ATM-PCBT-AL7075-4L 4-LAYER POUCH CELL BATTERY CYCLE TEST FIXTURERESEARCH GRADE EQUIPMENT
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This fixture requires operation within a dry room environment to prevent pressure sensor signal contamination. The four-layer parallel plate assembly must maintain uniform pressure distribution across the entire cell surface to avoid stress localization.
- Pressure Limit: Standard working pressure is 350 kg, customizable up to 500 kg for the default 7075-T6 aluminum alloy.
- Cell Thickness Compatibility: The fixture supports pouch cell thicknesses from 0.1 mm to 2.5 cm with adjustable vertical spacing between plates.
- Material Compatibility: Optional materials such as 316 stainless steel or PEEK offer enhanced electrolyte resistance for harsh chemical environments.
- Dimensional Constraint: Maximum cell length and width are calculated as fixture dimensions minus 30 mm to ensure proper alignment.
- Surface Protection: Anodized scratch-proof coating prevents physical degradation of delicate cell casings during clamping.
Proper setup ensures uniform pressure distribution and accurate cycle testing data. Follow these steps to configure the fixture for a single pouch cell.
Required Equipment: Pressure sensor cable, Single nut locking mechanism, Pouch cell under test
- Select Fixture Size
Select the appropriate fixture size by ensuring the cell length and width are at least 30 mm smaller than the fixture dimensions. - Adjust Plate Spacing
Adjust the four-layer vertical spacing to match the pouch cell thickness within the supported range of 0.1 mm to 2.5 cm. - Position Cell
Place the pouch cell centrally on the bottom plate with its terminals aligned to avoid contact with metal edges. - Apply Clamping Force
Tighten the single nut gradually using a torque wrench to apply uniform pressure up to the standard 350 kg limit. - Connect Pressure Sensor
Connect the pressure sensor cable to the external monitoring system and confirm real-time data transmission. - Verify Alignment
Verify that all four plates remain parallel and that no gaps exist between plates before starting cycle testing.
Given that the 120×160 mm fixture is available in both 10 mm and 12 mm plate thickness, what performance trade-off exists between these two variants under a 500 kg maximum load?
The 12 mm plate variant offers reinforced rigidity and superior parallel face retention under heavy loading compared to the 10 mm variant, while both support the same 500 kg theoretical maximum load. The 12 mm plates ensure rigid alignment and non-deflective mechanical surface alignment, making it preferable for extended high-pressure cycling where dimensional stability is critical.
What is the formula to determine the maximum pouch cell dimensions that can be tested in a given fixture size, and what is the standard thickness range supported?
The maximum cell length and width are calculated as fixture length and width minus 30 mm. For example, a 100×130 mm fixture supports cells up to 70×100 mm. The standard supported cell thickness ranges from 0.1 mm to 2.5 cm, with four-layer vertical spacing adjustable upon request for non-standard thicknesses.
What operational precautions are required to maintain pressure sensor accuracy during long-term thermal validation loops with this fixture?
All digital connection channels must be properly insulated and the fixture operated within a dry room testing environment to avoid external signal contamination before long-term thermal validation loops. The integrated pressure sensor with real-time acquisition cable allows constant external pressure data tracking without introducing electrical noise, provided these precautions are followed.
The ATM-PCBT-AL7075-4L is a rigid four-layer 7075-T6 aluminum alloy fixture with single-nut concentric clamping that delivers uniform pressure distribution for reproducible pouch cell cycle testing. It requires dry room operation and careful signal insulation to avoid sensor interference, and cell dimensions must be 30 mm smaller than the fixture plate size in both length and width.
Positive
- Uniform single-nut pressure distribution: The single-nut mechanical layout ensures balanced parallel load transfer across the cell surface, preventing stress localization and maintaining alignment during high-load cycling.
- Aircraft-grade 7075-T6 aluminum construction: Precision-machined from uniform 7075-T6 alloy, the fixture provides high yield strength, rigid non-deflective properties, and exceptional parallel face retention under working pressures up to 500 kg.
Trade-offs
- Requires dry room and signal isolation: The pressure sensor data lines must be kept properly insulated and the fixture operated within a dry room environment to avoid external signal contamination before long-term thermal validation loops.
- Cell size limited by fixture dimensions: Maximum cell length and width must be 30 mm less than the corresponding fixture plate dimensions, and off-the-shelf sizes may not cover all pouch cell geometries without customization.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
