdao Yuanhai New Material Technology co., Ltd, Qingdao 266000, China
| | - Kai Li
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Jiuyong Yao
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Xiankai Li
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China.
| | - Yanzhi Xia
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China.
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