Battery supporting materials
High Purity Aluminum Battery Tabs 5mm Width for Polymer Lithium Pouch Cell Current Collectors
Item Number : FZ36
Price varies based on specs and customizations
- Material Composition
- Aluminum 99.99%
- Dimensions (L × W × T)
- 48 mm × 5 mm × 0.1 mm
- Maximum Carrying Current
- 5 A
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Product Overview
These premium aluminum battery tabs provide the critical conductive interface between internal pouch cell cathode current collectors and external electrical circuits. Fabricated from 99.99% high-purity aluminum, each component is engineered to deliver minimal electrical resistance, exceptional thermal dissipation, and dependable electrochemical stability under continuous charge-discharge cycling. The standardized 5 mm width and 0.1 mm thickness profile ensure seamless compatibility with standard polymer pouch cell packaging lines, glovebox fabrication setups, and automated ultrasonic welding equipment.
Designed primarily for research laboratories, pilot-scale pouch cell manufacturing, and advanced energy storage development, these tabs serve as positive terminal connectors across lithium-ion, lithium-polymer, and emerging solid-state battery platforms. Their uniform mechanical properties facilitate clean foil-to-tab bonding, eliminating localized impedance spikes and reducing interfacial resistance across varied testing regimes.
Manufactured under rigorous cleanroom standards, these tabs offer outstanding resistance to electrolyte-induced oxidation, micro-corrosion, and chemical degradation. Their strict geometric consistency guarantees smooth integration with heat-sealing polymer tab films, mitigating the risk of electrolyte leakage, pouch delamination, or atmospheric ingress during prolonged cycling and thermal stress testing.
Key Features
- 99.99% High-Purity Aluminum Construction: Formulated with ultra-pure aluminum to achieve maximum electrical conductivity and inhibit parasitic electrochemical reactions or metallic dissolution at high operating potentials.
- Precision Micro-Tolerance Dimensions: Produced to exact 48 mm length, 5 mm width, and 0.1 mm thickness metrics, ensuring uniform pressure distribution during ultrasonic welding and pouch edge sealing.
- Optimized 5A Current Carrying Capacity: Engineered to support continuous current loads up to 5A without thermal runaway, localized hotspot generation, or premature metallurgical fatigue.
- Superior Ultrasonic Weldability: Clean crystalline surface architecture ensures rapid, stable acoustic bonding with multiple layers of aluminum cathode foil current collectors without micro-tearing.
- Burr-Free Edge Finishing: Precision cut edges eliminate micro-burrs and sharp ridges, preventing puncture damage to delicate aluminum laminated pouch packaging films during hot-pressing and vacuum sealing.
- Minimal Gravimetric Impact: Weighing approximately 60 mg per piece, these ultralight terminals maintain precise cell weight accounting for accurate gravimetric energy density evaluations in R&D environments.
- Protected Cleanroom Packaging: Supplied in secure 20-piece packs to prevent atmospheric oxidation, surface hydrocarbon contamination, and mechanical deformation prior to assembly.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Lithium Polymer Pouch Cell Fabrication | Serves as the primary positive terminal lead welded to aluminum cathode collector stacks in custom pouch cell builds. | Minimizes interfacial impedance while ensuring a hermetic seal against electrolyte migration. |
| Solid-State Battery Research | Integrated into prototype solid-state and gel-polymer electrochemical test cells requiring high oxidation resistance. | Resists chemical breakdown and side reactions at higher operating cell voltages up to 4.5V+. |
| Wearable & IoT Energy Storage R&D | Utilized in ultra-thin, low-profile flexible lithium polymer battery prototypes for consumer electronics. | Compact 5 mm profile enables compact packaging without sacrificing current-carrying efficiency. |
| High-Rate Pulse Discharge Testing | Applied in pulse power evaluation platforms for compact medical device batteries and micro-drone power packs. | Handles continuous loads up to 5A with stable thermal management and low resistive losses. |
| Battery Pilot Line Process Verification | Used in standardizing ultrasonic tab-welding and pouch-sealing parameters before scaling to full industrial production. | Highly consistent dimensional tolerances ensure repeatable parameter optimization across batch runs. |
| Academic Materials Science Testing | Acts as standard current-collecting leads for novel cathode active material screening and half-cell evaluations. | High chemical purity prevents spurious metallic interference in sensitive electrochemical data. |
Technical Specifications
| Specification Parameter | Value / Details |
|---|---|
| Product Item Identifier | FZ36 |
| Base Material | High-Purity Aluminum (Al ≥ 99.99%) |
| Tab Polarity / Terminal Assignment | Positive Terminal (Cathode Connection) |
| Overall Length | 48.0 mm |
| Strip Width | 5.0 mm |
| Foil Thickness | 0.10 mm (100 µm) |
| Maximum Continuous Current Load | 5 A |
| Nominal Mass per Piece | 60 mg |
| Standard Packaging Quantity | 20 pieces / pack |
| Compatible Welding Technologies | Ultrasonic Metal Welding, Resistance Spot Welding, Laser Micro-Welding |
| Cell Format Compatibility | Pouch Cells, Polymer Lithium-Ion, Solid-State Laminates, Sodium-Ion Pouch Formats |
Why Choose This Product
- Consistent Electrochemical Reliability: High metallurgical purity guarantees predictable conductivity and negligible internal resistance, essential for reproducible electrochemical impedance spectroscopy (EIS) and cycle-life testing.
- Flawless Thermal & Mechanical Bonding: Clean surface state optimizes energy transfer during ultrasonic welding, forming robust intermetallic bonds with thin cathode foils while resisting mechanical vibration and thermal cycling fatigue.
- Leak-Resistant Pouch Sealing: Uniform strip thickness and smooth edge profiles facilitate complete bonding with thermal tab sealant films, protecting sensitive chemistries from moisture ingress and hazardous electrolyte leakage.
- Designed for Rigorous R&D Standards: Rigorous dimensional control ensures that laboratory findings scale smoothly into pilot manufacturing without unexpected mechanical or electrical variances.
Contact our technical specialists today to discuss your cell prototyping specifications, request batch pricing, or explore our full range of battery fabrication and testing equipment.
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