Over the last decade, many countries have been endeavoring to develop electric vehicle industry. Although it lags behind global lead runners at first, after establishing an outstanding integration environment for the electric vehicle supply chain in recent years, Taiwan is seemingly catching up. The exhibition of the battery SWAP of the "smart electric scooter - Gogoro" in 2015 Consumer Electronics Show (CES) has greatly amazed the public. This indicates that Taiwan has the potential to be a kingdom of electric vehicles. This paper aims to discuss the latest development of battery and materials technique for electric buses.