In the automative industry, battery production is a central pillar of the mobility transition. Electric vehicles are rapidly gaining ground, and as the demand for high performance batteries grows, so do the challenges in manufacturing. Companies face increasingly stringent requirements for cleanliness, scalability, efficiency, and cost control, especially in the sensitive area of cleanroom production.
In a demanding reference project, MPC Munschek Process Consulting GmbH partnered with a leading battery manufacturer to develop a pioneering solution. The objective: to implement a clean, scalable, and economically viable production environment for lithium-ion batteries.
Why Battery Production Requires Cleanroom Technology
Lithium-ion batteries are highly sensitive, precision-engineered products. Even the smallest particles or contaminants introduced during the production process can cause malfunctions, performance degradation, or serious safety risks. For this reason, battery production, much like pharmaceutical or semiconductor manufacturing, must comply with strict cleanliness standards.
The dry room, where electrodes are processed and assembled, must operate under tightly controlled conditions with defined particle count limits according to ISO classifications. Depending on the production step, cleanroom classes between ISO 7 and ISO 5 are required. Additional requirements include precise temperature and humidity control as well as effective protection against metallic contamination.
The Challenge: Structural Transformation, Supply Chain Complexity, and Cost Pressure
For many companies, the greatest challenge lies in transitioning from traditional automotive manufacturing processes to highly complex, cleanroom-compliant production workflows. Three key issues typically arise:
1. Cleanroom knowledge gap:
Many companies have little to no experience with cleanroom processes and face a steep learning curve when entering this field.
2. Unclear supply chain requirements and insufficient technical specifications:
Suppliers frequently receive vague or incomplete requirements, making it difficult to implement solutions clearly, reliably, and efficiently.
3. Cost pressure and capacity scale-up:
The need to rapidly expand production capacity often conflicts with the significant investments required for complex cleanroom infrastructure. Poor planning can quickly result in costly misinvestments.
Project Objective: Clean, Efficient & Scalable
In close collaboration with the client, MPC developed a holistic solution centered on the following key areas:
- Cleanroom-compliant production layout
- Zoning concept for clean material supply
- Risk-based planning and process optimization
- Supplier evaluation and investment security
- Automation Scenarios to reduce operating costs
Approach & Project Steps
1. Analysis of Existing Planning
The project began with a critical review of previous planning stages. Weaknesses in room layout and process structure were identified at an early stage, an essential step in preventing costly redesigns further down the line.
2. Zoning Concept for Clean Production
MPC developed a comprehensive zoning concept to ensure structured separation of clean and non-clean areas. Clearly defined clean material flows were established to reliably protect critical production zones from particle ingress, thereby ensuring long-term product quality and process reliability.
3. Process Development by Product Type
Tailored process steps were defined for each product cluster, enabling clean, efficient and scalable process chains. This approach allowed for precise cycle time planning, reduced waste, and improved process repeatability.
4. Risk-Based Cleanroom Scenario
MPC applied risk-based scenario planning to identify potential bottlenecks and failure points at an early stage. This enabled the implementation of targeted “clean-but-lean” measures, preventing overengineering while ensuring efficient use of resources
Holistic Planning: Layout Integration, Automation, Supplier Selection & Knowledge Transfer
Particular emphasis was placed on embedding all measures into the overall factory layout. All process optimizations – spanning material throughput, buffer zones, and personnel requirements (FTE) - were translated into detailed layout designs and fully integrated into the factory model. Interfaces with adjacent cleanliness zones were carefully engineered to maintain a consistent cleanroom standard throughout.
Automation represented another major level for efficiency gains. Drawing on robust process data, MPC simulated various automation scenarios to identify OPEX and CAPEX savings potential. Significant cost reductions were achieved particularly in the areas of material handling, internal transport, and packaging.
To safeguard the client’s investment, MPC provided structured support throughout supplier selection and technical evaluation. Through systematic market research and clearly defined specification documents, all cleanroom requirements were reliably captured and communicated. Subsequent proposal evaluations helped identify the best-fit suppliers and avoid costly misinvestments.
A key differentiator was MPC´s ability to transfer established cleanroom expertise from the medical device and pharmaceutical industries directly into battery production. This cross-industry knowledge significantly elevated the technological standard of the project and strengthened the client’s confidence in the new processes.
As the project progressed, MPC supported the refinement of critical planning parameters, including handling unit definitions, material movement frequencies and space requirements within the cleanroom. These adjustments further improved process efficiency and optimized overall space utilization.
Result: Scalable, Efficient and Safe Cleanroom Production
The collaboration resulted in an efficient, scalable cleanroom production system that meets all quality, safety, and economic requirements. The client now benefits from:
- Cost-optimized processes without overengineering
- High system availability and low defect rates
- Scalability for future capacity expansion
- Clear and well-defined material and personnel flows
- Investment security through a validated planning foundation
Conclusion: Integrated Factory and Cleanroom Planning as a Competitive Advantage
This project demonstrates that successful cleanroom-based battery production is only achievable through a truly integrated approach - from clean-area planning and supplier selection through to implementation on the factory floor.
With its expertise spanning cleanroom technology, process development, and automation, MPC Munschek Process Consulting GmbH makes a decisive contribution to the competitiveness of modern battery manufacturers. The structured methodology not only enhanced product quality and process stability but also reduced costs and prevented misinvestments at every stage of the project.