| 摘要 |
A tunable photovoltaic electrochromic (PV-EC) device and module are provided. The device includes a transparent substrate, a thin film solar cell on the transparent substrate, a transparent conductive layer located on the transparent substrate beside the thin film solar cell, an EC material covering an exposed surface of the transparent conductive layer and the thin film solar cell, a switching apparatus, and a charge-discharge device coupled to the switching apparatus. The transparent conductive layer and a cathode layer of the thin film solar cell respectively serve as the anode and the cathode of the EC material simultaneously. The switching apparatus is electrically connected to the transparent conductive layer and electrically connected to the anode layer and the cathode layer of the thin film solar cell. The switching apparatus enters a control mode through a switch control signal.
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