| 摘要 |
A solar energy collection system comprising: a solar energy receiver (160); and a solar energy directing system to direct sunlight onto said solar energy receiver; wherein said solar energy directing system comprises a set of mirrors (105), each mirror (105) having a moveable axis and comprising a plurality of facets, and wherein the facets of each mirror (105) are configured to direct incoming sunlight to focus substantially at said receiver (160) when said mirror axis are directed towards said receiver (160). A photovoltaic device comprising a light receiving surface and first and second electrodes for delivering electrical power from the device, the device having at least one light current electrical contact, at last one of said first and second electrodes comprising a plurality of electrically conductive tracks (1000), and wherein said high current electrical contact comprises at least one metallic conductor crossing said plurality of tracks (1000). |
