Future mainstream battery technology

　　In fact, lithium-containing batteries are lithium-air batteries and lithium-sulfur batteries, but their technology is not yet ready, the actual application performance has yet to be tested, and whether its performance is better than that of lithium-ion batteries has not yet been confirmed.

　　1. Lithium-containing batteries In fact, lithium-containing batteries are lithium-air batteries and lithium-sulfur batteries, but their technology is not yet ready, and the actual application performance has yet to be tested, and whether its performance is better than that of lithium-ion batteries has not yet been confirmed. 2. Next-generation lithium-ion batteries In order to increase the energy density of lithium battery packs and reduce the number of raw materials required, researchers are currently improving the performance of existing lithium-ion batteries by enhancing or replacing the anode and cathode materials of the battery. According to the International Energy Agency's 2018 Electric Vehicle Outlook report, the new generation of lithium-ion batteries will achieve mass production around 2025. 3. Lithium-free batteries Various research teams are trying their best to break away from the way of thinking about lithium battery packs and try various methods such as graphene supercapacitors and sodium batteries. However, there are doubts whether such batteries can compete with lithium-ion batteries, which are lower cost and already have a good start. 4. Solid-state battery Solid-state lithium-ion battery means that all components in the battery structure exist in solid form, replacing the liquid electrolyte and separator of traditional lithium-ion batteries with solid electrolytes. Researchers have improved the degree of autonomous driving and extended the range of electric vehicles by replacing the liquid electrolyte in current lithium-ion batteries with a solid electrolyte. Solid-state lithium-ion batteries will have higher energy density and charge faster, while also being safer, more reliable, and longer-lasting. 5. Hydrogen fuel cell Hydrogen fuel cell uses the chemical element hydrogen to create a battery that stores energy. This kind of battery is pollution-free, noiseless and highly efficient, and is widely used in the aerospace field and automotive energy. The most representative lithium-free energy storage technology is the hydrogen fuel cell led by Hyundai, Toyota and Honda. However, expensive hydrogen fuel cell materials have hindered the development of this technology.

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