Secondary battery cathode and the secondary cell with the negative pole

Secondary battery cathode and the secondary cell with the negative pole

  • CN 103,891,011 B
  • Filed: 10/25/2012
  • Issued: 09/19/2017
  • Est. Priority Date: 10/25/2011
  • Status: Active Grant
First Claim
Patent Images

1. a kind of secondary battery cathode, comprising:

  • Helical form negative pole, the helical form negative pole, which has, to be parallel to each other and at least two helically twisted negative lines, each negative lineWith the anode active material layer being coated on the surface of line style current-collector;

    AndConductive layer, the conductive layer is formed in the way of around the helical form negative pole,Wherein described anode active material layer includes the active material in following material:

    Selected from Sn, Li, Zn, Mg, Cd, Ce,Metal (Me) in Ni and Fe;

    Include the metal (Me) alloy;

    Oxide (the MeO of the metal (Me)x);

    The metal(Me) and carbon composite;

    Si;

    Alloy comprising Si;

    Si oxide;

    Si and carbon composite;

    And their mixingThing.

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