NEWS
Electric Vehicle Cables: Core Materials Unlocking Efficient and Safe Power Transmission
Every reliable electric vehicle cable contains the secret to core materials that are suited to high voltage and heavy loads, balancing safety, durability and efficient power transmission. Let’s break down the key materials
Sheath material
🔹Cross-linked Polyethylene (XLPE)
🌡️ High heat resistance | 🧪 Chemical resistance
Suitable for EV high-voltage systems, capable of carrying high currents, and commonly used in Battery Management Systems (BMS) and main power transmission lines.
🔹 Polyvinyl Chloride (PVC)
💰 Cost-effective | 🔒 Wear-resistant
Used for insulation and sheathing in low-voltage auxiliary cables, suitable for non-high-voltage areas within the vehicle, balancing cost and basic protection.
💧 Fully waterproof | 🛡️ Resistance to mechanical damage
Designed for damp and harsh environments such as under the vehicle and in the battery compartment, extending cable service life and suitable for outdoor wiring applications.
🔹Thermoplastic Elastomer (TPE)
🧩 High elasticity | 🚫 Resistance to ageing and cracking
Suitable for areas subject to frequent bending, such as door cables and steering system cables, balancing flexibility with durability.
🔹Polytetrafluoroethylene (PTFE/Teflon)
🔥 Extreme temperature resistance | 💧 Moisture and corrosion resistance
Suitable for high-temperature areas near motors and batteries, withstanding temperatures from -200°C to 260°C, and withstanding extreme operating conditions.
Core Conductor Materials
⚡ High Electrical Conductivity | 🔄 Flexible and Easy to Route
Used for high-voltage power transmission and sensor wiring, balancing transmission efficiency with ease of installation.
⚖️ Lightweight | 💸 Cost-Effective
Preferred for electric vehicle battery circuits and high-voltage buses, reducing vehicle weight and extending range.
Specialised Materials for Electric Vehicles
🔸 Shielding Materials (Copper Wire/Aluminium Foil)
🛡️ Resistant to EMI/RFI Interference | 📡 Signal Purity
Ensures stable signals for ADAS systems, on-board radar and charging cables, preventing interference-related faults.
🔸 Thermoplastic Vulcanised Ester (TPV)
🌡️ High thermal stability | 🔧 Strong sealing properties
Used for cable seals and sheathing, suitable for the high-voltage environment of the battery compartment, preventing electrical leakage and water ingress.
Why is this important?
Choosing the right materials for electric vehicle cables = safe high-voltage transmission, improved range, and doubled vehicle lifespan.✨
OMG’ EV cables place greater emphasis on high-quality materials and precision manufacturing.✨