The development of traditional lithium-ion battery pack technology is slow, and the space for further optimization is limited

　　Consumer electronics, automotive and grid storage are the three important applications of batteries. Xiao Bian calls these three industries the three major fields in which people connect with batteries. Each field has different requirements for batteries, so the batteries used may be quite different.

　　The mobile phone in your pocket should have a solid and safe battery, and the weight and cost should not be considered too much.

　　As for the automotive battery industry, there are a lot of batteries needed, so the cost, weight and cycle life (if the new Tesla needs to replace a new battery every two years, you will be crazy) become very important.

　　Batteries used to store electricity from houses and power grids do not require high weight or size.

　　Almost every part of the electronic industry needs batteries, which are also limited by the power output and energy life of batteries. The development or progress of battery is much slower than that of other fields. This is the limitation of battery itself. You can't expect a battery that can power your mobile phone for a week or a month. Because the maximum energy stored in the battery is determined by the inherent elements.

　　Lithium ion is the lightest alkali metal element, which has the characteristics of smaller, lighter and higher energy density, so it quickly replaces nickel battery. Among the components of the lithium-ion battery pack, there are iron phosphate, manganese, graphite, titanate and other metal and non-metallic materials. However, the mutual conversion of electrical energy and chemical energy can be realized only by the insertion and removal of the element "lithium ion" in the positive and negative electrodes, and the charging and discharging process can be finally completed.

　　However, the technological progress of lithium-ion battery pack is slow. At present, lithium ion batteries are far superior to lead-acid and nickel metal hydride batteries in terms of energy density, high and low temperature characteristics, and magnification performance, but they are still difficult to meet the rapidly rising demand for electronic products, electric vehicles, etc. Now the traditional lithium-ion battery technology is approaching the bottleneck, and the space for further optimization is limited.

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