18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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26650 battery

release time:2024-06-06 Hits:     Popular:AG11 battery

The latest research can reduce the risk of 26650 battery short circuit and increase energy density

 

Recently, a study by Columbia University showed that by implanting boron nitride (BN) nanocoating, the electrolyte in lithium-ion batteries can be stabilized, thereby reducing the risk of battery short circuit. Moreover, the study said that replacing the graphite anode in lithium-ion batteries with lithium metal can also increase the energy density of the battery.

 

Through research, it was found that the charging capacity of lithium metal is theoretically about 10 times higher than that of graphite, so if lithium metal is used to replace the graphite anode in lithium-ion batteries, the energy density of the battery can be increased. However, during the lithium plating process, lithium dendrites are prone to form. If the dendrites penetrate the separator in the middle of the battery, it will cause the battery to short-circuit. However, solid ceramic electrolytes are not flammable and can also inhibit the growth of lithium dendrites, so solid ceramic electrolytes have great potential for use.

 

The liquid electrolyte inside lithium-ion batteries is also highly flammable, posing a risk of short circuit and fire. However, a 5 to 10 nanometer boron nitride (BN) nanofilm can be used as a protective layer to isolate the electrical contact between metallic lithium and the electrolyte. Boron nitride (BN) nanofilm is chemically and mechanically stable to lithium and has a high level of electronic insulation, so it can greatly improve the safety of lithium-ion batteries.


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