发明名称 |
P-TOLUENESULFONATE DOPED POLYPYRROLE/CARBON COMPOSITE ELECTRODE AND A PROCESS FOR THE PREPARATION THEREOF |
摘要 |
Polypyrrole/carbon (PPy/C) composite doped with organic anion p-toluenesulfonate (pTS) is utilized as an electrode in supercapacitor for energy storage application. The surface initiated in-situ chemical oxidative polymerization yields a composite material PPy/C in the presence of varying concentrations of pTS. The novelty of the present invention lies in the doping of PPy/C composite with organic anion pTS and consequent enhancement of its electrochemical activity and stability. The conjugation length and electrical conductivity of pTS doped PPy/C composites increase with the increase in dopant concentration. The pTS doped PPy/C composite synthesized using equimolar concentration (0.1 M) of pTS to pyrrole shows the maximum specific capacitance of ˜395 F/g in 0.5 M Na2SO4 aqueous solution with significant stability ˜95% capacitance retention after ˜500 cycles. |
申请公布号 |
US2016055984(A1) |
申请公布日期 |
2016.02.25 |
申请号 |
US201414464845 |
申请日期 |
2014.08.21 |
申请人 |
Council of Scientific & Industrial Research |
发明人 |
Kumar Amit;Singh Hari Krishna;Singh Rajiv Kumar;Singh Ramadhar;Srivastava Pankaj |
分类号 |
H01G11/48;H01G11/86;H01G11/32 |
主分类号 |
H01G11/48 |
代理机构 |
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代理人 |
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主权项 |
1. An organic anion doped conducting polymer/carbon composite having dc electrical conductivity (σdc) ranging between 0.98-6.85 S/cm. |
地址 |
New Delhi IN |