Researchers from the Indian Institute of Science (IISc) have unveiled a groundbreaking innovation that leverages zinc-air battery technology to produce hydrogen peroxide (H₂O₂) in a more sustainable and cost-effective manner. By reengineering the battery to generate H₂O₂ as a byproduct of its discharge cycle, the team has created a dual-purpose system that can efficiently store power and tackle toxic dyes from the textile industry. The method involves a metal-free carbon catalyst to control the chemical pathway, offering a low-cost alternative with significant emissions reductions compared to traditional manufacturing processes. The generated hydrogen peroxide serves as a weapon against industrial pollutants by interacting with toxic dyes, leading to their degradation. This innovative approach not only revolutionizes energy storage but also provides a new method for industrial wastewater treatment. The system's sustainability is further highlighted by its use of abundant zinc and ambient oxygen, avoiding the energy-intensive and pollutant-heavy anthraquinone process. This breakthrough presents a leap forward in clean production methods, making the process environmentally sustainable and economically viable. The multifunctional nature of the system opens up possibilities for providing both power and clean water in rural or off-grid areas, with hydrogen peroxide's applications extending to medical sterilization, wastewater purification, and textile processing. The innovation aligns with the global trend of reevaluating battery chemistry, introducing new ways to repurpose byproducts into valuable outputs for various industries.