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PTC Self- Regulation &System Safety
systems are safe by design:
The heater layer provides an even and homogeneous heat-up process and self-regulating capabilities, preventing heater failure due to “hot spots” that can quickly develop with conventional heaters. This behaviour is attributed to the material’s light positive temperature coefficient (PTC). Materials with a PTC experience an increase in electrical resistance when their temperature is raised. Therefore the heat is regulated properly and the formation of hot spots, or an uncontrolled heat build-up are prevented. As a result, our heater layer can be designed to reach a maximum temperature for a given input voltage, since at some point any further increase in temperature would only be met with greater electrical resistance.
Another advantage is the coating’s smooth exhibition of distributed heating over the entire energized zone. Due to these self-limiting capabilities, on many occasions there is no need for thermal sensing of the heater, further reducing system complexity and still featuring full system safety.
Battery Heating Systems
With our energy efficient battery heating systems, we are serving civilian and military customers, enabling them to operate their vehicles under extreme climatic conditions. Since low temperatures reduce battery life and capacity drastically, thermal management of the battery module is crucial for ideal operation. Our battery heating systems are suitable for several kinds of cell types, with a focus on pouch cells and cylindrical cells. Therefore, with different system interfaces and integration methods for the heater layer, our battery heating systems can be adapted to almost any kind of battery module and are the ideal solution for all kinds of energy storage systems.
自我调节与系统安全
研发系统在设计上是安全的：
PTC加热器层提供均匀均匀的加热过程和自我调节功能，防止了由于“热点”而导致的加热器故障，而这种“热点”可以在常规加热器中迅速发展。这种现象归因于材料的轻正温度系数（PTC）。温度升高时，带有PTC的材料的电阻会增加。因此，可以适当地调节热量，并防止形成热点或防止不受控制的热量积聚。结果，我们的加热器层可以设计成在给定输入电压下达到最高温度，因为在某个点，只有通过更大的电阻才能满足温度的任何进一步升高。
另一个优点是涂层在整个通电区域内都能顺利显示出分布的热量。由于具有这些自我限制功能，因此在很多情况下都不需要对加热器进行热感测，从而进一步降低了系统复杂性，并且仍然具有完整的系统安全性。
