Firing Containers With Protrusions For Battery Electrode Alignment
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Solution Overview
Problem
Existing firing containers for electrode active materials in secondary batteries face challenges in ensuring efficient and safe firing processes, leading to potential fires or explosions due to inadequate gas flow and misalignment issues during the stacking and firing of these materials.
Innovation Solution
The design of firing containers with protrusions on their outer sidewalls that space apart adjacent containers, allowing for guided alignment and efficient gas flow, includes a hexahedral shape with an open first surface and protrusions extending from the top to the bottom edge, facilitating uniform firing and preventing explosions by controlling gas inflow and outflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If firing containers are stacked closely to increase firing capacity, then productivity is improved, but misalignment and safety issues worsen
Solution Approach 1:
Protrusions are introduced as intermediary elements between adjacent firing containers. These protrusions extend from the outer sidewalls and physically prevent the containers from contacting each other, thereby maintaining precise alignment while allowing close stacking to maximize firing capacity.
2Productivity
If firing containers are stacked closely to increase firing capacity, then productivity is improved, but gas flow efficiency worsens
Solution Approach 1:
The protrusions act as intermediaries that create controlled spacing between containers. This spacing is sufficient to maintain effective gas flow paths for firing operations, while still allowing the containers to be stacked closely enough to achieve high firing capacity.
3Reliability
If protrusions are added to firing containers to improve alignment and gas flow, then reliability is improved, but device complexity worsens
Solution Approach 1:
The protrusions are segmented features attached to the outer sidewalls of the firing containers. By dividing the alignment function into discrete protrusion elements rather than modifying the entire container structure, the complexity is minimized while achieving the desired alignment and gas flow control.
4Manufacturing precision
If protrusions extend vertically along sidewalls to improve alignment, then alignment accuracy is improved, but manufacturing complexity worsens
Solution Approach 1:
The protrusions extend vertically along the sidewalls to provide continuous alignment guidance, but their dimensions and positioning are optimized to achieve sufficient alignment accuracy without excessive complexity in fabrication. The protrusions are designed with practical dimensions that balance manufacturing ease with functional effectiveness.
Data Source
AI summary
Firing containers for firing an electrode active material include one or more through openings, and protrusions protruding from an outer surface of sidewalls of each of the firing containers. The protrusions allow adjacent firing containers to be spaced apart from each other and guide the adjacent firing containers during alignment.