nail test

Solid State Passes Nail Test

Nuvvon solid polymer nail test temperature versus time graph

Author Dr. Simon Madgwick of Nuvvon Inc. Nuvvon Solid State Passes Nail Test with Graphite-NMC811 and Lithium-NMC9 Nuvvon has been building solid state cells for years and has long since exposed the things SSB players don’t tell you. There are some 60 so called Solid-State offerings out there but none with a completely dry cell that operates … Read more

Cell Internal Short Circuit Device

NREL and NASA cell internal short circuit device

When we look at the triggers of thermal runaway we have the nail test, overcharge and external heater. All of these are reasonably easy to define and apply. However, they don’t truly replicate the failure that they are meant to and that is a rogue metallic particle inside the cell. Cell Internal Short Circuits Although … Read more