AI Article Synopsis
- * By adjusting lithium-ion (Li-ion) concentrations, researchers aimed to maximize the energy storage capacity of these batteries, discovering that Li-ion levels significantly influence resistance and overall performance.
- * The results showed that an optimized Li-ion concentration enhanced the energy density of DSPBs from 8.73 to 12.64 mWh/cm when exposed to indoor LED lighting, indicating progress toward making DSPBs more effective for real-world applications.
Article Abstract
Dye-sensitized photorechargeable batteries (DSPBs) have recently gained attention for realizing energy recycling systems under dim light conditions. However, their performance under high storage efficiency (i.e., the capacity charged within a limited time) for practical application remains to be evaluated. Herein, we varied the lithium (Li)-ion concentration, which plays a dual role as energy charging and storage components, to obtain the optimized energy density of DSPBs. Electrochemical studies showed that the Li-ion concentration strongly affected the resistance characteristics of DSPBs. In particular, increasing the Li-ion concentration improved the output capacity and decreased the output voltage. Consequently, the energy density of the finely optimized DSPB improved from 8.73 to 12.64 mWh/cm when irradiated by a 1000-lx indoor light-emitting-diode lamp. These findings on the effects of Li-ion concentrations in electrolytes on the performance of DSPBs represent a step forward in realizing the practical application of DSPBs.
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| http://dx.doi.org/10.1021/acsami.3c05250 | DOI Listing |
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