Against the backdrop of global energy transition, the integration efficiency, lightweight performance, and safety of energy storage batteries have become core competitiveness. EMB innovatively applies the "Blister + PFC (Flexible Circuit Board)" technology to create a high-performance, high-safety, and cost-effective energy storage solution, breaking through the bottlenecks of traditional connecting sheets and adapting to mainstream scenarios such as residential and industrial-commercial energy storage.
I. Core Technology: Innovation of Blister + PFC Integration
Replacing the traditional solution with the combination of "blister insulating structure + PFC flexible circuit", it integrates into an integrated Cell Connection System (CCS) through thermal riveting technology, realizing cell series-parallel connection, signal collection and other functions, and comprehensively upgrading module performance.
1. Technical Principle
Flame-retardant PC film is formed into an insulating support via vacuum blister, and then combined with PFC, aluminum busbar, etc., through thermal riveting. This integrated unit has both conductivity and voltage/temperature monitoring functions, realizing the synergy of "connection-monitoring-protection".
2. Core Advantages
Compared with traditional solutions, it has significant technical advantages:
Lightweight & High Density: The Blister + PFC combination reduces module weight by 20%-30% and increases battery pack space utilization by over 15%, directly improving energy storage density.
Safe & Reliable: PFC integrated circuits avoid heating caused by poor contact; flame-retardant blister isolates cells, and supporting current-limiting design forms multiple protections.
Cost Reduction & Efficiency Improvement: Adaptable to fully automated production, reducing manual links by 60%; blister mold cost is as low as 1/5 of injection mold, and the overall cost is reduced by 10%-20%.
II. Targeted Application: Focusing on Mainstream Energy Storage Scenarios
With the characteristics of "lightweight, compact, and safe", the solution has been piloted and recognized in residential and industrial-commercial energy storage fields.
1. Residential Energy Storage
The lightweight design is suitable for small spaces such as balconies, facilitating installation and maintenance. Stable performance ensures power supply during peak hours, and multiple protections eliminate safety hazards, supporting household energy independence.
2. Industrial-Commercial Energy Storage
Automated production adapts to mass manufacturing. High space utilization reduces the floor area cost of energy storage cabinets. The stable system ensures long-term operation in scenarios such as peak-valley arbitrage and emergency power supply, improving enterprise energy efficiency.
3. Expanded Scenarios
It extends to portable and outdoor energy storage, providing lightweight and safe energy storage equipment for camping and emergency rescue, expanding application boundaries.
III. Technical Guarantee: Overcoming Application Challenges Through Full-Link R&D
A full-link R&D system is established to address technical challenges and ensure the mature implementation of the solution:
Structural Enhancement: Optimize blister design and use reinforced materials to increase structural strength by 50%, meeting vibration and impact requirements.
Circuit Guarantee: Full-process inspection of PFC plus intelligent current limiting ensures circuit stability and avoids overcurrent risks.
Mass Production Precision: High-precision equipment controls blister error within ±0.1mm, and automated assembly ensures mass production consistency.
IV. Solution Vision
EMB aims to "promote energy storage technology iteration". This solution accurately responds to the industry's core needs. In the future, EMB will continue to optimize performance, expand application scenarios, and contribute to the global energy transition.
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