CN111524986A - 一种便携高效的钙钛矿-储能集成器件及其制备方法 - Google Patents

一种便携高效的钙钛矿-储能集成器件及其制备方法 Download PDF

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CN111524986A
CN111524986A CN202010378826.7A CN202010378826A CN111524986A CN 111524986 A CN111524986 A CN 111524986A CN 202010378826 A CN202010378826 A CN 202010378826A CN 111524986 A CN111524986 A CN 111524986A
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于月
于华
张萌
张富
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Abstract

本发明公开了一种便携高效的钙钛矿‑储能集成器件及其制备方法，属于能量转化与储存器件技术领域。该钙钛矿‑储能集成器件包括钙钛矿太阳能电池组和铝离子电池系统，钙钛矿太阳能电池组包括多个串联的太阳能电池单元，太阳能电池单元包括导电基底、电子传输层、钙钛矿层和空穴传输层。为了与铝电的电压相匹配，本发明设计了较小的钙钛矿太阳能电池组件，通过在同一基底上直接串联多个相同的钙钛矿电池。本发明还采用全无机钙钛矿作为光吸收层，使其所制备的集成器件更加稳定，有利于集成器件高效的能量转化，提高其结构稳定性和使用寿命。

Description

一种便携高效的钙钛矿-储能集成器件及其制备方法
技术领域
本发明涉及能量转化与储存器件技术领域，具体涉及一种便携高效的钙钛矿-储能集成器件及其制备方法。
背景技术
近年来，钙钛矿太阳能电池凭借其光电转化效率高、制备工艺简单等优势，得到了突飞猛进的发展。然而实际应用中白天黑夜的循环、气候日照的变化都会影响太阳能电池的能量输出。因此，实现太阳能的光电转换与电能及时储存具有非常重要的意义，钙钛矿-储能集成器件，通过光伏组件将太阳能转换为电能，直接存储生成电气能源，是比较有前途的下一代电源之一。钙钛矿材料的太阳能电池效率逐年攀升，远超过了染料敏化电池和有机太阳能电池等新型薄膜太阳能电池，具有光明的应用前景和巨大的竞争潜力。
铝离子电池以其能量密度高、使用寿命长、无记忆效应和安全、无污染等优点，受到了广泛的应用，尤其在电动车和混合动力电车方面。但因为其自身不能满足自充电供应会限制其应用。而太阳能电池可以为铝离子电池直接充电提供大规模应用的机会。
目前，对于太阳能电池与铝离子电池的集成虽然有了一些研究，然而涉及无机钙钛矿太阳能电池与铝离子电池的集成研究甚少，目前的钙钛矿材料大都采用有机-无机混合钙钛矿体系，材料的稳定性较差，并且集成方式存在价格昂贵、笨重等问题。因此，如何实现钙钛矿太阳能的稳定输出和钙钛矿太阳能电池与铝离子电池的有效集成，开发基于无机钙钛矿的便捷高效的储能集成器件，还需要开展深入的研究与探索。
发明内容
本发明针对现有技术的以上缺陷或改进需求，本发明提供了一种便捷高效的钙钛矿-储能集成器件及其制备方法，其采用叠层的集成方式，前三层为串联而成的无机钙钛矿太阳能电池组，上面堆积铝离子电池系统，实现了能量转化和存储的双重功能，减小了器件的体积，降低了成本，有利于小型化电子设备的实现。
本发明提供了一种便携高效的钙钛矿-储能集成器件及其制备方法，包括至少三个串联的太阳能电池单元，各太阳能电池单元均包括自下而上依次设置的透明导电衬底、电子传输层、无机钙钛矿光吸收层和空穴传输层，所述空穴传输层上设有铝离子电池系统。
较佳地，透明导电衬底为FTO或ITO玻璃。
较佳地，电子传输层为TiO2、SnO2或ZnO。
较佳地，无机钙钛矿光吸收层为CsPbI2Br。
本发明还提供了一种便携高效的钙钛矿-储能集成器件的制备方法，包括如下步骤：
1)透明导电衬底的预处理：依次采用去离子水、无水乙醇、丙酮、异丙醇和无水乙醇清洗透明导电衬底表面，氮气吹干，最后放入紫外线臭氧中处理10-20分钟进行表面改性；
2)通过一步旋涂法在步骤1)预处理后的透明导电衬底上旋涂电子传输层；
3)在步骤2)得到的电子传输层上旋涂钙钛矿结构的光伏材料，得到无机钙钛矿光吸收层；
4)在步骤3)得到的无机钙钛矿光吸收层上旋涂空穴传输层材料，完成一个太阳能电池单元的制备；
5)重复步骤1)-4)，制备获得多个太阳能电池单元，将制备完成的多个个太阳能电池单元采用串联的方式连接，获得钙钛矿太阳能电池组；
6)在钙钛矿太阳能电池组的空穴传输层上制备铝离子电池系统，得到所述集成器件。
与现有技术相比，本发明的有益效果是：1)本发明采用全无机钙钛矿作为光吸收层，相比于传统钙钛矿而言，具有更高的湿度和热稳定性；
2)钙钛矿太阳能电池与铝离子电池系统采用叠层的方式集成，简化了制备工艺，降低了器件的制备成本；
3)本发明钙钛矿发光系统得到了15.07％的高光电转化效率，具有优异的发电性能。
附图说明
图1为本发明钙钛矿-储能集成器件的基本结构示意图；
图2为本发明钙钛矿-储能集成器件的J-V曲线图。
具体实施方式
下面结合附图1，对本发明的具体实施方式进行详细描述，但应当理解本发明的保护范围并不受具体实施方式的限制。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1所示，本发明实施例提供的是一种钙钛矿-储能集成器件，其采用其采用叠层的集成方式，串联而成的无机钙钛矿太阳能电池组上面堆积铝离子电池系统，实现了能量转化和存储的双重功能，减小了器件的体积，降低了成本，有利于小型化电子设备的实现。
本发明提供的一种便携高效的钙钛矿-储能集成器件，包括至少三个串联的太阳能电池单元，各太阳能电池单元均包括自下而上依次设置的透明导电衬底、电子传输层、无机钙钛矿光吸收层和空穴传输层，所述空穴传输层上设有铝离子电池系统。
其中，透明导电衬底为FTO或ITO玻璃。
其中，电子传输层为TiO2、SnO2或ZnO。
其中，无机钙钛矿光吸收层为CsPbI2Br。
上述便携高效的钙钛矿-储能集成器件的制备方法如下：
1)对ITO玻璃的预处理：依次采用去离子水、无水乙醇、丙酮、异丙醇和无水乙醇清洗表面，氮气吹干，最后放入紫外臭氧清洗机中处理15分钟进行表面改性；
2)通过一步旋涂法在步骤1)预处理后的导电基底上旋涂电子传输层；
3)在步骤2)得到的电子传输层上旋涂钙钛矿结构的光伏材料，得到无机钙钛矿光吸收层；
4)在步骤3)得到的钙钛矿光吸收层上旋涂空穴传输层材料，完成一个太阳能电池单元的制备；
5)重复步骤1)-4)，制备获得3个太阳能电池单元，将制备完成的3个太阳能电池单元采用串联的方式连接，获得一块钙钛矿太阳能电池组；
6)在空穴传输层上制备铝离子电池系统，得到本发明所述集成器件。
我们还对上述所制备的集成器件的发电性能进行测试，测试结果如图2所示，钙钛矿发光系统得到了15.07％的高光电转化效率，具有优异的发电性能。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (5)

1.一种便携高效的钙钛矿-储能集成器件，其特征在于，包括至少三个串联的太阳能电池单元，各太阳能电池单元均包括自下而上依次设置的透明导电衬底、电子传输层、无机钙钛矿光吸收层和空穴传输层，所述空穴传输层上设有铝离子电池系统。
2.如权利要求1所述的便携高效的钙钛矿-储能集成器件，其特征在于，所述透明导电衬底为FTO或ITO玻璃。
3.如权利要求1所述的便携高效的钙钛矿-储能集成器件，其特征在于，所述电子传输层为TiO2、SnO2或ZnO。
4.如权利要求1所述的便携高效的钙钛矿-储能集成器件，其特征在于，所述无机钙钛矿光吸收层为CsPbI2Br。
5.如权利要求1-4任意一项权利要求所述的便携高效的钙钛矿-储能集成器件的制备方法，其特征在于，包括如下步骤：
1)透明导电衬底的预处理：依次采用去离子水、无水乙醇、丙酮、异丙醇和无水乙醇清洗透明导电衬底表面，氮气吹干，最后放入紫外线臭氧中处理10-20分钟进行表面改性；
2)通过一步旋涂法在步骤1)预处理后的透明导电衬底上旋涂电子传输层；
3)在步骤2)得到的电子传输层上旋涂钙钛矿结构的光伏材料，得到无机钙钛矿光吸收层；
4)在步骤3)得到的无机钙钛矿光吸收层上旋涂空穴传输层材料，完成一个太阳能电池单元的制备；
5)重复步骤1)-4)，制备获得多个太阳能电池单元，将制备完成的多个个太阳能电池单元采用串联的方式连接，获得钙钛矿太阳能电池组；
6)在钙钛矿太阳能电池组的空穴传输层上制备铝离子电池系统，得到所述集成器件。
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CN113178521A (zh) * 2021-04-19 2021-07-27 南京大学 一种提高钙钛矿太阳能电池模组稳定性的设计
CN114142115A (zh) * 2021-11-03 2022-03-04 复旦大学 三级钙钛矿叠层太阳能电池-储能电池集成器件及其制备方法

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CN110246917A (zh) * 2019-06-26 2019-09-17 西南石油大学 一种无机钙钛矿太阳能电池及制备方法

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CN113178521A (zh) * 2021-04-19 2021-07-27 南京大学 一种提高钙钛矿太阳能电池模组稳定性的设计
CN114142115A (zh) * 2021-11-03 2022-03-04 复旦大学 三级钙钛矿叠层太阳能电池-储能电池集成器件及其制备方法

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Application publication date: 20200811