Byd began to invest in the research and development of solid-state lithium batteries as early as 20 16. At present, there are a large number of related patents in China, ranking first in China. At present, two technical routes of oxide solid-state lithium battery and sulfide solid-state lithium battery have been produced and can be tested in the car.
The first BYD solid-state battery model will be a hard-core SUV expected by its million-level high-end brands. In addition to BYD's self-use models, BYD's first batch of all-solid-state batteries will also be supplied to other enterprises, and may give priority to brands such as Mercedes-Benz, BMW, Audi and Hongqi.
Brief introduction of solid-state battery
Solid-state battery is a battery technology. Different from commonly used lithium-ion batteries and lithium-ion polymer batteries, solid-state batteries are batteries using solid electrodes and solid electrolytes.
Because the scientific community believes that lithium-ion batteries have reached the limit, in recent years, solid-state batteries have been considered as batteries that can inherit the status of lithium-ion batteries. Solid-state lithium battery technology uses a glass compound composed of lithium and sodium as a conductive substance, which replaces the electrolyte of previous lithium batteries and greatly improves the energy density of lithium batteries.