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Image of PENGARUH PERSENTASE POLYTETRAFLUOROETHYLENE (PTFE) PADA LAPISAN KATALIS ELEKTRODA TERHADAP PRODUKSI METANOL HASIL KONVERSI CO2 SECARA REDUKSI ELEKTROKIMIA

Skripsi

PENGARUH PERSENTASE POLYTETRAFLUOROETHYLENE (PTFE) PADA LAPISAN KATALIS ELEKTRODA TERHADAP PRODUKSI METANOL HASIL KONVERSI CO2 SECARA REDUKSI ELEKTROKIMIA

Hidayati, Siti Nur - Personal Name;

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Testing the effect of Polytetrafluoroethylene (PTFE) on the electrode catalyst layer on methanol production as a result of CO2 conversion by electrochemical reduction has been carried out. This study used PTFE as a hydrophobic substance with varying contents (10wt%, 15wt%, 20wt%, and 25wt%) in electrodes with Cu2O-ZnO/C (cathode) and Pt/C (anode) catalysts. The electrodes were 7.5 x 7.5 cm in size and flanked the nafion electrolyte membrane to form MEA as a medium for converting CO2 to methanol. The CO2 conversion process is carried out at a CO2 flow rate of 160 mL/minute, and the source of electrical energy is obtained from a power supply at a voltage of 1.8 V. The results of electrode characterization using the SEM-EDX method revealed that the cathode had a higher Cu content with a 15wt% PTFE content of 9% and the anode had a higher Pt content with a 20wt% PTFE content of 27.2%. The highest cathode ECSA value from CV measurements was 16,924.89 cm2/g at the cathode with 15wt% PTFE content, and the highest ECSA value at the anode was 103,732 cm2/g with 10wt% PTFE content. Meanwhile, the results of the electrochemical impedance spectroscopy (EIS) analysis showed that the highest electrical conductivity value of 15.48371 S/cm was found at the cathode with 15wt% PTFE content and 31.55684 S/cm at the anode with 10wt% PTFE content. The lowest current obtained in the CO2 to methanol conversion process was found in MEA with 15wt% PTFE Cu2O-ZnO/C (cathode) and 10wt% PTFE Pt/C (anode), with the highest percentage of methanol produced at 16.2% b/v (without distillation process).


Availability
Inventory Code Barcode Call Number Location Status
2307000581T89720T897202023Central Library (Referens)Available
Detail Information
Series Title
-
Call Number
T897202023
Publisher
Indralaya : Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sriwijaya., 2023
Collation
xvii, 85 hlm.; ilus.; 21 cm
Language
Indonesia
ISBN/ISSN
-
Classification
541.307
Content Type
-
Media Type
-
Carrier Type
-
Edition
-
Subject(s)
Jurusan Kimia
Kimia Fisik
Specific Detail Info
-
Statement of Responsibility
PITRIA
Other version/related

No other version available

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  • PENGARUH PERSENTASE POLYTETRAFLUOROETHYLENE (PTFE) PADA LAPISAN KATALIS ELEKTRODA TERHADAP PRODUKSI METANOL HASIL KONVERSI CO2 SECARA REDUKSI ELEKTROKIMIA
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