An airship is equipped with a compact solar generator using concentration to supply the airship in flight with electrical energy from solar radiation. The compact solar generator comprises a first set of row(s) of bifacial photovoltaic solar cells, arranged parallel to a longitudinal central axis of the airship, and a solar radiation concentrator for making solar rays converge towards rear faces of the bifacial solar cells of the first set. The solar radiation concentrator is a second set of one or more local solar radiation concentrator(s), wherein each local concentrator is paired with a corresponding row of solar cells and comprises a reflector of convex form suitable for making solar radiation converge towards the rear faces of the solar cells of the paired row.

An airship is equipped with a compact solar generator using concentration to supply the airship in flight with electrical energy from solar radiation. The compact solar generator comprises a first set of row(s) of bifacial photovoltaic solar cells, arranged parallel to a longitudinal central axis of the airship, and a solar radiation concentrator for making solar rays converge towards rear faces of the bifacial solar cells of the first set. The solar radiation concentrator is a second set of one or more local solar radiation concentrator(s), wherein each local concentrator is paired with a corresponding row of solar cells and comprises a reflector of convex form suitable for making solar radiation converge towards the rear faces of the solar cells of the paired row.

A power transfer system comprises a patient transport apparatus and a power transfer device. The power transfer system provides convenience and ease of connection between a power source and the patient transport apparatus to provide power to one or more electrically powered devices on the patient transport apparatus or to provide energy for an energy storage device on the patient transport apparatus.

A power transfer system comprises a patient transport apparatus and a power transfer device. The power transfer system provides convenience and ease of connection between a power source and the patient transport apparatus to provide power to one or more electrically powered devices on the patient transport apparatus or to provide energy for an energy storage device on the patient transport apparatus.

A solar panel includes a plurality of photovoltaic cells embedded in a layer of encapsulant. A textured and/or colored layer is positioned on a back side of the layer of encapsulant. The textured and/or colored layer matches a color and/or texture of the plurality of photovoltaic cells. A top layer is positioned on a front side of the layer of encapsulant.

The present invention refers to a heat sink (5) for bifacial photovoltaic modules (3) configured to be secured to the back side (3b) of the at least one bi-facial photovoltaic module (3) wherein the heat sink (5) comprises at least one fin (11) which extends outward from the back side (3b) and is distributed over a first area corresponding to the back side (3b) of the at least one bi-facial photovoltaic module (3) wherein the contact surface between the fin (11) and the back side (3b) corresponds to a fraction of the first area, said fraction being less than 50% of the first area, preferably less than 20%, and wherein the at least one fin (11) has a thermal conductivity higher than 10 W.Math.m-1.Math.K-1.

The present invention refers to a heat sink (5) for bifacial photovoltaic modules (3) configured to be secured to the back side (3b) of the at least one bi-facial photovoltaic module (3) wherein the heat sink (5) comprises at least one fin (11) which extends outward from the back side (3b) and is distributed over a first area corresponding to the back side (3b) of the at least one bi-facial photovoltaic module (3) wherein the contact surface between the fin (11) and the back side (3b) corresponds to a fraction of the first area, said fraction being less than 50% of the first area, preferably less than 20%, and wherein the at least one fin (11) has a thermal conductivity higher than 10 W.Math.m-1.Math.K-1.

A photovoltaic solar power plant assembly and a method of using said assembly to generate power are disclosed. The assembly includes an array of photovoltaic solar modules arranged in a solar module surface, and an optical structure for redirecting light towards said solar module surface, having a redirected light emitting surface. The optical structure includes: a planar optical waveguide which has a parallel first and second planar waveguide surfaces, wherein the first planar waveguide surface extends parallel to the redirected light emitting surface, wherein the first planar waveguide surface is at least partially covered by a photonic layer which is configured to provide an angular restriction of a light emission from the planar waveguide through the redirected light emitting surface, and a light scattering and/or luminescent material, which material is arranged as particles in the planar optical waveguide and/or in a layer which at least partially covers the second planar waveguide surface.

A photovoltaic solar power plant assembly and a method of using said assembly to generate power are disclosed. The assembly includes an array of photovoltaic solar modules arranged in a solar module surface, and an optical structure for redirecting light towards said solar module surface, having a redirected light emitting surface. The optical structure includes: a planar optical waveguide which has a parallel first and second planar waveguide surfaces, wherein the first planar waveguide surface extends parallel to the redirected light emitting surface, wherein the first planar waveguide surface is at least partially covered by a photonic layer which is configured to provide an angular restriction of a light emission from the planar waveguide through the redirected light emitting surface, and a light scattering and/or luminescent material, which material is arranged as particles in the planar optical waveguide and/or in a layer which at least partially covers the second planar waveguide surface.

To provide a coating material capable of forming a solar cell module excellent in the weather resistance, the power generation efficiency and the design, a cover glass, a solar cell module comprising the cover glass, and an outer wall material for building. The cover glass of the present invention is a cover glass comprising a glass plate and a layer containing a fluorinated polymer having units based on a fluoroolefin, on at least one surface of the glass plate, which has an average visible reflectance of from 10 to 100%, and an average near infrared transmittance of from 20 to 100%.