在本研究中，我們先以化學浴沉積法在碳纖維布基板上生長氧化鋅奈米線，繼之利用脈衝電沉積法將鎳錳氫氧化物沉積在氧化鋅奈米線上，製作出鎳錳氫氧化物/氧化鋅奈米線/碳纖維複合電極。實驗首先對脈衝電沉積氫氧化鎳的參數做一系列的探討，在此基礎上，再加入錳元素，藉由調整鎳錳鍍液比例而得到兼具良好比電容值以及維持率之超級電容器。由最佳參數所沉積出的複合電極，在5 mV/s的掃描速率下具有1039 F/g的比電容值，但在經過在20 mV/s掃描3000圈以後，只能保有約68%的比電容維持率。此最佳化複合電極經過200 ºC、2小時的退火後，由於部分鎳錳氫氧化物轉生成鎳錳氧化物，其比電容維持率提高到86%。

ZnO nanowires (NWs) have been considered as a promising supporting material for hybrid supercapacitors due to its excellent mechanical property, good electronic conductivity and easy-fabrication. In this study, a high-performance supercapacitor based on Ni-Mn hydroxide modified ZnO NWs on carbon fiber (CF) was developed. The well-aligned ZnO NWs were synthesized on carbon fiber by chemical bath deposition, followed by pulse pulse electrodeposition of Ni-Mn hydroxide on the surface of ZnO NWs. The effects of the electrodeposition conditions as well as the Ni/Mn bath ratio were systematically investigated. The Ni-Mn hydroxide/ZnO NWs/CF composite electrode fabricated under the optimal deposition conditions has exhibited a large specific capacitance of 1039 F/g at 5 mV/s, but only ~68% retention after 3000 cycles. However, upon annealing at 200 ºC for 2 h, the retention of the electrode was largely enhanced up to 86%, probably due to the formation of Ni-Mn oxide.

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