THIN FILM METAL AND METAL OXIDE ANODES FOR RECHARGEABLE BATTERIES

A discharged electrochemical cell as described herein comprises an electrochemically reactive metal-containing cathode (e.g., Li, Na, Mg, or Zn; preferably Li) and a layered anode with an electrolyte therebetween. The layered anode comprises a conductive substrate and a reactive film of a metal, a s...

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Bibliographische Detailangaben
Hauptverfasser:	Tepavcevic, Sanja, Mane, Anil U, Srinivasan, Venkat, Elam, Jeffrey W, Counihan, Michael J, Barai, Pallab, Pathak, Rajesh
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A discharged electrochemical cell as described herein comprises an electrochemically reactive metal-containing cathode (e.g., Li, Na, Mg, or Zn; preferably Li) and a layered anode with an electrolyte therebetween. The layered anode comprises a conductive substrate and a reactive film of a metal, a semimetal, a metal oxide, or a semimetal oxide on the surface of the substrate. The reactive film is capable of reversibly alloying with, reversibly forming a mixed phase with, or reversibly reacting with, metal from cathode during charging of cell, and releasing the metal back to the cathode during discharge of the cell.