High-performance super capacitor

High-performance super capacitor

  • CN 102,324,320 B
  • Filed: 07/29/2011
  • Issued: 06/10/2015
  • Est. Priority Date: 07/29/2011
  • Status: Active Grant
First Claim
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1. high-performance super capacitor, is assembled by stacked by positive plate, negative plate, it is characterized in that:

  • Described positive plate comprises plus plate current-collecting body and is coated in the anode sizing agent layer on described plus plate current-collecting body, described anode sizing agent layer, be the anode additive of 5 ~ 20% containing mass percent, described anode additive comprise in transition metal oxide, transition metal hydroxide, alkaline earth metal hydroxide, rare earth oxide or mixed rare-earth oxide more than one;

    Described negative plate comprises negative current collector and is coated in the cathode size layer on described negative current collector;

    Described negative pulp layer is the cathode additive agent of 3 ~ 35% containing mass percent, described cathode additive agent comprise in metal simple-substance, metal oxide or redox pseudo-capacitance material more than one;

    Wherein, described anode additive is made up of the component of following mass ratio;

    transition metal oxide;

    transition metal hydroxide;

    rare earth oxide=1;

    0.2 ~ 1.0;

    0.2 ~ 0.8 or transition metal oxide;

    alkaline earth metal hydroxide;

    mixing rare earth oxide=1;

    0.2 ~ 1.0;

    0.2 ~ 0.8;

    The mass ratio of each component of described cathode additive agent is;

    metal oxide;

    redox pseudo-capacitance material=1;

    8 ~ 12;

    Wherein, described anode sizing agent layer comprises the component of following mass percent;

    Positive active material 70% ~ 85%Positive conductive agent 5% ~ 10%Positive electrode binder 5% ~ 10%Anode additive 5% ~ 20%Wherein, described cathode size layer comprises the component of following mass percent;

    Negative electrode active material 50% ~ 85%Cathode conductive agent 5% ~ 10%Negative electrode binder 7% ~ 10%Cathode additive agent 3% ~ 35%.

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