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Cable-type secondary battery capable of wireless charge

  • US 9,130,235 B2
  • Filed: 04/09/2014
  • Issued: 09/08/2015
  • Est. Priority Date: 11/15/2012
  • Status: Active Grant
First Claim
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1. A cable-type secondary battery capable of wireless charge, configured to have a horizontal cross section of a predetermined shape and to extend longitudinally and comprising:

  • a core for supplying lithium ions, which comprises an electrolyte;

    an inner electrode comprising an open-structured inner current collector surrounding the outer surface of the core for supplying lithium ions, and an inner electrode active material layer surrounding the surface of the inner current collector;

    a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes;

    an outer electrode surrounding the outer surface of the separation layer and comprising an outer electrode active material layer and an outer current collector configured in a wound form; and

    a connector having a diode which electrically connects the inner current collector and the outer current collector therebetween.

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