Thin-film rechargeable lithium batteries with amorphous Li{sub x}Mn{sub 2}O{sub 4} cathodes

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Description

Cathode films of amorphous Li{sub x}Mn{sub 2}O{sub 4} have been grown by rf magnetron sputtering on unheated substrates. A low process gas pressure and a positive substrate bias were found to give the most conductive cathodes. The batteries were completed with subsequent deposition of a lithium phosphorous oxynitride electrolyte and Li anode. These cells were cycled at 25-100 C between 4.5 and 1.5 V which corresponds to {approximately}0 to 2 Li per Mn{sub 2}O{sub 4}. The amorphous cathodes have a highs pecific capacity and a low capacity loss per cycle.

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15 p.

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Dudney, N.J.; Bates, J.B.; Lubben, D. & Hart, F.X January 1, 1996.

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Description

Cathode films of amorphous Li{sub x}Mn{sub 2}O{sub 4} have been grown by rf magnetron sputtering on unheated substrates. A low process gas pressure and a positive substrate bias were found to give the most conductive cathodes. The batteries were completed with subsequent deposition of a lithium phosphorous oxynitride electrolyte and Li anode. These cells were cycled at 25-100 C between 4.5 and 1.5 V which corresponds to {approximately}0 to 2 Li per Mn{sub 2}O{sub 4}. The amorphous cathodes have a highs pecific capacity and a low capacity loss per cycle.

Physical Description

15 p.

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OSTI as DE96008063

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  • 188. meeting of the Electrochemical Society, Chicago, IL (United States), 8-13 Oct 1995

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  • Other: DE96008063
  • Report No.: CONF-951007--22
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 211465
  • Archival Resource Key: ark:/67531/metadc670286

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  • January 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Jan. 21, 2016, 1:03 p.m.

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Dudney, N.J.; Bates, J.B.; Lubben, D. & Hart, F.X. Thin-film rechargeable lithium batteries with amorphous Li{sub x}Mn{sub 2}O{sub 4} cathodes, article, January 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc670286/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.