"Breathable" high-density super large -Lithium - Ion Battery Equipment

"Breathable" high-density super large lithium battery -Lithium - Ion Battery Equipment

According to foreign media reports, the sales of electric vehicles almost doubled in 2013, but most electric vehicles can run up to 100 miles (about 161 kilometers) at a time. In order to enable electric vehicles to charge more than 300 miles at a time, researchers are continuing to develop a "breathing" battery, which is expected to replace the lithium-ion battery currently used in electric vehicles in the future. Researchers recently presented their achievements at the 247th National Congress and Exhibition of the American Chemical Society held in Dallas.(Lithium - Ion Battery Equipment)

"Lithium air batteries are light in weight and have a large storage capacity. Many people hope to use them in electric vehicles in the future," said Dr. Nishiyanzhi of Sanchong University in Japan

The important difference between lithium ion battery and lithium air battery is that the latter replaces the traditional negative plate, the key component of the battery for current flow, with air. This makes the metal air rechargeable battery lighter, which can store more energy.

The important component that researchers are studying is the electrolyte of the battery, which can conduct electricity between electrodes. There are four electrolyte designs, one of which uses water. The advantage of this "water containing" design over other designs is that it can prevent lithium from interacting with the gas in the air and enable the air electrode to react quickly. The disadvantage is that direct contact between water and lithium will damage lithium.

It is understood that the actual energy density of this system exceeds 300Wh/kg, while the commercial lithium ion battery is only about 150Wh/kg.



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