Gallium Nitride could make power electronics more efficient than silicon

Power electronics companies are absolutely in love with silicon. Silicon based power electronic components are pretty cheap to manufacture and also have a good life cycle, however they have a fair amount of problems too. They are bulky, run hot and a lot of energy is lost to keeping them cool thus making them less energy efficient. The world wants electronic to be smaller faster and more energy efficient.Well if you don't know what is power electronics in short these are devices that convert high voltages to lower voltages, convert AC supply to DC. Basically devices like battery chargers, power supply units in computer and inverters. Just look at the size of your laptop charger its like a brick.