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The First Record of Diurnal Performance Evolution of Perovskite Solar Cells in Near Space
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2022-11-24 , DOI: 10.1002/aenm.202202643 Hui Wang 1, 2 , Xiao Jiang 2 , Yuexian Cao 2 , Lulu Qian 3 , Yang Liu 3 , Min Huang 3 , Chunfu Zhang 1 , Yue Hao 1 , Kai Wang 2 , Shengzhong(Frank) Liu 2, 4
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2022-11-24 , DOI: 10.1002/aenm.202202643 Hui Wang 1, 2 , Xiao Jiang 2 , Yuexian Cao 2 , Lulu Qian 3 , Yang Liu 3 , Min Huang 3 , Chunfu Zhang 1 , Yue Hao 1 , Kai Wang 2 , Shengzhong(Frank) Liu 2, 4
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Perovskite solar cells (PSCs), have exhibited potential value for revolutionizing photovoltaic technology for space applications, and they have passed a series of tests in a simulated space environment. Nevertheless, the simulated space environment on land is definitely distinguished from the real-space conditions, and the results cannot completely represent the real operating state of PSCs in space. Herein, PSCs mounted on a high-altitude balloon are launched into near-space and the current–voltage characteristics are measured in situ throughout the 19-h flight, during which the PSCs are exposed directly to near-space and experience wide temperature variation, vacuum, and strong irradiation. Thus, the diurnal performance evolution of PSCs is obtained for the first time and a possible variation mechanism is identified. The PSCs present expected stability and a champion power density of ≈12 mW cm−2 at noon, which is demonstrated as the highest result achieved in near-space for PSCs. Additionally, despite a complex degradation process, the PSCs still deliver a high energy density comparable to that of silicon solar cells. Finally, the challenges facing the space application of PSCs are discussed. This work highlights the feasibility of PSCs in near space and provides direction for further exploration.
中文翻译：
近太空钙钛矿太阳能电池昼夜性能演化的首次记录
钙钛矿太阳能电池 (PSC) 展示了革新太空应用光伏技术的潜在价值，并且它们已经在模拟太空环境中通过了一系列测试。然而，陆地上模拟的空间环境与真实空间条件存在明显区别，其结果不能完全代表PSCs在空间的真实运行状态。在此，将安装在高空气球上的 PSC 发射到近太空，并在整个 19 小时的飞行过程中原位测量电流 - 电压特性，在此期间 PSC 直接暴露在近太空并经历广泛的温度变化，真空和强辐射。因此，首次获得了 PSC 的昼夜性能演变，并确定了可能的变化机制。-2在中午，这被证明是 PSC 在近空间取得的最高结果。此外，尽管降解过程复杂，但 PSC 仍可提供与硅太阳能电池相当的高能量密度。最后，讨论了 PSC 空间应用面临的挑战。这项工作突出了PSCs在临近空间的可行性，并为进一步探索提供了方向。
更新日期：2022-11-24
中文翻译：
近太空钙钛矿太阳能电池昼夜性能演化的首次记录
钙钛矿太阳能电池 (PSC) 展示了革新太空应用光伏技术的潜在价值，并且它们已经在模拟太空环境中通过了一系列测试。然而，陆地上模拟的空间环境与真实空间条件存在明显区别，其结果不能完全代表PSCs在空间的真实运行状态。在此，将安装在高空气球上的 PSC 发射到近太空，并在整个 19 小时的飞行过程中原位测量电流 - 电压特性，在此期间 PSC 直接暴露在近太空并经历广泛的温度变化，真空和强辐射。因此，首次获得了 PSC 的昼夜性能演变，并确定了可能的变化机制。-2在中午，这被证明是 PSC 在近空间取得的最高结果。此外，尽管降解过程复杂，但 PSC 仍可提供与硅太阳能电池相当的高能量密度。最后，讨论了 PSC 空间应用面临的挑战。这项工作突出了PSCs在临近空间的可行性，并为进一步探索提供了方向。
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