Lithium-Ion Battery Module Assembly With Partitioned Core Housing
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Solution Overview
Problem
Current lithium-ion batteries have complex assembly processes, low assembly efficiency, and low energy density, which are not suitable for the increasing demand of new energy vehicles.
Innovation Solution
A lithium-ion battery module design that directly assembles winded, laminated, or pouch cores into a module, using positive and negative tabs for series/parallel connections, partition members for separation, and a housing with connecting parts for electrodes, allowing for simplified assembly and high energy density.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If each electric core is packaged and encapsulated separately before assembly, then the battery module structure is complete and functional, but the assembly process becomes complex and assembly efficiency decreases
Solution Approach 1:
The patent merges the packaging function into the module-level housing structure rather than using separate packaging for each core. The housing accommodates multiple cores directly, eliminating redundant individual packaging steps and simplifying the assembly process while maintaining structural integrity and protection.
2Reliability
If each electric core is packaged and encapsulated separately, then the battery module is functionally complete, but the energy density becomes low
Solution Approach 1:
By combining multiple cores into a single module housing without individual packaging, the patent reduces the volume occupied by packaging materials and increases the proportion of active battery components, thereby improving energy density while maintaining full functionality.
Solution Approach 2:
The housing is designed with partition members that segment the internal space to accommodate multiple cores while maximizing space utilization. This segmentation allows efficient arrangement of cores and minimizes empty space, contributing to higher energy density.
3Stability of the object's composition
If separate packaging and encapsulation is performed for each core, then the battery module structure is stable, but the assembly process becomes complex
Solution Approach 1:
The patent combines the protection and organization functions into a single modular housing design with integrated partition members. This approach maintains structural stability by providing dedicated spaces for each core while reducing assembly complexity through a unified structure rather than multiple separate packaging components.
Data Source
AI summary
The disclosure provides a lithium ion battery module which includes: a plurality of cores, being winded cores, laminated cores or pouch batteries, one end of each core being provided with a positive tab and a negative tab, the plurality of cores being connected in series and/or in parallel by using positive tabs and negative tabs through connecting sheets, the positive tabs and negative tabs forming a total positive electrode; a plurality of partition members, each partition member being used for accommodating a single core and physically separating respective cores, the partition members having a top opened structure; and a housing and a cover plate, configured to form an inner space after being assembled for accommodating partition members and cores, the cover plate being provided with a connecting part for a total module positive electrode and a connecting part for a total module negative electrode.