Solar cells with one-day energy payback for the factories of the future
Solar cells with one-day energy payback for the factories of the future
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DOI：
10.1039/c1ee02728j
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发表时间：
2012-01-01
影响因子：
32.5
通讯作者：
Krebs, Frederik C.
中科院分区：
文献类型：
--
作者：
Espinosa, Nieves;Hosel, Markus;Krebs, Frederik C.
可扩展性是在任何新能源可以预期容纳人类日益增长的能源需求所带来的挑战的可能解决方案之前的一个要求。没有一种可再生能源像太阳一样丰富，但太阳能的高效和低成本转换仍然没有得到开发。我们首先采用一种技术来应对挑战，该技术可以有效地满足全球每天1 GW（p）的生产需求，该技术不使用丰度极低的元素，并且具有较低的热预算。然后，我们应用生命周期评估方法来指导研究，并以聚合物太阳能电池的形式开发了这种技术，该技术在能量回收时间（EPBT）方面有显着改善，并发现一天左右的非常短的能量回收时间是可能的，从而可能在2050年之前解决目前> 14 TW的能源缺口。
Scalability is a requirement before any new energy source can be expected to house a possible solution to the challenge that mankind's increasing energy demand presents. No renewable energy source is as abundant as the Sun and yet efficient and low-cost conversion of solar energy still has not been developed. We approach the challenge by firstly taking a technology that efficiently addresses the need for daily production of 1 GW(p) on a global level, which does not employ elements with critically low abundance and has a low thermal budget. We then applied life cycle assessment methodologies to direct research and developed such technology in the form of a polymer solar cell that presents a significant improvement in energy payback time (EPBT) and found that very short energy payback times on the order of one day are possible, thus potentially presenting a solution to the current energy gap of > 14 TW by year 2050.