Battery supporting materials
Nickel Tab and Nickel Sheet Battery Current Collectors for Lithium Polymer Pouch Cells
Item Number : FZ38
Price varies based on specs and customizations
- Substrate Material
- High-Purity Nickel (Ni) / Nickel-Plated Copper (Ni-Cu)
- Width Range & Thickness
- 2–25 mm (0.1/0.2 mm THK); ≥25 mm (0.2 mm THK)
- Tab Sealant Film Colors
- White / Yellow / Black
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Product Overview
This high-purity nickel tab and nickel sheet solution serves as the primary negative current collector terminal for lithium-ion polymer and pouch cell battery encapsulation. Engineered to ensure low contact resistance and high current transfer efficiency, the conductive strips bridge internal cell electrode layers directly to external circuit connections. They provide exceptional structural integrity and chemical stability during continuous charge and discharge cycles.
Designed for demanding electrochemical environments, the conductive tabs are widely utilized in automotive pouch cell manufacturing, consumer electronics battery prototyping, solid-state battery development, and academic energy storage research. The material withstands aggressive organic electrolytes while maintaining consistent mechanical properties across elevated temperature profiles, making it essential for both automated pack assembly and manual cell prototyping.
Every conductive tab is fabricated under rigorous metallurgical standards to guarantee tight dimensional tolerances, uniform surface morphology, and dependable ultrasonic or laser weldability. Integrated high-performance sealant films ensure an airtight, electrolyte-resistant hermetic seal with aluminum laminated film packaging, preventing internal short circuits, moisture ingress, and solvent leakage over extended operating lifespans.
Key Features
- High Electrical Conductivity and Low Resistance: Formulated from high-purity nickel and optional nickel-plated copper substrates to minimize internal impedance, eliminate localized thermal hotspots, and optimize energy throughput in high-drain battery applications.
- Airtight Hermetic Polymer Sealant: Pre-laminated with specialized tri-layer tab sealant film (available in white, yellow, and black) engineered to melt and fuse seamlessly with outer aluminum laminated pouch films under standard heat-sealing parameters.
- Superior Corrosion and Electrolyte Resistance: Exhibits exceptional chemical passivity against standard organic carbonate solvents, lithium hexafluorophosphate (LiPF6) salts, and corrosive degradation mechanisms encountered inside sealed pouch cells.
- Flexible Substrate Material Configurations: Available in pure nickel (Ni) for standard anode terminal leads or nickel-clad copper (Ni-Cu) for applications demanding enhanced electrical conductance and minimal resistance.
- Extensive Dimensional Versatility: Offered across narrow and wide profiles from 2 mm up to and exceeding 25 mm, with calibrated thicknesses of 0.1 mm and 0.2 mm to accommodate micro-cells, standard consumer packs, and large automotive pouch cells.
- Optimized Surface Finish for Welding: Precision-rolled surface topography facilitates robust bonding during ultrasonic metal welding, resistance spot welding, and laser tab welding without causing micro-cracking, delamination, or burn-through.
- Thermal Stability Under Extreme Loads: Retains mechanical tensile strength, shape fidelity, and interfacial adhesion at elevated operating temperatures and under continuous high C-rate cycling.
- Color-Coded Visual Identification: Multi-colored sealant tape options streamline polarity identification, cell tracking, and automated optical inspection (AOI) during multi-step battery assembly processes.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Electric Vehicle (EV) Pouch Cells | Large-format pouch cell terminal connections requiring robust continuous current carrying capacity. | Minimized thermal buildup and exceptional joint reliability under dynamic vibration. |
| Consumer Electronics Polymer Cells | Ultrathin lithium polymer batteries for smartphones, laptops, tablets, and wearable electronics. | Ultra-compact 0.1 mm profile maximizes gravimetric energy density and space utilization. |
| Energy Storage Systems (ESS) | High-capacity stationary pouch cells assembled into grid-scale battery energy storage modules. | Long-term chemical resistance and anti-oxidation stability over multi-year operational cycles. |
| High-Rate Drone & RC Battery Packs | High-discharge LiPo battery packs demanding minimal internal resistance during burst discharge. | Reduced voltage drop and maximum power delivery through optional nickel-copper configurations. |
| Solid-State Battery R&D | Experimental cell prototyping utilizing novel solid electrolytes and pouch encapsulation methods. | High dimensional reproducibility and clean surface chemistry for accurate laboratory testing. |
| Medical Device Power Packs | Highly reliable hermetic battery cells for implantable, diagnostic, and portable medical hardware. | Zero-defect hermetic bonding prevents electrolyte seepage and maintains sterile integrity. |
| Automated Cell Assembly Lines | High-throughput roll-to-roll or pre-cut pouch cell tab welding and thermal packaging workflows. | Consistent mechanical flatness and burr-free edges eliminate feeder jamming and downtime. |
Technical Specifications
| Parameter | FZ38-Ni-S Series (Narrow Profile) | FZ38-Ni-L Series (Wide Profile) | FZ38-NiCu Hybrid Series |
|---|---|---|---|
| Primary Substrate Material | High-Purity Nickel (Ni) | High-Purity Nickel (Ni) | Nickel-Clad Copper (Ni-Cu) |
| Terminal Polarity Compatibility | Anode / Negative Terminal | Anode / Negative Terminal | Anode / Negative Terminal |
| Width Range | 2.0 mm – 25.0 mm | ≥ 25.0 mm | 2.0 mm – ≥ 25.0 mm |
| Thickness Options | 0.1 mm / 0.2 mm | 0.2 mm | 0.1 mm / 0.2 mm |
| Sealant Tape Color Options | White / Yellow / Black | White / Yellow / Black | White / Yellow / Black |
| Sealant Film Compatibility | Cast Polypropylene (CPP) / Aluminum Laminated Film | Cast Polypropylene (CPP) / Aluminum Laminated Film | Cast Polypropylene (CPP) / Aluminum Laminated Film |
| Heat Sealing Temperature Range | 165°C – 195°C | 165°C – 195°C | 165°C – 195°C |
| Electrical Resistivity (Substrate) | ~6.99 μΩ·cm (Pure Ni) | ~6.99 μΩ·cm (Pure Ni) | Low Equivalent Resistivity (Composite) |
| Tensile Strength | ≥ 400 MPa | ≥ 400 MPa | ≥ 350 MPa |
| Elongation at Break | ≥ 15% | ≥ 15% | ≥ 20% |
| Edge Quality | Precision slit, burr-free (< 5 μm) | Precision slit, burr-free (< 5 μm) | Precision slit, burr-free (< 5 μm) |
| Surface Condition | Degreased, uniform rolling luster, oxidation-free | Degreased, uniform rolling luster, oxidation-free | Degreased, uniform rolling luster, oxidation-free |
Why Choose This Product
- Engineered Hermetic Integrity: The high-performance multi-layer polymer sealant tape forms a molecular bond with aluminum packaging film, preventing micro-leakage pathways and moisture intrusion across the battery lifecycle.
- Stringent Metallurgical Purity: Fabricated from vacuum-melted, ultra-clean nickel and copper alloys to deliver homogeneous microstructure, uniform resistivity, and predictable thermal behavior under high-current discharge.
- Precision Slitting and Burr Control: State-of-the-art slitting processes eliminate sharp edge burrs, preventing internal separator puncture and localized high-stress concentrations during pouch folding and vacuum sealing.
- Customizable Dimensions and Material Blends: Full support for tailored tab widths, extended lengths, customized sealant film positions, and alternative copper-nickel alloy structures to match specific cell engineering blueprints.
- Comprehensive Battery Workflow Compatibility: Flawlessly pairs with standard ultrasonic metal welders, hot-bar tab sealers, and pouch vacuum final sealing stations across laboratory R&D and commercial production environments.
Contact our technical engineering team today to request customized dimension quotes, material samples, or specific configuration guidance for your cell manufacturing program.
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