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钙钛矿太阳能电池被誉为第三代光伏技术,具有柔性、质轻等特性,即便在阴天也可保持较稳定的光电转换效率。然而,其规模化制造仍面临挑战。杭州纤纳光电科技股份有限公司(简称“纤纳光电”)联合高校,提出太阳能电池材料钙钛矿的涂层革新技术,实现了平米级钙钛矿组件的稳定批量生产,推动钙钛矿技术实现了从实验室到规模化应用的跨越。2025年5月22日,相关研究成果发表于《Science》。

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(图片来源:纤纳光电)

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    钙钛矿太阳能电池被誉为第三代光伏技术,具有柔性、质轻等特性,即便在阴天也可保持较稳定的光电转换效率。然而,其规模化制造仍面临挑战。杭州纤纳光电科技股份有限公司(简称“纤纳光电”)联合高校,提出太阳能电池材料钙钛矿的涂层革新技术,实现了平米级钙钛矿组件的稳定批量生产,推动钙钛矿技术实现了从实验室到规模化应用的跨越。2025年5月22日,相关研究成果发表于《Science》。

    . 稳定“气场”打通钙钛矿太阳能电池量产之路. 科技导报, 2025 , 43 (11) : 4 -9 .
    . Science & Technology Review, 2025 , 43 (11) : 4 -9 .
    钙钛矿太阳能电池被誉为第三代光伏技术,具有柔性、质轻等特性,即便在阴天也可保持较稳定的光电转换效率。然而,其规模化制造仍面临挑战。杭州纤纳光电科技股份有限公司(简称“纤纳光电”)联合高校,提出太阳能电池材料钙钛矿的涂层革新技术,实现了平米级钙钛矿组件的稳定批量生产,推动钙钛矿技术实现了从实验室到规模化应用的跨越。2025年5月22日,相关研究成果发表于《Science》。
    钙钛矿电池规模化生产的难题之一,是缺乏稳定的流场。钙钛矿吸光层作为电池的核心部位,主要通过其前驱体溶液成膜和结晶来制备。传统真空闪蒸工艺气流不稳、容易在基板上残留溶剂,导致晶体构型差、组件暗斑明显。团队自主研发了三维层流风场技术(LAD),在0.79 m2的基板上实现稳定层流(气体流速波动小于5%)。论文第一作者、纤纳光电联合创始人颜步一介绍,LAD就像在涂了钙钛矿溶液的玻璃基板上放置一个结构复杂的“抽油烟机”。通过巧妙结合旋涂工艺、真空闪蒸工艺,使气流平稳、均匀、定向地掠过玻璃基板。
    稳定的气流,不仅优化了结晶取向,更通过将溶剂挥发时间由0.3 s延长至2.8 s,抑制了钙钛矿晶粒的无序生长,从而保证了大面积钙钛矿组件的良品率。实验室测试结果显示,LAD工艺的溶剂残留量仅为传统工艺的1/10,暗斑密度较真空闪蒸工艺降低82%,紫外老化1000 h后仍保留初始效率的98.2%,而对照组仅为70.7%。在浙江桐乡的示范产线中,搭载LAD技术的钙钛矿组件展现出工业级稳定性:14527块量产组件的平均功率111.4 W(效率14.1%),量产良率突破98.5%。户外实证数据表明,0.5 MWp钙钛矿电站的年发电量较同规模晶硅电站高29%,服役寿命预期超过25年。
    这场由LAD引发的光伏革命,正悄然改写全球能源格局。
    (综合《Science》、新华网、中国复合材料学会官网)

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    2种不同金属材料的力学参数

    Family
    属数
    Number of
    genus
    种数
    Number of
    species
    占总种数比例
    Percentage of
    total species (%)

    Genus
    种数
    Number of
    species
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    Percentage of total
    species (%)
    鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
    小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
    多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
    红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
    小菇属 Mycena 11 5.26
    光柄菇属 Pluteus 5 2.39
    红菇属 Russula 17 8.13
    栓菌属 Trametes 5 2.39
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