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首页> 外文会议>European Photovoltaic Solar Energy Conference and Exhibition >ALL-SILICON ENERGY STORAGE (ASES)
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ALL-SILICON ENERGY STORAGE (ASES)

机译：全硅储能（ASES）

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Silicon is an ideal candidate to build massive energy storage solutions owing to its low cost (～$1.7/kg) and abundance on earth. In this work, we describe a novel concept for energy storage in which the energy is stored in the form of silicon's latent heat and converted to electricity upon demand by thermophotovoltaic (TPV) cells. This approach takes advantage of the extremely high latent heat (1.8 MJ/kg) and melting point (1410°C) of silicon, and the low weight and silent operation of the TPV cells. The proposed solution has potential to provide total energy (heat plus electricity) storage densities approaching 1 MWh/m~3, which is 12-15 times higher than that of lead-acid batteries, 2-5 times than that of Li-ion batteries and 10-20 times than that of the molten salt PCMs utilized in CSP systems. In the proposed system, 10-50% of the total energy could be delivered in the form of electricity, depending on the particular TPV cell characteristics, and the remaining energy is supplied as heat (e.g. hot water) which could be used in homes or factories.
机译：由于其低成本（〜7 / kg）和地球丰富，硅是一个理想的候选人，以建立大量的能量存储解决方案。在这项工作中，我们描述了一种用于储能的新概念，其中能量以硅的潜热形式存储，并根据蒸粒（TPV）细胞需求转换为电力。该方法利用硅的极高潜热（1.8mJ / kg）和熔点（1410℃）和TPV细胞的低重量和沉默操作。所提出的解决方案具有提供总能量（热加电）储存密度的潜力，该储存密度为1毫巴/ m〜3，这比铅酸电池高出12-15倍，比锂离子电池的2-5倍。和CSP系统中使用的熔盐PCM的10-20倍。在所提出的系统中，可以以电力的形式提供10-50％，这取决于特定的TPV电池特性，并且剩余的能量作为热水（例如热水）提供，可用于家庭或工厂。

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