Li-ion batteries from LiFePO4 cathode and anatase/graphene composite anode for stationary energy storage |
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| Authors: | Daiwon Choi Donghai Wang Vish V Viswanathan In-Tae Bae Wei Wang Zimin Nie Ji-Guang Zhang Gordon L Graff Jun Liu Zhenguo Yang Tien Duong |
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| Institution: | 1. Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, WA 99352, USA;2. Small Scale Systems Integration and Packaging Center, State University of New York at Binghamton, P.O. Box 6000, Binghamton, NY 13902, USA;3. US Departments of Energy, 1000 Independence Ave., Washington, DC 20858, USA |
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| Abstract: | Li-ion batteries made from LiFePO4 cathode and anatase TiO2/graphene composite anode were investigated for potential application in stationary energy storage. Fine-structured LiFePO4 was synthesized by a novel molten surfactant approach whereas anatase TiO2/graphene nanocomposite was prepared via self-assembly method. The full cell that operated at 1.6 V demonstrated negligible fade even after more than 700 cycles at measured 1 C rate. While with relative lower energy density than traditional Li-ion chemistries interested for vehicle applications, the Li-ion batteries based on LiFePO4/TiO2 combination potentially offers long life and low cost, along with safety, all which are critical to the stationary applications. |
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