...Ah, it's a question of semantics. I count all PHEVs, including what you call BEVxs, as PHEVs (or PHFCEVs in this case)...
You should learn to count
A PHEV uses gasoline fuel for traction power, a concept perpetrated by ICEV manufactures who want to continue to use their off-the-shelf gasoline-fueled ICE drivetrains, installed in "electrified" vehicles, to be sold in small numbers.
A BEVx is a BEV, with an efficient on-board charger using a fuel with far greater energy density than batteries, only for those exceptional long trips where huge batter packs are (presently) undesirable, due to low energy density, and the impracticality and high cost of reliable rapid public DC charging.
The particular attractiveness of ethanol-based Solid Oxide Fuel-Cell technology in a BEVx is that is allows on-board energy generation at efficiency rates as high or higher than conventional grid generation, using a stable, safe, and convenient fuel, with (nearly) complete existing infrastructure.
quote="GRA" ...For a mostly local delivery van that probably makes sense, and Renault did it that way for their PHFCEV postal vans. For general purpose cars that will be used for road trips 5 kw seems way too small...
I do the vast majority of my own rural/mountain driving trips at less than 5 kW (average) rates, so I might actually prefer a SOFC ~ that size.
It's true that for uninterrupted high speed driving, more than 5 kW might be desirable, but of course you might instead want a slightly larger than ~21 kWh battery, of 25 to 35 (available) kWh capacity.
A ~35 kWh available pack with only a 5 kW SOFC should outrange a ~54 kW (Available) Tesla 3 or Bolt between recharges at constant freeway speed, and have much longer range than either for trips of lower average speed.
Whether the output is ~5kW or ~10 kW, the opportunity to have completely reliable charging while you drive
is an incredible advantage of a BEVx over any BEV that you must stop to recharge.
="GRA"...but I'm sure this is mainly a development/proof of concept vehicle for now, and a long way from the final product(s).
At ~4 minutes in, you can watch the rather bulky prototype SOFC being loaded into the van:https://www.youtube.com/watch?v=12ovNytBpI4