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L'Idaho National Laboratory valide 1 000 cycles de charge-décharge des piles lithium-ion à base d'anode de silicium de Zenlabs
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News provided by

Zenlabs Energy

Feb 11, 2021, 09:04 ET

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FREMONT, Californie, 11 février 2021 /PRNewswire/ -- Zenlabs Energy, une entreprise spécialisée dans les piles au lithium-ion, a annoncé que l'Idaho National Laboratory (INL) a testé avec succès plus de 1 000 cycles de charge-décharge de ses piles à poche d'anode de silicium haute énergie. Zenlabs est le bénéficiaire d'un contrat de développement de 4,8 millions de dollars, avec partage des coûts à 50 %, de l'United States Advanced Battery Consortium LLC (USABC) pour développer des batteries de véhicules électriques (VE) à faible coût et à charge rapide. Dans le cadre du programme de l'USABC, Zenlabs a livré à plusieurs laboratoires nationaux, pour évaluation, ses piles à poche d'énergie spécifique de 315 Wh/kg et d'une capacité de 12 Ah. Les piles testées par l'INL ont effectué 1 000 cycles d'essais de pression dynamique (DST) suivant le protocole de charge de trois heures de l'USABC et plus de 900 cycles de charge rapide DST en utilisant un taux de 4C ou un protocole de charge de 15 minutes sous une profondeur de décharge (DOD) de 100 %. Les piles capable de haute performance peuvent être chargées à 80 % de leur capacité en 10 minutes et à 90 % de leur capacité en 15 minutes. Les piles à anode de silicium Zenlabs permettent à une voiture d'atteindre une autonomie de 300 miles (482 km), où 240 miles (386 km) peuvent être chargés en 10 minutes tout en parcourant potentiellement jusqu'à 300 000 miles (482 803 km).

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DST cycling data on Zenlabs Electric Vehicle cells (12 Ah pouch cells, 315 Wh/kg) showing over 1,000 cycles at C/3 charge rate, and 896 (100%) fast charge (15 minute) cycles.
DST cycling data on Zenlabs Electric Vehicle cells (12 Ah pouch cells, 315 Wh/kg) showing over 1,000 cycles at C/3 charge rate, and 896 (100%) fast charge (15 minute) cycles.

Au cours des 30 dernières années, l'industrie du lithium-ion a utilisé le graphite comme matériau d'anode privilégié. Les anodes en silicium sont considérées comme la technologie de prochaine génération en raison de leur grande capacité de stockage, mais les difficultés liées à leur faible durée de vie et à leur gonflement ont retardé leur introduction. « Zenlabs a résolu les problèmes de durabilité associés aux anodes de silicium de haute capacité et a démontré 1 000 cycles de charge-décharge, montrant que la technologie est prête à être commercialisée », déclare le fondateur et directeur technique, le Dr Herman Lopez.

À propos de Zenlabs Energy Inc.

Zenlabs Energy, dont le siège est à Fremont, en Californie, développe des piles lithium-ion à haute énergie, à charge rapide et à faible coût pour les véhicules électriques et aériens. L'anode à base de silicium, propriété de Zenlabs, peut être associée à une cathode riche en nickel pour obtenir des piles lithium-ion à chargement rapide de 400 Wh/Kg. Pour en savoir plus sur la technologie de Zenlabs Energy et pour obtenir une licence, visitez le site www.zenlabsinc.com.

À propos de l'USCAR

L'USABC est une filiale de l'United States Council for Automotive Research LLC (USCAR).

Fondée en 1992, l'USCAR est la société de technologie automobile qui collabore avec FCA US LLC, Ford Motor Company et General Motors. L'objectif de l'USCAR est de renforcer la base technologique de l'industrie automobile nationale par le biais de la recherche et du développement coopératifs. Pour plus d'informations, visitez le site www.uscar.org.

Photo : https://mma.prnewswire.com/media/1436272/INL_cycling_122220.jpg

Related Links

https://www.zenlabsinc.com

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