Improving Thermal Safety of Silica Aerogels
Author Information
Author(s): Xu Lei, Sun Guanhua, Chen Jiahui, Wu Xiaoxu, Hu Min, Zhou Fang, Li Zhi
Primary Institution: Shenyang Fire Science and Technology Research Institute of MEM
Hypothesis
Can the incorporation of layered double oxides enhance the thermal safety of hydrophobic silica aerogels?
Conclusion
Incorporating layered double oxides into hydrophobic silica aerogels significantly improves their thermal stability and safety.
Supporting Evidence
- The introduction of layered double oxides does not affect the formation of silica aerogel.
- LDO/SA composites show enhanced thermal stability with increased decomposition onset and peak temperatures.
- The gross calorific value of LDO/SA decreases with increased LDO content, indicating improved thermal safety.
Takeaway
This study shows that adding special materials called layered double oxides to a type of gel makes it safer when it gets hot.
Methodology
The study involved synthesizing LDO/SA composites and evaluating their thermal stability and properties through various tests.
Limitations
The study does not address the long-term stability of the composites or their performance in real-world applications.
Digital Object Identifier (DOI)
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