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| 1 | 硅基薄膜太阳能电池发展现状显示文摘众所周知,能源驱动城市发展,然而随着传统能源日渐枯竭以及全球环境污染逐日加剧,人类迫切需要寻找新型可再生能源以驱动城市发展。因此,发展可再生能源已成为我国能源结构转型和缓解气候恶化的关键途径。科学研究表明,太阳能发电是一种清洁可再生的能源利用方案,具有“取之不尽,用之无竭”的优点。目前已商用化的晶体硅太阳能电池的光电转化效率最高,但受材料纯度和制备工艺的限制,晶体硅太阳能电池很难在提高光电转化效率的同时降低生产成本。于是,硅基薄膜太阳能电池的问世无疑是一道曙光——薄膜太阳能电池只需几微米的吸光层就能实现高效率光电转换,可以在降低生产成本的同时提高光电转化效率,具有生产成本低、硅材消耗少、光电转换效率高的无可比拟优势。 | 柴甜甜 | 2020 | 科技创新与应用2020，，34： | 1 |
| 2 | Preparation and lithium storage performances of g-C_(3)N_(4)/Si nanocomposites as anode materials for lithium-ion battery显示文摘As the anode material of lithium-ion battery,silicon-based materials have a high theoretical capacity,but their volume changes greatly in the charging and discharging process.To ameliorate the volume expansion issue of silicobased anode materials,g-C_(3)N_(4)/Si nanocomposites are prepared by using the magnesium thermal reduction technique.It is well known that g-C_(3)N_(4)/Si nanocomposites can not only improve the electronic transmission ability,but also ameliorate the physical properties of the material for adapting the stress and strain caused by the volume expansion of silicon in the lithiation and delithiation process.When g-C_(3)N_(4)/Si electrode is evaluated,the initial discharge capacity of g-C_(3)N_(4)/Si nanocomposites is as high as 1033.3 mAh/g at 0.1 A/g,and its reversible capacity is maintained at 548 mAh/g after 400 cycles.Meanwhile,the improved rate capability is achieved with a relatively high reversible specific capacity of 218 mAh/g at 2.0 A/g.The superior lithium storage performances benefit from the unique g-C_(3)N_(4)/Si nanostructure,which improves electroconductivity,reduces volume expansion,and accelerates lithiumion transmission compared to pure silicon. | Zhengxu BIAN Zehua TANG Jinfeng XIE Junhao ZHANG Xingmei GUO Yuanjun LIU Aihua YUAN Feng ZHANG Qinghong KONG | 2020 | Frontiers in Energy2020，14，4： | 1 |
| 3 | 2018年中国光伏技术发展报告(6)显示文摘表8为n型PERT太阳电池的双面率数据,其产线效率普遍在21%~21.5%。n型PERT太阳电池有两大优势:1)双面率较高,普遍可达到90%左右;2)光致衰减较p型PERC电池低。因此,目前n型PERT电池主要用于双面发电的示范项目中。 | 无 | 2019 | 太阳能2019，0，9： | 0 |
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