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首页> 外文期刊>International Journal of Heat and Mass Transfer >Control of temperature uniformity during the manufacture of stable thin-film photovoltaic devices
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Control of temperature uniformity during the manufacture of stable thin-film photovoltaic devices

机译：在稳定的薄膜光伏器件制造过程中控制温度均匀性

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摘要

The production of stable thin-film photovoltaic cells requires tight control of temperature uniformity within the glass substrates during the vacuum deposition process. Though traditional approaches such as radiation shielding and channeling more power to outer lamps result in substantial improvements in temperature uniformity they fail in meeting the stringent requirement of less than 1℃ variation across the substrate required to guarantee the long-term stability of the devices. The problem becomes especially acute while scaling up to larger commercially-viable panel sizes. To this end, a finite element thermal model of a commercial-scale deposition station has been developed and optimized with the target of achieving the desired temperature uniformity of 1℃. The effects of improvements such as radiation shielding, addition of radiation spreader, contouring of radiation spreader and optimizing power distribution among the radiation lamps have been studied. A new lamp configuration has been proposed for attaining the desired uniformity levels.
机译：稳定的薄膜光伏电池的生产需要在真空沉积过程中严格控制玻璃基板内的温度均匀性。尽管传统的方法（例如辐射屏蔽和将更多的功率引导至外部灯）可导致温度均匀性的显着改善，但它们无法满足严格的要求，即确保整个设备的长期稳定性所需的整个基板的变化小于1℃。当扩大到更大的商业可行面板尺寸时，该问题变得尤为严重。为此，已经开发并优化了商业规模的沉积站的有限元热模型，其目标是实现所需的1℃温度均匀性。研究了辐射屏蔽，增加辐射扩展器，辐射扩展器的轮廓以及优化辐射灯之间的功率分配等改进效果。已经提出了一种新的灯配置，以达到期望的均匀度水平。

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