Sterling PlanB Gains Certification for Preventing Thermal Runaway
Marine and industrial energy storage expert, Sterling PlanB (SPBES) has announced that it is now fully certified under new 2020 class rules for commercial vessel batteries set out by classification society DNV.
As an early adopter of the certification, SPBES becomes one of the first energy storage solutions (ESS) providers to adhere to the new testing standard, which substantially mitigates the risk of the spread of fire by eliminating the propagation of thermal runaway within a battery module.
Securing the type approval certification required extreme testing conditions. Across nine separate tests – conducted for Sterling PlanB and observed by DNV – all standards were met.
Brent Perry, CEO, Sterling PlanB, commented: “After many months of rigorous testing, we’re proud to have been certified under this new standard. While these standards from DNV are stringent, they are vital for the safety of commercial vessels using energy storage. Our focus at Sterling PlanB has always been on building the safest and most robust energy storage solution possible. We have never shied away from the fact that there are risks to installing high capacity lithium batteries and energy storage units on vessels, which must be treated with the level of scrutiny and risk management as any other risks as sea.”
These are the first significant change to testing standards from DNV since 2015, and follow a number of high-profile incidents involving thermal runaway. Previous requirements from DNV concluded testing upon first sign of initial cell failure, but before combustion. Revised testing rules demonstrate the clear value of cell level liquid cooling to prevent adjacent cells from contributing to a fire in a battery.
Sterling PlanB received certification including thermal runaway testing to IEC 62619:2017 in conjunction with DNV certified testing facility, LabTest Certification following testing of its 75ah, 85ah, and 100ah NMC cells on 14th - 18th December 2020.
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