Li-S Energy Next Generation Batteries Pass Critical Safety Tests
May 01 2024 - 8:30AM
Business Wire
Australian battery technology company Li-S Energy Limited (ASX
Code: LIS) is pleased to announce its semi-solid-state lithium
sulfur (Li-S) battery cells have successfully passed a rigorous
series of nail penetration tests with the results exceeding both
civilian and US military performance standards.
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The nail penetration tests were performed on multi-layer 2.5Ah
lithium sulfur cells built on the company’s Phase 2
micro-production line.
A total of 28 cells were tested, with the cells exceeding the
requirements of the civilian UL2271 and UL2580 standards and the US
Military Performance Specifications MIL-PRF-32383/4X requested by
the company’s aerospace partners.
Nail penetration tests involve penetrating the battery cell with
a steel nail under precise conditions in a blast proof test
chamber. The purpose is to determine what happens to a battery cell
if it is damaged in an accident, or if there is an internal short
circuit.
In April 2023 the company announced that its GEN3
semi-solid-state cell chemistry achieved a gravimetric energy
density of over 400 Wh/kg, and a volumetric energy density of 540
Wh/l. This is nearly double the gravimetric energy density and
comparable for volumetric energy density to current lithium-ion
batteries.
Li-S Energy CEO Dr Lee Finniear said: “Amid growing public
concern about the safety of lithium-ion batteries and battery
fires, delivering a safe battery is vitally important. In our
target markets of drones, electric aircraft and defence, a battery
fire could be catastrophic, and these results show our partners
that Li-S Energy battery cells are safe when penetrated and
continue to work even after being damaged.”
Mark Xavier, V-TOL Aerospace CEO, an Li-S Energy technology
partner, said these results will have a major impact on the
civilian and military drone industry.
“The ability to safely and reliably operate and transport drone
technology is heavily reliant on battery stability. The Li-S Energy
GEN3 cell nail penetration test results indicate a far better risk
profile than current battery technology which I believe will save
lives and improve operational performance”.
Li-S Energy is finalising commissioning of a new $AUD10million
Phase 3 production facility that will give the company the capacity
to produce hundreds of cells per week.
In the coming months the Company intends to conduct a range of
additional testing to meet specific partner requirements and
finalise cell performance data sheets.
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Ben Ready ben@rgcmm.com.au +61 415 743 838
Lithium South Development (TSXV:LIS)
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