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首页> 外文期刊>RSC Advances >Simultaneous electrochemical solar power generation and storage using metanil yellow-formic acid as a new sensitizer-reductant couple in photogalvanic cells
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Simultaneous electrochemical solar power generation and storage using metanil yellow-formic acid as a new sensitizer-reductant couple in photogalvanic cells

机译：使用茂密的黄色甲酸同时电化学太阳能发电和储存作为光致vanic细胞中的新敏化剂还原剂

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摘要

With the rapid commercialization of solar and wind power as supplements and potential substitutes of fossil fuels, the need for power storage techniques to render renewable energy sources impervious to climatic variations has gained significant importance recently. In addition to this requirement of power storage, photo-galvanic (PG) cells hold special significance because these photo-electrochemical devices are capable of simultaneous solar power generation and storage. PG cells with performance as high as 649.6 W power (P-pp), 2250 A current (i(sc)), 1048 mV potential (V-oc), 8.12% conversion efficiency (CE), and 59 minutes power storage capacity (as half-time, t(0.5)) have been reported under artificial and low illumination intensities. To enable PG cells, a future source of solar energy conversion, with storage as well, their efficiency must be improved further to a level comparable to that of photovoltaic cells. The metanil yellow dye (photo-sensitizer)-formic acid (reductant) couple has not been exploited to date for this purpose. Therefore, in the present study, the metanil yellow dye as a photosensitizer and formic acid as a reductant have been used in the presence of sodium lauryl sulfate surfactant and sodium hydroxide alkaline medium to further increase the solar energy conversion efficiency and storage capacity of PG cells. The present study reports greatly enhanced electrical performance (compared to earlier results for similar cells) of P-pp 822 W, i(sc) 6000 A, V-oc 1110 mV, CE 20.41%, and t(0.5) 105 minutes. On the basis of the redox potential and reported data, a plausible mechanism has also been proposed for the photo-generation of current in metanil yellow-formic acid photogalvanics.
机译：随着太阳能和风力发电的快速商业化作为化石燃料的补充，蓄电技术的需求，以使可再生能源不受欢迎的气候变化最近获得了重要意义。除了这一要求的蓄电装置之外，光电（PG）电池还具有特殊意义，因为这些光电化学设备能够同时发电和存储。 PG细胞具有高达649.6 W的性能（P PP），2250个电流（I（SC）），1048 MV电位（V-OC），8.12％转换效率（CE）和59分钟的蓄电容量（在人工和低照明强度下已经报道了半时间，T（0.5））。为了使PG细胞能够进行PG电池，因此具有存储的未来太阳能转换源，其效率必须进一步提高到与光伏电池相当的水平。茂密的黄染料（光敏剂） - 无规则酸（还原剂）夫妇迄今未被利用至此目的。因此，在本研究中，在月桂基硫酸钠表面活性剂和氢氧化钠碱性介质存在下，将甲烷硝基黄染料作为光敏剂和甲酸作为光敏剂和甲酸，以进一步提高PG细胞的太阳能转换效率和储存能力。 。本研究报告了P-PP 822 W，I（SC）6000a，V-oc 1110mV，Ce 20.41％和T（0.5）105分钟的大大增强了电气性能（与类似细胞的早期结果相比）增强了在氧化还原潜力和报告的数据的基础上，还提出了一种可合理的机理，用于茂剂黄甲酸光致缬氨酸中电流的光产生。

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  • 来源
    《RSC Advances》 |2019年第13期|共15页
  • 作者

    Koli Pooran; Dayma Yashodhara; Pareek Ramesh Kumar;

  • 作者单位

    Jai Narain Vyas Univ Dept Chem Jodhpur 342001 Rajasthan India;

    Jai Narain Vyas Univ Dept Chem Jodhpur 342001 Rajasthan India;

    Jai Narain Vyas Univ Dept Chem Jodhpur 342001 Rajasthan India;

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  • 正文语种 eng
  • 中图分类 化学;
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