Cathode materials for secondery lithium ion batteries

Cathode materials for secondery lithium ion batteries

  • CN 1,855,586 B
  • Filed: 04/27/2005
  • Issued: 04/28/2010
  • Est. Priority Date: 04/27/2005
  • Status: Active Grant
First Claim
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1. the negative material manufacture method of a secondary lithium battery is characterized in that utilizing the pulsed chemical vapour deposition technique, and this method comprises:

  • Import silicon materials in reactor;

    Control this reactor in predetermined temperature;

    AndThe burning predecessor of titania precursor thing, zirconia predecessor or its combination of the gas phase mode with the pulsed vapour deposition is imported in this reactor,Thus, the negative material that includes the secondary lithium battery of several silicon core particles with formation, above-mentioned this silicon core particle comprises that silicon grain and coating layer are coated in this silicon grain surface, and this coating layer contains the metal oxide of titanium oxide, zirconia or its combination.

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