Flammability of Cartoned Lithium Ion Batteries by R. Thomas Long Jr., Jason A. Sutula, Michael J. Kahn

By R. Thomas Long Jr., Jason A. Sutula, Michael J. Kahn

This SpringerBrief summarizes a full-scale, diminished commodity hearth checking out comparability of cartoned Lithium ion batteries and FM international typical commodities in a rack garage configuration, as suggested through FM international. exams evaluation the flammability features of the fabrics and the effectiveness of ceiling point merely sprinkler security. The trying out tools, mentioned intensive, are scaled down from normal commodity class trying out as a result inordinate bills of Li-ion batteries. Small layout Li-ion battery commodities signify either commercially to be had battery codecs and Li-ion battery containing units. the chosen Li-ion battery varieties are person 18650 structure cylindrical cells, strength instrument packs created from 18650 layout cells and polymer cells. the chosen comparability commodities are the FM international typical category 2 and Cartoned Unexpanded Plastic (CUP). the implications supply perception into the mixed results of other garage heights, ceiling top, defense process layout, battery density, country of cost and battery sort. Flammability of Cartoned Lithium Ion Batteries is meant for practitioners as a device for reading commodity checking out tools and supplying info approximately power risks. Researchers operating in a similar box also will locate the booklet valuable.

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This array size represents storage up to 15 ft high. The ceiling heights were 30 and 25 ft above the floor for Test 14 and Test 15, respectively. Sprinkler protection for each test was provided by FM approved pendent-type sprinklers with a 165°F temperature rating. 2 gpm/psi‘ and were installed 18 inches below the ceiling. A nominal operating pressure of 25 psig provided a discharge of 125 gpm per sprinkler. 25 gpm/ft2. For Test 15, the sprinklers had a k-factor of 14 gpm/psi‘ and were installed 14 inches below the ceiling.

25 gpm/ft2. For Test 15, the sprinklers had a k-factor of 14 gpm/psi‘ and were installed 14 inches below the ceiling. A nominal operating pressure of 75 psig provided a discharge of 120 gpm per sprinkler. 2 gpm/ft2. Ignition was achieved with two FM Global standard half igniters. The overall test configuration is shown in Fig. 1. A single-row target array contained two pallet loads of the Class 2 commodity across a 4-foot aisle to the west of the main array to improve viewing angles of the ignition area.

Long Jr. 1007/978-1-4939-1077-9_5, Ó Fire Protection Research Foundation 2014 21 22 5 Conclusions Water based fire protection recommendations for small format bulk packaged Li-ion batteries in rack storage configurations could not be derived directly from the results of the reduced commodity full-scale Li-ion battery tests or through the full-scale CUP commodity ceiling only sprinkler tests as conducted by FM Global. Based on the results of the reduced commodity and full-scale tests conducted by FM Global, further engineering analysis and guidance is necessary to support specific sprinkler protection criteria for bulk packaged cartoned Li-ion batteries in rack storage configurations.

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