Solar Rechargeable Batteries Based on Lead-Organohalide Electrolyte

Wang, Qiong, Chen, Hongjun, McFarland, Eric and Wang, Lianzhou (2015) Solar Rechargeable Batteries Based on Lead-Organohalide Electrolyte. Advanced Energy Materials, 5 24: . doi:10.1002/aenm.201501418

Author Wang, Qiong
Chen, Hongjun
McFarland, Eric
Wang, Lianzhou
Title Solar Rechargeable Batteries Based on Lead-Organohalide Electrolyte
Journal name Advanced Energy Materials   Check publisher's open access policy
ISSN 1614-6840
Publication date 2015-12-23
Year available 2015
Sub-type Article (original research)
DOI 10.1002/aenm.201501418
Open Access Status Not yet assessed
Volume 5
Issue 24
Total pages 6
Place of publication Weinheim, Germany
Publisher Wiley
Language eng
Formatted abstract
A dye-sensitized solar cell (DSC) with in situ energy storage capacity is demonstrated using a lead–organohalide electrolyte CH3NH3I·PbCl2 (LOC) to replace the conventional I/I3 electrolyte. The coupling of lead and iodine in one electrolyte creates a dual-function rechargeable solar battery that combines the working processes of photoelectrochemical cells with electrochemical batteries. Optimization of the H+ concentration in the electrolyte leads to increased photocharging efficiency and storage. The power conversion efficiency of the LOC–DSC is 8.6% under one sun illumination (AM 1.5, 100 mW cm−2) as a DSC. When operating as a battery, Faraday efficiency can be achieved as high as 81.5% using a bromide-based CH3NH3Br·PbBr2 (LOB) electrolyte in a DSC configuration. This new cell design suggests a means of combining photovoltaic energy conversion and electrical energy storage.
Keyword Dye-sensitized solar cells
In situ energy storage
Lead-organohalide electrolyte
Solar rechargeable devices
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

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