An oxygen concentrator uses the air in the atmosphere, filters it, and gives you air that is 90%-95% oxygen. Your doctor may prescribe one for you if you have a health condition that causes your ...

The oxygen concentrator maintains a steady supply of oxygen to the user while it is being produced. This generally requires a heavier model with more power, and some oxygen is wasted along the way.

Researchers in China have build a 10 kW spectral-splitting concentrator agrivoltaic system that accomodates small farming equipment below it. The installation relies on 128 concentrator modules ...