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A piece of "paper" that is no more than 15 centimeters long and 1 millimeter thick can reach 1 farad in capacitance, comparable to supercapacitors
currently on the market.
This is the new material developed by researchers at the Organic Electronics Laboratory at Linköping University in Sweden in collaboration with their Danish and American counterparts – "energy paper" with outstanding energy storage capabilities, which is made of nanocellulose and conductive polymers and can be recharged hundreds of times, each charge taking only a few seconds
.
According to reports, this "energy paper" looks and feels a bit like plastic, and researchers even folded a swan to prove that it also has a certain strength
.
To develop the new material, they used high-pressure water to divide cellulose into fibers just 20 nanometers in diameter, and when the nanocellulose and an charged polymer were placed in an aqueous solution, the charged polymer formed a thin coating that covered the cellulose
.
These nanocelluloses are entangled, and the liquid in the voids can act as an electrolyte
.
The new material has set a new record for conductivity of both ions and electrons, which is why it has excellent energy storage performance
.
Unlike batteries and capacitors currently on the market, the raw materials used in "energy paper" are very simple, do not require hazardous chemicals or heavy metals, and are lightweight and waterproof
.
"Energy paper" is also like ordinary paper, and needs to be dewatered
during the manufacturing process.
The challenge is to develop an industrial-scale process to complete the dewatering process
.
It is reported that the research results have been published in the journal Advanced Science, and the Swedish Foundation for Strategic Research will grant
this research.
A piece of "paper" that is no more than 15 centimeters long and 1 millimeter thick can reach 1 farad in capacitance, comparable to supercapacitors
currently on the market.
This is the new material developed by researchers at the Organic Electronics Laboratory at Linköping University in Sweden in collaboration with their Danish and American counterparts – "energy paper" with outstanding energy storage capabilities, which is made of nanocellulose and conductive polymers and can be recharged hundreds of times, each charge taking only a few seconds
.
According to reports, this "energy paper" looks and feels a bit like plastic, and researchers even folded a swan to prove that it also has a certain strength
.
To develop the new material, they used high-pressure water to divide cellulose into fibers just 20 nanometers in diameter, and when the nanocellulose and an charged polymer were placed in an aqueous solution, the charged polymer formed a thin coating that covered the cellulose
.
These nanocelluloses are entangled, and the liquid in the voids can act as an electrolyte
.
The new material has set a new record for conductivity of both ions and electrons, which is why it has excellent energy storage performance
.
Unlike batteries and capacitors currently on the market, the raw materials used in "energy paper" are very simple, do not require hazardous chemicals or heavy metals, and are lightweight and waterproof
.
"Energy paper" is also like ordinary paper, and needs to be dewatered
during the manufacturing process.
The challenge is to develop an industrial-scale process to complete the dewatering process
.
It is reported that the research results have been published in the journal Advanced Science, and the Swedish Foundation for Strategic Research will grant
this research.
