Exploring Neodymium Gallium Oxides for Supercapacitors

Scientists are exploring the use of neodymium gallium oxides in supercapacitors. These materials, known as Nd3Ga5O12 and Nd3GaO6, are created through a simple and eco-friendly method called the citrate-gel-matrix approach. What makes these materials special is their high specific capacitance and strong conductivity, which allows supercapacitors to last longer. Researchers studied these oxides to see how well they perform in supercapacitors. They found that Nd3Ga5O12 forms a cubic structure, while Nd3GaO6 is orthorhombic. They used various techniques like Raman spectroscopy and X-ray photoelectron spectroscopy to understand their properties better. In electrochemical tests, Nd3Ga5O12 showed superior performance with a specific capacitance of around 418 F g-1. When used in an asymmetric device, it demonstrated an energy density of 20 W h kg-1 and a power density of about 750 W kg-1. These findings suggest that neodymium gallium oxides have great potential for use in energy-storage devices.