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Car Battery Pilot Line

2025-10-21
Lith Corporation, founded in 1998 by a group of material science doctor from Tsinghua University, has now become the leading manufacturer of battery lab&production equipment. Lith Corporation have production factories in shenzhen and xiamen of China.This allows for the possibility of providing high quality and low-cost precision machines for lab&production equipment,including: roller press, film coater,mixer, high-temperature furnace, glove box,and complete set of equipment for research of rechargeable battery materials. Simple to operate, low cost and commitment to our customers is our priority. 




What is a Car Battery Pilot Line?

A Car Battery Pilot Line refers to a smallscale, flexible, and semiautomated production system used to develop, test, and validate battery cell and pack manufacturing processes before fullscale commercial production begins. It serves as a bridge between laboratoryscale R&D and mass production, allowing companies to refine technologies, optimize processes, and reduce risks before investing in largescale gigafactories.

While a fullscale battery manufacturing or assembly line is designed for highvolume production (e.g., 10–100 GWh/year), a pilot line typically operates at lower capacities (e.g., 10–100 MWh/year) and is used for technology validation, process development, and product iteration.



Key Objectives of a Car Battery Pilot Line

1. Validate New Battery Technologies
    Test new chemistries (e.g., NMC 811, LFP, solidstate, sodiumion)
    Evaluate novel cell formats (e.g., pouch, prismatic, cylindrical, blade)
    Assess new materials and electrode designs

2. Develop and Optimize Manufacturing Processes
    Refine slurry mixing, coating, drying, stacking, welding, and testing
    Identify process bottlenecks and improve yield and efficiency
    Establish process control limits and quality standards

3. Enable Rapid Prototyping and Iteration
    Produce small batches of battery cells or packs for vehicle testing
    Quickly modify designs and test new ideas without disrupting mass production

4. Train Engineering and Production Teams
    Provide handson experience for engineers, technicians, and operators
    Build internal expertise in battery manufacturing

5. Support Technology Transfer to FullScale Production
    Use data from the pilot line to scale up processes for gigafactories
    Reduce timetomarket and minimize risks in largescale implementation

6. Comply with Automotive and Safety Standards
    Ensure processes meet ISO 26262, IEC 62660, UN38.3, and other relevant standards
    Validate safety, reliability, and performance of new battery systems



Types of Car Battery Pilot Lines

Depending on the focus and scope, pilot lines can be categorized as:

  1. CellLevel Pilot Line
 Focuses on the production of individual battery cells
 Includes stages like:
   Slurry mixing
   Electrode coating and drying
   Electrode stacking or winding
   Cell assembly, electrolyte filling, and sealing
   Formation, aging, and testing

  2. ModuleLevel Pilot Line
 Focuses on integrating cells into battery modules
 Includes stages like:
   Cell sorting and inspection
   Module housing assembly
   Busbar installation and welding
   Thermal interface material (TIM) application
   Modulelevel testing and traceability

  3. PackLevel Pilot Line
 Focuses on integrating modules into complete battery packs
 Includes stages like:
   Pack housing assembly
   Cooling system integration
   BMS installation and wiring
   Highvoltage harness installation
   Final pack testing and validation

  4. Hybrid or FullStack Pilot Line
 Combines cell, module, and pack assembly in a single flexible system
 Ideal for startups, research institutions, and OEMs developing new battery platforms



Typical Components and Equipment in a Car Battery Pilot Line

Although smaller in scale, a pilot line includes most of the key equipment found in a fullscale line, but often with modular and flexible configurations.

  1. Cell Production Equipment
 Slurry mixer – For preparing cathode and anode materials
 Coating machine – Applies slurry to current collectors (e.g., aluminum foil or copper foil)
 Drying oven – Removes solvents under controlled conditions
 Calender – Compresses electrodes to control density
 Slitting machine – Cuts electrodes to size
 Stacking or winding machine – Assembles electrode layers
 Cell housing and welding system – Encapsulates the electrode stack
 Electrolyte filling and sealing station – Fills and seals the cell under dry conditions
 Formation and aging chamber – First charge/discharge cycle and stabilization
 Testing equipment – Measures voltage, capacity, internal resistance, and cycle life

  2. Module Assembly Equipment
 Cell inspection station – Visual and electrical checks
 Busbar welding system – Connects cells in series or parallel
 Thermal pad applicator – Applies heatconductive materials
 Module housing assembly line – Structural casing and brackets
 Sensor and wiring installation – Adds temperature and voltage sensors
 Module testing bench – Verifies communication, voltage balance, and thermal performance

  3. Pack Assembly Equipment
 Module loading system – Places modules into the pack housing
 Cooling system integration station – Installs liquid cooling plates or air channels
 BMS installation and wiring station – Mounts and connects the Battery Management System
 Highvoltage harness installation – Adds main power cables and connectors
 Pack sealing and leak testing – Ensures IP67 or higher protection
 Final pack testing bench – Tests insulation, communication with ECU, and highvoltage integrity


Solid State Battery Machine




Supporting Infrastructure in a Car Battery Pilot Line

To ensure safe and efficient operations, several support systems must be integrated:

  1. Clean Room & Dry Room Systems
 Lowhumidity zones (<1% RH) for electrolyte filling and electrode handling
 HEPA filtration to remove particulates
 Climatecontrolled storage for sensitive materials

  2. Fire Safety & Explosion Protection
 Gas detection systems for solvent vapors and electrolyte leaks
 Inert gas blanketing in solvent mixing and drying zones
 Fire suppression systems using clean agents or water mist
 Explosionproof enclosures for flammable processes

  3. Digital Manufacturing & Process Control
 MES (Manufacturing Execution System) – Realtime data tracking
 IoT sensors and PLCs – Monitor pressure, temperature, humidity
 AIbased vision systems – Detect defects in electrodes and cells
 Traceability systems – Track every cell from raw materials to shipment

  4. Waste Management & Sustainability
 Solvent recovery systems – Reuse of NMP (NMethyl2pyrrolidone)
 Battery recycling integration – Closedloop material recovery
 Energyefficient HVAC and lighting
 Water treatment systems – For cleaning and process water

  5. Automation & Robotics
 Automated conveyor systems – Move materials and components
 Robotic arms – Handle electrodes, stack components, and load/unload machines
 Laser welding and cutting – Highprecision joining and trimming
 Smart testing systems – Autosort cells based on test results



Applications of a Car Battery Pilot Line

Pilot lines are used across a wide range of industries and organizations:

  1. Startups and New Battery Companies
 Develop and test new battery technologies before building gigafactories
 Attract investors and partners with functional prototypes

  2. Automotive OEMs
 Build internal battery expertise and reduce reliance on suppliers
 Customize battery packs for specific vehicle platforms

  3. Research Institutions and Universities
 Conduct advanced battery R&D and collaborate with industry partners
 Train the next generation of battery engineers

  4. Government and National Labs
 Support national battery strategies and supply chain development
 Promote innovation and technology transfer

  5. Tier 1 Suppliers
 Develop new battery components and systems for OEMs
 Test integration with vehicle electronics and thermal systems



Benefits of a Car Battery Pilot Line

 Accelerates technology development and commercialization
 Reduces risks and costs in scaling up to full production
 Supports innovation in battery chemistry, design, and manufacturing
 Enables workforce training and process standardization
 Strengthens local battery ecosystems and supply chains
 Encourages sustainable and circular battery practices
 Provides a competitive edge in the fastevolving EV industry



Leading Companies Involved in Car Battery Pilot Line Development

Here are some of the key players involved in designing and operating car battery pilot lines globally:

  Battery Manufacturers:
 CATL (China) – Operates pilot lines for nextgen battery R&D
 BYD (China) – Blade battery development and testing
 Panasonic (Japan) – Supports Tesla with cylindrical cell innovation
 Samsung SDI (South Korea) – Highenergydensity battery development
 ACC (France) – European pilot line for LFP and NMC batteries

  Research Institutions:
 Fraunhofer Institute (Germany) – Battery production research and pilot testing
 Argonne National Laboratory (USA) – Advanced battery R&D and pilotscale work
 Fraunhofer ISC (Germany) – Battery cell and pack development
 CIC energiGUNE (Spain) – European battery innovation center
 KRICT (Korea Research Institute of Chemical Technology) – Battery chemistry and process development

  Equipment and Automation Providers:
 KUKA (Germany) – Robotics and automation for battery assembly
 Siemens (Germany) – MES and digital twin platforms
 Trumpf, Coherent, IPG Photonics – Laser welding and cutting
 Hanson Robotics, Gree EnergyTech – Integrated battery line solutions
 B&R Automation (ABB subsidiary) – Smart manufacturing systems

  Engineering and EPC Firms:
 Bechtel, Hatch, Black & Veatch – Turnkey plant construction
 Wood, Jacobs, GHD – Engineering and sustainability consulting



Need Help Designing or Optimizing Your Car Battery Pilot Line?

If you're looking to build, expand, or optimize your car battery pilot line, I can help you with:

 Master planning – Site selection, process flow, zoning  
 Process engineering – Battery chemistry, format, and production stages  
 Factory layout design – Clean/dry room integration, workflow  
 Equipment sourcing – Bestinclass machinery and automation  
 Sustainability strategy – Green energy, recyclability, circular economy  
 Cost estimation and ROI analysis – CapEx, OpEx, breakeven modeling  
 Compliance and safety systems – Fire protection, permits, worker safety  

All you need to do is provide the following information:

 Battery chemistry and cell format (e.g., NMC, LFP, solidstate, pouch)  
 Target annual production capacity (e.g., 10–100 MWh/year)  
 Plant location and available infrastructure  
 Level of automation and digitalization desired  

 Current team expertise and strategic goals