Boron nitride powder is a compound consisting of boron and nitrogen atoms arranged in a hexagonal lattice structure. It possesses excellent thermal conductivity, high thermal stability, and good electrical insulation properties. These characteristics make it an ideal candidate for enhancing the functionality of battery separators. One of the critical challenges in battery technology is managing heat generated during charging and discharging processes. Excessive heat can lead to thermal runaway and even battery failure. By incorporating boron nitride powder into the battery separator, thermal conductivity can be improved, allowing for better heat dissipation and reducing the risk of overheating. Battery separators play a crucial role in preventing internal short circuits and maintaining the stability of the battery. Boron nitride powder can enhance the mechanical strength and thermal stability of the separator, reducing the likelihood of separator deformation or puncture. This improvement in safety and stability helps to mitigate the risk of battery malfunction and potential hazards.Boron nitride powder has shown promise in improving the electrochemical performance of batteries. Its high electrical insulation properties prevent electronic leakage between electrodes and enhance the overall battery efficiency. Additionally, boron nitride powder can act as a protective coating on the separator, preventing unwanted reactions between the electrolyte and the electrodes, thereby extending battery life. Boron nitride powder demonstrates immense potential in enhancing the performance, safety, and stability of battery separators. Through its ability to improve thermal management, increase safety, and enhance electrochemical performance, boron nitride powder offers a promising solution for the advancement of battery technology. Continued research and development efforts are essential to fully unlock the benefits of this innovative material in the field of energy storage.