Composite Electrode and Lithium-Ion Battery Comprising Same and Method for Producing the Composite Electrode
A composite electrode is provided having a collector, the collector is coated with an electrode composition containing an active electrode material, a binding agent, and a conductivity additive such as conductive carbon black. The electrode composition has a concentration gradient along the directio...
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| creator | WAGNER Matthias TSCHECH Matthias KIM Sung-Jin ROTH Jan-Oliver WOEHRLE Thomas VETTER Jens HOEFLER Thomas SCHARNER Sebastian ZEILINGER Tobias |
| description | A composite electrode is provided having a collector, the collector is coated with an electrode composition containing an active electrode material, a binding agent, and a conductivity additive such as conductive carbon black. The electrode composition has a concentration gradient along the direction of the electrode thickness in respect of the active electrode material and the conductivity additive, with the concentration gradient of the active electrode material increasing toward the collector, and the concentration gradient of the conductivity additive and the binder decreasing toward the collector. Two different methods of producing the composite electrode are also provided. A lithium-ion battery is further provided which includes a composite electrode having a collector, the collector is coated with an electrode composition containing an active electrode material, a binding agent, and a conductivity additive. |
| format | Patent |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Composite Electrode and Lithium-Ion Battery Comprising Same and Method for Producing the Composite Electrode |
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