Innovative Production Systems for Battery Pack and Cell-to-Pack Assembly

The demands placed on battery systems are constantly increasing. Higher energy densities, lower weight, and maximum efficiency call for innovative manufacturing concepts for the assembly of complete battery packs and cell-to-pack systems.

Our system solutions cover the entire final assembly of modern battery storage systems—from the integration of individual battery modules to the direct integration of cells into cell-to-pack architectures. Our focus is on product quality, process reliability, and cost-effective mass production.

Battery Systems for Stationary Energy Storage

Energy storage is becoming increasingly important as part of the global energy transition. Stationary energy storage systems based on modern lithium-ion batteries enable the efficient use of renewable energy and help stabilize power grids.

Our plant solutions support the industrial manufacturing and assembly of Battery Energy Storage Systems (BESS). From individual battery strings to modular storage units and complete container solutions, we implement production systems for a wide variety of storage applications.

Flexible degrees of automation, scalable production concepts, and integrated quality data save result in cost-effective manufacturing solutions for the next generation of stationary energy storage systems.

Battery Pack Assembly for Complete Battery Systems

Batteriepack

Our production solutions for battery pack assembly cover the final assembly of modern battery storage systems.

Finished battery modules are automatically positioned, secured, and electrically connected to one another. In addition, all relevant components required for the safe operation of the battery system are integrated.

Depending on product requirements, individual process steps can be performed manually, semi-automatically, or fully automatically.

01
Loading the Battery Housing
02
Installation of the Battery Management System (BMS)
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Visual inspection
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Laser Cleaning of Housings and Modules, Adhesive Application
Inserting the battery modules into the battery tray
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Installation of HV/LV Connections
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Applying the sealant
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Putting the Battery Cover Back On
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Screwing on the battery cover
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Installation of Attachments & Testing
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leak test
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End-of-Line Inspection
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Discharging the battery pack
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Cell-to-Pack Assembly for Maximum Energy Density

Cell-to-Pack

Cell-to-pack is one of the most important developments in the field of modern battery systems. By eliminating traditional battery modules, this approach results in compact battery storage systems with optimized space utilization and reduced system weight.

Our cell-to-pack systems enable the direct integration of battery cells into the battery housing and support a variety of product architectures and cell technologies.

The modular design of our production systems allows for customization to meet product requirements, production volumes, and future generations of technology.

01
Cell Preparation & Stacking
02
Battery Tray Feeding
03
TIM* Order
*Thermal Interface Material
04
Loading the battery tray
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Inserting Busbars
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Busbar Welding
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Apply sealant
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Lid Installation
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Screw the lid on
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Installation of Attachments & Testing
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leak test
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End-of-Line Inspection
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Discharging the battery pack
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Process Expertise in the Assembly of Complete Battery Systems

The assembly of battery packs and cell-to-pack systems combines numerous manufacturing and joining technologies within a single production line.

Modern bonding and welding processes are used to ensure a secure electrical connection. In cell-to-pack systems in particular, the innovative “on-the-fly” welding technology enables efficient and precise cell bonding during ongoing production processes.

Thermal management is one of the key factors affecting the performance and service life of modern battery systems. For this reason, cooling components, sensors, and safety devices are precisely integrated into the assembly process.

Depending on the product design, production volume, and requirements, process steps can be partially or fully automated.

The reliability of a battery system is largely determined by the quality of the final assembly. That is why we integrate testing and inspection systems directly into the production line.

In-line testing enables continuous monitoring of critical process parameters and ensures stable manufacturing processes.

Integrated Testing Technologies

  • Camera-Based Inspections
  • Contact testing
  • Electrical function tests
  • High-voltage tests
  • Leak Tests
  • End-of-line tests
  • Full traceability
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Your Benefits at a Glance!
  • Adaptation to different package designs
  • Integration of future cell generations
  • High type variance within a production line
  • Flexible production
    capacity

Scalable Turnkey Solutions for Battery Pack and Cell-to-Pack Systems

The development of modern battery storage systems is characterized by short innovation cycles, new cell technologies, and evolving product architectures. Production systems must therefore not only meet the highest quality standards but also remain flexible and scalable over the long term.

We support our customers from the initial concept phase through process development to the turnkey production line. In doing so, we combine engineering expertise, automation technology, and comprehensive process knowledge into a seamless, end-to-end solution.

Our modular plant concepts enable the cost-effective production of a wide variety of battery packs and cell-to-pack systems and can be flexibly adapted to future requirements.

This results in production solutions that meet current market demands while simultaneously laying the foundation for future generations of battery systems.

Our services

  • Production and Plant Concepts
  • concurrent engineering
  • Automation Solutions
  • Integration of Partner Technologies
  • Plant Construction and Commissioning
  • Production Optimization
  • Service and Support
Zwei GROB-Mitarbeitern mit Computer in einer Montagestation für Batteriepacks
Downloads

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Download the brochure to learn more about our technologies, process expertise, and plant concepts across the entire value chain.

FAQ - Frequently Asked Questions About GROB's Battery Pack and Cell-to-Pack Assembly

In a battery pack, multiple battery modules are assembled into a complete battery system. With cell-to-pack technology, the battery cells are integrated directly into the battery housing, eliminating the battery module as an intermediate step.

Cell-to-pack systems enable higher energy density, better use of space, and lower overall weight. This makes them particularly well-suited for modern battery electric vehicles and stationary energy storage systems.

Yes. GROB's production solutions support the assembly of complete Battery Energy Storage Systems (BESS) for applications in grid stabilization, renewable energy storage, and industrial energy storage.

Depending on the battery system, battery modules or battery cells, cooling systems, wiring harnesses, connectors, sensors, and other components are assembled into a complete battery system.

Yes. GROB supports companies from concept development through engineering and plant construction all the way to turnkey production lines, including commissioning, production optimization, and service.

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