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| DOI | 10.1039/c9ee03245b |
| Indoor-light-energy-harvesting dye-sensitized photo-rechargeable battery | |
| Kim B.-M.; Lee M.-H.; Dilimon V.S.; Kim J.S.; Nam J.S.; Cho Y.-G.; Noh H.K.; Roh D.-H.; Kwon T.-H.; Song H.-K. | |
| 发表日期 | 2020 |
| ISSN | 1754-5692 |
| 起始页码 | 1473 |
| 结束页码 | 1480 |
| 卷号 | 13期号:5 |
| 英文摘要 | Photo-rechargeable batteries (PRBs) benefit from their bifunctionality covering energy harvesting and storage. However, dim-light performances of the PRBs for indoor applications have not been reported. Herein, we present an external-power-free single-structured PRB named a dye-sensitized photo-rechargeable battery (DSPB) with an outstanding light-to-charge energy efficiency (ηoverall) of 11.5% under the dim light condition. This unprecedented ηoverall was attributed to the thermodynamically-favorable design of the DSPB that maximizes the working potential. At high-power irradiation, the kinetically-fast but thermodynamically-unfavorable iodine mediator (I-/I3-) showed the highest charge and discharge capacities even if its discharge voltage was lowest. Under dim-light for indoor applications, however, the thermodynamically-favorable but kinetically-slow copper complex mediator (Cu+/2+(dmp)2) showed energy density and efficiency superior to I-/I3- because its kinetics did not limit the harvesting capacity. The successful demonstration of the ability of the DSPB to operate a temperature-sensing IoT device only by indoor light opens the possibility of realizing indoor-light-harvesting PRBs. © The Royal Society 2020 of Chemistry. |
| 语种 | 英语 |
| scopus关键词 | Copper compounds; Energy efficiency; Energy harvesting; Kinetics; Light; Charge and discharge capacities; Copper complexes; Discharge voltages; Dye sensitized; Energy density; Indoor applications; Indoor light; Temperature sensing; Secondary batteries; dye; equipment; indoor air; operations technology; performance assessment |
| 来源期刊 | Energy and Environmental Science
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/162555 |
| 作者单位 | Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea; School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea |
| 推荐引用方式 GB/T 7714 | Kim B.-M.,Lee M.-H.,Dilimon V.S.,et al. Indoor-light-energy-harvesting dye-sensitized photo-rechargeable battery[J],2020,13(5). |
| APA | Kim B.-M..,Lee M.-H..,Dilimon V.S..,Kim J.S..,Nam J.S..,...&Song H.-K..(2020).Indoor-light-energy-harvesting dye-sensitized photo-rechargeable battery.Energy and Environmental Science,13(5). |
| MLA | Kim B.-M.,et al."Indoor-light-energy-harvesting dye-sensitized photo-rechargeable battery".Energy and Environmental Science 13.5(2020). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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