An e-car is being charged. The process is visualized with icons.
An e-car is being charged. The process is visualized with icons.

The Cellforce Group

High-performance lithium-ion cells for special automotive applications – Made in Germany

The Cellforce Group is a German developer and manufacturer of high-performance battery cells and applications in the vehicle and mobility segment. Its products are used in a range of everyday areas and meet strict quality standards. Research and development focus in particular on the cell chemistry of the battery cell, for this has a key impact on battery performance, efficiency, and life. The Cellforce Group is committed to excellent quality combined with maximum energy/the best possible product performance.

The Cellforce Group, a 100% subsidiary of Porsche AG, will develop and produce high-performance lithium-ion cells for automotive applications.

The managing directors are Chief Operating Officer (COO) Dr. Markus Gräf and Chief Financial Officer (CFO) Sebastian Albani

Our management team

Dr. Markus Gräf

Dr. Markus Gräf – born in 1969 / father of 3 children – has been Managing Director of Cellforce Group GmbH in the Operations division (COO) since November 2021 and has many years of experience in the development and production of alternative drive and charging components and batteries.

  • From 2011 to 2021, he was team leader for the Cayenne PlugIn Hybrid and for the Taycan High Voltage System as well as project manager of the Taycan High Voltage Battery at Porsche AG.
  • Before that – from 2006 to 2011 – Dr. Markus Gräf was managing director of the DLR spin-off Universal Motor Corporation.
  • From 2002-2006, he was responsible for the department of electric drives and energy storage in the Institute of Vehicle Concepts at the German Aerospace Center.
  • He completed his PhD thesis in cooperation with BMW AG on electric vehicle drives at the Technical University of Munich in 2001.


Chief Operating Officer (COO) Dr. Markus Gräf

Sebastian Albani

Sebastian Albani – born in 1982 / father of 2 children – has been Managing Director of Cellforce Group GmbH since April 2023 with responsibility for the CFO area. The broad CFO area includes the responsibility for Finance, Human Resources, Legal & Compliance, Public Funding, Procurement, IT, Business Development / Strategy as well as the cross-divisional project management of the cell projects.

From 2008 to 2023, he held leading responsibilities in the areas of corporate strategy / product strategy, the Panamera model series and as Head of Strategy, Steering and Innovation in Development at Porsche.

After graduating with a degree in business administration from the Scientific University for Business Management in Vallendar near Koblenz (WHU), Sebastian Albani started his career as a management consultant with Simon-Kucher & Partners in Bonn / Cologne in 2005.

Careers at the Cellforce Group:


Who we are:

A car’s battery cell is the combustion chamber of the future. As a new Porsche subsidiary, we, the Cellforce Group, are passionate about shaping the mobility of tomorrow: we are researching, developing, and will produce high-performance and most powerful battery cells for automotive special applications – made in Germany. With that mission, we want to go forefront of global competition and shape the link between an unmistakable driving experience and sustainability. That is who we are at Cellforce Group.

Does that appeal to you? And are you looking for a new challenge?

What we offer:

We are offering a dynamic working field of action with highly exciting and forward-looking projects. In our young and highly motivated team, we are offering a huge individual’s area of responsibility accompanied by many opportunities to learn and grow.

Please take a look at the current job offers. You can obtain these below via our career section.


Our current job offers are available in our career section. Select the position for which you would like to apply. On the following page you will find the job description. At the bottom of this page you will find the “Apply now” button”. Please follow the further instructions and fill out the form and provide us with your documents. Your application will be submitted online. We will process your online application as soon as possible.

We are looking forward to receiving your application!

Your Contact Person

Christoph Steinberg
VP HR & Culture

For questions only – please use the online possibility to submit your application.

Klicken Sie auf den unteren Button, um den Inhalt von zu laden.

Inhalt laden

Consistently sustainable

The Cellforce Group is committed to an environmentally responsible approach and to the sustainable use of resources. This applies both to the development of the site and to all the company’s business activities. In the long term, the entire region will benefit – through local investment, and through the jobs at a wide range of levels that will be created. Its new headquarters will also mean the Cellforce Group will become a local taxpayer, actively contributing to the prosperity of the region.

Construction and operation of the new Cellforce Group building comply with strict sustainability standards. Efforts include extensive roof greening and the installation of solar panels at suitable points.

The Cellforce Group is planning on an annual water consumption of around 30,000 cubic meters, which is very little for an industrial facility of this kind.

Process water will be recovered as far as possible and recirculated in the system.

The very low water consumption for this type of production site means that Cellforce Group operations will never affect water management for any neighboring businesses.

Our industry and recycling partner BASF will recycle all production and research waste generated and return it to the product cycle.

The Cellforce Group is also committed to minimizing logistics traffic and encourages its partner companies to optimize their sustainability standards. Traffic optimization is being factored into building plans for the new headquarters to reduce the impact on the local transport network as far as possible.

A car drives on a road through the forest; bird's-eye view shot
A car drives on a road through the forest; bird's-eye view shot

Battery cell technology

Battery cells are at the heart of future mobility – and above all e-mobility. Nothing works without them. Batteries are already the main source of energy in countless mobility solutions and concepts.  The Cellforce Group will take battery cell energy density, performance, and fast-charging capability to a whole new level – and thereby make a major contribution to improving the attractiveness of e-mobility.

The Cellforce Group is re-establishing its battery cell research and development expertise in Germany, for the competition is already way ahead. That is why the Cellforce Group works every day on perfecting this special technology.

But how does a battery cell actually work?

The Cellforce Group develops and produces lithium-ion cells, which can be used in electric vehicles, for example. Other applications are also possible.

A battery cell in an e-vehicle acts first and foremost as a mobile electricity storage device. This storage device converts chemical energy into electrical energy. That is why it is so important to keep developing the cell chemistry of battery cells further, as this is the main factor in a battery cell’s size, weight, and efficiency. The Cellforce Group conducts research and development in this field with the long-term goal of taking cell chemistry to a completely new level.

Unlike conventional batteries such as those you might find in a flashlight, for example, the battery cells in an electric car can fulfil two functions at the same time: They can draw electricity from the grid and later provide that electricity as required – repeatedly, until the battery cell needs to be recharged.

One battery cell consists of a large number of different components. The battery cell is the smallest unit in an electric drivetrain and motor, but it is the most important component as it determines energy availability.

But what makes the Cellforce Group battery cell so special?
Chemical composition and design are the key differentiating factor here. Silicon is the anode material in the chemistry of the new high-performance cells. This makes it possible to significantly increase power density compared to current options, and the battery can be more compact for the same energy content. The new chemistry also reduces the internal resistance of the battery. This allows it to absorb more energy during energy recovery while at the same time offering improved performance for fast charging. Another special feature of the Cellforce battery cell is that it can be used at higher temperatures.

Modern battery cells are produced here
Modern battery cells are produced here