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Japanese researchers have developed a new type of power generation film material, which can use human body temperature or computer heat sources to generate electricity, and in the future, it is expected to use the heat emitted by automobile engines and factory pipes to generate electricity
.
Researchers at Nara Advanced Institute of Science and Technology in Japan report in the online edition of the American journal Advanced Functional Materials that they coated the surface of materials made of carbon nanotubes with organic compounds such as "crown ether" to create this film
about 1 millimeter thick.
When the film is close to human skin, the interaction between carbon nanotubes and organic compounds uses the difference between body temperature and external ambient temperature to generate electricity
.
This power generation film has a low production cost and can be mass-produced
.
The researchers involved in the study said that although the power generation efficiency of this material is only about one-tenth of that of solar cells, it is enough to be applied to equipment that can operate with only a weak amount of electricity, such as some small medical devices that measure health indicators such as heart rate and blood pressure.
The researchers say there is room for improvement in the material's power generation efficiency in the future
.
In experiments, the material was exposed to an environment of 150 degrees Celsius for a month, and its power generation efficiency was hardly affected, showing strong durability
.
The researchers also said that since a significant part of today's energy consumption is wasted in the form of heat emissions, in the future, this power generation film is expected to use heat emitted by car engines and factory pipes as a heat source, thereby improving the efficient use of
energy.
Japanese researchers have developed a new type of power generation film material, which can use human body temperature or computer heat sources to generate electricity, and in the future, it is expected to use the heat emitted by automobile engines and factory pipes to generate electricity
.
Researchers at Nara Advanced Institute of Science and Technology in Japan report in the online edition of the American journal Advanced Functional Materials that they coated the surface of materials made of carbon nanotubes with organic compounds such as "crown ether" to create this film
about 1 millimeter thick.
When the film is close to human skin, the interaction between carbon nanotubes and organic compounds uses the difference between body temperature and external ambient temperature to generate electricity
.
This power generation film has a low production cost and can be mass-produced
.
The researchers involved in the study said that although the power generation efficiency of this material is only about one-tenth of that of solar cells, it is enough to be applied to equipment that can operate with only a weak amount of electricity, such as some small medical devices that measure health indicators such as heart rate and blood pressure.
The researchers say there is room for improvement in the material's power generation efficiency in the future
.
In experiments, the material was exposed to an environment of 150 degrees Celsius for a month, and its power generation efficiency was hardly affected, showing strong durability
.
The researchers also said that since a significant part of today's energy consumption is wasted in the form of heat emissions, in the future, this power generation film is expected to use heat emitted by car engines and factory pipes as a heat source, thereby improving the efficient use of
energy.
