Bio-inspired, sustainable and mechanically robust graphene oxide-based hybrid networks for efficient fire protection and warning

Cao, Cheng‐Fei; Yu, Bin; Guo, Bi-Fan; Hu, Wusheng; Sun, Feng‐Na; Zhang, Zhaohui; Li, Shi‐Neng; Wu, Wei; Tang, Long‐Cheng; Song, Pingan; Wang, Hao

doi:10.1016/j.cej.2022.134516

Cited by 125 publications

(53 citation statements)

References 77 publications

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“…Besides the above-mentioned fire alarming work, other studies also chose the "trigger electrical resistance" method to calculate the response time, indicating the fire alarm's sensitivity [60]. It is worth noting that the "trigger electrical resistance" in various systems is not identical, which is closely related to the impedance of the matrix material and the voltage value in an electrical circuit.…”

Section: Response Time Based On "Trigger Electricalmentioning

confidence: 99%

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Recent Advances on Early-Stage Fire-Warning Systems: Mechanism, Performance, and Perspective

Vázquez-López

Saeza

et al. 2022

Nano-Micro Lett.

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Early-stage fire-warning systems (EFWSs) have attracted significant attention owing to their superiority in detecting fire situations occurring in the pre-combustion process. Substantial progress on EFWSs has been achieved recently, and they have presented a considerable possibility for more evacuation time to control constant unintentional fire hazards in our daily life. This review mainly makes a comprehensive summary of the current EFWSs, including the working mechanisms and their performance. According to the different working mechanisms, fire alarms can be classified into graphene oxide-based fire alarms, semiconductor-based fire alarms, thermoelectric-based fire alarms, and fire alarms on other working mechanisms. Finally, the challenge and prospect for EFWSs are briefly provided by comparing the art of state of fire alarms. This work can propose a more comprehensive understanding of EFWSs and a guideline for the cutting-edge development direction of EFWSs for readers.

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Section: Response Time Based On "Trigger Electricalmentioning

confidence: 99%

“…On the basis of the superiority of GO, varied early fire sensors based on different substrates are reported [60,[68][69][70][71][72][73][74][75][76][77][78][79]. Eco-friendly paper is one of the substrates.…”

Section: Go-assisted Fire Alarmsmentioning

confidence: 99%

Recent Advances on Early-Stage Fire-Warning Systems: Mechanism, Performance, and Perspective

Vázquez-López

Saeza

et al. 2022

Nano-Micro Lett.

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“…Upon exposure to fire, graphene oxide (GO) is thermally reduced, and thus, a sharp decrease in resistance is exhibited. This unique feature of GO has been utilized to fabricate early fire-warning sensors. − However, the inherent non-conductivity of GO before burning hinders its use as an EMI shielding material. Very recently, highly conductive MXene emerges as a promising fire-warning material owing to its good thermoelectric property, which allows the generation of electrical signals under the action of a temperature gradient without the use of an external power. ,− However, as far as we know, there is only one work that reports the MXene-enabled dual functions of EMI shielding and early fire warning, which is based on a composite aerogel containing phosphated lignocellulose nanofibrils, gelatin, and MXene .…”

Section: Introductionmentioning

confidence: 99%

Multifunctional MXene/Aramid Nanofiber Composite Films for Efficient Electromagnetic Interference Shielding and Repeatable Early Fire Detection

Peng

Wang

et al. 2022

ACS Omega

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Rapid development of highly integrated electronic and telecommunication devices has led to urgent demands for electromagnetic interference (EMI) shielding materials that incorporate flame retardancy, and more desirably the early fire detection ability, due to the potential fire hazards caused by heat propagation and thermal failure of the devices during operation. Here, multifunctional flexible films having the main dual functions of high EMI shielding performance and repeatable fire detection ability are fabricated by vacuum filtration of the mixture of MXene and aramid nanofiber (ANF) suspensions. ANFs serve to reinforce MXene films via the formation of hydrogen bonding between the carbonyl groups of ANFs and the hydroxyl groups of MXene. When the ANF content is 20 wt %, the tensile strength of the film is increased from 24.6 MPa for a pure MXene film to 79.5 MPa, and such a composite film (9 μm thickness) exhibits a high EMI shielding effectiveness (SE) value of ∼40 dB and a specific SE (SSE) value of 4361.1 dB/mm. Upon fire exposure, the composite films can trigger the fire detection system within 10 s owing to the thermoelectric property of MXene. The self-extinguishing feature of ANFs ensures the structural integrity of the films during burning, thus allowing for continuous alarm signals. Moreover, the films also exhibit excellent Joule heating and photothermal conversion performances with rapid response and sufficient heating reliability.

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“…Typically, pristine GO networks are electrically insulated due to oxygen-containing functional groups in their structure [17][18][19]. On encountering a flame, the reduction of oxygen groups in the insulating GO network can chang it into an electrically conductive rGO one [20][21][22], thus providing a rapid flame-detection response time (normally less than 10 s [11,14,[23][24][25][26][27]). On the other hand, GO-based fire-warning materials also offer an ideal fire early-warning signal that can be activated below the ignition temperatures of most flammable materials, e.g., 232 s at 200 • C and 35 s at 300 • C for 3 -mercaptopropyltrimethoxysilane modified-GO nanocomposite paper [13].…”

Section: Introductionmentioning

confidence: 99%

Facile Fabrication of Graphene Oxide Nanoribbon-Based Nanocomposite Papers with Different Oxidation Degrees and Morphologies for Tunable Fire-Warning Response

Qiu

Zhou³

et al. 2022

Nanomaterials

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Smart fire-warning sensors based on graphene oxide (GO) nanomaterials, via monitoring their temperature-responsive resistance transition, have attracted considerable interest for several years. However, an important question remains as to whether or not different oxidation degrees of the GO network can produce different impacts on fire-warning responses. In this study, we synthesized three types of GO nanoribbons (GONRs) with different oxidation degrees and morphologies, and thus prepared flame retardant polyethylene glycol (PEG)/GONR/montmorillonite (MMT) nanocomposite papers via a facile, solvent free, and low-temperature evaporation-induced assembly approach. The results showed that the presence of the GONRs in the PEG/MMT promoted the formation of an interconnected nacre-like layered structure, and that appropriate oxidation of the GONRs provided better reinforcing efficiency and lower creep deformation. Furthermore, the different oxidation degrees of the GONRs produced a tunable flame-detection response, and an ideal fire-warning signal in pre-combustion (e.g., 3, 18, and 33 s at 300 °C for the three PEG/GONR/MMT nanocomposite papers), superior to the previous GONR-based fire-warning materials. Clearly, this work provides a novel strategy for the design and development of smart fire-warning sensors.

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Bio-inspired, sustainable and mechanically robust graphene oxide-based hybrid networks for efficient fire protection and warning

Cited by 125 publications

References 77 publications

Recent Advances on Early-Stage Fire-Warning Systems: Mechanism, Performance, and Perspective

Recent Advances on Early-Stage Fire-Warning Systems: Mechanism, Performance, and Perspective

Multifunctional MXene/Aramid Nanofiber Composite Films for Efficient Electromagnetic Interference Shielding and Repeatable Early Fire Detection

Facile Fabrication of Graphene Oxide Nanoribbon-Based Nanocomposite Papers with Different Oxidation Degrees and Morphologies for Tunable Fire-Warning Response

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