Liquid Sun

Converts CO₂ and water into synthetic hydrocarbons with a low-temperature electrolyser, targeting e-SAF (synthetic aviation fuel). Tampere Univ. origin: the underlying artificial-photosynthesis research — concentrated multijunction III–V photovoltaics with an ALD titanium-dioxide protective film, converting CO₂ and H₂O into formic acid and methanol — was led by Prof. Mika Valden. eSAF pilot with ABB, Finnair, Fortum and Finavia.

The row

Sector

Energy, Climate & Environment

Stage

Pre-revenue — No sales yet

Location

Tampere

Founded

2022 (entered in the trade register 2023)

Research origin

Tampere Univ.

Business ID

3328774-9 · Finnish trade register

Funding

~€4M seed (11/2024, Voima Ventures lead; Failup, Business Finland) to build a 66 m² eSAF demonstration unit

Links

Where this sits on the map

Liquid Sun is one of 32 companies in Energy, Climate & Environment. The others:

How this row was decided

Every row on this map is checked by hand against the trade register and the company's own material, and placed in the sector that best describes its business or its technology. Service firms and consultancies are left out, however advanced the technology they work with — the test is where the revenue comes from. Only funding figures the company or its investor has published are shown. The full rules are on the landscape ↗