Support

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24h / 365days

We offer support for our customers

Mon - Fri 8:00am - 5:00pm (GMT +1)

Get in touch

Cybersteel Inc.
376-293 City Road, Suite 600
San Francisco, CA 94102

Have any questions?
+44 1234 567 890

Drop us a line
info@yourdomain.com

About us

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The complete solution from a single source

For battery cell housings, OEMs and battery manufacturers need a system supplier who already provides intensive support during the development phase and, building on this, establishes custom-fit production solutions – and within the framework of an iterative process.

The battery cell housing is a central and at the same time exceptionally demanding task in the automotive sector: on the one hand, enormous quantities are required, on the other hand, high production requirements apply - from absolute tightness and no contamination to architecture-dependent, individual geometry.

Consequently, there are no standard solutions for the development and production of battery cell housings - and a flexible partner is required whose know-how and expertise covers the entire process from development to production.

System expertise combined with innovative strength and speed


Against the background of this complex task, aft automotive sees itself as part of a larger whole: We are a system supplier and support our customers right from the start of the technical development of the battery. The resulting production solutions are developed iteratively: every decision is examined holistically, weighed up against alternatives and adapted again and again if necessary.

Bundled expertise for all requirements


We combine innovative system development with meticulous engineering craftsmanship, agility with reliable project management and comprehensive production planning with careful quality planning. The end result is highly efficient production sites with performance benchmarks

REQUIREMENTS

The varied requirements of the battery cell housing

In the development of a battery cell housing, you have to meet the functional, safety-related and production-specific requirements – a complex task. The most important features at a glance:

Bursting behavior:

Adherence to the opening pressure of the predetermined breaking point

Heat development:

Simulations for avoidance of heat transitions

Electrolyte resistance:

Laboratory determination of electrolyte-resistant materials

Filling:

z.B. Perfect filling with burr-free filling opening

Tightness:

Elastomeric sealing and precisely fitting design and material selection

Joining and welding:

Optimal welding and joining parameters

Assembly:

Design-for-assembly and interlinking of engineering and technical development

Insulation and conductivity:

Prevention of leakage via the cell housing

Safety:

Compliance with flammability, cleanliness, safety integrity and thermal runaway prevention standards

INTERVIEW

Three questions for: Jörg Hellwig

Responsible for the strategic product orientation at aft

Mr. Hellwig, what makes the "battery cell housing" task so special?

There are various battery concepts such as cell-to-chassis or cell-to-pack, each of which has a different influence on the geometry. At the same time, many manufacturers are now looking to implement the industrialization of cell housings and the like. We already provide support during the development of the battery cell housing, derive functional requirements from this and create mechatronic concepts.

How do you make the right choice in production methods?

Each process is assessed according to whether it fits the requirements of the system – such as stability and thermal conductivity. Let’s take the burst valve as an example: During its development, we first validate the tightness and opening behavior and, based on this, we design the forming tools and the required laser welding systems.

How does all this come together in an integrated production solution?

This includes our promise as a "system provider". We plan and operate the complete factory for battery cell housing assemblies, including all production facilities, quality assurance and logistics. OEMs and battery manufacturers receive the solution for development, planning and production from a single source.

PRODUCTION LINE

What ultimately makes the difference in the production line?

Logistics

Incoming and outgoing goods are optimized directly at the plant so that subsequent or previous production steps benefit. Risks in the supply chain are identified at an early stage.

Productivity

Interlinked production processes ensure agility and speed - the focus is on "cost per piece". Development, industrial engineering and quality management define an optimal process sequence.

Test processes

Our objective is “0-error production”. High-resolution camera monitoring, in-line and in-process measurements and regular requalification and audits are used to achieve the goal.

Cleanliness/cleaning

Cleaning and drying processes ensure high component cleanliness. Production and assembly take place under clean room conditions.

IoT in the complete process world

automotive relies on end-to-end digitalization for all processes and systems. This offers significant advantages in system development, production and downstream processes involving the battery cell housing.

Each sub-step is validated and then the whole thing is developed further as part of a continuous optimization process.

Data retrieval guaranteed for each component via unique IDs and QR codes
complete traceability for individual components and entire batches
Data utilization for iterative improvement of the entire development and production process (e.g. step-by-step adaptation of design and production)
Analysis of process and machine parameters for holistic optimization of production
AI-based innovations such as predictive maintenance
ABOUT AFT

Three arguments in favor of system development with aft automotive

Agility

We stand for flexible processes, short paths and scalable solutions.

Innovation

We take a technology and process-independent view of challenges and choose new paths.

System perspectives

We follow a holistic approach, whereby each system development is backed up iteratively.

Would you like to find out more about the individual requirements of your battery cell housings?

Get in touch with us!

Buyer's Guide to Battery Cell housing

To receive our free "Buyer's Guide" brochure in PDF format, please fill in the following fields:

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Innovative system supplier
to the automotive industry

Werner-von-Siemens-Str. 7
D-48268 Greven

Phone: +49 (0)2575 97782-10
Fax: +49 (0)2575 97782-11

battery(at)aft-automotive.de

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