German scientists set a record for hydrogen production from sunlight
Researchers from the Germanium Institute of Solar Energy Systems have demonstrated an experimental setup that directly converts sunlight into hydrogen. This was reported by Earth.uz.
The new technology achieved a record efficiency of thirty-one and three-tenths percent, placing it among the highest in the field. This breakthrough is expected to usher in a new era for the production of environmentally clean and affordable green hydrogen.
Currently, hydrogen production typically involves a two-step complex process: first, solar panels generate electricity, which is then used to power an electrolyzer that splits water into hydrogen and oxygen.
At each stage, a portion of the energy is inevitably lost. The innovation by German scientists eliminates this intermediate step, simplifying the process and reducing energy losses.
The core of the technological advancement lies in directly connecting solar components to proton-exchange membrane devices, which minimizes energy dissipation.
To achieve high efficiency, researchers employed photovoltaic technology that concentrates sunlight. Special lenses focus the solar rays onto a single point, directing them onto the photoelements.
These photoelements generate a voltage exceeding four volts, providing sufficient energy to power two series-connected water-splitting cells. As a result, water molecules are efficiently dissociated into their chemical elements.
Although the test module is small in scale, real-world trials have fully confirmed its high performance. Project leaders emphasize that the technology is still in its early development stage.
Therefore, it is still too early to specify exact timelines for when such devices will be mass-produced for commercial use. Currently, a team of specialists is working on establishing a separate company to bring the technology to market and attract investors.
For countries like Uzbekistan, which enjoy many sunny days, such technologies could become highly significant in the future. Storing and distributing solar energy directly in the form of hydrogen could significantly increase the efficiency of renewable energy sources.
According to the researchers, the direct integration of solar elements with hydrogen-producing devices is likely to become the most acceptable method for obtaining environmentally clean fuel in the future.
