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Issue 24, 2022 - Successful development of a separator for sodium-ion batteries

 Last Update: 2022-12-30
 Source: Internet
 Author: User

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Recently, Enjie Co.
, Ltd.
has successfully developed a special functional separator for sodium-ion batteries with a "sandwich" structure, filling the market gap
.
In early 2021, Enjie established a technical team led by provincial scientific and technological innovation leaders, and has invested more than 10 million yuan in scientific research funds
.

The separator is composed of a base film + inorganic functional layer + organic functional layer, in which the inorganic functional layer applies materials with high thermal stability, can effectively inhibit manganese dissolution and enrichment, has high ion transport capacity and low electronic conductivity, and has good wettability and interfacial adhesion; The organic functional layer has a wide electrochemical window, which effectively increases the cycle life by 20%, reduces the internal resistance by 10%, improves the rate performance by 15%, inhibits the formation of sodium dendrites, improves charge distribution, and improves battery safety
through organic-inorganic coordination.

At present, the new functional separator has completed laboratory development and is accelerating commercial verification
.

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