Japanese researchers have developed a new type of power generation thin film material that can use human body temperature or computer heat sources to generate electricity. In the future, it is expected to use the heat emitted by automobile engines and factory pipes to generate electricity.
Researchers from the University of Nara Institute of Advanced Science and Technology in Japan reported on the online version of the American Advanced Functional Materials magazine that they coated organic carbon nanotubes such as “crown ethers†to make such thick About 1 mm film. When this kind of film is close to human skin, the interaction between carbon nanotubes and organic compounds will use the difference between the body temperature and the external temperature to generate electricity. This kind of power generation film has a low production cost and can be mass-produced.
The researchers who participated in the study said that although this material now has a power generation efficiency that is only about one-tenth that of solar cells, it can be applied to devices that can operate with only a small amount of electricity, such as measuring heart rate and blood pressure. Indicators of small medical equipment, you can use this mode of power generation. Researchers said that there is room for improvement in the future generation efficiency of this material.
In the experiment, this material was placed in an environment of 150 degrees Celsius for one month, and its power generation efficiency was hardly affected, showing strong durability. Researchers also said that in view of the fact that a considerable portion of current energy consumption is wasted in the form of heat emissions, in the future this type of power generation membrane is expected to use heat from automobile engine and plant piping as a heat source, thereby increasing the effective utilization of energy.
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