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1. At 20 percent efficiency, solar photovoltaic cells in geosynchronous orbit can deliver 270 watts of electric power per square meter continuously.

2. Compared with photovoltaic cell, solar dynamic power system is compact, high in efficiency and comparatively cheap in a long run.

3. Recombination occurring in the emitter region of a photovoltaic cell.

4. A solar cell or photovoltaic cell is a device that converts light energy into electrical energy.

4. Wish you can benefit from our online sentence dictionary and make progress every day!

5. When electricity, whether from photovoltaic cell, wind turbine or other sources, runs through the electrode, the cobalt and phosphate form a thin film on the electrode and oxygen gas is produced.

6. Normally, in a photovoltaic cell, electrons knocked free by photons are then carried away by an electric field within the photovoltaic material to a contact wire.

7. The maximum power point of the photovoltaic cell is traced by using the step-by-step method and the simulation result shows that the maximum power point tracking results are obvious.

8. As photovoltaic cell technology improves, the walls and roofs of buildings will be able to generate enough electricity for their own needs, plus a possible surplus for the grid.

9. The present invention provides a photovoltaic cell in the form of a fiber, photovoltaic materials and methods of photovoltaic cell fabrication.

10. Good results were achieved in experiments, and the photovoltaic power generation efficiency was greatly increased with concentrator photovoltaic cell. So it has a high practical value.

11. New Mexico-based Emcore Corp., for one, uses optical lenses to focus the energy of 500 suns onto a tiny, super-efficient photovoltaic cell.

12. Somewhat less obvious is the fact that photodiode leakage and photovoltaic cell internal losses are also functions of terminal voltage.

13. By magnifying the solar energy, the technology can reduce the amount of semiconductor material needed for the photovoltaic cell.

14. Its model involves a two-mirrored system that directs sunlight down an optical rod onto a small (1 square centimeter) photovoltaic cell.

15. A second possibility, for more power-hungry devices, is to fire a finely focused infrared laser beam at a photovoltaic cell, which converts the beam back to electrical energy.

16. In such a device, the antenna would concentrate photons before the photovoltaic cell converts them to an electrical current.

17. In recent years, hydrogen has been one of the important source of energy, and in a photovoltaic cell hydrogen is produced by water splitting.

18. The conventional structure and MPPT structure of photovoltaic generation system are introduced respectively. The MPPT inevitability is analyzed with the output characteristic of photovoltaic cell.

19. Since then, China's heavily subsidized solar sector has emerged as the world leader in photovoltaic cell production, with more than 40 percent global market share.

20. Practice is proved the way that it can replace the actual photovoltaic cell to carry on various photovoltaic cell of the characteristic exportation is a kind of good method.

21. But even the tiny gap involved in Mr DiMatteo's approach proved to be too wide: the electric field of the hot object was still too far away to interact with the electrons in the photovoltaic cell.

22. Additionally, the coating is suitable for use as a photovoltaic cell and module coating because of its resistance to humidity and other harsh environments.