![]() ![]() "The polymer-air battery provides an alternative means of storing energy versus the metal-air battery," Lutkenhaus said. Despite the adoption of interfacial modification and electrolyte formulation, these issues can be severe in the presence of oxygen from the air. Issues like dendrites, passivation and corrosion on the metal anode lead to low utilization and inferior cycling stability in metal-air batteries. However, the article highlights limitations in using metal anodes in air batteries due to the stability, cost, and environmental impact of extracting and processing metal resources. This is attributed to the oxygen cathode, which offers a much higher capacity than conventional metal oxide cathodes. The article notes that metal-air batteries have a higher energy density compared to conventional lithium-ion batteries. Additionally, the article revealed the real-time charge transfer mechanism, demonstrating a fast hydronium ion charge compensation process. The battery's rigid ladder structure, fast kinetics and high electrical conductivity allowed it to undergo 500 cycles with minimal performance loss. "To overcome these limitations, researchers have explored alternative polymer anodes, which have several advantages over metal anodes, including low cost, ease of functionalization and high stability," the researchers write. These features make the polymer both conductive and stable, enabling the necessary reversible reactions required for repeated charging and discharging, she said.ĭespite the benefits of aqueous polymer-air batteries, including improved safety, reduced cost, higher ionic conductivity and sustainability, their electrochemical performance is limited, the article stated. ![]() We specifically targeted the use of a conjugated polymer with a rigid backbone structure for the anode," Lutkenhaus said. "The cathode reacts with oxygen from air to complete the circuit. Abdoulaye Djire to reveal how these polymers store and exchange charge with the electrolyte. In a recent article published in Joule, Lutkenhaus, associate department head of internal engagement and chemical engineering professor at Texas A&M University, collaborated with chemical engineering professor Dr. ![]()
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