Staggered Upper Plate Container to Stop Li-Ion Battery Floating
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Solution Overview
Problem
Lithium-ion secondary batteries often float during the discharge treatment process, risking fire when not fully discharged and coming into contact with the atmosphere.
Innovation Solution
A pretreatment container with a housing and staggered, rotatably hinged upper plates that prevent floating by ensuring the battery is securely inserted and submerged, using an inclined structure and adjustable hinge motion to control the insertion area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the secondary battery is immersed in a solution for discharge treatment, then the discharge operation can be performed, but the battery may float and come into contact with the atmosphere causing fire
Solution Approach 1:
The patent introduces an upper plate as an intermediary component between the battery and the atmosphere. This plate prevents direct contact between the floating battery and atmospheric oxygen, thereby eliminating the fire risk while allowing the discharge treatment to proceed. The upper plate acts as a physical barrier that mediates the interaction between the battery and the environment.
Solution Approach 2:
The housing is segmented into multiple functional regions: a receiving space for the battery, an upper plate structure with insertion portions, and a door assembly. This segmentation allows each component to perform its specific function - the receiving space contains the battery, the upper plate prevents floating and contact with atmosphere, and the door provides access control.
2Reliability
If the upper plate structure is added to prevent floating, then battery safety is improved, but the device complexity increases
Solution Approach 1:
The upper plate is designed to perform multiple functions simultaneously: it prevents the battery from floating, creates insertion portions for securing the battery, and forms a barrier against atmospheric contact. By consolidating these functions into a single component, the patent reduces overall device complexity while maintaining safety effectiveness.
Solution Approach 2:
The patent merges the floating prevention function with the battery securing function by integrating the insertion portions directly into the upper plate structure. This combination eliminates the need for separate securing mechanisms, thereby simplifying the overall device structure while achieving both floating prevention and secure positioning.
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
Effectively prevents lithium-ion batteries from floating and reacting with the atmosphere, thereby preventing fires during the discharge treatment process.
Implementation Method 1
an upper plate 200 including a first upper plate 200A and a second upper plate 200B located on an upper side of the housing 100
Data Source
AI summary
Provided is a pretreatment container for discharging of a secondary battery used in the process of processing discharging of a secondary battery, in which a first upper plate and a second upper plate are rotatably disposed in a staggered manner on an upper side of a housing including a receiving space receiving a waste battery, thereby preventing the waste battery from floating during the discharging process.