Dry Electrode Mixture Sheet Forming Apparatus Aggregate Crushing
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Solution Overview
Problem
The molding stability of compound sheets, particularly those made from dry electrode compounds, is compromised due to the formation of aggregates, leading to unstable supply and reduced homogeneity.
Innovation Solution
A compound sheet molding apparatus with a granulation unit that crushes aggregates of dry electrode compounds before supplying them to a molding unit, comprising a first and second molding roll that compresses the compound into a sheet shape, and optionally includes additional granulation units in series or parallel configurations to enhance stability and homogeneity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If dry electrode compound is used for compound sheet molding, then production efficiency and ease of operation are improved, but molding stability deteriorates due to aggregate formation
Solution Approach 1:
The granulation unit performs preliminary action by crushing aggregates of dry electrode compound before the material reaches the molding unit. This pre-processing step ensures that the electrode compound is in a suitable granulated state for stable molding, preventing quality issues before they occur during the molding process.
2Ease of operation
If aggregate of dry electrode compound is supplied to molding unit, then material supply is simplified, but molding stability and homogeneity deteriorate
Solution Approach 1:
The granulation unit acts as an intermediary between the material supply system and the molding unit. It receives aggregate material, processes it through crushing to achieve proper granulation, and then supplies the treated material to the molding unit, ensuring both operational simplicity and manufacturing precision.
3Device complexity
If aggregate of dry electrode compound is used, then device complexity is reduced, but compound sheet quality deteriorates due to unstable supply
Solution Approach 1:
The granulation unit performs preliminary action by crushing aggregates of dry electrode compound before the material reaches the molding unit. This pre-processing step ensures that the electrode compound is in a suitable granulated state for stable molding, preventing quality issues before they occur during the molding process.
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
The apparatus improves molding stability and reduces defects in compound sheets by ensuring a stable supply of dry electrode compounds, enhancing the homogeneity and quality of the final product.
Implementation Method 1
a granulation unit that crushes an aggregate of the dry electrode compound contained in the reservoir
Implementation Method 2
a molding unit that includes a first molding roll and a second molding roll adjacent to each other at a predetermined interval, the dry electrode compound crushed by the granulation unit being supplied to a gap between the first and second molding rolls, and the molding unit compressing the dry electrode compound into a sheet shape to mold a compound sheet
Data Source
Figure 1
Figure 2A~2B
AI summary
This mixture sheet forming apparatus 1 is provided with: a storage section 2 for a dry electrode mixture 8; a sizing section 4 which deagglomerates aggregates 8a of the dry electrode mixture 8 contained in the storage section 2; and a molding section 6 which has a first forming roll 16 and a second forming roll 18 that are adjacent to each other with a predetermined space therebetween and is configured such that the dry electrode mixture 8 that has undergone a deagglomeration treatment in the sizing section 4 is supplied to a gap formed between the two rolls and the dry electrode mixture 8 is compressed in a sheet-like shape, thereby forming a mixture sheet 10.