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Development of a Self-Charging Lithium-Ion Battery Using Perovskite Solar Cells
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This study demonstrates the use of perovskite solar cells for fabrication of self-charging lithium-ion batteries (LIBs). A LiFePO4 (LFP) cathode and Li4Ti5O12 (LTO) anode were used to fabricate a LIB. The surface morphologies of the LiFePO4 and Li4Ti5O12 powders were examined using field emission scanning electron microscopy. The structural properties of the two powders were investigated using X-ray diffraction. The electrochemical properties of the LiFePO4-Li and Li4Ti5O12-Li half cells and of the full cell were investigated. The LiFePO4-Li4Ti5O12 full cell showed an excellent Coulombic efficiency of 99.3% after 100 cycles. CH3NH3PBI3 (MAPbI3) perovskite solar cells (PSCs) were fabricated using a spin coating technique. A single PSC showed a power conversion efficiency of 12.95%. In order to develop a self-charging system for LIBs, four single PSCs connected in series were used as an LFP-LTO battery. The integrated PSC system showed a power conversion efficiency of 12.44%. The PSC-LIB coupled device showed excellent overall self-charging conversion and a storage efficiency of 9.25%.
Title: Development of a Self-Charging Lithium-Ion Battery Using Perovskite Solar Cells
Description:
This study demonstrates the use of perovskite solar cells for fabrication of self-charging lithium-ion batteries (LIBs).
A LiFePO4 (LFP) cathode and Li4Ti5O12 (LTO) anode were used to fabricate a LIB.
The surface morphologies of the LiFePO4 and Li4Ti5O12 powders were examined using field emission scanning electron microscopy.
The structural properties of the two powders were investigated using X-ray diffraction.
The electrochemical properties of the LiFePO4-Li and Li4Ti5O12-Li half cells and of the full cell were investigated.
The LiFePO4-Li4Ti5O12 full cell showed an excellent Coulombic efficiency of 99.
3% after 100 cycles.
CH3NH3PBI3 (MAPbI3) perovskite solar cells (PSCs) were fabricated using a spin coating technique.
A single PSC showed a power conversion efficiency of 12.
95%.
In order to develop a self-charging system for LIBs, four single PSCs connected in series were used as an LFP-LTO battery.
The integrated PSC system showed a power conversion efficiency of 12.
44%.
The PSC-LIB coupled device showed excellent overall self-charging conversion and a storage efficiency of 9.
25%.
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