Soft-Package Battery Formation and Grading Apparatus
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Solution Overview
Problem
Current formation and capacity grading procedures for soft-package power batteries face challenges such as inadaptability to batteries of various sizes, single-sided and double-sided lugs, and low batch-production efficiency.
Innovation Solution
A discharge energy recovery and formation capacity grading apparatus that includes a condition-variable charge and discharge power box, a battery formation capacity-grading clamping movement mechanism, a battery tray, a movement mechanism control assembly, a safety protection sensor assembly, and a battery formation capacity-grading control mechanism, allowing for simultaneous production of batteries of different sizes and types with enhanced safety and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If current formation and capacity grading procedures are used, then the process is simple, but the apparatus cannot adapt to batteries of various sizes and configurations
Solution Approach 1:
The apparatus integrates formation and capacity grading functions into a single multi-functional system. The charge and discharge power box can perform both formation (activation) and capacity grading operations, while the clamping movement mechanism accommodates different battery sizes and lug configurations through adjustable clamping positions and movements, eliminating the need for separate dedicated equipment for each function
Solution Approach 2:
The clamping movement mechanism incorporates movable components that can dynamically adjust to different battery dimensions and lug positions. The mechanism includes movable clamps and adjustable positioning systems that adapt their configuration based on the specific battery being processed, enabling the apparatus to handle various battery types without requiring complete reconfiguration
2Productivity
If current formation and capacity grading procedures are used, then the equipment is simple, but the batch-production efficiency is low
Solution Approach 1:
The apparatus merges formation and capacity grading processes into a single integrated system that can perform both operations sequentially or simultaneously on multiple batteries. The power box and control mechanism coordinate to execute formation cycles followed immediately by capacity grading tests without requiring battery removal or apparatus reconfiguration, thereby increasing batch production throughput
Solution Approach 2:
The system enables continuous operation by eliminating idle time between formation and capacity grading processes. The automated control mechanism ensures that batteries immediately transition from formation to grading without interruption, and the apparatus can continuously process multiple batteries through both stages, maintaining constant productive action
3Reliability
If separate formation and capacity grading equipment is used, then each function is specialized, but the overall system complexity increases
Solution Approach 1:
The charge and discharge power box is designed as a universal unit that performs both formation and capacity grading functions with high reliability. The system includes programmable control that ensures each function is executed with appropriate parameters and safety protocols, maintaining functional reliability while consolidating multiple specialized functions into one integrated apparatus
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 simplifies the production process, improves efficiency, and enables discharge energy recovery, adapting to various battery sizes and configurations while ensuring safety and maintainingability, thus enhancing the automatic production efficiency and reducing energy consumption.
Implementation Method 1
a power inverter with bidirectional flow and conversion capability between AC and DC... when the battery is discharged, the circuitry of the drive power board feeds the current DC/AC to the power inverter, thereby creating a function of energy recovery from the discharge circuitry
Data Source
AI summary
A discharge energy recovery and formation capacity grading apparatus for a soft-package power battery comprises a rack, a condition-variable charge and discharge power box arranged on the rack, a battery formation capacity-grading clamping movement mechanism for clamping positive and negative electrode lugs of the soft-package power battery, a battery tray for, a movement mechanism control assembly for controlling the movement of the battery formation and capacity grading clamping movement mechanism, a safety protection sensor assembly, and a battery formation capacity-grading control mechanism. The charge and discharge power box, the battery formation capacity-grading clamping movement mechanism, the battery tray, the movement mechanism control assembly, and the safety protection sensor assembly are all in signal connection with the battery formation capacity-grading control mechanism. The power transmission end of the charge and discharge power box is electrically connected with the power transmission end of the battery formation capacity-grading clamping movement mechanism.