Herein, an integrated device that comprises inorganic kesterite solar cells and Li-ion batteries (LIBs) has been proposed for application in fast photo-charging power systems. LiFePO₄ and Li₄Ti₅O₁₂ were selected as the battery electrode materials and six kesterite solar cells connected in series were fabricated to satisfy the charging voltage required for LIBs. Photo-charging was conducted at the rate of 1C (1.790 mAh g⁻¹) at 2.1 V. An energy conversion and storage efficiency of 3.87% was acquired in the integrated device, and a storage efficiency of over 70% was observed in LIBs. Furthermore, by synchronizing the charging voltage of the solar cell and LIB, over 70% of the capacity was obtained at the rate of 1C, while preventing overvoltage during long-term charging.

在本文中，已经提出了包括无机碳酸锂沸石太阳能电池和锂离子电池（LIB）的集成装置以用于快速光充电功率系统中。选择LiFePO ₄和Li ₄ Ti ₅ O ₁₂作为电池电极材料，并制造了六个串联的硅藻土太阳能电池，以满足LIB所需的充电电压。以1C（1.790 mAh g ^-1）在2.1 V时。集成器件中的能量转换和存储效率为3.87％，LIB中的存储效率超过70％。此外，通过同步太阳能电池和LIB的充电电压，以1C的速率获得了超过70％的容量，同时防止了长期充电期间的过电压。