Preparation method of series-parallel thin film battery assembly

2016 
The invention discloses a preparation method of a series-parallel thin film battery assembly. The method is mainly characterized in that a piece of TCO conductive glass is equally divided into two parts, which are the same in area, through a laser etching line, wherein the two parts are a series conductive portion and a parallel conductive portion, the series conductive portion is used for carrying out laser scribing on series sub-batteries, the parallel conductive portion is used for carrying out laser scribing on parallel sub-batteries, the series sub-batteries and the parallel sub-batteries are respectively connected by using a drainage strip and a bus bar, and then the series conductive portion and the parallel conductive portion are connected so as to manufacture the required series-parallel thin film battery assembly. According to the preparation method disclosed by the invention, a defect that the film uniformity is poor after large-area film plating is considered, characteristics of a series circuit and a parallel circuit are combined, and problems brought about by film difference and series connection of the sub-batteries are solved. Optimization for electrical parameters is carried out in allusion to a characteristic of high voltage or high current in the electrical parameters of a thin film battery, thereby avoiding influences imposed on such factors as inverter model selection and power station design in power station construction in a later period.
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