Aerogel is a material with extremely low density and high specific surface area. Due to its excellent thermal insulation properties and lightweight characteristics, it has received widespread attention. In the application of aerogel, aerogel sheets and aerogel plates are two common forms. Although they both originate from aerogel materials, there are some significant differences in structure, performance and application. 
1. Morphology 
From a morphological perspective, the aerogel mat exhibits a soft and rollable state, similar to traditional felt or fiber mats. This form gives the aerogel mat greater flexibility in situations where it needs to be filled, wrapped, or covered. 
In contrast, the aerogel board is a rigid and flat sheet, with a more stable form. It is suitable for applications that require structural support or flat laying. 
2. Preparation Process 
In terms of the preparation process, there are differences between aerogel mats and aerogel plates. Aerogel mats are usually made by combining aerogel materials with inorganic fibers and through special processing. This preparation process enables aerogel mats to maintain lightweight and thermal insulation properties while also having certain flexibility and plasticity. 
The aerogel board is produced by combining silica aerogel with special fibers to create a rigid nanoporous insulation panel. It has an extremely low thermal conductivity and excellent high-temperature resistance, making it the best product among rigid insulation materials. 
3. Application Areas 
In terms of application fields, aerogel mats and aerogel plates each have their own advantages. The aerogel mats, due to their soft and rollable nature, are more suitable for situations requiring filling, wrapping or covering, such as building insulation, pipeline insulation, and cold chain logistics. While the aerogel plates, with their hard and flat characteristics, are more suitable for scenarios that require structural support or flat laying, such as aerospace, automotive manufacturing, and building energy conservation. 
In conclusion, there are significant differences in morphology, preparation process, and application fields between aerogel mats and aerogel plates. The choice of which material to use depends on the specific application requirements and scenarios.