A research team in France has made significant strides in rechargeable battery materials with richer reserves and cheaper prices than the lithium materials commonly used today. According to foreign media reports, "18650" lithium batteries are commonly used in notebooks, LED flashlights, and Tesla Model S cars and other equipment, but the French National Science Center researchers for the first time developed the industry standard 18650 specifications Sodium ion battery.
The new 18650 sodium-ion battery uses sodium ion transport (instead of lithium-ion) to store and release electrical energy.
Solid-state chemist Jean-Marie Tarascon explains: "The sodium-ion battery disclosed today is directly inspired by lithium-ion technology."
In other words, as with lithium ions in lithium-ion batteries, sodium ions also migrate through the liquid from one electrode to the other during charging and discharging. In the battery life cycle, we also do not need to be modified materials.
Researchers are testing access to a sodium ion battery.
Researchers currently position this particular material for trade secrets, but the performance of prototype batteries has given an eye-opener. LITEN co-researcher Lo'c Simonin pointed out: "Its energy density and lithium iron phosphate lithium-ion batteries and other rivalry."
At present, lithium-ion batteries are lighter in weight than sodium ion materials, but the rarity of calcium is also its biggest drawback. In contrast, sodium is abundant and its content on the crust is over 2.6%.
Assemble a battery to test the sodium ion battery material (due to the metallic nature of the metallic sodium, the operator is well armed, including gloves).
The team hopes to push the inexpensive sodium-ion batteries to all areas of the European market as soon as possible:
"The adoption of the 18650 specification allows us to bring the concept to life quickly and to compare the performance of existing battery packs on the market in the same direction. Of course, we will also develop other specifications to meet the new requirements ".
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