Auxiliary precipitation device for silicon-based photovoltaic device surface electrode material

Abstract

The invention discloses an auxiliary precipitation device for a silicon-based photovoltaic device surface electrode material, relates to the technical field of silicon-based photovoltaic production equipment, and aims to solve problems that an existing device is too single in stirring preparation mode, low in specific surface area, low in silicon dioxide activation index, not beneficial to modification and use of nano silicon dioxide, poor in preparation effect and low in working efficiency. According to the technical scheme, the device comprises a box body, a controller, an ultrasonic cleaner and a motor are fixedly connected to the top of the box body, a supporting plate is fixedly connected into the box body, a horizontally-arranged transverse shaft is rotationally connected to the top of the supporting plate, and two first cams are fixedly connected to the transverse shaft. The device is reasonable in structural design and simple to operate, an ultrasonic-assisted precipitation method is more beneficial to preparation and modification of nano silicon dioxide, the hydrophobicity of the modified silicon dioxide is improved, the activation index of nano particles reaches 100%, the using effect is good, and the working efficiency is high.

Description

technical field [0001] The invention relates to the technical field of silicon-based photovoltaic production equipment, in particular to an auxiliary precipitation device for surface electrode materials of silicon-based photovoltaic devices. Background technique [0002] Silicon-based photovoltaics generally refer to the field of new energy. There are two main forms of solar energy utilization: photothermal and photoelectric. At present, most electrode materials on the market use silicon dioxide. The silicon dioxide nanopowder produced by the process is ultrasonically After assisted precipitation modification, it has good hydrophobicity, and ultrasonic technology has broad application prospects in the preparation of nanomaterials. After retrieval, the Chinese patent with the authorized notification number CN213446245U discloses a silicon dioxide preparation equipment, including a reaction box, the two ends of the top of the reaction box are fixedly equipped with a storage bo...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing device stirring preparation method is too single, the specific surface area is low, the activation index of silicon dioxide is low, it is not conducive to the modification and use of nano silicon dioxide, the preparation effect is poor, and the work efficiency is low. However, the proposed auxiliary deposition device for surface electrode materials of silicon-based photovoltaic devices

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