Future rechargeable battery or never failure? Self-repair

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

The biggest problem with the lithium-ion battery is now more and more times you charge it, and its negative electrode polymerization has become getting worse. This is obviously a big obstacle about our mobile future. Recently, a research team from Stanford University has developed a battery that can be self-healing, that is, it can be never failure.

In recent years, the researchers have been efforts to improve the energy density of lithium electrons under the premise of reducing weight. Recently, an exciting discovery comes from the addition of silicon on the electrode, which makes the battery's electrical capacity exceeds the current capacity of the oxide in the battery. The physical expansion of silicon can reach 300%, and electrons can be effectively reduced after expansion, which makes this material to complete splitting during short several charge and discharge.

This self-healing compound is developed by Wang Chao (transliteration) from Stanford and Wu Hui, Beijing Tsinghua University, which can fix itself in an instant. "We found that the addition of self-healing compounds on the silicon electrode can extend its 10x life, and repaired the previous split in a few hours," Stanford's Pao Zhen'an (transliteration) said Professor Bao Zhen'an Has helped develop electronic robot shells with elasticity. "Self-healing has a non-small significance, we want to integrate this property into a lithium-ion battery and extend its service life.

"Professor Wang said in a published article. Current battery technology can only guarantee that there is no attenuation within 100 charging circulation. The research team hopes that the battery of self-healing technology can ensure that the mobile phone 500 charging cycle does not attenuate, and the electric vehicle is not attenuated by 3,000 charging cycles.

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