Rare Earth Thick Film PTC Heating Plate

The Rare Earth Thick Film PTC Heating Plate features a flat panel structure design. It is manufactured by combining a rare-earth-doped silicon-based  electrothermal functional paste with a Positive Temperature Coefficient (PTC) resistivity effect and a high dielectric strength silicon-based insulating  material. Using a precise screen printing process, a multi-layer composite structure is applied to the surface of a stainless steel substrate and  formed via high-temperature sintering. Based on its excellent material properties and efficient heat-conducting plate structure, it achieves a thermal  power density of up to 100W/cm², a withstand voltage exceeding 5000V, and high-temperature resistance capabilities over 400°C. Compared to  traditional ceramic PTC heating elements, its power density is increased by up to 300%, its volume is reduced by approximately 50%, and it offers  significant advantages in terms of thermal shock resistance and cycle life (>10,000 cycles). It is particularly suited for the intelligent thermal management needs of high-voltage platform electric vehicles, providing a safe and efficient solution for heating power batteries, electric motors, and cabin  warming in new energy vehicles.

Product Application

With the rapid development of the new energy vehicle market, the energy efficiency and reliability of thermal management systems have become a key industry focus. As a new generation of heating technology, the Rare Earth Thick Film PTC Heating Plate is increasingly becoming a core component of NEV thermal management systems due to its high efficiency, safety, and lightweight characteristics. This heater can be integrated into the electric vehicle thermal management system, where the heat it generates is transferred via a liquid heat transfer fluid to areas such as the battery pack, electric motor, and vehicle cabin, serving as the primary or auxiliary heat source for cabin heating.

Efficient Heating, Energy Saving & Consumption Reduction

The Rare Earth Thick Film PTC Heating Plate combines rare earth materials with thick film technology, achieving rapid heating and precise temperature control. Its electro-thermal conversion efficiency is as high as 95%, significantly surpassing traditional PTC ceramic heaters, greatly reducing energy loss, and effectively extending the driving range of new energy vehicles.

Precise Temperature Control, Safe & Reliable

The product features a self-regulating (PTC) characteristic, enabling quick startup in low-temperature environments and maintaining a constant temperature output, avoiding overheating risks. Furthermore, its vibration resistance and corrosion resistance make it perfectly suited for the complex operating environment of new energy vehicles, ensuring heating safety for critical areas like the battery pack and cabin.

Lightweight Design, Space Optimization

Compared to traditional heating solutions, the Rare Earth Thick Film PTC Heating Plate is only a few millimeters thick and reduces weight by over 50%, offering greater flexibility for overall vehicle layout. It is particularly suitable for applications such as battery module pre-heating and cabin auxiliary heating.

Currently, this product is widely used in areas including battery thermal management, auxiliary air conditioning heating, and windshield defogging, providing efficient, all-weather, and full-scenario thermal management solutions for new energy vehicles. In the future, with ongoing technological iterations, the Rare Earth Thick Film PTC Heating Plate will further propel the development of new energy vehicles towards greater safety and energy efficiency.