Daikin Advanced Lithium Ion Battery Technology - High Voltage Electrolyte [electronic resource]

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 621.312 Generation, modification, storage

Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Energy Efficiency and Renewable Energy ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2021

Mô tả vật lý: Size: 41 p. : , digital, PDF file.

Bộ sưu tập: Metadata

ID: 266104

An evaluation of high voltage electrolytes which contain fluorochemicals as either co-solvents or additives has been completed. The project objective was to identify a cell chemistry and electrolyte formulation which is capable of operating at 4.6 V. Stable cycle performance has been demonstrated in LiNi0.50Mn0.30Co0.20O2 (NMC532)/Artificial Graphite pouch cells to 4.6 V, with a discharge capacity retention greater than 80% after 300 cycles. A multitude of physical and chemical changes between 4.2 and 4.6V were investigated, with the goal of correlating identified degradation mechanisms with premature cell failure.
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