Copper nitrate hydrate (Cu(NO₃)₂·2.5H₂O) exhibits superior high lithium storage capacity (2285 mAh g⁻¹) as anode material for lithium-ion batteries. The structural transformation and lithium storage mechanism of Cu(NO₃)₂·2.5H₂O are thoroughly studied by various advanced analytical techniques. It is found that the lithium storage process of Cu(NO₃)₂·2.5H₂O is associated with a quasi-reversible electrochemical conversion reaction. During the discharge process, the electrochemical reaction of Cu(NO₃)₂·2.5H₂O with lithium results in the formation of Cu, LiNO₃, Li₃N, Li₂O and H₂O. In the reverse charge process, Cu(NO₃)₂ can be generated by a conversion reaction. As a result, Cu(NO₃)₂·2.5H₂O shows the reversible charge capacities of 1632.1 mAh g⁻¹ in 0.0–3.4 V and 689.1 mAh g⁻¹ in 1.0–3.4 V, respectively.

水合硝酸铜（Cu（NO ₃）₂ ·2.5H ₂ O ）作为锂离子电池的负极材料具有优异的高锂存储容量（2285 mAh g ^-1）。通过各种先进的分析技术，对Cu（NO ₃）₂ ·2.5H ₂ O的结构转变和储锂机理进行了深入研究。发现Cu（NO ₃）₂ ·2.5H ₂ O的锂存储过程与准可逆的电化学转化反应有关。在放电过程中，Cu（NO ₃）₂ ·2.5H ₂的电化学反应与锂导致的Cu，利诺形成ø ₃，李₃ N，李₂氧，氢₂ O.在反向充电过程中，铜（NO ₃）₂可以通过转化反应生成的。其结果是，铜（NO ₃）₂ ·2.5H ₂ ö节目1632.1毫安克可逆的充电容量^-1在0.0-3.4 V和689.1毫安克^-1分别在1.0-3.4伏。