Goodenough is a famous solid physicist, one of the founders of lithium cobalt oxide, lithium manganese oxide and lithium iron phosphatecathode materials, one of the founders of lithium-ion batteries, known by the industry as "the father of lithium." He has made an important contribution to the field of materials science and technology, especially lithium ion batteries.
For the newly invented solid-state lithium battery, Goodenough said:"Cost, safety, energy density, charge and discharge rates, cycle life, are critical to the wider use of battery-powered vehicles, and we believe that our invention addresses many of the inherent problems in today's batteries."
The advantages of a new solid-state battery
1. Higher energy density: the energy density of this new battery is at least three times that of today's lithium batteries.
2. Charge and discharge cycles more: in the experiment, the researchers used the battery can cycle 1200 times with low resistance.
3. Charging faster: in addition, it is faster to charge (from a few hours to a few minutes).
4. Safety: researchers use "glass electrolytes" instead of liquid electrolytes, making the alkali metal anode does not form "dendrites."
5. Run under cold conditions: solid glass electrolyte can run at minus 20 degrees Celsius temperature conditions, with high conductivity.
6. The manufacturing process is simple: this kind of glass electrolyte, so that engineers can be plated on the anode and cathode or peeling off the alkali metal, without "dendrite", which can "simplify the battery manufacturing process."
7.Material is environmentally friendly and rich in resources: the battery can be made of environmentally friendly materials. Braga said:"This kind of glass electrolyte uses low cost sodium instead of lithium. Sodium can be extracted from seawater and the source is very rich."
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