A team of scientists has developed a groundbreaking catalyst called NiOOH-Ni, which shows remarkable efficiency in enhancing ammonia conversion. This catalyst, published in Advanced Energy Materials, has the potential to revolutionize wastewater treatment, green chemistry, and hydrogen production. By combining nickel with nickel oxyhydroxide, the catalyst demonstrates versatility by operating effectively at lower voltages and higher currents than conventional catalysts, providing a more efficient and cost-effective solution. The catalyst's ability to convert ammonia into less harmful substances makes it invaluable for cleaning wastewater, while it can also produce hydrogen gas for clean energy purposes. Professor Zhenguo Huang from the University of Technology Sydney highlights the catalyst's flexibility, indicating that it can generate nitrite at lower voltages and nitrate at higher voltages, adapting to different needs. This feature positions NiOOH-Ni as a multifunctional catalyst suitable for various applications, offering advantages over traditional methods. Associate Professor Andrey Lyalin from Hokkaido University underscores the catalyst's durability and stability, emphasizing its superior performance even after multiple uses. This durability, combined with its cost-effectiveness compared to premium catalysts like platinum, makes NiOOH-Ni a promising candidate for widespread industrial adoption. The catalyst's long-term reliability suggests a transformative impact on industrial wastewater management and clean energy production, signaling a shift towards more sustainable and efficient practices in these sectors.