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題 名 | Electrochemical Characteristics of Cobalt-Based Spinel Oxides Ⅱ: Electrochemical Properties of Ni[fec5]Cu戓Co[feaf]O[feb2]after Cathodic Polarization for Energy Storage Systems=鈷系尖晶石氧化物之電化學特性Ⅱ:Ni[fec5]Cu戓Co[feaf]O[feb2]在陰極極化後於能源儲存系統之電化學特性 |
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作 者 | 胡啟章; 陳俊安; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 30:6 1999.11[民88.11] |
頁 次 | 頁463-473 |
分類號 | 460.02 |
關鍵詞 | 鈷系尖晶石氧化物; 電化學特性; 陰極極化; 能源儲存系統; Ni[fec5]Cu戓Co[feaf]O[feb2]; Cathodic polarization; Vltammetric charge; Charge-discharge capacities; Textural properties; |
語 文 | 英文(English) |
中文摘要 | 利用循環伏安法與計時電位測定法,研究熱分解製備之鈷系尖晶石氧化物披覆電 極經氫氣產生後,其伏安行為與充放電之應答。由循環伏安與計時電位測定結果發現,伏安 電荷與充放電之電荷容量會因經過氫氣產生之陰極極化而中幅增加;因此,大部份之氧化物 可應用於電化學電容器或水溶液電池之電極材料。此一系列氧化物的電化學特性與氫氣產生 之陰極極化處理之間有重大相關性,極可能是受氣化物之銅離子的部分溶解與鎳離子的部分 還原之影響的結果。此外,亦對陰極極化後之氧化物的結構特性 (包括表面型態,氧化狀態 與結晶性 ) 進行研究。 |
英文摘要 | The voltammetric and charging/discharging responses of Ni��-�X Cu�X CO �� O �� -coated titanium electrodes (prepared by thermal decomposition) post cathodic polarization of extensive hydrogen evolution were investigated using cyclic voltammetry and chronopotentiometry. From chronopotentiometric and voltammetric results, their voltammetric charges and charge-discharge capacities were increased by this catodic polarization. In addition, most of these of these oxides were considered as potential materials for the applications of either electrochemical capacitors or aqueous batteries. The electrochemical characteristics of Ni �� - �X Cu �X CO �� O �� were changed by the cathodic polarization, probably due to the partial dissolution of Cu species and the partial reduction of Ni species within the oxide martrix. The textural properties (including morphologies, oxidation states, and crystallite) of these oxides post cathodic polarization were also studied. |
本系統中英文摘要資訊取自各篇刊載內容。