Adhesive Battery Assembly for Structural and Electrical Attachment
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Solution Overview
Problem
Existing methods for attaching energy storage devices, such as batteries, to devices are inefficient and lack customization for various applications.
Innovation Solution
The use of adhesive layers, including mounting and conductive adhesives, to structurally and electrically connect energy storage devices to devices, combined with photonic sintering for robust electrical connections, allowing for customizable shapes and sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional attachment methods are used for energy storage devices, then structural connection is achieved, but electrical connectivity and customization are insufficient
Solution Approach 1:
The adhesive layer serves multiple functions simultaneously: it provides structural attachment to bond the energy storage device to the device surface, establishes electrical connectivity through conductive adhesive material connecting the conductive tab to the electrical connection, and enables customization for various applications. This multi-functionality eliminates the need for separate attachment and electrical connection components.
Solution Approach 2:
The mounting adhesive and conductive adhesive are combined into a single integrated adhesive layer. This merging of structural and electrical connection functions into one component simplifies the overall assembly process and reduces the number of steps required, while achieving both mechanical attachment and electrical connectivity simultaneously.
2Reliability
If adhesive layers are used for attachment, then electrical connectivity is achieved, but additional fastening elements may be needed
Solution Approach 1:
The adhesive layer is designed to perform dual functions: structural mounting through the mounting adhesive and electrical connection through the conductive adhesive material. This eliminates the need for additional fastening elements or separate electrical connection components, as the single adhesive layer accomplishes both tasks reliably.
Solution Approach 2:
The structural attachment function and electrical connection function are merged into a single adhesive layer component. The mounting adhesive provides mechanical bonding while the conductive adhesive material within the same layer establishes electrical connectivity, removing the need for separate fasteners and electrical connectors.
3Manufacturing precision
If photonic sintering is used for electrical connections, then connection quality is improved, but process complexity increases
Solution Approach 1:
The photonic sintering process replaces traditional mechanical or thermal welding methods for establishing electrical connections. By using light energy to activate the conductive adhesive material and create robust electrical bonds, the process achieves superior connection quality without requiring complex mechanical assembly equipment or multiple processing steps.
Solution Approach 2:
The photonic sintering process utilizes controlled light parameters (intensity, duration, wavelength) to activate the conductive adhesive material and create high-quality electrical connections. By optimizing these photonic parameters, the process achieves reliable electrical connectivity while maintaining a relatively simple single-step fabrication approach.
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
Enables secure and efficient attachment of energy storage devices to devices, ensuring electrical connectivity while accommodating strain and flexibility, and facilitating rapid, high-quality electrical connections without additional fastening elements.
Implementation Method 1
an adhesive layer comprising a mounting adhesive, wherein the mounting adhesive is disposed on the bottom side of the shaped energy storage device
Implementation Method 2
the adhesive layer further comprises a conductive adhesive, and wherein the conductive adhesive is disposed over the portion of the conductive tab
Implementation Method 3
combined with photonic sintering for robust electrical connections
Data Source
AI summary
Energy storage device assemblies comprising shaped energy storage devices (e.g., a sticker battery) and adhesive layers are disclosed. The adhesive layer may include a mounting adhesive, and may further include a conductive adhesive. The energy storage device assemblies may be mounted onto and electrically connected to a device in need of an energy storage device. Methods of fabrication and methods of use thereof are also disclosed.