Process for preparation of secondary battery module
First Claim
1. A process for preparation of a secondary battery module, comprising the steps of:
- forming coupling through-holes at plate-shaped electrode terminals of a plurality of unit cells;
stacking the unit cells one on another; and
inserting coupling members through the coupling through-holes to couple the unit cells with each other, wherein each of the coupling through-holes is located within a critical imaginary area defined by a width corresponding to 80% of the width of the corresponding electrode terminal and a height corresponding to 80% of the height of the corresponding electrode terminal, and the separation distance between the outermost boundary line of each of the through-holes and at least one of the outer edges of each of the electrode terminals is 3 nm or more.
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Abstract
Disclosed herein is a process for preparation of a secondary battery module. The process includes forming coupling through-holes having specific shapes at plate-shaped electrode terminals of a plurality of unit cells, stacking the unit cells one on another, and inserting coupling members through the coupling through-holes to couple the unit cells with each other. Consequently, the secure coupling and the electrical connection between the unit cells is accomplished without using additional members, such as cartridges, and therefore, a compact battery module having high coupling force is prepared.
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Citations
12 Claims
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1. A process for preparation of a secondary battery module, comprising the steps of:
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forming coupling through-holes at plate-shaped electrode terminals of a plurality of unit cells;
stacking the unit cells one on another; and
inserting coupling members through the coupling through-holes to couple the unit cells with each other, wherein each of the coupling through-holes is located within a critical imaginary area defined by a width corresponding to 80% of the width of the corresponding electrode terminal and a height corresponding to 80% of the height of the corresponding electrode terminal, and the separation distance between the outermost boundary line of each of the through-holes and at least one of the outer edges of each of the electrode terminals is 3 nm or more. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification