The NiCo hydroxides nanosheets (NiCo–OH) decorated Cu(OH)₂ nanotubes structure was fabricated via a facile solution-immersion and later solvothermal method. The internal 1D Cu(OH)₂ nanotubes directly grown on current collector without binder using enhance conductivity, accelerating electron transport. The outer 2D NiCo–OH nanosheets provide large surface areas and considerable active sites, promoting the electrode/electrolyte contact. Beneficial from significant electrochemical synergy in conductivity and open structure, the Cu(OH)₂@NiCo–OH exhibits an impressive capacity of 1.12 mAh cm⁻² at 3 ​mA ​cm⁻², and remarkable rate capability (71% capacity retention at 30 ​mA ​cm⁻²). When assembled Ni–Zn battery with Cu(OH)₂@NiCo–OH as cathode and Zn plate as anode, the Cu(OH)₂@NiCo–OH//Zn battery displays high energy density and power density (1.53 ​mWh cm⁻², 31.6 ​mW ​cm⁻²). Therefore, the Cu(OH)₂@NiCo–OH//Zn battery presents a tremendous charm in new-type energy-storage devices.

NiCo氢氧化物纳米片（NiCo-OH）装饰的Cu（OH）₂纳米管结构是通过方便的溶液浸没和随后的溶剂热法制备的。内部一维Cu（OH）₂纳米管可在不使用粘合剂的情况下直接在集电器上生长，从而提高电导率，加速电子传输。外部2D NiCo-OH纳米片提供较大的表面积和大量的活性位，从而促进电极/电解质的接触。Cu（OH）₂ @ NiCo-OH在电导率和开放结构方面具有明显的电化学协同作用，在3 mA cm ^-2时表现出1.12 mAh cm ^-2的令人印象深刻的容量，并且具有显着的倍率能力（71％的容量保持率30 cm厘米⁻²）。当组装以Cu（OH）₂ @ NiCo-OH为阴极和Zn板为阳极的Ni-Zn电池时，Cu（OH）₂ @ NiCo-OH // Zn电池显示出高能量密度和功率密度（1.53 mWh cm ^-2，31.6毫瓦厘米^-2）。因此，Cu（OH）₂ @ NiCo-OH // Zn电池在新型储能装置中具有巨大的魅力。