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As markets for high-reliability power systems, including industrial automation, ESS (Energy Storage Systems), and UPS (Uninterruptible Power Supplies), continue to expand, battery safety has become more than just a functional requirement. It is now a critical aspect of business risk management.

We introduce U&S Energy’s proprietary MCLB (Max Current Limited Battery) technology.

1. Critical Limitations of Conventional Battery Systems

• In large-capacity industrial battery systems, an internal short circuit can lead to a major fire incident rather than merely a decline in performance.

• Thermal Runaway Mechanism: An internal short circuit can cause a rapid increase in current, followed by a sharp rise in temperature due to Joule heating. This may damage the separator, leading to electrolyte vaporization and fire.

• Limitations: An external BMS (Battery Management System) operates by disconnecting the system after a fault is detected. As a result, it has inherent physical limitations in controlling internal heat generation before an incident occurs.

2. U&S Energy’s Proprietary Battery Safety Technology: MCLB

U&S Energy introduces a new standard for battery safety through its proprietary MCLB (Max Current Limited Battery) technology.

Core Value of MCLB Technology: Safe System Continuity

Conventional lithium-ion batteries generally require the system to shut down immediately when an internal short circuit occurs. MCLB technology takes a different approach.

• Fail-Safe Design: Even in the event of an internal short circuit, MCLB technology physically controls current flow to suppress heat generation.

• Minimizing System Downtime: By preventing thermal runaway and the associated risk of fire or explosion, the technology provides a foundation for maintaining safe system operation, even in emergency situations.

• Physical Safety Mechanism: An intelligent current collector is integrated directly into the battery structure, enabling an immediate response to hazardous conditions without the control delay associated with an external BMS.

Product Lineup and Applications

SCLB

Cell Type: Cylindrical

Key Solution: MCLB-based overcurrent protection

Key Applications: Large-scale industrial ESS, high-power mobility, and IoT systems

SPLB

Cell Type: Pouch

Key Solution: Integrated MCLB safety current collector

Key Applications: UPS, smart energy systems, and space-efficient ESS

3. Engineering Partnership and Technical Evaluation Guide

Alphacell International Co., Ltd. is more than a product distributor. We are a technical consulting partner that provides close support from the early stages of product development.

To support the success of your project, please share the following key specifications:

• System Specifications: Target voltage (V), total capacity (Ah/Wh), and maximum discharge rate (C-rate)

• Operating Environment: Ambient temperature conditions and mechanical design requirements, including thermal management structures

• Safety Standards: Required maximum allowable current and target certification standards, such as KC, UL, and IEC

• Development Stage: Areas requiring technical support, including sample production, performance evaluation, and process optimization

Reference: https://uns-energy.com/29

As an official distributor of U&S Energy, Alphacell International Co., Ltd. provides dedicated support for your innovative product development.

Please use the “Contact Us” section at the bottom of the page or send your inquiry to the email address below. We will review your request and get back to you.

E-mail: support@alphacell.co.kr

Thank you.

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