What is the material of the fast charging mobile phone battery that can charge 70% in 2 minutes?

　　(1) There have been quick charging batteries before, but the service life is a problem. It usually needs to be replaced within about 2 years. However, researchers at Nanyang Technological University in Singapore have solved this problem. They spent three years developing a new type of super fast charging battery, which can not only charge quickly, but also have a service life of up to 20 years. Unlike the traditional lithium-ion battery which uses graphite as its electrode, this new battery uses titanium dioxide nanotubes as its electrode. This material can not only accelerate the chemical reaction of the battery, but also continuously charge and discharge 10000 times, while ordinary lithium ion batteries can only charge and discharge 500 times. The researchers did not say when the battery would be available, but the TiO2 nanotubes used were very easy to produce and relatively cheap. The researchers said that the breakthrough of this technology will have a broad impact on all industries, especially in the field of electric vehicles that need to extend battery life. The insiders said that from the most basic level, this technology can prevent some electronic devices from being eliminated. That is to say, the user can only replace the device when the device cannot meet the demand, not when the battery cannot be charged or the battery life is short after charging

　　(2) In addition, this technology will really have a great impact on electric vehicles. First, users can charge by minute instead of by hour. Secondly, users do not need to replace more expensive battery packs frequently before they are ready to phase out the entire electric vehicle. It is often said that the service life of mobile phones is related to the charging time. The charging times of mobile phone battery are generally about 500 times. Where did this come from? In fact, the number of cell phone batteries refers to the number of times that cell phone batteries are charged and discharged in a cycle. Charging cycle refers to the process of all batteries from full to empty, then from empty to full, which is not equal to charging once. For example, lithium batteries consume only half of their power on the first day and then fully charge. If this is still the case the next day, that is, half of the charges are charged and the total number of charges is two, which can only be counted as one charging cycle, not two

　　(3) Therefore, it may take several times to complete a cycle. The battery capacity will decrease slightly after each charging cycle. However, the reduction of power consumption is very small. After several cycles, the high-quality battery will still maintain 80% of its original capacity. Many lithium battery powered products will still be used after two or three years. Of course, lithium batteries still need to be replaced after their final service life. What should I pay attention to when charging? First, do not start the lithium ion battery. The battery is factory activated. You don't have to deliberately activate the new phone battery. It is better to use the original charger to charge the battery. Lithium ion batteries should be charged when in use. Don't wait for the battery to run out before using it. The best charging method is to charge the phone when the battery level is below 20%. Avoid charging your phone overnight. Although lithium ion battery has little impact on long-term charging loss, it has unsafe characteristics, and long-term charging will cause serious consequences. Do not use the mobile phone when charging the mobile phone, which will adversely affect the charging circuit and battery of the mobile phone, and there will be unsafe factors. Avoid using the phone at high or low temperatures, which may affect the battery life of the phone.

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