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The electrochemical characterisation of the materials was carried out by means of cyclic voltammetry, galvanostatic charge-discharge experiments and Electrochemical Impedance Spectroscopy (EIS). The experiment results show that, the PANI/AC electrode exhibits typical capacitive behavior at the voltage window range from -1.0 to 1.5V vs Ag/AgCl. The specific capacitance of the PANI/AC electrode reaches up to 276F·g-1 in comparison with a value of 92F·g-1 for the bare-carbon electrode. And the ionic charge transfer resistance of the PANI/AC electrode is 2.4Ω in comparison with a value of 4.9Ω for the active carbon electrode. The electrode also shows an excellent cyclic life. The capacitance is decayed only by 15.7% after 1000 cycles for the composite electrode. Therefore, it is demonstrated that the loading of PANI onto high surface area activate carbon can greatly improve the performance of the electrode, and the composite is a very promising electrode material for applications in supercapacitors , authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=lei xu, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=1jnTzNERLL+qYHkHocbVfQ==, pdfFileSize=656071, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242121387201069535, articleId=1242121383061291468, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=聚苯胺修饰活性炭电极的电化学性能, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, 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科技导报
| 研究论文 2011, 29(11-06): 68-71
聚苯胺修饰活性炭电极的电化学性能
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徐 磊1,王 玮2
作者信息
1. 日照港集团有限公司科研检测中心,山东日照 2768002. 中国海洋大学材料科学与工程研究院,山东青岛 266100
通讯作者:
徐磊
Electrochemical Performance of Polyaniline-deposited Active Carbon Electrode
Affiliations
出版时间: 2011-02-28
doi: 10.3981/j.issn.1000-7857.2011.06.010
文章导航
有机体系下,采用循环伏安法(CV)在活性炭电极表面电聚合聚苯胺制备聚苯胺/活性炭复合电极,通过循环伏安、恒流充放电和电化学交流阻抗谱(EIS)测试了电极的电化学特性,结果表明,聚苯胺/活性炭复合电极具有良好的电容行为,在-1.0~1.5V参比极为Ag/AgCl,测试区间内具有较大的电化学容量,电极比电容高达276F·g-1,较活性炭电极的比电容92F·g-1有了很大提高。并且交流阻抗法测得活性炭电极的电荷转移电阻Rct为4.9Ω,而复合电极Rct仅2.4Ω。1000次充放电测试后,复合电极比电容仅衰减15.7%。由此表明,在有机体系下聚苯胺/活性炭复合电极是一种具有良好循环寿命和高比电容的复合电极材料
Polyaniline was fabricated by Cyclic Voltammetry (CV) on the surface of active carbon electrode in organic solvent. The electrochemical characterisation of the materials was carried out by means of cyclic voltammetry, galvanostatic charge-discharge experiments and Electrochemical Impedance Spectroscopy (EIS). The experiment results show that, the PANI/AC electrode exhibits typical capacitive behavior at the voltage window range from -1.0 to 1.5V vs Ag/AgCl. The specific capacitance of the PANI/AC electrode reaches up to 276F·g-1 in comparison with a value of 92F·g-1 for the bare-carbon electrode. And the ionic charge transfer resistance of the PANI/AC electrode is 2.4Ω in comparison with a value of 4.9Ω for the active carbon electrode. The electrode also shows an excellent cyclic life. The capacitance is decayed only by 15.7% after 1000 cycles for the composite electrode. Therefore, it is demonstrated that the loading of PANI onto high surface area activate carbon can greatly improve the performance of the electrode, and the composite is a very promising electrode material for applications in supercapacitors
supercapacitor
/
polyaniline
/
active carbon
/
specific capacitance
徐 磊;王 玮.
聚苯胺修饰活性炭电极的电化学性能.
科技导报,
2011
, 29
(11-06)
: 68
-71
.
DOI: 10.3981/j.issn.1000-7857.2011.06.010
.
Electrochemical Performance of Polyaniline-deposited Active Carbon Electrode[J].
Science & Technology Review ,
2011
, 29
(11-06)
: 68
-71
.
DOI: 10.3981/j.issn.1000-7857.2011.06.010
2011年第29卷第11-06期
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文章信息
doi: 10.3981/j.issn.1000-7857.2011.06.010
接收时间:2010-04-12
首发时间:2011-02-28
出版时间:2011-02-28
收稿日期:2010-04-12
修回日期:2010-09-13
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2011.06.010
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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