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5V高電壓鋰離子電池陰極材料研究進(jìn)展

摘要：鋰離子二次電池是在當(dāng)今社會(huì)有著非常重要應(yīng)用的能量?jī)?chǔ)存-轉(zhuǎn)換設(shè)備。隨著電池材料性能的不斷改進(jìn)，鋰電池也越來(lái)越可能取代石油等傳統(tǒng)燃料而為汽車等交通工具提供動(dòng)力。但是，要最終達(dá)到這一應(yīng)用目標(biāo)，要求電池材料有更高的能量密度，這也成為最近幾年各國(guó)爭(zhēng)先突破的研究熱點(diǎn)。本文綜述了5V高電壓高能量密度鋰離子二次電池陰極材料的最新研究進(jìn)展，闡述了發(fā)展高電壓高能量密度鋰離子二次電池材料所面臨的重要問(wèn)題和挑戰(zhàn)，并系統(tǒng)地總結(jié)了幾種最有潛力的5V高電壓陰極材料的研究進(jìn)展。 敘詞：鋰離子電池 高電壓 高能量密度 陰極材料 Abstract： Li-ion batteries (LIB), reversible energy storage/conversion systems, have been successfully applied in many areas. Nowadays, LIB is increasingly being considered as an alternative to conventional fossil fuel to power the transportation vehicles. Whereas, the high energy density required by the electric vehicles is a big challenge, to overcome which more and more interests are attracted worldwide. In this paper, we reviewed the progress in the development of 5V-class high-voltage and high-energy cathode materials for LIB. The challenges and problems to develop high-voltage cathode materials were explained. Progress of several promising 5V cathode materials were also systematically summarized. Keyword：Li ion batteries (LIB), High-voltage, High-energy density, Cathode materials

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