Abstract
Transparent and insulating materials having evacuated capsules are provided. According to an aspect of the invention, a method includes forming evacuated capsules within a solution, and dispersing and suspending the evacuated capsules within the solution such that a packing density of the evacuated capsules within the solution is greater than 30%, and a visible light transmission of the solution including the evacuated capsules is greater than 75%. According to another aspect of the invention, a layer includes a plurality of evacuated capsules distributed within a dried sol-gel. A thermal conductivity of the layer is between 0.02 W/m-K and 0.001 W/m-K, and the layer has a visible light transmission of greater than 30%.
| Original language | American English |
|---|---|
| Patent number | 10,865,136 B2 |
| Filing date | 15/12/20 |
| State | Published - 2020 |
NREL Publication Number
- NREL/PT-5K00-78745
Keywords
- layer
- photovoltaics
- sol-gel method
- solution