Solid Electrolyte Sheet Tensioning Frame for Uniform Thickness
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Solution Overview
Problem
The existing manufacturing methods for solid electrolyte sheets result in considerable thickness variation due to wrinkled or loosened bases, leading to degraded battery performance in solid-state batteries.
Innovation Solution
A manufacturing tool with a recessed-raised structure is used to tension the porous base, ensuring uniform thickness and reducing wrinkling and loosening, by employing a first frame member with a raised portion and a second frame member with a recessed portion to sandwich the base, providing a fixing structure that maintains tension during the application of the solid electrolyte material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the base is not tensioned during manufacturing, then the manufacturing process is simple, but the thickness of the solid electrolyte sheet varies considerably due to wrinkling and loosening
Solution Approach 1:
The base is tensioned and fixed to the frame members before the solid electrolyte material is applied. This preliminary action prevents wrinkling and loosening during the manufacturing process, ensuring uniform thickness without requiring complex real-time control mechanisms.
Solution Approach 2:
The base is designed as a flexible porous structure that can be tensioned and adhered to the frame members. This flexibility allows the base to conform to the tensioning force while maintaining its integrity, preventing defects during manufacturing.
2Quantity of substance
If a thin solid electrolyte sheet is manufactured, then energy density is improved, but the sheet may lack sufficient strength and cause cracks
Solution Approach 1:
The base is pre-tensioned and firmly adhered to the frame members before material application. This preliminary fixation provides structural support throughout the manufacturing process, enabling the production of thin sheets that maintain sufficient strength and resist cracking.
Solution Approach 2:
The base is designed with a porous structure that allows thorough impregnation with solid electrolyte material. This porous architecture provides both mechanical strength to prevent cracking and sufficient pathways for ion conduction, enabling thin sheet design without sacrificing strength.
Data Source
AI summary
A manufacturing tool for a solid electrolyte sheet is a manufacturing tool for a solid electrolyte sheet configured such that a porous base is filled with a solid electrolyte material. The manufacturing tool includes a first frame member and a second frame member each having opposing sandwiching portions and sandwiching the base by the sandwiching portions. The sandwiching portions provide a fixing structure configured of provide tension to the sandwiched base.