US 9,812,867 B2
Capacitor enhanced multi-element photovoltaic cell
Neldon P. Johnson, Deseret, UT (US)
Assigned to Black Night Enterprises, Inc., Charleston, Nevis (US)
Filed by Neldon P. Johnson, Deseret, UT (US)
Filed on Jun. 12, 2015, as Appl. No. 14/738,138.
Prior Publication US 2016/0365730 A1, Dec. 15, 2016
Int. Cl. H02J 3/38 (2006.01); H02S 40/38 (2014.01); H02J 7/35 (2006.01); H01L 31/043 (2014.01)
CPC H02J 3/383 (2013.01) [H01L 31/043 (2014.12); H02J 7/35 (2013.01); H02S 40/38 (2014.12); Y02E 10/563 (2013.01); Y02E 10/566 (2013.01)] 36 Claims
OG exemplary drawing
 
1. A photovoltaic cell assembly comprising:
a plurality of photovoltaic elements, comprising at least a first photovoltaic element and a last photovoltaic element, each photovoltaic element comprising a photovoltaic layer and a pair of layer conductors, a layer front conductor and a layer rear conductor, the photovoltaic layer being interposed between the layer front conductor and the layer rear conductor, the layer front conductor and the layer rear conductor being in electrical contact with the photovoltaic layer, each photovoltaic layer having a layer bandgap which differs from the layer bandgap of the other photovoltaic layers, and each photovoltaic layer having a cell element anode and a cell element cathode;
one or more isolation layers, a respective isolation layer being interposed between contiguous photovoltaic elements;
a capacitor charge circuit electrically connected to each photovoltaic element;
a respective plurality of element capacitors electrically connected to each photovoltaic element by the capacitor charge circuit, each element capacitor having two capacitor electrodes, a capacitor cathode and a capacitor anode;
a respective plurality of capacitor charge switches electrically connected in the capacitor charge circuit to each photovoltaic element, a respective capacitor charge switch being electrically connected in the capacitor charge circuit between the cell element cathode and the capacitor cathode of a respective element capacitor, and another respective capacitor charge switch being electrically connected in the capacitor charge circuit between the cell element anode and the capacitor anode of the respective element capacitor,
a capacitor discharge circuit electrically connected to each element capacitor,
an output circuit electrically connected to the capacitor discharge circuit;
a respective plurality of capacitor discharge switches connected in the capacitor discharge circuit to each element capacitor, a respective capacitor discharge switch being electrically connected in the capacitor discharge circuit between the capacitor cathode of the respective element capacitor and the output circuit, and another respective capacitor discharge switch being electrically connected in the capacitor discharge circuit between the capacitor anode of the respective element capacitor and the output circuit;
a plurality of capacitor voltage sensors, each of the voltage sensors being electrically connected to the respective element capacitor, and
a photovoltaic controller in communication with the capacitor voltage sensors, the capacitor charge switches and the capacitor discharge switches, and providing for control of the capacitor charge switches and capacitor discharge switches.