Futurology

If that were true, then you probably should calculate the difference in energy density. How do they achieve that effect while increasing energy density?

That's not what they're claiming, though as someone else pointed out this article is basically a press release.

From the article:

Leveraging biomimetic solid electrolyte interphase (SEI) and self-assembled electrolyte technologies, it says that TENER enables unobstructed movement of lithium ions and achieves zero degradation for both power and capacity.

As a layman, I have no idea what this is saying, other than it's using some new thing (possibly a new material?) to achieve what the headline is claiming.