采用简单的化学沉淀法,以氯化钴和氨水为原料,制备了电活性α-Co(OH)2；用X射线衍射(XRD)仪和红外光谱(FT-IR)仪对其组成进行了分析,用热分析仪对其热稳定性进行了分析,用循环伏安和恒电流充放电等方法对其电化学性能进行了研究.结果表明:所制备的α-Co(OH)2纯度较高,热稳定性较差,但具有良好的电化学性能,单电极比电容为543.8 F·g1,经1000次循环充放电后比电容为初始容量的72％.
参考文献
| [1] | 张治安,邓梅根,胡永达,杨邦朝.电化学电容器的特点及应用[J].电子元件与材料,2003(11):1-5. |
| [2] | Li-Zhen Fan;Yong-Sheng Hu;Joachim Maier;Philipp Adelhelm;Bernd Smarsly;Markus Antonietti .High Electroactivity Of Polyaniline In Supercapacitorsby Using A Hierarchically Porous Carbon Monolith As A Support[J].Advanced functional materials,2007(16):3083-3087. |
| [3] | Sarangapani S.;Chen CP.;Tilak BV. .MATERIALS FOR ELECTROCHEMICAL CAPACITORS - THEORETICAL AND EXPERIMENTAL CONSTRAINTS [Review][J].Journal of the Electrochemical Society,1996(11):3791-3799. |
| [4] | Juan Xu;Lan Gao;Jianyu Cao;Wenchang Wang;Zhidong Chen .Preparation and electrochemical capacitance of cobalt oxide (Co_3O_4) nanotubes as supercapacitor material[J].Electrochimica Acta,2010(2):732-736. |
| [5] | 孔令斌,李玉刚,刘卯成,罗永春,康龙.Co3O4纳米颗粒的制备及其超级电容性能研究[J].应用化工,2012(01):102-105. |
| [6] | Dandan Zhao;Wenjia Zhou;Hulin Li .Effects of Deposition Potential and Anneal Temperature on the Hexagonal Nanoporous Nickel Hydroxide Films[J].Chemistry of Materials: A Publication of the American Chemistry Society,2007(16):3882-3891. |
| [7] | Wang, H.;Casalongue, H.S.;Liang, Y.;Dai, H. .Ni(OH)_2 nanoplates grown on graphene as advanced electrochemical pseudocapacitor materials[J].Journal of the American Chemical Society,2010(21):7472-7477. |
| [8] | Vinay Gupta;Shubhra Gupta;Norio Miura .Al-substituted a-cobalt hydroxide synthesized by potentiostatic deposition method as an electrode material for redox-supercapacitors[J].Journal of Power Sources,2008(2):685-689. |
| [9] | Lin Cao;Feng Xu;Yan-Yu Liang;Hu-Lin Li .Preparation of the Novel Nanocomposite Co(OH)_2/Ultra-Stable Y Zeolite and Its Application as a Supercapacitor with High Energy Density[J].Advanced Materials,2004(20):1853-1857. |
| [10] | Zhou WJ;Zhang J;Xue T;Zhao DD;Li HL .Electrodeposition of ordered mesoporous cobalt hydroxide film from lyotropic liquid crystal media for electrochemical capacitors[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2008(8):905-910. |
| [11] | 原长洲,张校刚,高博.多孔Co（OH）2的制备及其超电容特性[J].应用化学,2006(04):456-458. |
| [12] | Gupta V;Kusahara T;Toyama H;Gupta S;Miura N .Potentiostatically deposited nanostructured alpha-Co(OH)(2): A high performance electrode material for redox-capacitors[J].Electrochemistry communications,2007(9):2315-2319. |
| [13] | 胡中爱,付国瑞,金小青,谢莉婧,解玉龙,王耀先.电沉积法制备Co（OH）2薄膜及其电化学性能研究[J].西北师范大学学报（自然科学版）,2010(02):64-68. |
| [14] | Liu, ZP;Ma, RZ;Osada, M;Takada, K;Sasaki, T .Selective and controlled synthesis of alpha- and beta-cobalt hydroxides in highly developed hexagonal platelets[J].Journal of the American Chemical Society,2005(40):13869-13874. |
| [15] | Zhong-Ai Hu;Yu-Long Xie;Yao-Xian Wang .Synthesis of α-Cobalt Hydroxides with Different Intercalated Anions and Effects of Intercalated Anions on Their Morphology, Basal Plane Spacing, and Capacitive Property[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2009(28):12502-12508. |
| [16] | Dan-Dan Zhao;Mao Wen Xu;Wen-Jia Zhou;Jin Zhang;Hu Lin Li .Preparation of ordered mesoporous nickel oxide film electrodes via lyotropic liquid crystal templated electrodeposition route[J].Electrochimica Acta,2008(6):2699-2705. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%