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The host-guest CuMo-polyoxometalate-based metal organic framework (POMOF) with copious electrochemically active sites and strong electrochemical redox activities has been effectively coupled with POM-incorporated CoNi-LDH to develop a nanocomposite (NENU-5@CoNi-LDH) by simple solvothermal method. The designed electrode shows a high specific capacity of 333.61 mAh·g^–1 at 1 A·g^–1. More details are discussed in the article by Zhang et al. on page 75—82.