Solar Cell Module Conductive Pattern for Reliable Interconnection

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Current solar cell modules face challenges in efficiently connecting multiple solar cells while maintaining protection from environmental factors, leading to reduced efficiency and increased manufacturing complexity.

Innovation Solution

A solar cell module design featuring a conductive pattern part with protrusions connected by a conductive adhesive, positioned on non-light incident surfaces, which electrically connects solar cells and includes protective layers and insulating sheets to enhance protection and efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional connection methods are used to connect solar cells, then electrical connection is achieved, but manufacturing complexity increases and protection from environmental factors is compromised

Engineering Contradiction:

Improveelectrical connection reliabilityVSAvoidmanufacturing complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the connection function and protection function into a single integrated conductive pattern part. This component simultaneously provides electrical connection between solar cells and environmental protection, eliminating the need for separate connection elements and protective layers, thus reducing manufacturing complexity while maintaining reliability

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The conductive pattern part is designed to perform multiple functions: electrical conduction, mechanical connection, and environmental protection. This multi-functional design simplifies the overall structure and reduces the number of components needed, directly addressing the contradiction between reliability and manufacturing complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Object-affected harmful factors

If multiple protective layers are added to protect solar cells from environmental factors, then protection is enhanced, but manufacturing time increases

Engineering Contradiction:

Improveprotection from environmental factorsVSAvoidmanufacturing time

Core Design Contradiction:

Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The patent merges multiple protective functions into a single conductive pattern part that provides both electrical connection and environmental protection. This integration eliminates the need for multiple separate protective layers, reducing manufacturing steps and time while maintaining comprehensive protection

Inventive Principle:

Principle #5Merging (Combining)

3Productivity

If conventional connection methods are used, then solar cells are connected, but connection efficiency and production efficiency are reduced

Engineering Contradiction:

Improveproduction efficiencyVSAvoidelectrical connection efficiency

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The conductive pattern part is pre-designed and pre-positioned on the solar cell module before final assembly. This preliminary placement ensures optimal electrical connection pathways are established early in the manufacturing process, improving both connection efficiency and overall production efficiency by reducing subsequent adjustment needs

Inventive Principle:

Principle #10Preliminary action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This design improves the electrical connection between solar cells, reduces manufacturing time, and enhances protection from environmental factors, resulting in increased efficiency and production efficiency.

Implementation Method 1

a conductive adhesive part that is positioned between the plurality of first current collectors of the at least one solar cell and the plurality of first protrusions and between the plurality of second current collectors of the at least one solar cell and the plurality of second protrusions

Methodology Applied

Scientific EffectElectrical conduction: Conduction (electrical)

Data Source

PatentUS10181543B2Solar cell module having a conductive pattern part

Publication Date: 2019.01.15 JINGAO SOLAR CO LTD

AI summary

A solar cell module includes a plurality of solar cells including a first solar cell and a second solar cell adjacent to each other, wherein each of the plurality of solar cells including at least one first current collector and at least one second current collector, wherein the at least one first current collector and the at least one second current collector being positioned on a non-light incident surface of each of the plurality of solar cells, which is opposite to a light incident surface of each of the plurality of solar cells, an insulating film having a conductive pattern part positioned on the insulating film, wherein the conductive pattern part including a first pattern which is connected to the at least one first current connector 161 of the plurality of solar cells and a second pattern which is connected to the at least one second current connector of the plurality of solar cells, wherein the first pattern being spaced apart from the second pattern; and an insulating sheet between the an insulating film and the non-light incident surface of the plurality of solar cells.