The increasing use of lithium-ion batteries globally has raised concerns about the growing volume of battery waste containing hazardous substances. In a study published in ChemElectroChem by Polish researchers, a novel approach to tackle this issue was presented. The research focused on repurposing carbon material extracted from spent lithium-ion battery electrodes to produce hydrogen peroxide, a vital chemical compound in numerous industries. By subjecting the electrodes to an acidic leaching process, valuable metals were recovered, and the resulting carbon material was transformed into a catalyst for catalytic processes, emphasizing the production of hydrogen peroxide. The study revealed that the carbon material from the recycled batteries exhibited catalytic properties in the oxygen reduction reaction, specifically showcasing effectiveness in the two-electron reduction to yield hydrogen peroxide. This environmentally friendly method offers a sustainable approach to hydrogen peroxide production, with concentrations of the compound being notably higher compared to traditional methods. The findings open up possibilities for utilizing hydrogen peroxide derived from recycled battery waste in various applications, including disinfectants, bleaches, and industries such as chemical manufacturing, pulp and paper, electronics, and space flight as a propellant. The research also highlights the potential for lithium-ion battery waste to be repurposed beyond conventional uses, emphasizing the importance of sustainable practices in waste management and resource utilization.