US2016111225A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016111225-A1 |
| Application number | US-201514885238-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 16, 2015 |
| Priority date | Oct 16, 2014 |
| Publication date | Apr 21, 2016 |
| Grant date | — |
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An electrode ( 10 ) for a combination of supercapacitor and battery, comprising an active structure ( 12 ), wherein the active structure ( 12 ) comprises an active material layer ( 18 ) which is divided into strips in the plane and capacitor strips ( 16 ) and battery strips ( 14 ) are arranged alternately in the plane, is proposed. Also a process for producing such an electrode ( 10 ) and a combined supercapacitor and battery cell comprising at least one such electrode.
Opening claim text (preview).
1 . An electrode ( 10 ) for a combination of supercapacitor and battery, comprising an active structure ( 12 ), wherein the active structure ( 12 ) comprises an active material layer ( 18 ) which is divided stripwise in a plane, with capacitor strips ( 16 ) and battery strips ( 14 ) being arranged alternately in the plane. 2 . The electrode ( 10 ) according to claim 1 , wherein the active structure ( 12 ) comprises three layers, with a first graphite layer ( 24 ), the active material layer ( 18 ) and a second graphite layer ( 26 ) being arranged in this order. 3 . The electrode ( 10 ) according to claim 2 , wherein the active material layer ( 18 ) is free of binders. 4 . The electrode ( 10 ) according to claim 2 , wherein at least one of the first graphite layer ( 24 ) and the second graphite layer ( 26 ) comprises a conductive material as additive. 5 . The electrode ( 10 ) according to claim 1 , wherein a proportion of graphite and/or of a binder is lowest in a middle of the active material layer ( 18 ) and increases in a direction of two surfaces ( 30 , 32 ) of the electrode. 6 . The electrode ( 10 ) according to claim 1 , wherein a proportion of graphite is highest in a middle of the active material layer ( 18 ) and decreases in a direction of two surfaces ( 30 , 32 ) of the electrode. 7 . The electrode ( 10 ) according to claim 1 , wherein the electrode ( 10 ) further comprises a power outlet foil ( 22 ) on which the active structure ( 12 ) is arranged. 8 . A process for producing an electrode ( 10 ) for a combination of supercapacitor and battery according to claim 1 , wherein starting materials for the active structure ( 12 ) are introduced together into a pressing apparatus and are pressed without addition of solvents to form a sheet, with the starting materials being introduced spatially distributed into the pressing apparatus by a plurality of application systems. 9 . A process for producing an electrode ( 10 ) for a combination of supercapacitor and battery according to claim 1 , wherein starting materials for the active structure ( 12 ) are firstly applied to a support or to a power outlet foil ( 22 ) without addition of solvents by a plurality of application systems in one or more steps and are subsequently pressed in a pressing apparatus to form a sheet. 10 . A combined supercapacitor and battery cell ( 100 ) comprising at least one electrode ( 10 ) according to claim 1 .
Energy storage using capacitors · CPC title
Batteries in motive systems, e.g. vehicle, ship, plane · CPC title
of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx · CPC title
Electricity · mapped topic
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