<p>➀ Researchers developed a self-powered temperature sensor using a flexible ionic elastomer combining thermoplastic polyurethane (TPU) and ionic liquids, eliminating the need for external power; </p><p>➁ The sensor leverages triboelectric effects from temperature-induced microstructural changes, generating voltage signals that correlate with heat levels, achieving rapid and reversible responses; </p><p>➂ Potential applications include wearable electronics for real-time thermal monitoring, with future plans to optimize performance and integrate with AI systems for advanced signal analysis.</p>