【正文】 (OH)2+2e負(fù)極反應(yīng)：TiO 2+xH2O+xe = TiO2Had+xOH結(jié)論（1）電化學(xué)陽(yáng)極氧化法在常溫常壓下可以獲得管徑比較均勻、高度有序、相對(duì)長(zhǎng)徑比大的TiO 2納米管。（2） 在無(wú)機(jī)電解液中陽(yáng)極氧化制得的 TiO2 納米管納米管管徑在 70100nm 左右，長(zhǎng)度在 300nm 以內(nèi)；在有機(jī)電解液中制備的 TiO2 納米管管徑大約 180nm 左右，管長(zhǎng)達(dá)到 1 m 左右。由有機(jī)電解液制備的納米管陣列高度有序，管徑分布也較為均勻但管?口處有顆粒狀雜質(zhì)，管的表面有一層雜質(zhì)覆蓋物，此層覆蓋物為 TiO2。（3）脈沖電沉積 PbO2 得到的鍍層均勻、厚度一致，并且晶型體積小、結(jié)構(gòu)規(guī)整所以鍍層的孔隙率及內(nèi)應(yīng)力較低、附著力高、成分更穩(wěn)定。（4）通過(guò)循環(huán)伏安曲線和充放電曲線可知TiO 2納米管具有儲(chǔ)氫能力，但儲(chǔ)氫容量不大，% 。（5）研究在TiO 2納米管表面脈沖電沉積一層PbO 2，并考察其儲(chǔ)氫性能。結(jié)果表明通過(guò)沉積一層PbO %，改善了TiO 2納米管的儲(chǔ)氫性能。參考文獻(xiàn)[1] Grochala W, Edwards P P, Hydrides of the chemical elements for the storage and production of hydrogen[J]. , 2022, 104(3): 12831315.[2] Selvam P, Viswanathan B, Swamy C S, et a1. Magnesiumand Magnesium Alloy Hydrides[J]. 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