An Efficient Strategy for Reinforcing Flexible Ceramic Membranes

Mao, Xue; Hong, Jie; Wu, Yuexia; Zhang, Qing; Liu, Jia; Li, Zhao; Li, Haihong; Wang, Yao‐Yu; Zhang, Kun

doi:10.1021/acs.nanolett.1c02657

Cited by 36 publications

(32 citation statements)

References 32 publications

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“…This enhanced rigidity of composites is caused by the in situ crosslinking reaction among porous silica materials in the fiber frameworks. 17,20 The mesoporous silica could be the extra bonding between the fiber joints to improve the overall mechanical robustness of composites. A previous study showed that the flexible composite has a compressive strength of 2.19 MPa, while the additive manufactured composite with 20 wt % fiber has a tensile strength of 15.84 MPa.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Nanoengineering Porous Silica for Thermal Management

Luigi

Petit

et al. 2022

ACS Appl. Nano Mater.

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Thermal insulation of solid materials originates from the nanoscale porous architectures to regulate thermal management in energy-critical applications from energy-efficient buildings to heat-sensitive energy devices. Here, we show nanoengineering of porous silica materials to control the architecture transition from mesoporous to nanocage networks. A low thermal conductivity of such a porous silica network is achieved at 0.018 W/(m K) while exhibiting a porosity of 92.05%, specific surface area of 504 m2/g, and pore volume of 2.37 cm3/g after ambient pressure drying. Meanwhile, the crosslinking of the porous silica and ceramic fiber frameworks show a tensile Young’s modulus of 2.8 MPa while maintaining high thermal insulation, which provides an effective thermal runway mitigation strategy for rechargeable lithium-ion batteries. The nanoengineering strategy reported here would shed light on achieving superthermal insulation of nanostructures for energy-critical applications.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Nanoengineering Porous Silica for Thermal Management

Luigi

Petit

et al. 2022

ACS Appl. Nano Mater.

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“…h SEM image of the MMT@ZrO 2 -SiO 2 nanofibers. The inset is the corresponding optical image of soft nanofibrous membrane [ 164 ]. i TEM image of MMT@ZrO 2 -SiO 2 nanofiber [ 164 ].…”

Section: Mechanical Behavior Of Electrospun Snfsmentioning

confidence: 99%

“…The inset is the corresponding optical image of soft nanofibrous membrane [ 164 ]. i TEM image of MMT@ZrO 2 -SiO 2 nanofiber [ 164 ]. j Stress–strain curves of ZrO 2 -SiO 2 and MMT@ZrO 2 -SiO 2 nanofibrous membranes [ 164 ].…”

Section: Mechanical Behavior Of Electrospun Snfsmentioning

confidence: 99%

Section: Mechanical Behavior Of Electrospun Snfsmentioning

confidence: 99%

“…In addition to improving the mechanical properties of nanofibers from the perspective of single nanofiber structure design, it is also an effective strategy to form stable and strong interface interaction between nanofibers. Mao and co-workers impregnated the as-prepared ZrO 2 -SiO 2 nanofibrous membranes in the montmorillonite (MMT) dispersion solution and successfully constructed cross-linked MMT nanosheets between ZrO 2 -SiO 2 nanofibers after subsequent calcination [ 164 ]. As is exhibited in Fig.…”

Section: Mechanical Behavior Of Electrospun Snfsmentioning

confidence: 99%

See 2 more Smart Citations

From 1D Nanofibers to 3D Nanofibrous Aerogels: A Marvellous Evolution of Electrospun SiO2 Nanofibers for Emerging Applications

Liu

Wang

et al. 2022

Nano-Micro Lett.

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One-dimensional (1D) SiO2 nanofibers (SNFs), one of the most popular inorganic nanomaterials, have aroused widespread attention because of their excellent chemical stability, as well as unique optical and thermal characteristics. Electrospinning is a straightforward and versatile method to prepare 1D SNFs with programmable structures, manageable dimensions, and modifiable properties, which hold great potential in many cutting-edge applications including aerospace, nanodevice, and energy. In this review, substantial advances in the structural design, controllable synthesis, and multifunctional applications of electrospun SNFs are highlighted. We begin with a brief introduction to the fundamental principles, available raw materials, and typical apparatus of electrospun SNFs. We then discuss the strategies for preparing SNFs with diverse structures in detail, especially stressing the newly emerging three-dimensional SiO2 nanofibrous aerogels. We continue with focus on major breakthroughs about brittleness-to-flexibility transition of SNFs and the means to achieve their mechanical reinforcement. In addition, we showcase recent applications enabled by electrospun SNFs, with particular emphasis on physical protection, health care and water treatment. In the end, we summarize this review and provide some perspectives on the future development direction of electrospun SNFs.

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Hierarchical Cellulose Superinsulation Membrane

Luigi

et al. 2023

Adv Eng Mater

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The environment‐friendly components coupled with the ability to mimic the simplicity and originality of nature necessitate advanced sustainable materials with structural capabilities for energy‐efficient applications. The use of feedstock deriving from plant‐based, renewable organic material to produce nanofibril that embodies enhanced insulating properties and high mechanical strength constitutes an efficient development strategy. Herein, a free‐standing, hierarchical superinsulation membrane by leveraging the principle of the bottom‐up method is reported. The electrospun cellulose nanofibrils/aerogel‐based core layer provides exceptional thermal properties with its thermal conductivity of 10.2 mW m−1K−1. The lightweight, flexible, and durable paper‐like membrane features a tensile strength of 11.3 MPa and a bending rigidity in the order of 4.6 cN mm−1. The hydrophobic superinsulation membrane material also exhibits a ΔT of ≈25 °C under continuous sunlight illumination and allows thermal runaway mitigation of rechargeable lithium‐ion batteries. All the aforementioned properties position this hybrid superinsulation membrane as a promising material for energy‐saving thermal management applications.

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An Efficient Strategy for Reinforcing Flexible Ceramic Membranes

Cited by 36 publications

References 32 publications

Nanoengineering Porous Silica for Thermal Management

Nanoengineering Porous Silica for Thermal Management

From 1D Nanofibers to 3D Nanofibrous Aerogels: A Marvellous Evolution of Electrospun SiO2 Nanofibers for Emerging Applications

Hierarchical Cellulose Superinsulation Membrane

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