Summary:In situ reconstruction of vegetable sponge-like Bi2O3 for efficient CO2 electroreduction to formate was published in Materials Chemistry Frontiers (2022) and is indexed as a Xianghu Q1 application case for XH-300UL-2+ and XH-300UL-2. The source record connects it with CO2. Core operating conditions include Temperature 150 ℃ / 60 ℃ / 500 ℃, Microwave power 300 W, Ultrasonic power 500 W, and Time 10 min / 12 h / 30 min. Key reported results include Formate Faradaic efficiency 85.3%, Formate Faradaic efficiency 93.7%, Formate Faradaic efficiency 94.9%, and Formate Faradaic efficiency 93.6%.