Cationic starch as a precursor to prepare porous activated carbon for application in supercapacitor electrodes. (Record no. 52370)

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control field MX-MdCICY
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control field 20250625160225.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-18217
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245 10 - TITLE STATEMENT
Title Cationic starch as a precursor to prepare porous activated carbon for application in supercapacitor electrodes.
490 0# - SERIES STATEMENT
Volume/sequential designation Journal of Physics and Chemistry of Solids, 69(10), p.2420-2425, 2008
520 3# - SUMMARY, ETC.
Summary, etc. Three activated carbons (ACs)for the electrodes of supercapacitor were prepared from cationic starch using KOH, ZnCl2 and ZnCl2/CO2 activation. The BET surface area, pore volume and pore size distribution of the ACs were evaluated using density functional theory method, based on N2 adsorption isotherms at 77 K. The surface morphology was characterized with SEM. Their electrochemical performance in prototype capacitors was determined by galvanostatic charge/discharge characteristics and cyclic voltammetry, and compared with that of a commercial AC, which was especially prepared for use in supercapacitors. The KOH-activated starch AC presented higher BET surface area (3332 m2 g?1)and larger pore volume (1.585 cm3 g?1)than those of the others, and had a different surface morphology. When used for the electrodes of supercapacitors, it exhibited excellent capacitance characteristics in 30 wt percent KOH aqueous electrolytes and showed a high specific capacitance of 238 F g?1 at 370 mA g?1, which was nearly twice that of the commercial AC.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element A. MICROPOROUS MATERIALS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element D. ELECTROCHEMICAL PROPERTIES
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element D. MICROSTRUCTURE
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Wang, H.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Zhong, Y.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Li, Q.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Yang, J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Dai, Q.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1jKIyoH59jdWW5IMpD6MI6nivakfJo8gK/view?usp=drivesdk">https://drive.google.com/file/d/1jKIyoH59jdWW5IMpD6MI6nivakfJo8gK/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-18217 25.06.2025 25.06.2025 Documentos solicitados