Photovoltaic module and photovoltaic module preparation method
By using thin gate electrodes and alternately arranged insulating layers and insulating block structures in photovoltaic modules, the problems of complexity and insufficient stability of the bus bar insulation structure are solved, and the effect of simplifying the insulation structure and improving the yield of the component is achieved.
CN119789545APending Publication Date: 2025-04-08LONGI GREEN ENERGY TECH CO LTD
0 Cites 9 Cited by
Patent Information
- Application Number
- CN202411899207.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-04-08
AI Technical Summary
Technical Problem
The insulating structure of the bus bar in photovoltaic modules is complex and the stability needs to be improved, resulting in high welding difficulty and low component yield.
Method used
Using a structure of a thin gate electrode and an alternately arranged first insulating layer and an insulating block, the bus bar is arranged on the back of the cell, and the insulating bar is insulated from the solder strip and the fine gate electrode through the insulating block and the first insulating layer.
Benefits of technology
The insulating structure is simplified, the insulation stability is improved, the welding difficulty is reduced, and the production efficiency and yield of photovoltaic modules are improved.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a photovoltaic module and a photovoltaic module preparation method, the photovoltaic module comprises a battery piece, a welding strip, a bus bar and an insulating block, and the back surface of the battery piece is provided with a fine gate electrode and a first insulating layer; the first welding strip is electrically connected with the fine gate electrode with the first polarity, and the second welding strip is electrically connected with the fine gate electrode with the second polarity; the insulating blocks are located on the back face of the battery piece, the insulating blocks and the first insulating layers are alternately arranged in the extending direction of the fine gate electrodes, and the insulating blocks cover part of the fine gate electrodes of the second polarity and part of the second welding strip; the first insulating layer covers part of the fine gate electrode with the second polarity; the bus bar is located in the area, corresponding to the first insulating layer and the insulating block, of the back face of the battery piece, the bus bar extends in the length direction of the fine grid electrode, the bus bar is electrically connected with the first welding strip, and the bus bar is electrically isolated from the second welding strip through the insulating block; and the bus bar is electrically isolated from the fine gate electrode with the second polarity through the insulating blocks and the first insulating layers which are alternately arranged.
Need to check novelty before this filing date? Find Prior Art