How can we maximize the effectiveness of lithium batteries?

Foreign media today published an article on the principles, shortcomings and future development trends of lithium batteries for mobile devices. The batteries used in mobile devices are the result of chemical engineering: storing large amounts of energy in a small cube can keep mobile devices running for several hours. How does it work? How to make the most of it? Today, most mobile phones use lithium batteries, and the early use of nickel-cadmium batteries. Chemistry. The batteries used in mobile devices are the result of chemical engineering: a large amount of storage in a small cube Energy can keep the equipment running for several hours. How does it work? How to make the most of it? Most modern mobile devices use lithium batteries, which are mainly composed of two parts: a pair of electrodes and the electrolyte between them. There are many kinds of electrode materials, including lithium, graphite, and even nanowires, but they all rely on the chemical composition of lithium. It is an active metal, so it is easy to combine with other elements. Pure lithium is very active, it can even ignite spontaneously in the air, so most batteries use lithium cobalt oxide, which is becoming safer. Between the two electrodes is an electrolyte, usually a liquid organic solvent, allowing electrons to move between them. When a lithium battery is charged, the lithium cobalt oxide molecules capture electrons and release them during the life of the battery, supporting the operation of the phone. Lithium is the most common battery type because it can store the most energy in the smallest space. This demand is measured by energy density, that is, the energy stored per kilogram of the battery, in watt hours (wh). The energy density of lithium batteries is generally 150 to 250 watt-hours per kilogram, while the energy density of nickel-hydrogen batteries is only 100 watt-hours per kilogram. In other words, lithium batteries are smaller and lighter than other types of batteries, so they can compress the volume of the device, but still maintain a longer battery life. This chemical process can be summarized as: the battery in the device can store energy, and then the internal chemical substances can release energy in any possible way. But it can also cause some problems, such as the battery of the latest Boeing 787 Dreamliner will catch fire when it is docked. This is one of the shortcomings of lithium batteries: if the battery is discharged too much, the internal chemical substances will decompose, and too much lithium oxide will appear, then the lithium oxide will burn, and more lithium oxide will appear, and so on. Chemists call this heat escape, and ordinary people see fire. This is why the Boeing 787 was grounded by the FAA. Because the same thing happens when a battery is punctured, the Transportation Security Administration (TSA) advises airline passengers to keep the battery in their carry-on luggage, rather than in the mail. Battery capacity The unit of battery capacity is milliampere hour (mAh), which represents all the energy that the battery can supply. For example, if a battery has a capacity of 1000 mA, it can supply 1000 mA of current for 1 hour. Assuming your device has 500 mA of current, the battery can last about two hours. But the battery life of a device is more confusing, because the exact amount of power a particular device consumes depends on the tasks it performs. If the screen is turned on, wireless transmission is turned on, and the processor is running at full speed, it will consume more energy than the screen is turned off, wireless transmission is turned off, and the processor is idle. This is why consumers should be more cautious about battery life. Perhaps the reason is to reduce the brightness of the screen or turn off some parts of the battery to extend the battery life. Assuming you are curious enough to use some specialized applications to monitor the power consumption and battery of your mobile device, both the battery monitoring widget on Android and BaterryLifePro on iOS can work. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous article: The current mainstream lithium battery assembly method