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為什么石墨烯電池沒有取代鋰離子電池?

2022-10-24

鋰離子電池

石墨烯電池具有高的強度,佳的韌性,重量輕和優(yōu)異的導(dǎo)電性。早在幾年前,華為就宣布了其快速充電技術(shù)之一,3000毫安時石墨烯電池充電,只需五分鐘即可溢出近一半的電量。可見,石墨烯電池不僅適用于新能源汽車,還可以在我們的手機上廣泛使用,但這還只是處于試驗階段,要想在市場上使用,還有很長的路要走。

石墨烯比傳統(tǒng)電池更具優(yōu)勢。在使用壽命方面,其使用壽命是鋰離子電池的兩倍,是氫化電池的四倍。就重量而言,它的重量大約是傳統(tǒng)電池的一半。在充電速率方面,石墨烯電池可以增加幾十倍甚至數(shù)百倍。

實際上,我們的市場并非沒有石墨烯電池產(chǎn)品,例如一些高端醫(yī)療設(shè)備。然而,這些石墨烯電池并不是我們所期望的純石墨烯電池。它們僅在鋰離子電池的基礎(chǔ)上摻雜了一些與石墨烯相關(guān)的技術(shù)。與傳統(tǒng)的鋰離子電池相比,它帶來的性能提升只有一點點。此外,石墨烯的成本非常高,其制造工藝也非常高。走到量產(chǎn)階段幾乎是一大步。如此高的成本,再加上性能提升的程度,一些廠商自然對石墨烯電池不感興趣。

目前,石墨烯電池還很不成熟,沒有表現(xiàn)出與鋰離子電池相關(guān)的重大優(yōu)勢,因此鋰離子電池被取代的時代可能不會來得那么早。


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