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Ni Cu Clad Metal Sheet High Conductivity for Lithium Battery
High-conductivity Ni Cu clad metal sheet for lithium battery applications. One side pure nickel, one side pure copper — delivering excellent weldability, superior electrical conductivity, and corrosion resistance. Ideal nickel copper clad sheet for Li-ion battery tabs, terminals, and current collectors. Custom thicknesses and ratios available.
- Overview
- Applications
- DLX Alloy
- FAQs
- Recommended Products
Product Overview of Cu Ni Clad Metal Sheet
Our Ni Cu clad metal sheet is a high-performance bimetallic material designed specifically for lithium battery applications. One side is pure nickel for excellent spot-welding capability and corrosion resistance, while the other side is pure copper for superior electrical and thermal conductivity.
This nickel copper clad sheet significantly reduces internal resistance and heat generation compared with pure nickel tabs, while maintaining easy weldability to battery cans and current collectors. Ideal for high-drain lithium-ion and LiFePO4 battery packs, it supports higher current carrying capacity, improved energy efficiency, and longer battery life in demanding lithium battery systems.
Product Features of Cu Ni Clad Metal Plate Supplier
1.High conductivity Ni Cu clad structure combining pure copper core performance with pure nickel surface benefits
2.Excellent electrical conductivity (typically 60–80% IACS depending on ratio) for reduced voltage drop and heat generation in lithium battery tabs
3.Superior weldability on the nickel side for reliable resistance, ultrasonic, or laser welding to battery cells and current collectors
4.Outstanding corrosion resistance from the pure nickel layer, protecting against environmental degradation
5.Strong metallurgical bond between nickel and copper layers ensuring no delamination during forming or use
Physical Properties & Chemical Composition
| Physical Properties | Pure Nickel Layer | Pure Copper Layer | Bimetal (Avg. at 20% Ni) |
|---|---|---|---|
| Density (g/cm³) | 8.89 | 8.96 | ~8.94 |
| Conductivity (% IACS) | ~22 | 100 - 101 | 82 - 88 |
| Thermal Conductivity (W/m·K) | 90.7 | 390 - 400 | ~330 |
| Elastic Modulus (GPa) | 207 | 110 - 128 | 135 - 150 |
| Material Layer | Ni (%) | Cu (%) | Fe (%) | C (%) | S (%) |
|---|---|---|---|---|---|
| Pure Nickel Side | 99.6 min | 0.10 max | 0.10 max | 0.05 max | 0.005 max |
| Pure Copper Side | - | 99.9 min | - | - | - |
Applications of Copper Nickel Clad Sheet Factory
1.EV Battery Modules: Main current-carrying tags for high-performance electric vehicles in the US and EU.
2.Grid-Scale Energy Storage: Transition plates for BESS (Battery Energy Storage Systems) requiring long-term reliability.
3.Consumer Power Electronics: High-efficiency connectors for premium laptops, drones, and medical backup batteries.
4.Fast-Charging Infrastructure: Bimetallic interconnects for high-power DC fast-charging battery buffers.
5.Aerospace & Defense: Reliable bimetal sheets for high-altitude, low-temperature battery survival environments.
Key advantage：
✔Dual-Metal Synergy: Combines copper's 100% IACS conductivity with nickel’s superior spot-welding reliability.
✔Cold-Rolling Precision: Manufactured using high-precision mills to ensure cladding ratio uniformity within ±2%.
✔Automated Line Compatibility: Burr-free slitting and high flatness ensure zero jams in high-speed automated assembly equipment.
✔Western Market Compliance: Optimized documentation and certification (RoHS/REACH) for seamless import into the USA and EU.
⭐Company Intro - DLX Alloy
Changzhou DLX Alloy Co., Ltd. has established itself as a resilient and technically advanced partner for the accelerating electrification hubs in North America and Europe. With a 12,000 m² facility optimized for high-fidelity bimetal production, we specialize in bridging the gap between large-scale metallurgy and the precision needs of the modern lithium battery value chain. Our strategic focus on the US and EU markets is built on a foundation of technical transparency, IATF-aligned quality control, and an agile supply chain that responds instantly to evolving battery architectures. By choosing DLX, you are partnering with a scaled manufacturer committed to supporting the global transition to green energy with the highest standards of international industrial certification and engineering synergy.
Quality & Standards : DLX implements a zero-defect quality system for battery materials. We utilize online ultrasonic testing to ensure 100% bond integrity and automated optical inspection (AOI) for surface defects. All materials are fully compliant with RoHS 3, REACH, and UL standards for electronic insulation and safety.
Forms: sheet, strips, or custom pre-cut tags.
Packaging: Vacuum-sealed anti-oxidation VCI bags inside reinforced wooden crates.
MOQ: 5kg for standard 2:8 ratio stock; 20kg for custom thickness or specific tempers.
Documentation: Full MTC (EN10204 3.1), RoHS compliance certificate, and Bond Strength Report.
FAQs:
Q1: What is the structure of this Ni Cu clad metal sheet?
A: It features one side pure nickel and one side pure copper, metallurgically bonded into a single clad sheet. The nickel side provides excellent weldability and corrosion resistance, while the copper side delivers high electrical and thermal conductivity for lithium battery applications.
Q2: Why choose Ni Cu clad metal sheet over pure nickel for lithium battery tabs?
A: Pure nickel has lower conductivity (~22% IACS). The copper layer in Ni Cu clad sheet dramatically increases conductivity (often 4× higher current capacity), reduces heat generation and internal resistance, while the nickel surface retains easy spot-welding performance essential for lithium battery assembly.
Q3: Can the thickness ratio and dimensions be customized?
A: Yes. We offer fully customizable Ni/Cu thickness ratios, overall thickness, width, length, and temper to meet exact requirements for different lithium battery tab and connector designs.
Q4: Is this clad metal sheet suitable for high-current lithium battery packs?
A: Absolutely. The high conductivity of the copper layer combined with nickel’s weldability makes it ideal for high-drain applications such as EV battery packs, power tools, and energy storage systems where low resistance and efficient heat dissipation are critical.
