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Semi-solid electrodes having high rate capability

  • US 8,993,159 B2
  • Filed: 04/29/2013
  • Issued: 03/31/2015
  • Est. Priority Date: 12/13/2012
  • Status: Active Grant
First Claim
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1. An electrochemical cell, comprising:

  • an anode;

    a semi-solid cathode including a suspension of about 35% to about 75% by volume of an active material and about 1% to about 8% by volume of a conductive material in a non-aqueous liquid electrolyte; and

    an ion-permeable membrane disposed between the anode and the semi-solid cathode,wherein, the semi-solid cathode has a thickness in the range of about 250 μ

    m to about 2,000 μ

    m,wherein the electrochemical cell has an area specific capacity of at least 7 mAh/cm2 at a C-rate of C/4, andwherein the semi-solid cathode has a mixing index in the range of about 0.8 to 0.975.

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