➀ A research team at Korea Institute of Materials Science has developed a novel n-type thermoelectric semiconductor material, improving the efficiency of thermoelectric power generators; ➁ The material can convert waste heat below 200℃ into electrical energy; ➂ The technology could benefit industries such as automotive, shipbuilding, and heavy industries.

➀ A new study explores the use of organic compounds like copper phthalocyanine and fullerenes in thermoelectric devices; ➁ These materials can harvest energy at ambient temperature without a temperature gradient; ➂ The research team has developed a device with promising performance for future energy technologies.