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Tohoku Murata Manufacturing Advances Fire Safety

Auto News - Published on Mon, 01 Jul 2019

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UL, a global safety science organization headquartered in Northbrook, Illinois, issued the first test report in Japan in accordance with the test methods specified in UL 9540A, Test Method for Evaluating Thermal Runaway Fire Propagation in Battery Energy Storage Systems to Tohoku Murata Manufacturing Co Ltd, a subsidiary of Murata Manufacturing Co Ltd.

UL 9540A was developed to address safety concerns identified by the U.S. fire and life safety codes and standards community. UL 9540A was published in November 2017 in response to their concerns, as a test methodology to enable industry to advance the effective use of safety-conscious battery energy storage system design.

UL 9540A stipulates four incremental levels of testing: (1) cell level test, (2) module level test, (3) unit level test and (4) installation level test. During each testing of battery cell, module and unit, gases emitted during thermal runaway are analyzed and flammability and explosion hazards are evaluated. Fire propagation between cells within a module and between modules within an energy storage system is evaluated together with re-ignition hazards of an energy storage system. Installation level testing is offered to enable evaluation of the effectiveness of fire detection and suppression equipment if testing up to unit level demonstrates the need for additional safety equipment beyond the ESS product.

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Posted By : Mohan Sharma on Mon, 01 Jul 2019
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