Lithium-ion batteries are a key technology for e-mobility.


The HiQ-CARB project team has set itself the goal of developing more sustainable carbon black additives for lithium-ion batteries.

Supported by EIT RawMaterials

what is it about?

Among other things, carbon black additives are an important factor in battery performance – but commercially available carbon black has a high carbon footprint.
At the laboratory scale, environmentally friendly alternatives such as acetylene carbon black with a low carbon footprint and resource-efficient carbon nanotubes already exist.

To provide the fast-growing battery industry with affordable, sustainable and high-quality carbon additives, these alternative carbon blacks are being upscaled, combined and commercialized by the HiQ-CARB consortium. The performance of the upscaled „greener“ carbon blacks will be evaluated at laboratory and pilot scale, as will their environmental footprint through a sophisticated life cycle assessment.


HiQ-CARB won the EIT Public Award 2024!

Yes, we did it! The HiQ-CARB – Greener Carbons team is very proud to announce the winning of this year's EIT European Institute of Innovation & Technology Public Award! This award encourages us even more to implement the material developments for greener carbons...

Finalist at EIT Innovation Team Awards

The HiQ-CARB project team proudly announces, that we are finalists for the EIT Innovation Teams Award! It's really an an exceptional honor for us! See our application video and please support our team also for the EIT Public Award by voting for our project....

HiQ-CARB Presentation at EIT RawMaterials Expert Forum

Dr. Michael Rohde from Orion Engineered Carbons and project coordinator Dr. Andreas Bittner from Fraunhofer ISC presented the HiQ-CARB project with a presentation and panel discussion at the EIT RawMaterials Expert Forum “Materials for Battery Innovation”.  

HiQ-CARB Poster at 74th Annual ISE Meeting

HiQ-CARB team member Sara Hamed presented positive project results at the 74th Annual Meeting of the International Society of Electrochemistry in Lyon. The measurements from Aalto University demonstrate the benefits by combining the new battery materials of the...

HiQ-CARB Greener Carbon Workshop

HiQ-CARB – Greener Carbons Workshop on different material and battery characterization methods This workshop was a public online event that aims to present the HiQ-CARB project, its partners, and the results achieved so far.  The...

HiQ-CARB Meeting in Eschborn

Industry partner Orion Engineered Carbons invited to a project meeting at its location in Eschborn, Germany. Due to the excellent progress, additional project tasks are committed by the partners.

HiQ-CARB Meeting in Lyon

The HiQ-CARB consortium has met at the location of Arkema in Lyon. Part of the program has been a tour through the comprehensive battery test labs of Arkema and discussions with respective experts.

Greener carbons for sustainable batteries

Press release on the achievements after first half of the project work

Upscaling in progress!

By the end of 2021, a major upscaling success has already been achieved: the Carbon Nano Tube synthesis has been improved and brought to batch size > 1 t. And wet-beaded acetylene black production was also ramped up to a batch size of > 80 t. A great success in...

Stepstone for sustainable batteries – greener carbons

Lithium-ion batteries require in addition to lithium ions a number of sophisticated functional materials for their performance. Some of them sound rather unspectacular: conductive additives. In fact, conductive additives like carbon black or carbon nanotubes are a...


The HiQ-CARB project aims to provide the European industry with more sustainable and hiqh-quality carbon additives for advanced lithium-ion batteries.


Lithium-ion batteries with high energy density and long lifetime have been regarded as promising energy storage and conversion devices for applications in electric vehicles and smart grids. The European Green Deal and various supporting actions aim to exploit the employment, growth and investment potential of batteries. A competitive manufacturing value chain in Europe is to be created – last but not least to foster green battery technologies with improved environmental performance.


Carbon black is usually produced with high energy and material input. HiQ-CARB is replacing the conventional conductive carbon black with a new and much more environmentally friendly high quality acetylene carbon black. This contributes significantly to improving the environmental footprint. Already commercialized standard carbon nanotubes (made from a renewable bioethanol feedstock) are replaced by thinner carbon nanotubes. This results in a lower amount of carbon materials for the same or even better battery performance and improved resource efficiency.


Lithium-ion batteries are essential for electric vehicles, portable electronic devices, or a variety of other applications where renewable energy is stored and delivered. Sustainable, cost-efficient and hiqh-performance conductive additives are required for all these battery applications.


The project consortium includes the leading materials manufacturers Orion Engineered Carbons and Arkema as well as the innovative cell manufacturer Customcells. Application-oriented battery R&D competences and a life cycle assessment are provided by Fraunhofer ISC, Aalto University and the University of Bordeaux.


To provide sustainable, high-quality carbon additives to the rapidly growing battery industry, Orion’s Acetylenes Black and Arkema’s resource-efficient carbon nanotubes are being used, combined and commercialized on a larger scale.

Reduce CO2

reduce co2 emissions –
we are working on it

If more and more batteries are needed for the energy and mobility transition, then we must also do more for sustainability and climate protection here.

HiQ-CARB wants to significantly reduce carbon dioxide emissions in the production of conductive additives for batteries – and thus make an important contribution, because the production of conventional conductive additives accounts for a large part of the carbon footprint of batteries.

Let’s Start Something new
Say Hello!

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Dr. Andreas Bittner
Project coordinator

Fraunhofer ISC
Neunerplatz 2
97082 Würzburg