A predicted conversionefficiency limitation of 20% for silicon solar cells in practical devices was made by photovoltaic specialists.
光伏界的专家们曾经认为硅太阳电池转换效率在实际器件上的极限为20%。
2
An analog maximum power point tracking (MPPT) controller integrated circuit (IC) based on open-circuit voltage method was proposed to enhance the photovoltaicconversionefficiency of solar cell.
为提高光伏电池的光电转换效率，设计一种基于开路电压法的光伏电池最大功率点跟踪(MPPT)控制芯片。
3
But solar energy photovoltaic power cost is high and its conversionefficiency is low.