Prismatic Battery Production Line Equipment List

Table of Contents:

• Introduction
• Equipment Functions in Prismatic Battery Production
• Selection Principles for Prismatic Battery Manufacturing Equipment
• Whole Line Configuration and Layout
• Automation Upgrades and Recommendations
• Frequently Asked Questions (FAQs)
• Case Study: Real-World Application
• Conclusion

Introduction

Understanding the prismatic battery production line equipment is crucial for efficient and high-quality battery manufacturing. This article provides a comprehensive list and detailed insights into the equipment used in each stage of prismatic battery production.

Equipment Functions in Prismatic Battery Production

Each piece of equipment in a prismatic battery production line plays a specific role in ensuring the quality and performance of the final product. The following sections detail the functions and importance of key equipment.

Mixing and Coating Equipment

Mixing and coating are the initial steps in prismatic battery production. These processes ensure the uniform distribution of active materials on the current collector foils.

Equipment	Function	Key Parameters	Advantages	Disadvantages
Mixer	Mixes active materials, binders, and solvents to form a slurry.	Capacity, mixing speed, temperature control	Uniform mixing, high efficiency	High energy consumption
Coater	Applies the slurry onto the current collector foil.	Coating width, thickness, speed	Consistent coating, high throughput	Requires precise control

Drying and Calendering Equipment

Drying and calendering are essential for removing solvents and achieving the desired electrode thickness and density.

Equipment	Function	Key Parameters	Advantages	Disadvantages
Dryer	Removes solvents from the coated electrodes.	Drying temperature, time, air flow	Efficient solvent removal, consistent results	High energy consumption
Calender	Presses the dried electrodes to achieve the desired thickness and density.	Pressure, speed, roller diameter	Uniform thickness, improved conductivity	Requires regular maintenance

Electrode Cutting and Stacking Equipment

Cutting and stacking are critical for preparing the electrodes for cell assembly.

Equipment	Function	Key Parameters	Advantages	Disadvantages
Cutter	Cuts the electrodes into the required dimensions.	Cutting speed, precision, blade life	High precision, fast cutting	Blade wear and tear
Stacker	Stacks the cut electrodes and separators to form the cell stack.	Stacking speed, alignment accuracy	Accurate stacking, high throughput	Requires precise control

Cell Assembly and Sealing Equipment

Cell assembly and sealing are the final steps in creating a functional prismatic battery.

Equipment	Function	Key Parameters	Advantages	Disadvantages
Assembler	Assembles the stacked electrodes and separators into a cell.	Assembly speed, alignment accuracy	High precision, fast assembly	Complex setup
Sealer	Seals the assembled cell to prevent electrolyte leakage.	Sealing temperature, pressure, speed	Leak-proof, consistent sealing	High energy consumption

Selection Principles for Prismatic Battery Manufacturing Equipment

Selecting the right prismatic battery production line equipment is crucial for ensuring high-quality and efficient production. Key factors to consider include performance, reliability, and cost-effectiveness.

Performance and Efficiency

The equipment should meet the required performance standards and be capable of handling the production volume efficiently. Key parameters such as capacity, speed, and precision are essential.

Reliability and Maintenance

Reliable equipment with minimal downtime is essential for continuous production. Regular maintenance and support from the manufacturer are also important considerations.

Cost-Effectiveness

Prismatic Cell Lithium Battery Production Line 1GWh

While high-performance equipment may come at a higher initial cost, it can lead to long-term savings through increased efficiency and reduced maintenance. Cost-benefit analysis is crucial in making the right selection.

Whole Line Configuration and Layout

A well-designed prismatic battery production line ensures smooth and efficient operation. The layout should optimize workflow, minimize material handling, and provide easy access for maintenance and inspection.

Layout Design

The layout should be designed to minimize the distance between different stages of production. A linear or U-shaped layout is commonly used, depending on the available space and production requirements.

Material Handling Systems

Efficient material handling systems, such as conveyors and automated guided vehicles (AGVs), are essential for moving materials between different stages of production. These systems should be integrated into the overall layout to ensure seamless operation.

Quality Control and Inspection

Quality control and inspection stations should be strategically placed throughout the production line to ensure that each step meets the required standards. Automated inspection systems, such as vision systems and X-ray machines, can significantly improve the accuracy and speed of quality control.

Automation Upgrades and Recommendations

Automation is a key factor in improving the efficiency and quality of prismatic battery production. Upgrading to automated systems can lead to significant improvements in production speed, consistency, and cost-effectiveness.

Automated Material Handling

Automated material handling systems, such as robotic arms and AGVs, can significantly reduce the need for manual labor and improve the accuracy and speed of material movement.

Automated Quality Control

Automated quality control systems, such as machine vision and X-ray inspection, can provide real-time monitoring and feedback, ensuring that each step of the production process meets the required standards.

Data Management and Analytics

Implementing data management and analytics systems can provide valuable insights into the production process, helping to identify areas for improvement and optimize overall efficiency. Data-driven decision-making can lead to significant improvements in production quality and cost-effectiveness.

Frequently Asked Questions (FAQs)

Here are some common questions and answers related to prismatic battery production line equipment:

1. What is the primary function of mixing and coating equipment in prismatic battery production?Mixing and coating equipment are used to mix active materials, binders, and solvents to form a slurry, which is then applied to the current collector foils. This ensures the uniform distribution of active materials, which is crucial for the performance of the battery.
2. How does drying and calendering equipment contribute to the quality of prismatic batteries?Drying and calendering equipment remove solvents from the coated electrodes and press them to achieve the desired thickness and density. This ensures consistent and high-quality electrodes, which are essential for the performance and longevity of the battery.
3. What are the key parameters to consider when selecting prismatic battery manufacturing equipment?
   

   

   Prismatic Cell Lithium Battery Production Line 10GWhKey parameters include capacity, speed, precision, reliability, and cost-effectiveness. The equipment should meet the required performance standards, be reliable with minimal downtime, and provide long-term cost savings.

4. How can automation improve the efficiency of prismatic battery production?Automation, such as automated material handling and quality control systems, can significantly improve the efficiency and consistency of prismatic battery production. It reduces the need for manual labor, improves accuracy, and provides real-time monitoring and feedback.
5. What is the role of quality control and inspection in prismatic battery production?Quality control and inspection are essential for ensuring that each step of the production process meets the required standards. Automated inspection systems, such as vision systems and X-ray machines, can significantly improve the accuracy and speed of quality control.
6. How does the layout design of a prismatic battery production line impact efficiency?A well-designed layout minimizes the distance between different stages of production, optimizes workflow, and provides easy access for maintenance and inspection. A linear or U-shaped layout is commonly used to ensure smooth and efficient operation.
7. What are the advantages of using automated material handling systems in prismatic battery production?Automated material handling systems, such as robotic arms and AGVs, reduce the need for manual labor, improve the accuracy and speed of material movement, and ensure consistent and efficient production.
8. How can data management and analytics improve prismatic battery production?Data management and analytics provide valuable insights into the production process, helping to identify areas for improvement and optimize overall efficiency. Data-driven decision-making can lead to significant improvements in production quality and cost-effectiveness.
9. What are the key components of a prismatic battery production line?The key components include mixing and coating equipment, drying and calendering equipment, electrode cutting and stacking equipment, and cell assembly and sealing equipment. Each component plays a specific role in ensuring the quality and performance of the final product.
10. What are the benefits of a well-configured prismatic battery production line?A well-configured production line ensures smooth and efficient operation, minimizes material handling, and provides easy access for maintenance and inspection. This leads to higher production efficiency, better quality control, and lower operational costs.

Case Study: Real-World Application

In a recent project, a leading battery manufacturer implemented a new prismatic battery production line to increase production capacity and improve product quality. The line was configured with state-of-the-art equipment, including advanced mixing and coating systems, high-precision drying and calendering machines, and automated electrode cutting and stacking equipment. The result was a significant increase in production efficiency, with a 20% reduction in production time and a 15% improvement in product quality. The implementation of automated material handling and quality control systems further enhanced the overall efficiency and consistency of the production process.

Conclusion

Understanding and optimizing the prismatic battery production line equipment is essential for achieving high-quality and efficient battery manufacturing. By carefully selecting and configuring the right equipment, and implementing automation and data-driven solutions, manufacturers can significantly improve their production processes and stay competitive in the market.

Prismatic Battery Production Line Equipment List ：

Classified by 5 major process sections, with core functions, expert-level technical specifications and typical configuration reference (benchmarked against 1 GWh annual capacity line).

No.	Process Section	Equipment Name	Core Function	Key Expert Specifications	Typical Configuration Reference
I. Front-End: Electrode Manufacturing Line
1	Raw Material Handling	Automatic Raw Material Weighing & Feeding System	Automatic conveying, weighing and batching of cathode/anode active materials, conductive agents and binders; dust-free closed feeding	Batching accuracy: ±0.1% FS; single batch capacity: 50–200 kg; vacuum pneumatic conveying; metal foreign body removal built-in	2 sets per line (1 for cathode, 1 for anode)
2	Slurry Preparation	Dual-Planetary Vacuum Mixer	Homogenize electrode slurry under vacuum environment; eliminate particle agglomeration and air bubbles	Tank volume: 200–600 L; vacuum degree: ≤ -0.095 MPa; low-speed stirring: 0–60 rpm; high-shear dispersion: 0–3000 rpm	2–4 units per line (matched cathode/anode capacity)
3	Slurry Delivery	Slurry Transfer & Filtration System	Slurry buffering, fine filtration, iron removal and stable pressure delivery to coaters	Filtration precision: 5–10 μm; iron removal precision: ≤ 1 μm; delivery pressure fluctuation: ±0.02 MPa	2 sets per line (1 per electrode side)
4	Electrode Coating	Slot-Die Extrusion Coating Machine	Double-sided uniform coating of slurry onto current collector foils (Al for cathode, Cu for anode)	Coating speed: 60–152 m/min; coating width: 610–1400 mm; areal density tolerance: ±1.5%; servo-driven die gap adjustment	2 units per line (cathode + anode)
5	Electrode Drying	Multi-Zone Convection Drying Oven	Gradient-temperature drying of wet coated film; gradual solvent evaporation to avoid cracking	6–12 independent temperature zones; temp range: 60–150°C; temp accuracy: ±1°C; solvent recovery rate: ≥ 95%	Integrated at coater outlet; 1 per coater
6	In-line Metrology	Coating Thickness & Areal Density Gauge	Real-time non-contact measurement; closed-loop feedback to coater control	Thickness accuracy: ±0.5 μm; sampling rate: ≥ 1000 Hz; X-ray / β-ray detection principle	2 sets per coater (inlet + outlet)
7	Calendering	Double-Roll Hydraulic Calender	Compress electrode to target thickness; increase compaction density and electrical conductivity	Roll diameter: φ600–φ800 mm; roll surface temp: 80–150°C; finished thickness tolerance: ±2.1 μm	2 units per line (cathode + anode)
8	Slitting	Precision Electrode Slitter	Slit wide electrode rolls into narrow strips of specified width	Slitting speed: 20–80 m/min; width accuracy: ±0.11 mm; edge burr height: ≤ 5 μm	2–4 units per line
9	Tab Forming	Laser Die Cutting Machine	Laser-cut tab profiles on electrode strips; burr-free edge quality	Laser power: 300–1000 W; dimensional accuracy: ±0.05 mm; burr height: ≤ 3 μm; no mechanical stress	2–4 units per line
10	Quality Control	Electrode AI Visual Inspection System	In-line detection of coating defects: pinholes, missing material, scratches, foreign particles	Detection resolution: 0.1 mm; defect recognition rate: ≥ 99.5%; AI deep learning algorithm	1 set after slitting & 1 set after die cutting
11	Pre-Assembly Storage	Electrode Vacuum Drying Cabinet	Remove moisture from electrodes; vacuum buffer storage before stacking	Temp: 80–120°C; vacuum degree: ≤ -0.098 MPa; ambient dew point: ≤ -40°C	Sized for 12–24 h production buffer
II. Mid-End: Cell Assembly Line
12	Electrode Stacking	High-Speed Z-Fold Stacking Machine	Alternately stack cathode, anode and separator into Z-fold electrode core	Stacking speed: 0.3–0.8 s per sheet; alignment accuracy: ±0.3 mm; tab alignment deviation: ≤ 0.2 mm	6–8 units per 1 GWh line
13	Tab Joining	Tab Ultrasonic Pre-Welding Machine	Weld stacked tab bundles together for subsequent terminal connection	Welding frequency: 20–40 kHz; welding force: 50–200 N; weld tensile strength: ≥ 50 N	Integrated at stacker outlet
14	Core Inspection	Jelly Roll Short-Circuit Tester	Perform insulation and micro-short circuit test on electrode cores	Test voltage: 500 V DC; insulation resistance detection: 1 MΩ threshold	100% in-line inspection
15	Can Preparation	Prismatic Can Cleaning & Drying Line	Clean, deburr and dry aluminum/steel battery cans before insertion	Dimensional accuracy: ±0.05 mm; particle cleanliness: ≤ 100 particles/can (≥ 0.1 μm)	1 line per assembly line
16	Core Insertion	Can Insertion Machine	Insert electrode core into prismatic can without damaging separator	Insertion accuracy: ±0.2 mm; cycle time: 30–60 PPM; zero-scratch requirement	2–4 units per line
17	Pre-Filling Baking	Cell Vacuum Baking Oven	High-temperature vacuum bake to remove residual moisture inside cell	Temp: 80–120°C; vacuum degree: ≤ -0.098 MPa; baking time: 12–24 h	2–4 units per line; located inside dry room
18	Sealing Welding	Top Cover Fiber Laser Welding Machine	Hermetically weld top cover to can body; complete cell enclosure	Laser power: 1–6 kW; welding speed: 100–300 mm/s; weld penetration: 0.8–1.5 mm	2–4 units per line
19	Seal Verification	Helium Mass Spectrometry Leak Detector	100% inspection of weld sealing integrity	Leak detection sensitivity: ≤ 1×10⁻⁹ Pa·m³/s; cycle matched to welding line	1 unit per welding station
20	Electrolyte Injection	Vacuum Electrolyte Filling Machine	Inject precise amount of electrolyte into cell under vacuum	Filling weight accuracy: ±0.1 g; vacuum degree: ≤ -0.098 MPa; cycle: 20–40 PPM	2–4 units per line; installed in dry room
21	Impregnation	High-Temperature Soaking Storage Rack	High-temperature standing to ensure full electrolyte impregnation	Temp: 44–60°C; soaking time: 11–24 h; dew point: ≤ -40°C	Buffer capacity for 1–2 days of production
III. Back-End: Cell Finishing & Grading
22	Formation	Negative-Pressure Formation Cabinet	Initial low-current charge; activate electrodes; form SEI film; remove generated gas	Current range: 0.02–1 C; voltage accuracy: ±0.1 mV; negative pressure: -0.06 ~ -0.08 MPa	4000–8000 channels per 1 GWh line
23	Degassing	Degassing & Final Sealing Machine	Extract formation gas and permanently seal electrolyte filling port	Seal tensile strength: ≥ 100 N; helium leak rate meets spec; cycle: 30–60 PPM	2–4 units per line
24	Surface Treatment	Cell Surface Cleaning Machine	Clean residual electrolyte from cell surface and dry	No electrolyte residue; non-damaging to shell coating	1 unit per line after sealing
25	Capacity Test	Capacity Grading Cabinet	Standard charge-discharge cycles to calibrate actual cell capacity	Current range: 0.5–5 C; voltage accuracy: ±0.1 mV; current accuracy: ±0.1% FS	6000–12000 channels per 1 GWh line
26	Electrical Test	OCV & AC Internal Resistance Tester	Fast measurement of open-circuit voltage and AC impedance	Voltage accuracy: ±0.1 mV; IR accuracy: ±0.1 mΩ; cycle: ≤ 2 s per cell	2–4 units per line
27	Reliability Screen	Self-Discharge Test Chamber	High-temperature storage + voltage drop measurement to screen micro-short cells	Temp: 45–60°C; voltage detection accuracy: ±0.1 mV; storage period: 7–28 days	Sized by sampling ratio; multiple cabinets
28	Sorting	Automatic Cell Sorting Machine	Sort cells into performance grades by capacity, OCV and IR	Sorting accuracy: ±1 mV / ±0.1 mΩ; ≥ 10 grade bins; throughput: 50–120 PPM	1–2 units per line
29	Final Cell QC	Cell 3D Appearance & Dimension Inspector	Detect appearance defects, swelling and dimensional deviation	Dimensional accuracy: ±0.05 mm; defect recognition rate: ≥ 99.51%	1 set before sorting
IV. Module & PACK Assembly Line
30	Cell Matching	Module-Level Cell Matching System	Secondary sorting to match cells into module groups with ultra-high consistency	In-group OCV difference: ≤ 5 mV; IR difference: ≤ 3 mΩ; capacity difference: ≤ 1%	1 set per PACK line
31	Stacking	6-Axis Robot Stacking Workstation	Arrange cells in series-parallel configuration; place insulation and thermal pads	Positioning accuracy: ±0.1 mm; cycle: 2–5 s per cell	2–4 units per line
32	Compression	Servo Compression & Shaping Press	Compress cell stack to target dimension and maintain pressure for bonding	Force range: 1–5 ton; compression accuracy: ±0.1 mm	1–2 units per line
33	Module Fixing	Module Strapping Machine	Secure module stack with steel or fiberglass bands	Strapping tension: 80–150 N; tension accuracy: ±5 N	1 unit per line
34	Electrical Connection	Galvo Laser Busbar Welding Machine	Laser-weld aluminum/copper busbars to cell terminals	Laser power: 1–3 kW; scan field: 300×300 mm; weld penetration: 0.5–1.2 mm	2–5 units per line
35	Weld QC	AI Weld Quality Inspection System	In-line detection of cold weld, spatter, missing weld and explosion points	Defect recognition rate: ≥ 99.8%; synchronized with welding cycle	1 set per welding station
36	BMS Assembly	BMS Installation & Auto Screw Station	Install BMS board and sampling harnesses; torque-controlled screw locking	Torque range: 0.8–2.5 N·m; torque accuracy: ±5%	1 line per PACK line
37	Thermal Assembly	Thermal Management Assembly Station	Install water cooling plate, thermal pads and heating film	Flatness tolerance: ≤ 0.2 mm; interface bonding rate: ≥ 95%	1–2 stations per line
38	Safety Test	Insulation & Hi-Pot Tester	Mandatory electrical safety test for modules and PACKs	Test voltage: DC 2500 V / AC 1500 V; insulation resistance: ≥ 100 MΩ	1 unit for module, 1 unit for PACK
39	PACK Enclosure	PACK Housing Assembly Line	Assemble upper/lower housing; install seals and fasteners	Full torque traceability; matched with airtightness test	1 line per PACK line
40	Final Test	EOL Comprehensive Test Bench	Full-function end-of-line test: charge-discharge, CAN communication, protection logic, airtightness	Power rating matched to PACK voltage/capacity; CAN baud rate: 250/500 kbps	1–2 units per line
V. Auxiliary & Utility Systems
41	Environment Control	Ultra-Low Dew Point Dry Room System	Maintain ultra-dry environment for filling and baking zones	Dew point: ≤ -40°C ~ -60°C; temp accuracy: ±2°C; humidity accuracy: ±5% RH	Covers filling, soaking and electrode storage areas
42	Clean Room System	Clean Room HVAC System	Control airborne particles for electrode and assembly processes	Cleanliness class: 10,000 / 100,000; positive pressure control; HEPA filtration	Covers entire front-end and mid-end workshop
43	Logistics	AGV / RGV Intelligent Logistics System	Automatic material transfer between processes; MES-integrated scheduling	Positioning accuracy: ±10 mm; multi-vehicle scheduling system	Configured by layout and throughput
44	Digitalization	MES Production Execution System	Full-process data acquisition, traceability, process control and quality management	Barcode/QR code traceability per cell; data sampling ≥ 1 Hz; full process routing	1 system per plant
45	Contamination Control	Dust & Metal Foreign Matter Control System	Remove conductive dust and metal particles from all critical processes	Dust removal efficiency: ≥ 99.9%; metal particle detection: ≥ 50 μm	Installed at coating, slitting, stacking stations
46	Environmental Protection	Waste Gas & Liquid Treatment System	Recover NMP solvent; treat wastewater and exhaust gas to meet emission standards	NMP recovery rate: ≥ 95%; discharge meets national standards	1 complete system per plant
47	Fire Safety	Battery Fire Protection & Suppression System	Thermal runaway early warning and fire suppression for cells, modules and storage	Aerosol / Novec extinguishing agent; multi-sensor early warning	Full coverage of production, storage and test areas
48	Quality Lab	R&D & Quality Laboratory Equipment	Incoming material inspection and product reliability verification	Includes particle size analyzer, SEM, electrochemical workstation, environmental chamber, crush & nail penetration tester	Configured per R&D and QC requirements

 

Prismatic Battery Production Line: Cost Structure & Floor Space Requirements (1 GWh Annual Capacity)

No.	Process Segment	Equipment Category	Estimated Investment (USD Million)	Share of Total Equipment Cost	Expert Technical Notes
I. Front-End: Electrode Manufacturing			13.5	30.0%	Core value lies in precision machinery and process consistency; directly determines cell core performance
1.1	Slurry preparation	Raw material weighing & dual-planetary vacuum mixing system	2.8	6.2%	Includes closed pneumatic conveying, automatic batching and NMP preliminary recovery; explosion-proof design required
1.2	Coating & drying	Slot-die extrusion coater + multi-zone convection drying oven	7.5	16.7%	Single highest-cost unit in front-end; slot die head and drying air circulation system are the core value components
1.3	Post-coating processing	Calender, precision slitter & laser die cutter	2.2	4.9%	Cost driven by precision roll hardness, laser source power and slitting accuracy
1.4	In-line quality control	Thickness/areal density gauge + AI visual inspection + vacuum electrode storage	1.0	2.2%	X-ray/β-ray metrology systems account for over 60% of this segment’s cost
II. Mid-End: Cell Assembly			16.2	36.0%	Highest cost segment; determines line capacity bottleneck and product yield
2.1	Electrode stacking	High-speed Z-fold stacking machines	8.1	18.0%	Capacity bottleneck of the entire line; 6–8 units required per 1 GWh; imported high-speed stackers can double this cost
2.2	Sealing & welding	Can insertion machine + top cover fiber laser welder + helium leak detector	4.5	10.0%	High-power fiber laser and helium mass spectrometer are high-value items; directly affects cell safety and sealing reliability
2.3	Electrolyte injection	Vacuum electrolyte filling machine + high-temperature soaking rack	2.8	6.2%	Cost determined by filling precision, vacuum level and dry-room integration degree
2.4	In-process QC	Short-circuit tester + tab welding inspection + RGV conveying system	0.8	1.8%	100% in-line insulation testing is mandatory for safety control
III. Back-End: Cell Finishing & Grading			7.2	16.0%	Cost scales with channel count; test accuracy directly determines cell grading consistency
3.1	Formation	Negative-pressure formation cabinets	3.8	8.4%	5000–8000 channels per 1 GWh; power electronics precision and negative-pressure gas extraction capability drive pricing
3.2	Grading & testing	Capacity grading cabinet + OCV/AC internal resistance tester	2.2	4.9%	8000–12000 channels per 1 GWh; high-current and high-precision models carry a significant premium
3.3	Sorting & final QC	Degassing & sealing machine + automatic sorter + 3D appearance inspector	1.2	2.7%	AI vision defect detection systems are the fastest-growing cost component in this segment
IV. Module & PACK Assembly			5.4	12.0%	Highly flexible; cost varies greatly by automation level and PACK product type
4.1	Module stacking	Cell matching system + 6-axis robot stacking workstation + servo compression press	2.0	4.4%	Robot brand and positioning accuracy are the main cost variables
4.2	Electrical assembly	Galvo laser busbar welder + BMS installation & auto screw station	1.8	4.0%	Multi-station concurrent welding configuration improves takt time but increases investment
4.3	Final testing	Insulation & hi-pot tester + EOL comprehensive test bench	1.6	3.6%	High-voltage safety test and full-function simulation test are mandatory delivery gates
V. Auxiliary & Utility Systems			2.7	6.0%	Often underestimated; directly impacts long-term operating cost and safety compliance
5.1	Environment control	Dry room dehumidification + clean room HVAC system	1.1	2.4%	Building structure and civil construction cost not included; lower dew point requirement exponentially increases cost
5.2	Digital & logistics	AGV/RGV intelligent logistics + MES production execution system	0.7	1.6%	Full-process barcode traceability and real-time process closed-loop control
5.3	Safety & lab	Battery fire suppression system + EHS treatment + quality lab equipment	0.9	2.0%	Includes thermal runaway suppression, waste gas/liquid treatment and material analysis instruments
Total			~45.0	100%	Typical domestic mainstream line; imported high-end configuration ranges from 70–80 million USD