本发明公开了一种GO‑NiCoS‑NiMoLDH复合材料，由氧化石墨烯GO、片状NiCo2S4和纳米花状NiMoLDH构成；其中，GO为基体材料，微观形貌为纳米片结构，作用是导电基底利于电子的超高速输运；NiCo2S4的微观结构为纳米片结构，负载于GO的表面，作用是提供额外赝电容；NiMoLDH的微观结构为纳米片结构，嵌于NiCo2S4纳米片结构的表面，作用是增大NiCo2S4的比表面积；其制备方法为两步水热法，步骤1，GO‑NiCo2S4的制备；步骤2，GO‑NiCoS‑NiMoLDH的制备。作为超级电容器电极材料的应用，在0‑0.5 V范围内充放电，在放电电流密度为1 A g‑1时，比电容为1300‑1400 F g‑1；在放电电流密度为20A g‑1时，在3000圈循环后的循环稳定性为100%。具有以下优点：形成由纳米片组成纳米花的分层结构避免纳米片的聚集；NiCo2S4和NiMoLDH之间还存在协同作用。
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