Currently, ternary CuCo2S4 sulfides are intensively investigated as electrode materials for electrochemical capacitors due to their low cost, high conductivity, and synergistic effect. The research of CuCo2S4 materials for energy storage has gradually grown from 2016. The supercapacitive performances of CuCo2S4 electrodes for electrochemical capacitors are briefly reviewed in this work. The structure, morphology, and particle size of CuCo2S4 are related to the synthesis conditions and electrochemical performances. The thin films of CuCo2S4 nanostructures deposited on conductive substrates and their composites both show better properties than single CuCo2S4. CuCo2S4 and its composites reveal large potential for asymmetric capacitors, delivering high energy densities. However, there is still much new space remaining for future research. The possible development directions, challenges, and opportunities for CuCo2S4 materials are also discussed.
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机译：目前，由于三价CuCo 2 S 4硫化物的低成本，高电导率和协同作用，因此被广泛用作电化学电容器的电极材料。自2016年以来，用于储能的CuCo2S4材料的研究逐渐发展。本文简要回顾了用于电化学电容器的CuCo2S4电极的超电容性能。 CuCo2S4的结构，形态和粒径与合成条件和电化学性能有关。沉积在导电基底上的CuCo2S4纳米结构薄膜及其复合材料均比单一的CuCo2S4具有更好的性能。 CuCo2S4及其复合材料显示出非对称电容器的巨大潜力，可提供高能量密度。但是，仍然有很多新的空间可供将来研究。还讨论了CuCo2S4材料的可能的发展方向，挑战和机遇。
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