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It only takes 7 seconds to charge and you can last 35 kilometers! Scientists from the Shanghai Institute of Ceramics, Chinese Academy of Sciences, have successfully developed a high-performance supercapacitor electrode material, nitrogen-doped ordered mesoporous graphene, which has excellent electrochemical energy storage characteristics and can be used as a "super battery"
for electric vehicles.
Supercapacitor is an electrochemical energy storage device
between traditional capacitors and batteries.
Due to its high power density, long cycle life, safety and reliability, it has been widely used in hybrid electric vehicles, high-power output equipment and other fields
.
However, supercapacitors are not "perfect", and the core problem is their low
energy density.
How to make supercapacitors have both high power and high energy, scientists have not found the ideal material
for a long time.
In order to solve this problem, the Shanghai Institute of Ceramics of the Chinese Academy of Sciences, together with Peking University and the University of Pennsylvania, carried out continuous research
.
In the end, Huang's research team found that graphene is the best choice
for supercapacitor electrodes.
Through trial and error, design and synthesis, Huang Fuqiang's team found that nitrogen-doped ordered mesoporous graphene had the best
performance.
It can not only achieve high energy density and high power density, but also achieve non-toxic, environmentally friendly, inexpensive, safe and reliable
through the use of water-based electrolytes.
It is understood that the new graphene supercapacitor is lightweight, non-flammable and not explosive, and can be prepared at low cost to achieve large-scale production
.
Because the performance has obvious competitive advantages compared with lead-acid, nickel-metal hydride and other batteries, and is superior to lithium batteries in fast charging and discharging, the "super battery" can be applied to the replacement of existing hybrid electric vehicles and high-power output equipment
.
It only takes 7 seconds to charge and you can last 35 kilometers! Scientists from the Shanghai Institute of Ceramics, Chinese Academy of Sciences, have successfully developed a high-performance supercapacitor electrode material, nitrogen-doped ordered mesoporous graphene, which has excellent electrochemical energy storage characteristics and can be used as a "super battery"
for electric vehicles.
Supercapacitor is an electrochemical energy storage device
between traditional capacitors and batteries.
Due to its high power density, long cycle life, safety and reliability, it has been widely used in hybrid electric vehicles, high-power output equipment and other fields
.
However, supercapacitors are not "perfect", and the core problem is their low
energy density.
How to make supercapacitors have both high power and high energy, scientists have not found the ideal material
for a long time.
In order to solve this problem, the Shanghai Institute of Ceramics of the Chinese Academy of Sciences, together with Peking University and the University of Pennsylvania, carried out continuous research
.
In the end, Huang's research team found that graphene is the best choice
for supercapacitor electrodes.
Through trial and error, design and synthesis, Huang Fuqiang's team found that nitrogen-doped ordered mesoporous graphene had the best
performance.
It can not only achieve high energy density and high power density, but also achieve non-toxic, environmentally friendly, inexpensive, safe and reliable
through the use of water-based electrolytes.
It is understood that the new graphene supercapacitor is lightweight, non-flammable and not explosive, and can be prepared at low cost to achieve large-scale production
.
Because the performance has obvious competitive advantages compared with lead-acid, nickel-metal hydride and other batteries, and is superior to lithium batteries in fast charging and discharging, the "super battery" can be applied to the replacement of existing hybrid electric vehicles and high-power output equipment
.
