New Bio-Solar Panels
Author: Source: Datetime: 2017-11-29 13:21:15
Imperial Institute of Technology's Marin Sawa said: "The cheap, accessible, environmentally-friendly, solar power generator biodegradable batteries without any heavy metals and plastics are all required for us and our environment, and our research shows that this technology Completely achievable. "
Cyanobacteria are important organisms for all inhabitants of the earth, including ours. They are photosynthetic organisms that have lived on the planet for billions of years. 2.45 billion years ago, organisms must rely on sulfate for the energy they need. But for the first time during the Great Oxidation event, oxygen became an important component of Earth's atmosphere, suggesting that cyanobacteria have begun to make sugar and oxygen from sunlight, water and carbon dioxide. (NetEase editor Note: large oxidation event, refers to about 2.6 billion years ago, the sudden increase in atmospheric oxygen content of the incident, the specific reasons have not yet proven)
Sawa and colleagues have now shown that cyanobacteria can be used as an ink and printed onto conductive carbon nanotubes using a common ink jet printer. These carbon nanotubes can again be ink-jet printed on a sheet of paper to etch a simple battery. These bacteria can survive these processes and continue to supply 100 hours of electrical energy continuously in day and night cycles.
However, they do not generate much electricity, and the nine solar cells that are connected together can power the digital clock or LED flash. But it is enough to get some applications, such as disposable environmental sensors that are dressed up as wallpaper, or paper sensors to monitor diabetics.
Bio-solar cell technologies that utilize cyanobacteria or algae to convert light into electricity have not really been exploited. Cost, low output and short life are barriers that prevent this technology from reaching large-scale industrial applications. But British researchers claim that the inkjet printing they invented has confirmed the potential of the technology for large-scale applications.
Dr. Andrea Fantuzzi, co-author of the study at the Imperial College London School of Life Sciences, said: "Paper solar cell technology is not intended to replace the traditional solar cell technology in the large-scale power generation industry, but to be used as a Also biodegradable, and their low output means they are more suitable for those environments that require less energy, such as environmental sensors and biosensors. "
The current paper bio-solar cells are palm-sized. The Next Step The research team will carry out a proof of concept on A4-size paper to make sure that a larger scale of power output can be achieved.
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