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基于还原-冷压制备的Janus湿气诱导水伏发电GO-rGO复合材料

张玮峰 王荦敏 邓元

张玮峰, 王荦敏, 邓元. 基于还原-冷压制备的Janus湿气诱导水伏发电GO-rGO复合材料[J]. 复合材料学报, 2023, 40(12): 6630-6638. doi: 10.13801/j.cnki.fhclxb.20230323.001
引用本文: 张玮峰, 王荦敏, 邓元. 基于还原-冷压制备的Janus湿气诱导水伏发电GO-rGO复合材料[J]. 复合材料学报, 2023, 40(12): 6630-6638. doi: 10.13801/j.cnki.fhclxb.20230323.001
ZHANG Weifeng, WANG Luomin, DENG Yuan. Janus moisture induced hydrovoltaic electricity GO-rGO composite material via reduction and tabletting method[J]. Acta Materiae Compositae Sinica, 2023, 40(12): 6630-6638. doi: 10.13801/j.cnki.fhclxb.20230323.001
Citation: ZHANG Weifeng, WANG Luomin, DENG Yuan. Janus moisture induced hydrovoltaic electricity GO-rGO composite material via reduction and tabletting method[J]. Acta Materiae Compositae Sinica, 2023, 40(12): 6630-6638. doi: 10.13801/j.cnki.fhclxb.20230323.001

基于还原-冷压制备的Janus湿气诱导水伏发电GO-rGO复合材料

doi: 10.13801/j.cnki.fhclxb.20230323.001
基金项目: 国家自然科学基金青年科学基金项目(52003015);浙江省自然科学基金重点项目(LZ23E020004);国家重点研发计划(2018YFA0702100);浙江省重点研发计划(2021C01026);浙江省领军型创新创业团队(2020R01007)
详细信息
    通讯作者:

    张玮峰,博士,副研究员,硕士生导师,研究方向为新能源材料、超浸润材料的设计与应用 E-mail: weifengzhang0205@163.com

  • 中图分类号: O647;TB332

Janus moisture induced hydrovoltaic electricity GO-rGO composite material via reduction and tabletting method

Funds: National Natural Science Foundation of China (52003015); Zhejiang Provincial Natural Science Foundation of China (LZ23E020004); National Key Research and Development Program of China (2018YFA0702100); Zhejiang Provincial Key Research and Development Program (2021C01026); Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang (2020R01007)
  • 摘要: 随着万物互联、信息时代下新型传感器自供电需求的增加与传统化石能源使用所造成的全球变暖和环境问题的加剧,亟需开发新的能源利用与发电方式。水伏发电作为一种无源、零碳、负热的电能转化方式,能够充分利用自然界中的水循环,具有重要的研究价值。本文以湿气诱导水伏发电为能源利用形式,以氧化石墨烯(GO)为原材料,通过多巴胺自聚合反应将部分原材料反应为还原氧化石墨烯(rGO),结合冻干与压片的方法制备出具有两面特性的Janus水伏发电GO-rGO复合材料。该材料具有明显的含氧官能团梯度分布性质,在高湿度条件下可以进行长时发电,集成后的单个器件的开路电压接近400 mV,功率密度可达25 μW/cm3,同时具有良好的稳定性,在使用1年后仍然具有较好的输出性能。更重要的是,此发电机通过串联可实现阵列化,从而进一步提升发电性能,8个器件串联输出电压便可轻易达到3 V以上,可用于小功率器件的驱动与呼气-吸气行为的响应。本湿气发电材料及器件制备方法简单,输出性能优异,在自供电与传感领域展现出良好的应用前景。

     

  • 图  1  Janus湿气诱导水伏发电氧化石墨烯(GO)-还原氧化石墨烯(rGO)复合材料的制备流程与水伏发电器件示意图

    Figure  1.  Fabrication process of the Janus moisture induced electricity generation graphene oxide (GO)-reduced grapheme oxide (rGO) composite material and the corresponding hydrovoltaic generator

    图  2  Janus湿气诱导水伏发电GO-rGO复合材料的表面形貌:GO部分((a), (b))和rGO部分((c), (d))的数码照片与SEM图像

    Figure  2.  Surface morphology of the Janus moisture induced electricity generation GO-rGO composite material: Digital image and SEM image of the GO surface ((a), (b)) and rGO surface ((c), (d))

    图  3  Janus湿气诱导水伏发电GO-rGO复合材料的 官能团浓度梯度表征:(a) Janus水伏发电材料(MEGM)的SEM截面照片;(b) GO区域与rGO区域的O/C原子含量比;((c), (d)) GO区域与rGO区域的C元素XPS C1s谱图;(e) GO面与rGO面的FTIR图谱

    Figure  3.  Characterization of functional group concentration gradient in Janus moisture induced electricity generation GO-rGO composite material: (a) Cross section SEM image of the Janus moisture induced electricity generation material (MEGM); (b) O/C atomic ratio of the GO surface and rGO surface; ((c), (d)) High-resolution XPS C as narrow scans of the GO surface and rGO surface, respectively; (e) FTIR spectra of GO surface and rGO surface

    图  4  Janus湿气诱导水伏发电GO-rGO复合材料与发电机的发电性能: (a) Janus湿气诱导水伏发电复合材料的发电机制;(b) 材料在不同湿度下的输出电压; (c) 水伏器件的输出电压/输出电流随外接负载的变化;(d) 水伏器件长时间工作时的输出电压;(e) 材料在0天与放置365天后的输出电压;(f) 纯rGO与GO膜材料的湿气发电性能

    Figure  4.  Performance of the Janus moisture induced electricity generation GO-rGO composite material and generator: (a) Electricity generation scheme of the Janus GO-rGO composite material; (b) Output voltage of the as-prepared material at different moisture condition; (c) Output voltage and current density of the Janus MEGM with different electric resistors; (d) Output voltage of the hydrovoltaic device working for a long time; (e) Output performance of the material at the original state and after 365 days, respectively; (f) Output voltage of the pure rGO and GO material, respectively

    RH—Relative humidity

    图  5  湿气诱导水伏发电机的应用展示:(a) Janus湿气诱导水伏发电机输出电压随呼气-吸气的变化;(b) 8器件串联水伏器件阵列的输出电压,附图是阵列外观数码照片

    Figure  5.  Application illustration of the moisture induced hydro-voltaic generator: (a) Responsive performance of the Janus hydrovoltaic device between expiration and inspiration; (b) Output voltage of the hydrovoltaic array with 8 individual devices connected in series, insets are the digital photo of the device array and the illustration of LED self-powered application

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出版历程
  • 收稿日期:  2023-02-02
  • 修回日期:  2023-03-14
  • 录用日期:  2023-03-17
  • 网络出版日期:  2023-03-24
  • 刊出日期:  2023-12-01

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