Active material, battery and the method that is used to make electrode

Active material, battery and the method that is used to make electrode

  • CN 101,882,679 A
  • Filed: 04/29/2010
  • Published: 11/10/2010
  • Est. Priority Date: 05/07/2009
  • Status: Active Application
First Claim
Patent Images

1. active material that is used for rechargeable nonaqueous electrolytic battery comprises:

  • First particle;

    AndSecond particle, described first particle of being arranged to be covered makes to be dispersed on the surface of described first particle,Wherein, the circularity that is coated with described first particle of described second particle is 0.800~

    0.950;

    AndThe ratio r 1/r2 of the average grain diameter r2 of the average grain diameter r1 of described second particle and described first particle is 1/20~

    1/2.

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