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2025年4月17日,《Science》刊登了一项来自美国国家可再生能源实验室(NREL)朱凯团队的突破:研究人员将传统电子传输材料富勒烯C60 “改造”成带正电的离子盐CPMAC,用作倒置结构钙钛矿电池的“电子穿梭层”,成功将单片效率提高至26.1%,并在高温长时间运行下表现出极低的。性能衰减(2100 h后仅降解2%),并在电池模组实验中实现23.2%的转换效率,为钙钛矿太阳能技术的工业化铺平了道路。

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(图片来源:《Science》)

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    2025年4月17日,《Science》刊登了一项来自美国国家可再生能源实验室(NREL)朱凯团队的突破:研究人员将传统电子传输材料富勒烯C60 “改造”成带正电的离子盐CPMAC,用作倒置结构钙钛矿电池的“电子穿梭层”,成功将单片效率提高至26.1%,并在高温长时间运行下表现出极低的。性能衰减(2100 h后仅降解2%),并在电池模组实验中实现23.2%的转换效率,为钙钛矿太阳能技术的工业化铺平了道路。

    . 离子富勒烯助钙钛矿电池单片效率提高至26.1%. 科技导报, 2025 , 43 (9) : 10 -10 .
    . Science & Technology Review, 2025 , 43 (9) : 10 -10 .
    2025年4月17日,《Science》刊登了一项来自美国国家可再生能源实验室(NREL)朱凯团队的突破:研究人员将传统电子传输材料富勒烯C60 “改造”成带正电的离子盐CPMAC,用作倒置结构钙钛矿电池的“电子穿梭层”,成功将单片效率提高至26.1%,并在高温长时间运行下表现出极低的。性能衰减(2100 h后仅降解2%),并在电池模组实验中实现23.2%的转换效率,为钙钛矿太阳能技术的工业化铺平了道路。
    具有p-i-n结构的倒置钙钛矿太阳能电池(PSCs)因其制备工艺简单、低温加工性以及与叠层电池的兼容性优势,成为商业化潜力突出的技术路线。然而,器件规模化制备与长期运行稳定性仍是其商业化的主要瓶颈。尽管C60通常作为PSCs中的电子传输层(ETL),但其分子特性导致界面结合弱,易引发非理想的界面电子和机械退化问题。
    研究团队的核心秘诀是把C60分子接上-CH2-NH3+“抓手”,让它与钙钛矿表面的缺陷位点发生离子键结合,同时配套Cl填补I空位,构筑更紧致、更坚固的界面。实验测得界面断裂能由0.5 J/m2跃升至1.43 J/m2(约3倍),薄层厚度也从传统20 nm减至10 nm,为后续原子层沉积SnOx提供平滑基底,并带来约30% 的电子迁移率提升。
    研究人员指出,离子富勒烯不仅兼具高电子亲和能与优异机械稳定性,还能在刀片涂布等规模化工艺中与钙钛矿膜协同成膜,显示出推进钙钛矿光伏商业化的又一条“材料+界面”新路线。
    (来源《Science》)

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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
    占总种数比例
    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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