Status:
Startup company
SDGs:
Industry, innovation and infrastructure
Industry:
ICT
Impact:
Sustainable systems
Origin:
ESA BIC Finland
School:
-
Established:
2025
ColdXray’s graphene-based cold cathodes are transforming space propulsion by providing highly efficient electron emission for electric thrusters. Our technology enhances satellite longevity, reduces energy consumption, and ensures stable, reliable operation in extreme space conditions.
Our graphene-based cathodes also revolutionize X-ray generation by eliminating the need for traditional filament heating, making X-ray systems more compact, durable, and energy-efficient. This innovation enhances imaging in healthcare, security screening, and industrial non-destructive testing.
Read more about innovation services
News from innovation ecosystem
Finland’s green transition requires innovation and collaboration
The alumni seminar of the school of chemical engineering brought together experts in research, industry and innovation to consider how Finland can harness the opportunities of the green transition.
We are looking for teaching assistants for spring 2027 courses
Become a teaching assistant in the Department of Computer Science