A leading Chinese EV maker that achieved several breakthroughs in solid-state battery tech has now confirmed to adopt it for large-scale EV manufacturing. BYD is in the process of launching its EV powered by all-solid-state batteries (SSBs). Such SSBs feature solid electrolytes instead of liquid electrolytes that are used in lithium-ion batteries.
The company plans to use sulfide-based solid-state batteries that will mainly be used in higher-end vehicles.
Sun Huajun, the CTO of BYD’s battery business (Shenzen BYD Lithium Battery Co), revealed that BYD expects its first EVs with all-solid-state batteries to arrive within two years. Sun also highlighted that the first two years will serve as a demonstration phase with limited production.
In the next five years, the company expects that the new battery tech could be adopted on a large scale. BYD claimed that the sulfide electrolytes can last longer, offer faster charging, and have more stable functions for EVs.
The company’s executives expect the cost of solid-state ternary batteries to become comparable to liquid ternary batteries, though reaching volume production is expected to take at least a few years. Solid-state EV batteries are expected to have substantially increased energy density, ultimately offering better driving range along with faster charging times, according to a report.
Currently, BYD is the world’s second-largest battery maker behind Contemporary Amperex Technology Co., which is also based in China. Last year, BYD installed a total battery capacity of 153.7 GWh across its products for a 17.2 percent global market share, following CATL, which held about 37.9 percent of the market.
CATL is also planning to begin producing all-solid-state EV batteries in 2027 but in small volumes at first. More of this article (Interesting Engineering) - link - more like this (solid state batteries) - link - more like this (BYD) - link
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