Recently, Apple has been criticized for deliberately reducing the performance of the old battery-backed iPhone. Although it argued that the move was an accidental shutdown of the old iPhone model to prevent battery performance degradation, it is undeniable that it did deliberately reduce the old model. performance. A groundbreaking new invention in recent days will give Apple no reason to limit the performance of older models. Singapore’s Nanyang Technological University (NTU) researchers claimed to have invented a technology that allows lithium-ion batteries to return to 95% capacity within 10 hours. The rapid rejuvenation of old batteries will have a profound impact on the electronics and electric vehicle industries.
Lithium-ion batteries, because of their design, cannot maintain the original capacity of the battery as the number of uses increases. Generally, it drops to 80-85% capacity after 300-500 charge-discharge cycles. If the electronic device using a lithium ion battery wants to restore its battery life, it must replace the old battery. Prof. Rachid Yazami of NTU said that his invention can restore old lithium batteries to 95% capacity within 10 hours, and can repeat the recovery capacity operation on the same battery every few years, which will greatly improve the electronic equipment. The lifespan of lithium-ion batteries such as electric vehicles, and the industry, can greatly reduce the waste of lithium-ion batteries, and also have significant implications for environmental issues. In the Straits Times, Prof. Yazami said that the invention is even more significant for the change in the electric vehicle industry. “People don’t change vehicles like smartphones. People generally switch for a mobile phone for two years, but the life of the car may continue. Years or more.†After his invention was announced, he said that industry giants including Apple, Samsung, and Panasonic have expressed interest in the invention.
The invention adds a third electrode between two existing electrodes in each lithium-ion battery. The third electrode discharges residual lithium ions from one pole to the other so that the removal affects the performance of the battery and prevents the battery from storing more. The "impurity content" of electronics, which he has set up last year, has been tested on prototype smartphones.
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