Conceptual illustration of photosynthetic microorganisms illuminated by sunlight

EIC Pathfinder · A European research consortium

Turning sunlight
into hydrogen.

Photosynthetic electron focusing technology for direct efficient biohydrogen production from solar energy

We’re engineering photosynthetic bacteria to create a new route from sunlight and water to clean, renewable fuel.

6Partner organisations
5European countries
€4.19mEU contribution
2022–27Project duration

The idea

Nature captures sunlight.
We give it a new direction.

Photosynthesis powers life. PhotoSynH2 brings together synthetic biology, enzyme engineering and photobioreactor design to direct that energy towards hydrogen.

01 / LIGHT

Capture solar energy

Cyanobacteria use sunlight to split water, releasing electrons, protons and oxygen.

02 / BIOLOGY

Focus the electron flow

Engineered biological systems aim to redirect electrons towards hydrogen production while managing oxygen inhibition.

03 / HYDROGEN

Build towards scale

Hydrogenase enzymes and contained photobioreactors bring the biological route closer to practical energy production.

Discover photosynthetic electron focusing
Cyanobacterial cultures in laboratory flasks

From cells to systems

Small organisms.
A large research ambition.

Our work starts with Synechocystis, a well-studied cyanobacterium, and connects molecular engineering to the demands of cultivation and scale.

  • Engineering biologyDesign and evolve genetic regulators and hydrogen-producing enzymes.
  • Making light work harderImprove light use, oxygen management and electron transfer.
  • Designing for real conditionsDevelop salt-tolerant strains and efficient, contained photobioreactors.
Our research objectives

The consortium

One challenge.
Expertise across Europe.

Six partners connect fundamental research with engineering and industrial know-how. The project is coordinated by Alfonso Jaramillo at CSIC’s i2SysBio.

Meet the people behind the project →

Knowledge in motion

From the consortium

All news & events →
Public engagement

Cyanobacteria in the classroom in Penafiel

Filipe Pinto brought the possibilities of cyanobacterial biotechnology to students at Escola Secundária de Penafiel through the i3S Embaixadores da Ciência programme.

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Let’s connect

A conversation
about what comes next.

For research collaborations, project enquiries or media requests, contact Steve.

Contact Steve steve@jaramillolab.org