**Acknowledgements**

The financial support was provided by the Ministry of Research, Innovation, and Digitization through contracts: 446PED/2020, 612PED/2022, PN23140201/2023, and 25PFE/2021.

*Novel PTC Composites for Temperature Sensors (and Related Applications) DOI: http://dx.doi.org/10.5772/intechopen.110358*
