The Role of Electroplating in the Electric Vehicle Supply Chain
The transition to electric vehicles (EVs) has reshaped modern manufacturing. At EC Williams, we play a key role in that shift through our electroplating services for EV manufacturing UK. With over 90 years of plating expertise, we deliver corrosion-resistant, conductive, and reliable surface finishes for critical EV parts.
From EC Williams: Engineering for the EV Era
We support the UK’s leading OEMs, Tier 1 suppliers, and component manufacturers with high-volume nickel and tin plating. Our work helps improve performance and reliability across the EV ecosystem – from battery terminals to lightweight enclosures.
Why Electroplating Is Vital to EV Production
Unlike traditional vehicles, EVs rely heavily on electronic systems. That means hundreds of connectors, sensors, and control modules – all of which demand precise and protective coatings.
Electroplating provides:
- Low-resistance electrical contact.
- Long-term corrosion protection.
- Improved solderability.
- Thermal and mechanical durability.
Where Plating Is Used in EVs
1. Battery Connector Systems
EV battery connector plating ensures uninterrupted current flow. Components like busbars, terminals, and intercell links require:
- Nickel plating for electric vehicles: corrosion resistance + conductivity.
- Tight tolerances for spot-welding and bonding.
We handle high-volume plating for battery systems across the EV sector.
2. Control Modules and PCBs
From BMS (Battery Management Systems) to ECUs and onboard chargers, tin plating is essential. We provide:
- Tin plating for lightweight components.
- Uniform coverage for micro-scale electronics.
- Solder-ready finishes for circuit assemblies.
Our services meet IPC standards for automotive electronics.
3. EV Charging Interfaces
Plating supports durability and safe contact during regular plug/unplug cycles. Applications include:
- Connector pins.
- Socket housings.
- Mounting brackets.
Nickel plating minimises fretting corrosion while retaining conductive reliability.
The Value of Nickel and Tin Plating in EVs
1. Nickel Plating
- Withstands thermal shock.
- Resists oxidation.
- Supports high-current loads.
2. Tin Plating
- Low-cost, solderable finish.
- Environmentally compliant (REACH + RoHS).
- Ideal for fine electrical components.
Each plays a unique role in balancing cost, reliability, and performance.
Key Benefits for EV Manufacturers
- Consistency: Batch-tested thickness and adhesion.
- Speed: Fast lead times on large production runs.
- Flexibility: Barrel or rack plating options.
- Compliance: RoHS, REACH, ISO 9001 certified.
We’ve developed bespoke solutions for clients producing charging infrastructure, drive systems, and electronic subassemblies.
Why EC Williams for EV Electroplating?
We’re more than a plating provider. We’re a trusted technical partner to EV supply chains.
With investment in automation and testing, we help clients meet:
- Environmental targets.
- Functional requirements.
- Tight delivery schedules.
Looking for expert electroplating services for EV manufacturing UK?
Talk to our technical team today.
FAQs
1. Can you plate aluminium parts for EVs?
Yes. We pre-treat aluminium to ensure adhesion and prevent galvanic corrosion.
2. Are your coatings compliant with automotive standards?
Absolutely. We meet all automotive OEM and international standards for plating quality and traceability.
3. How do you manage volume plating for EV components?
With automated lines, jig customisation, and batch-level quality checks.
Contact EC Williams
Call: 0121 236 2524
Email: plating@ecwilliams.co.uk
Visit our Website