A review of electrical energy storage technologies for renewable power generation and smart grids |
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| Authors: | WU Xianzhang SHANG Xiaoli |
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| Affiliation: | Narada R&D Institute,Zhejiang Narada Power Source Co.,Ltd.,Hangzhou 311305,Zhejiang,China |
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| Abstract: | Electrical energy storage (EES) is a key to break the bottleneck of penetration of renewable generation, and an essential component of smart grids. At the initial stage of commercialization of EES technologies, a systematic analysis and comparison of different technologies is important, which could help technology selection. This paper presents an overview of various EES technologies including mechanical (pumped hydro, compressed air, flywheel) electrochemical (secondary battery, flow battery) and chemical (hydrogen, synthetic natural gas). Finally, future developments of these technologies are summarized. |
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| Keywords: | renewable power generation smart grids electrical energy storage (EES) technologies mechanical storage electrochemical storage chemical storage |
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