ATM-PCBT-PP-5L POUCH CELL CYCLE TEST FIXTURERESEARCH GRADE MECHANICAL EQUIPMENT
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The polypropylene fixture must not be exposed to temperatures exceeding the material's calibrated thermal threshold when deployed inside climate chambers. The central clamping bolt must never be tightened beyond the 150 kg maximum structural load limit to prevent plastic thread fatigue and maintain uniform pressure distribution.
- Thermal threshold limitation: Do not operate the PP fixture in climate chambers at temperatures above its specified thermal limit to avoid material degradation.
- Mechanical over-tightening prevention: Never tighten the central locking nut beyond the 150 kg maximum structural load to prevent thread stripping and loss of compression uniformity.
- Glovebox compatibility check: Verify that the fixture dimensions and access port size are compatible before deployment; custom sizing is available for specific glovebox configurations.
- Electrolyte resistance variance: The default PP construction offers full electrolyte immersion resistance with zero swelling, but alternative material options require matching to the specific electrolyte chemistry.
- Pressure distribution requirement: The single-nut mechanism requires gradual and uniform tightening to ensure equal face-to-face compression across all five grid layers.
Place the pouch cell assembly into the desired grid layer of the five-layer polypropylene structure. Adjust the central locking nut to apply the calibrated 80 kg working pressure, ensuring even compression via the die-spring buffer arrays.
Required Equipment: Central locking nut, Die-spring displacement buffer array, Optional pressure sensor
- Insert cell into grid
Insert the pouch cell into the appropriate grid layer, ensuring alignment with the buffer array for even load distribution. - Adjust thickness gap
Adjust the thickness gap by rotating the central nut to accommodate the cell package thickness within the 0.1 to 3.5 cm adjustable range. - Tighten to working pressure
Tighten the central nut gradually to achieve the desired working pressure, monitoring with the optional pressure sensor if installed. - Verify compression uniformity
Verify uniform compression across all five layers by visual inspection or by checking the pressure distribution readout. - Deploy in climate chamber
Deploy the assembled fixture into the climate chamber, ensuring the ambient temperature remains within the PP thermal threshold.
How does the choice between default PP and 7075-T6 aluminum affect the maximum working pressure and real-time pressure monitoring capability in the ATM-PCBT-PP-5L fixture?
The default PP material is ultra-lightweight, fully electrolyte-resistant, and cost-effective, but optimized for low-pressure testing with a standard working pressure of 80 kg (customizable up to a 150 kg max structural load limit) and does not include a built-in pressure sensor. In contrast, 7075-T6 aluminum offers the highest strength among aluminum alloys, supports precision cycle testing, and allows integration of an essential structural pressure sensor for real-time monitoring, making it suitable for applications requiring higher, more uniformly distributed pressure.
What cell thickness range does the ATM-PCBT-PP-5L fixture accommodate, and can it be customized for glovebox space constraints?
The fixture supports an adjustable physical thickness gap envelope for cell packages from 0.1 cm up to 3.5 cm, enabling testing of thicker batteries or multiple cells simultaneously across its five-layer grid. The PP construction is fully electrolyte-resistant with zero swelling inside gloveboxes, and customized dimensions are available to meet specific glovebox deployment space constraints; contact the engineering team for tailored sizing.
What are the critical operational limits for using the PP-based ATM-PCBT-PP-5L fixture in climate chambers to avoid damage?
When deploying plastic fixtures inside climate chambers, do not exceed the calibrated thermal threshold of PP material. Additionally, do not over-tighten the central bolt beyond the maximum theoretical load limit of 150 kg to avoid plastic thread fatigue, as the single-nut locking mechanism is designed for calibrated uniform compression at the standard 80 kg working pressure.
The ATM-PCBT-PP-5L is a lightweight, fully insulated PP pouch cell fixture designed for uniform low-pressure compression of up to five cells simultaneously, with zero electrolyte swelling, but requires careful thermal and torque management to avoid material degradation.
Positive
- Complete electrolyte non-swelling: Engineered from chemical-grade polypropylene, the fixture exhibits zero structural swelling or chemical distortion under direct electrolyte immersion, ensuring long-term dimensional stability in glovebox cycling tests.
- Uniform low-pressure distribution: The single-nut locking mechanism combined with a die-spring buffer array delivers 100% uniform face-to-face compression across all five grids, eliminating localized stress concentrations and protecting sensitive cell films.
Trade-offs
- Thermal sensitivity of PP material: The polypropylene structure has a calibrated thermal threshold; deploying the fixture in climate chambers above this limit risks structural softening or creep, requiring strict temperature control.
- Thread fatigue from over-tightening: Plastic thread fatigue can occur if the central bolt is tightened beyond the maximum load limit (150 kg), necessitating torque discipline to maintain clamping integrity over repeated use.
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).
