?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=REVERSIBILITAS+REAKSI+ELEKTROKIMIA+PADA+ELEKTRODA+SUPERKAPASITOR+ZEOLIT+BERBASIS+SILIKA+SEKAM+PADI+YANG+DIKALSINASI+PADA+SUHU+450%2C+550%2C+DAN+650%E2%84%83&rft.creator=Ulfah%2C+Fatia&rft.subject=QC+Physics&rft.description=ABSTRAK.+Telah+dilakukan+penelitian+tentang+analisis+reversibilitas+reaksi+elektrokimia+pada+elektroda+superkapasitor+zeolit+berbasis+silika+sekam+padi+yang+dikalsinasi+pada+suhu+450%2C+550%2C+dan+650%E2%84%83.+Tujuan+penelitian+ini+adalah+mengetahui+pengaruh+suhu+kalsinasi+terhadap+pembentukan+fasa+kristal+dan+konstanta+standar+kecepatan+transfer+elektron+(k0)+serta+hubungan+pembentukan+fasa+kristal+terhadap+nilai+k0.+Karakterisasi+XRD+zeolit+K450+menghasilkan+fasa+kuarsa+dan+bohmit%2C+zeolit+K550+dan+K650+menghasilkan+fasa+kristobalit%2C+stishovite%2C+dan+gamma-alumina.+Reaksi+elektrokimia+yang+diuji+dengan+voltametri+siklik+pada+ketiga+zeolit+(K450%2C+K550%2C+dan+K650)+bersifat+irreversibel+dengan+nilai+puncak+oksidasi-reduksi+sebesar+240-390+mV%2C+dan+nilai+k0+yang+berada+pada+orde+10-9.+Semakin+tinggi+suhu+kalsinasi%2C+maka+semakin+tinggi+pula+nilai+k0+yang+dihasilkan.+Nilai+k0+ketiga+zeolit+pada+laju+ulas+terbesar+1+V%2Fs+adalah+29%2C658%3B+36%2C398%3B+dan+77%2C110+cm%2Fs.+%0D%0AKata+kunci+%3A+elektrokimia%2C+sekam+padi%2C+superkapasitor%2C+zeolit%0D%0A%0D%0AABSTRACT.+Zeolite+based+silica+rice+husk+has+been+prepared+and+analyzed+with+calcination+at+temperature+450%2C+550%2C+and+650%E2%84%83.+This+research+was+conducted+to+study+the+effect+of+calcination+temperature+in+forming+of+crystalline+phases+and+standard+electron+rate+constant+(k0).+The+zeolite+K450+was+formed+quartz+and+bohmite+phases%2C+zeolite+K550+and+K650+was+formed+cristobalite%2C+stishovite%2C+and+gamma-alumina+phases.+Electrochemical+reaction+of+zeolite+K450%2C+K550+and+K650+are+irreversible.+Peak+potential+oxidation-reduction+is+between+240+mV+and+390+mV.+The+higher+value+of+calcination%2C+the+higher+value+of+k0.+The+k0+value+of+zeolite+K450%2C+K550%2C+K650++at+scan+rate+1+V%2Fs+are+29%2C658+x+10-9%3B+36%2C398+x+10-9%3B+77%2C110+x+10-9+cm%2Fs+respectively.+%0D%0AKey+words%3A+electrochemical%2C+rice+husk%2C+supercapacitor%2C+zeolite.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2016-11-22&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24615%2F1%2F1.%2520abstrak%2520indonesia%2520dan%2520inggris.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24615%2F2%2F2.%2520skripsi%2520full.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24615%2F3%2F3.%2520skripsi%2520tanpa%2520pembahasan.pdf&rft.identifier=++Ulfah%2C+Fatia++(2016)+REVERSIBILITAS+REAKSI+ELEKTROKIMIA+PADA+ELEKTRODA+SUPERKAPASITOR+ZEOLIT+BERBASIS+SILIKA+SEKAM+PADI+YANG+DIKALSINASI+PADA+SUHU+450%2C+550%2C+DAN+650%E2%84%83.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F24615%2F