Leclanché advances security of its Li-ion batteries with no compromise to cell efficiency; new electrolyte additive

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Leclanché experiences a big breakthrough within the security of its lithium-ion batteries with out compromising cell efficiency. By including a particular fire-retardant additive to its electrolyte method composition, Leclanché has lowered the chance of a thermal occasion by near 80%.

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The achievement has been validated by Intertek Germany, a third-party testing lab which performed a collection of trade customary nail penetration exams on Leclanché’s 60Ah cell. Regardless of the check cells being punctured with the ensuing inner brief circuit, the cells exhibited a far decrease threat of fireplace than the identical cells with out the flame retardant components.

Non-flammable lithium-ion cells have main implications to customers within the railroad, truck and bus markets, that are accelerating their funding in hybrid and all-electric powered fleets and who’re involved in regards to the threat of fireplace with passengers aboard. Lithium-ion battery remembers are an costly downside, together with disruption they will trigger to operations.

Whereas your entire battery trade continues to put appreciable R&D sources into the event of solid-state batteries, there’s a crucial want to boost the security of in the present day’s excessive power density lithium-ion cell expertise. Most efforts, till now, adversely affect the efficiency or longevity of cells.

Leclanché has been capable of develop a high-performance and high-energy-density lithium-ion cell exhibiting excessive security traits with none damaging affect on efficiency or longevity. As technological developments proceed to be developed, this can be a essential enchancment in state-of-the-art cell expertise, that doesn’t require breakthrough expertise that would nonetheless be a number of years away from business availability.

—Pierre Blanc, chief expertise officer, Leclanché

Leclanché battery cells are manufactured by Leclanché in its manufacturing facility positioned in Willstätt, Germany. The cells are made utilizing the corporate’s proprietary manufacturing course of. Electrodes are manufactured in a water-based course of that has been validated in business manufacturing during the last 10 years—quite than through the use of natural solvents similar to NMP—leading to a considerably diminished environmental affect and a decrease carbon footprint.

Leclanché’s electrodes produced with the water-based manufacturing steps present a excessive stability in the direction of the flame retardant components contained within the new electrolyte, ensuing within the upkeep of cell efficiency.

The corporate’s new non-flammable cells will probably be obtainable for manufacturing starting within the first quarter of 2023.

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