NASA NTRS · 19940000323
Improved Separators For Rechargeable Lithium Cells
Abstract
Improved pairs of separators proposed for use in rechargeable lithium cells operating at ambient temperature. Block growth of lithium dendrites and help prevent short circuits. Each cell contains one separator made of microporous polypropylene placed next to anode, and one separator made of microporous polytetrafluoroethylene (PTFE) next to cathode. Separators increase cycle lives of secondary lithium cells. Cells to which concept applicable those of Li/TiS(2), Li/NbSe(3), Li/CoO(2), Li/MoS(2), Li/VO(x), and Li/MnO(2) chemical systems. Advantageous in spacecraft, military, communications, automotive, and other applications in which high energy density and rechargeability needed.
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Shen, David, Surampudi, Subbarao, Huang, Chen-Kuo, Halpert, Gerald. 1994-06-01. Improved Separators For Rechargeable Lithium Cells. https://ntrs.nasa.gov/citations/19940000323
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