NGK has developed a sodium sulfur battery(NAS battery) for load leveling applications, allowing the grid to deal with increasing peak. The recent growth in environmentally friendly renewable energies causes network instability. A secondary battery based energy storage system is seen as one of the strongest solutions to stabilize the network while improving the efficiency and usability of these renewable energy technologies. The NAS battery features long duration discharge, compactness, and a long lifespan of 15 years. The capacity for long duration discharge is one of the most notable features of this technology, a feature which becomes more important as renewable energy generation increases. In this paper, recent design of the NAS battery system is detailed, and a few applications are described.
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机译：The Rise of the Chinese Concerto: A Look into the Developments of Chinese Traditional Instrument Concerti with Western Orchestra =中国协奏曲文化的兴起：对于中国传统乐器与西洋交响乐团合作的协奏曲的研究
