大约十年前,光电效率(即光能转换成电能的转换率)只有10%,而现在已经能达到40%。
A little over a decade ago, the best photovoltaic efficiency, or sunlight conversion into electricity, was 10 percent, and now it can reach 40 percent.
偏偏太阳能板需要一个无尘的环境:每平方码只要有七分之一盎司的尘土就会降低太阳能板40%的转换效率。
And the panels have to stay dust-free: just a seventh of an ounce of dust per square yard of panel can decrease solar power conversion by 40 percent.
研究者正把这项设计应用到制造太阳能电池的半导体材料上,这样他们希望在节省材料成本的同时仍可以提供高效率的能量转换。
Researchers are applying the design to semiconductor materials to make solar cells that they hope will save money on materials costs while still offering high power-conversion efficiency.
用硅制造太阳能电池——这是最普通的方法——昂贵而且只能得到很低的光-电转换效率。
Making solar cells from silicon, the most common approach, can be expensive and relatively inefficient at turning sunlight into electricity.
在一项提高能源效率的努力中,智能工作场所的很大一部分热来自于太阳能,然后从发电机获得热量。注:我的理解是不是先太阳能发电,然后电能转换成热能?
In an effort to increase energy efficiency, much of the heat in the Intelligent Workplace comes from solar thermal energy and recaptured heat from generators.
现在使用中的最高效的太阳能电池板(在空间站服役)成本高昂,但是能量转换效率并不是很高,只有20%。
The most efficient solar panels currently in use (on the space station) are costly, and their conversion efficiency is about twenty percent, which is not very much.
Mittal表示公司正在致力于改善太阳能电池板的性能,以使其转换效率更高。
Mittal says the company is working on changing the properties of solar panels to make them more efficient.
cylonlover写道,“最近,旨在实现用太阳能作为电源的微电子技术的研究中,出现了一种更具效率的方案,研究者们制造出了直接集成了光电转换模块的芯片。”
Cylonlover writes "in a new, more efficient approach to solar powered microelectronics, researchers have produced a microchip which directly integrates photovoltaic cells."
对于任何给定的空气部分,更强大的扩展比允许更多的精力从热量转换为有用的机械能,这意味着发动机效率更高。
For any given portion of air, the greater expansion ratio allows more energy to be converted from heat to useful mechanical energy meaning the engine is more efficient.
斯坦福研究小组在向转换效率已经达到17%的硅太阳能电池中添加钙钛矿时,他们只测到一个功率很小的增加,达17.9%。
When the Stanford group addedperovskite to silicon solar cells whose efficiency was already 17 percent, forexample, they measured a much smaller increase in power output, to 17.9percent.
以液态电解质和凝胶电解质为空穴传输体,分别制备出了光电转换效率超过4.31%和2.75%的染料敏化太阳能电池。
Using a liquid or gel electrolyte as a hole transfer medium, the DSSCs with 4.31 % or 2.75 % global photon-to-electron conversion efficiency was obtained, respectively.
数值模拟结果表明,太阳能烟囱的输出功率及能量转换效率随集热棚面积和烟囱高度的增加而增加。
The results of simulation show that the output power and energy conversion efficiency of the said chimney increase along with increasing the area of heat-collecting shed and the height of the chimney.
国际最先进的生产技术和设备,通过生产高结晶硅太阳能电池的转换效率。
Adoption of international most advanced production technology and equipment to produce high conversion efficiency of crystalline silicon solar cells.
计算了摆动器参数、电子束和激光场之间的能量转换效率、激光强度、电子的相空间分布和能谱。
We have computed the wiggler parameters, efficiency of energy conversion between electron beam and laser field, laser intensity, phase-space distributions and energy spectrum of electrons.
本文报道了浓差能的本质及其理论转换效率。
This paper studies the essence of CGE and its theoretical efficiency of its conversion.
从太阳能电池的光伏特性出发,来研究如何提高太阳能的转换效率无疑是很有现实意义的。
It is significant to research on improving the conversion efficiency of PV from its Volt-Ampere Characteristics.
目的提高太阳能电池的转换效率。
对影响整个太阳能热转换效率的几个因素进行了研究分析,为下一步太阳能烟囱技术的进一步推广应用打下基础。
Some factors effects on energy conversion efficiency have been analyzed, which give some support for the next application and development of solar chimney.
论述了梯度掺杂对太阳能电池光伏转换效率的影响。
The conversion efficiency of gradient-doped solar cells is discussed.
因此提高DSC的光电转换效率是目前太阳能电池研究的一个重要方面。
So it's very important to further improve the photo-to-electric conversion efficiency of DSC.
多晶硅太阳能电池,成本低廉,其实验室最高转换效率为18%,工业规模生产的转换效率为12%。
Polycrystalline silicon solar energy cell, low cost, the highest conversion efficiency is 18% in the lab, is 12% in the industrial production.
对寄生电阻、扩散长度和表面复合速率等影响太阳能电池转换效率的主要因素进行了深入分析。
The main conversion efficiency of solar cell factors such as stray resistance, diffusion length and compound rate were analyzed, too.
由于传统的硅基太阳能电池发电效率低、成本高,因此高转换效率的聚光太阳能系统将成为研究太阳能发电的主要方向。
As the power efficiency of traditional silicon-based solar cell is low and also it costs high, concentrator photovoltaic systems with high conversion efficiency will become the main direction.
有机金属卤化物的钙钛矿被认为是优良的材料为薄膜太阳能电池,因为它们已经显示在细胞水平高的转换效率。
Organometal halide perovskites are considered to be excellent materials for thin-film solar cells as they have shown high conversion efficiencies at cell level.
硅太阳能电池等效串联电阻会影响其正向伏安特性和短路电流,而对开路电压没有影响,另外串联电阻的增大会使太阳能电池的填充因子和光电转换效率降低。
The equivalent series resistance of silicon solar cell can influence its straight volt-ampere property and short-circuit current, but have no influence on open-circuit voltage.
作为太阳能发电的主要的发电方式,太阳能光伏发电能否提高光电转换效率、经济高效地利用太阳能是首先要解决的问题。
As a major way of solar power generation, whether solar photovoltaic power generation can improve the photoelectric conversion efficiency, cost-effective use of solar energy is a priority to resolve.
本发明提供的背电极和具有该背电极的薄膜太阳能电池能够提高光电转换效率。
Back electrodes provided by the invention and thin film solar cells provided with the back electrodes can improve the photoelectric conversion efficiency.
本发明提供了一种可用于提高硅基太阳能电池能量转换效率的上转换发光材料及其制备方法。
The invention provides an up-conversion luminescent material used for improving the energy conversion efficiency of a silicon-based solar battery and a preparation method thereof.
本发明提供了一种可用于提高硅基太阳能电池能量转换效率的上转换发光材料及其制备方法。
The invention provides an up-conversion luminescent material used for improving the energy conversion efficiency of a silicon-based solar battery and a preparation method thereof.
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