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Thin film batteries comprising a glass or ceramic substrate

  • US 10,020,540 B2
  • Filed: 10/15/2013
  • Issued: 07/10/2018
  • Est. Priority Date: 10/15/2012
  • Status: Active Grant
First Claim
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1. A thin film battery comprising:

  • a) a glass substrate having a CTE of from about 7 to about 10 ppm/°

    K;

    b) a continuous metal or metal oxide cathode current collector having a thickness of less than about 3 micrometers, the cathode current collector being superjacent to the glass substrate;

    c) a cathode material layer comprising lithium transition metal oxides that is a continuous film having a thickness of from about 10 to about 80 micrometers, the cathode material layer being superjacent to the cathode current collector;

    d) a LiPON electrolyte layer having a thickness of from about 0.5 to about 4 micrometers, the LiPON electrolyte layer being superjacent to the cathode material layer micrometer; and

    e) an anode current collector.

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