Safety
Derived from Valence’s research & development, lithium iron magnesium phosphate offers an enhanced safety factor versus common lithium chemistries such as lithium metal, lithium metal oxides and lithium mixed metal oxide batteries.
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With dozens of different chemistries under the rechargeable ‘lithium ion’ umbrella, Valence’s lithium phosphate chemistry offers one of the safest solutions currently available.
The Exponent testing report compared selected lithium-ion battery chemistries concluding 'it is unlikely that a single internal cell fault would initiate a propagating thermal runaway in a Valence phosphate battery pack. In addition, the absence of flaming or ejection of burning debris from Valence phosphate cells makes it unlikely that material adjacent to the cells could be ignited by a cell suffering from an internal fault.'
Valence’s cells have also passed the standard Underwriters Laboratories (UL) crush test and the Japan Storage Battery Association (JSBA) nail penetration tests. Lithium metal oxide cells that have been subjected to puncture by a metal object or crushed can cause a short-circuit in the cell which can generate heat and can cause a thermal runaway event. Consistent with standard battery industry practices, Valence battery modules also feature safety circuitry external of the cell and internal cell safety features to reduce the risk of other short circuiting causation factors.
Valence provides advanced energy storage solutions for automotive, marine and custom industrial lithium-ion applications where safety cannot be compromised.