On April 9, CATL unveiled TENER, the world's first mass-producible energy storage system with zero degradation in the first five years of use. Featuring all-round safety, five-year zero degradation and a robust 6.25 MWh capacity, TENER will accelerate large-scale adoption of new energy storage t...
The "article" is just a load of PR bullshit without any details whatsoever or any real info...so maybe they're just doing that...maybe not...it's impossible to tell from the link provided.
CATL are the world's largest battery maker, with 37% global market share. They are also the technology leaders in this sector. You would expect them to be making the most advanced tech breakthroughs.