4月8日,总部位于威尔士的G24创新公司宣布他们可能已经发明出这种电池:公司最新的特制染料光电器件已创下白炽灯光转换为电能的效率新记录:26%,而以前的器件转换效率仅为15%。这使染料电池有望广泛应用至室内发电中。
Dye-based cells are similar to the silicon-based variety found on rooftops around the worldin that both rely on a semiconductor to assist the conversion of luminous energy into theelectrical sort. The difference is that in the case of silicon cells, this conversion happensdirectly. That means the frequency of light absorbed is constrained by the physicalproperties of silicon itself.
染料电池类似于安装在世界各地屋顶上的硅光电池,两者都靠半导体器件将光能转换为电能。它们的区别在于,硅光电池是直接将光能转换为电能的,即受硅的物理性质限制,它只能吸收特定频率的光。
In the case of dye-based cells, which were invented at the Federal Polytechnic School ofLausanne, in Switzerland, in the 1990s, the light is first captured by molecules of aphotosensitive dye. Tinker with the composition of this dye and you change the frequencyof light that can be captured. This makes dye-based cells more flexible than silicon ones.
而在染料电池中,光会先被光敏染料的分子捕获。染料电池是在上世纪90年代由瑞士洛桑联邦理工学院发明的。稍微改变一下这种染料的成分,就可以让它吸收另一种频率的光。这个特性使染料电池比硅光电池更加灵活。
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