En 2021, la part des batteries lithium-fer-phosphate dans la capacit\u00e9 install\u00e9e a continu\u00e9 d'augmenter, d\u00e9passant celle du lithium ternaire pendant quatre mois cons\u00e9cutifs. Cela s'explique principalement par le passage massif des constructeurs automobiles \u00e0 l'utilisation de ces batteries, ce qui a entra\u00een\u00e9 une augmentation de la capacit\u00e9 install\u00e9e de ces batteries.<\/p>\n
Selon une analyse de march\u00e9, la part de la capacit\u00e9 install\u00e9e des batteries lithium-fer-phosphate a continu\u00e9 de progresser depuis le premier semestre 2020. \u00c0 partir de juin 2021, la capacit\u00e9 install\u00e9e des batteries lithium-fer-phosphate a d\u00e9pass\u00e9 celle des batteries au lithium ternaire pendant quatre mois cons\u00e9cutifs. En septembre 2021, la capacit\u00e9 install\u00e9e des batteries au lithium repr\u00e9sentait 60\u00a0511\u00a0TP3T, soit la part de march\u00e9 la plus \u00e9lev\u00e9e de ces derni\u00e8res ann\u00e9es.<\/p>\n
En septembre, les ventes de v\u00e9hicules \u00e9lectriques purs dans le top 10 ont repr\u00e9sent\u00e9 52,3% de v\u00e9hicules de tourisme \u00e9lectriques purs, dont 7 mod\u00e8les \u00e9taient \u00e9quip\u00e9s de batteries lithium fer phosphate dans une proportion correspondante.<\/p>\n
\u00c9tant donn\u00e9 que les \u00e9l\u00e9ments nickel et cobalt n\u00e9cessaires aux batteries au lithium ternaire sont des m\u00e9taux pr\u00e9cieux, les prix du nickel, du cobalt et du mangan\u00e8se ont continu\u00e9 d'augmenter depuis 2021, entra\u00eenant une augmentation des co\u00fbts des batteries au lithium ternaire, et les batteries au lithium fer phosphate ne contiennent pas de mat\u00e9riaux m\u00e9talliques pr\u00e9cieux, donc le co\u00fbt est relativement faible.<\/p>\n
Par rapport au quatri\u00e8me trimestre 2020, les prix du nickel, du cobalt et du mangan\u00e8se continueront d'augmenter en 2021, et le prix unitaire du mangan\u00e8se augmentera de 255,93%.<\/p>\n
Sur le march\u00e9 mondial, le prix des batteries lithium ternaires est de $102\/kWh, et celui des batteries lithium fer phosphate de $80\/kWh. La diff\u00e9rence entre les deux est de $22. Sur la base d'une capacit\u00e9 de batterie actuelle de 70 kWh pour les mod\u00e8les 100 % \u00e9lectriques, le co\u00fbt d'une batterie de m\u00eame capacit\u00e9 est d'environ 9\u00a0853 yuans. Cependant, l'\u00e9cart se creuse avec l'augmentation de la capacit\u00e9 de la batterie.<\/p>\n
Pour les cellules individuelles, les batteries lithium-fer-phosphate pr\u00e9sentent les avantages de la s\u00e9curit\u00e9 et d'une longue dur\u00e9e de vie. Cependant, en raison des performances limit\u00e9es du mat\u00e9riau de la cathode, il est difficile d'augmenter significativement la densit\u00e9 \u00e9nerg\u00e9tique des cellules. Gr\u00e2ce aux progr\u00e8s technologiques r\u00e9alis\u00e9s ces derni\u00e8res ann\u00e9es, l'\u00e9cart entre la densit\u00e9 \u00e9nerg\u00e9tique des batteries lithium-fer-phosphate et celle des batteries lithium-ternaires s'est r\u00e9duit, et l'autonomie en conditions de fonctionnement r\u00e9pond \u00e0 la demande du march\u00e9. Outre leur faible co\u00fbt, la demande du march\u00e9 ne cesse de cro\u00eetre.<\/p>","protected":false},"excerpt":{"rendered":"
In 2021, the proportion of installed capacity of lithium iron phosphate batteries continues to rise, and has surpassed ternary lithium 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