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Battery development powers ahead
By Lu Xiaofeng and Fei Lai |
March 29, 2010, Monday
|
Print Edition
Print Edition
THE first 650 amp-hours single sodium sulfur battery in China, also the biggest in the world, was successfully invented on January 2, 2007.
It marked the point at which China became the second country after Japan to master the core technology of high-capacity sodium sulfur batteries.
Last October, an energy storage battery system for high-capacity urban power grids had a successful trial at the research and development base in Jiading district.
It will be soon expanded to 100-kilowatt-class and will be applied at the Expo site.
"Sodium sulfur battery functions as a power bank that can store and release electric energy,'' said Xia Tianran, office director of Sodium Sulfur Battery Base.
"Compared with ordinary lead-acid batteries, a sodium sulfur battery has effective electric energy three to four times higher. It can discharge with heavy current and strong power."
Construction of a smart grid has become an important task of the national power State Grid while energy storage technology is one of the core technologies of a smart grid.
It marked the point at which China became the second country after Japan to master the core technology of high-capacity sodium sulfur batteries.
Last October, an energy storage battery system for high-capacity urban power grids had a successful trial at the research and development base in Jiading district.
It will be soon expanded to 100-kilowatt-class and will be applied at the Expo site.
"Sodium sulfur battery functions as a power bank that can store and release electric energy,'' said Xia Tianran, office director of Sodium Sulfur Battery Base.
"Compared with ordinary lead-acid batteries, a sodium sulfur battery has effective electric energy three to four times higher. It can discharge with heavy current and strong power."
Construction of a smart grid has become an important task of the national power State Grid while energy storage technology is one of the core technologies of a smart grid.
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