EL-Cell PAT-Stand-4 4-Position Modular Electrochemical Test Stand

Overview

The EL-Cell PAT-Stand-4 is a precision-engineered, modular electrochemical test stand designed for high-integrity, multi-cell battery and electrode characterization under controlled laboratory conditions. It serves as a mechanical and electrical interface platform that accommodates up to four PAT-Series electrochemical test modules—each built around the standardized PAT-Core cell architecture—in a linear, space-efficient configuration. The PAT-Stand-4 operates on the principle of galvanostatic and potentiostatic control via external electrochemical workstations, enabling simultaneous, independent voltage/current monitoring of up to four coin-type or pouch-style half- or full-cells. Its design prioritizes experimental reproducibility, minimal setup variability, and compatibility with stringent ambient control environments—including inert-atmosphere gloveboxes and temperature-regulated chambers—making it suitable for R&D in lithium-ion, solid-state, sodium-ion, and next-generation battery material development.

Key Features

• Modular 4-position linear mounting base engineered for direct integration with EL-Cell’s PAT-Core and ECC-PAT-Core electrochemical test cells.
• Standardized mechanical interface ensures consistent electrode alignment, pressure application, and current collector contact across all mounted modules.
• Dual electrical connectivity options: front-panel 4-mm banana sockets for rapid prototyping and Sub-D hardwired connectors for permanent, low-noise integration into automated test systems.
• Compact footprint (301 × 119 mm) and low mass (0.67 kg) enable seamless placement inside gloveboxes (Ar/N₂), environmental chambers (−40 °C to +85 °C), and vibration-isolated optical tables.
• Constructed from non-magnetic, corrosion-resistant materials; compatible with battery-grade Al (lower plunger), Cu (upper plunger), and PP (insulation sleeve); optional 316L stainless steel current collectors available upon request.
• Eliminates individual cabling per cell—reducing wiring complexity, contact resistance variability, and setup time by >70% compared to discrete single-cell configurations.

Sample Compatibility & Compliance

The PAT-Stand-4 supports all PAT-Series test modules utilizing the PAT-Core architecture—including configurations with or without integrated ring-shaped reference electrodes for three-electrode measurements. It is fully compatible with standard 2032/18650-sized coin cells, custom-diameter disc electrodes, and thin-film symmetric/asymmetric configurations when paired with appropriate PAT-Cell housings. All structural components meet ISO 8502-3 cleanliness standards for electrochemical testing hardware and are free of halogenated compounds, silicone, and zinc—ensuring no contamination during long-term cycling or open-circuit voltage (OCV) stability studies. The platform complies with general lab safety requirements for benchtop electrochemical instrumentation (IEC 61010-1) and supports GLP/GMP-aligned workflows through traceable cell mounting sequences and documented electrical interface calibration.

Software & Data Management

While the PAT-Stand-4 itself is a passive mechanical/electrical interface, its architecture enables full synchronization with industry-standard electrochemical software platforms—including Gamry Framework, BioLogic EC-Lab, and Scribner Associates’ PowerSuite—via standardized analog/digital I/O mapping. When used with compliant potentiostats supporting multi-channel operation (e.g., Gamry Reference 3000 with auxiliary analog inputs), users can assign unique channel identifiers per position, enabling timestamp-synchronized data acquisition across all four cells. Audit trails, metadata tagging (e.g., cell ID, electrolyte batch, pressure load), and export to .mpt/.txt/.csv formats are preserved natively. For regulated environments, the system supports 21 CFR Part 11-compliant electronic signatures when deployed with validated software stacks and access-controlled user accounts.

Applications

• High-throughput screening of cathode/anode active materials, binders, and electrolyte formulations under identical thermal and electrical boundary conditions.
• Comparative SEI growth kinetics analysis using identical cycling protocols across multiple electrode batches.
• Reference electrode validation studies requiring parallel three-electrode configurations with matched counter/reference geometries.
• Pressure-dependent interfacial impedance spectroscopy (EIS) across stacked electrode architectures.
• Pre-validation of cell designs prior to scale-up in 16-position PAT-Tray systems—ensuring protocol transfer fidelity.
• Accelerated aging studies where statistical significance requires ≥4 replicates under identical environmental control.

FAQ

Can the PAT-Stand-4 be used with non-EL-Cell electrochemical cells?
Yes—provided the cell geometry and electrical interface (e.g., spring-loaded contacts, terminal spacing) are mechanically and electrically compatible with the PAT-Core mounting standard.
Is thermal management integrated into the stand?
No—the PAT-Stand-4 is thermally passive. However, its dimensional stability and material selection allow direct integration with external Peltier plates, liquid-cooled plates, or chamber-mounted thermal interfaces.
Does it support real-time pressure monitoring?
Not natively—but optional load cells or piezoresistive sensors can be integrated between the upper plunger and actuator when used with third-party compression stages.
What is the maximum recommended current per channel?
Determined solely by the connected potentiostat and cell configuration; the PAT-Stand-4 introduces no current-limiting elements and maintains <1 mΩ contact resistance per channel at 1 A DC.
Are replacement PAT-Core components available separately?
Yes—EL-Cell supplies certified PAT-Core subassemblies (Al/Cu plungers, PP sleeves, reference electrode kits) with lot-specific material certifications and dimensional QA reports.