Porous Palladium Nanoparticles-Modified Copper Foam Enhances the Adsorption Energy of Key Intermediate *LiCO 3 to Aid Li-CO 2 Batteries with Ultralow Overpotential and Resistance to 0 °C

Key Points

• This research aims to investigate the role of porous palladium nanoparticles on copper foam in enhancing the performance of Li-CO2 batteries.
• Modified copper foam with porous palladium nanoparticles was synthesized.
• The adsorption energy of lithium carbonate was measured to assess battery performance.
• Tests were conducted at low temperatures (0 °C) to evaluate overpotential and resistance.
• The enhancement of lithium carbonate adsorption energy significantly reduces overpotential.
• Performance improvements were observed at 0 °C, indicating superior battery operation.
• Achieved ultralow resistance in the modified battery configuration.