?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+GUGUS+FUNGSI+DAN+SIFAT+TERMAL+BAHAN+Li2CoSiO4%0D%0AYANG+DISINTESIS+DARI+LIMBAH+KATODE+BATERAI+ION+LITIUM%0D%0A%0D%0ADAN+SILIKA+SEKAM+PADI&rft.creator=MEGAWATI%2C+14170410455&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Studi+ini+bertujuan+untuk+mengetahui+pengaruh+suhu+sintering+terhadap+gugus%0D%0Afungsi+dan+sifat+termal+bahan+Li2CoSiO4+yang+disintesis+dari+limbah+katode+baterai%0D%0Aion+litium+(BIL)+dan+silika+sekam+padi.+Dekomposisi+limbah+katode+BIL+dilakukan%0D%0Adengan+metode+pelarutan+asam%2Facid+leaching+dengan+menambahkan+Na2CO3%0D%0Ahingga+pH+11+untuk+mendapatkan+senyawa+Li2CO3+dan+Co(OH)2+secara+simultan.%0D%0AEkstraksi+silika+sekam+padi+dilakukan+dengan+metode+sol-gel.+Sintesis+Li2CoSiO4%0D%0Adilakukan+dengan+metode+padatan+dengan+perbandingan+1%3A1+(%25+berat)+dan%0D%0Adisintering+dengan+variasi+suhu+600%2C+700%2C+800+dan+900+oC+selama+12+jam.+Gugus%0D%0Afungsi+dikarakterisasi+mengunakan+Fourier+Transform+Infrared+(FTIR)+sedangkan%0D%0Asifat+termal+diuji+menggunakan+Thermo+Gravimetric+Analysis-Differntial+Thermal%0D%0AAnalysis+(TGA-DTA).+Hasil+spektrum+FTIR+menunjukkan+adanya+puncak+serapan%0D%0Ayang+mengindikasikan+gugus+fungsi+dari+Co-O%2C+Li-O%2C+Si-O-Si%2C+Si-O-Co%2C+Li-O-Si%0D%0Adan+Li-O-Co.+Intensitas+puncak+serapan+mengalami+peningkatan+seiring+suhu%0D%0Asintering+yang+semakin+tinggi+mengindikasikan+struktur+Li2CoSiO4+semakin%0D%0Aterbentuk.+Hasil+TGA-DTA+menunjukkan+adanya+penyusutan+massa+pada+suhu+30-%0D%0A400+oC+yang+berkaitan+dengan+penguapan+air+dan+dekomposisi+gugus+karboksil+serta%0D%0Apenyusutan+massa+yang+signifikan+pada+suhu+850-1300+oC+yang+berkaitan+dengan%0D%0Akristalisasi+struktur+fasa+%CE%B3-Li2CoSiO4.+Struktur+fasa+%CE%B3-Li2CoSiO4+terbentuk+pada%0D%0Asuhu+yang+lebih+rendah+seiring+meningkatnya+suhu+sintering.+Sampel+dengan%0D%0Asintering+suhu+900+oC+terbentuk+fasa+%CE%B3-Li2CoSiO4+pada+suhu+1000+oC.%0D%0AKata+kunci%3A+limbah+baterai%2C+sekam+padi%2C+katode+Li2CoSiO4%0D%0AThis+study+aims+to+investigate+the+effect+of+sintering+temperature+on+the+functional%0D%0Agroups+and+thermal+properties+of+Li2CoSiO4+synthesized+from+lithium+ion+battery%0D%0A(LIB)+cathode+waste+and+rice+husk+silica.+The+decomposition+of+LIB+cathode+waste%0D%0Awere+synthesized+by+using+acid+leaching+method+by+adding+Na2CO3+until+pH+11+to%0D%0Aobtain+Li2CO3+and+Co(OH)2+compounds.+Extraction+of+silica+from+rice+husk+were%0D%0Asynthesized+by+using+sol-gel+method.+Li2CoSiO4+were+synthesized+by+using+solid%0D%0Astate+reaction+with+ratio+1%3A1+(weight+%25)+and+sintered+variation+temperature+at+600%2C%0D%0A700%2C+800+and+900+oC+for+12+hours.+The+functional+groups+were+investigated+using%0D%0AFourier+Transform+Infrared+(FTIR)+and+thermal+properties+using+Thermo%0D%0AGravimetric+Analysis-Differential+Thermal+Analysis+(TGA-DTA).+The+FTIR%0D%0Aspectrum+results+exhibited+absorption+peaks+which+indicated+the+presence+functional%0D%0Agroups+of+Co-O%2C+Li-O%2C+Si-O-Si%2C+Si-O-Co%2C+Li-O-Si+and+Li-O-Co.+The+intensity%0D%0Aincrease+with+increasing+sintering+temperature+indicated+further+structures%0D%0ALi2CoSiO4+has+been+formed.+The+TGA-DTA+data+exhibited+weight+loss+at%0D%0Atemperature+range+30-400+oC+due+water+evaporation+and+carbon+decomposition%0D%0Ameanwhile+weight+loss+at+temperature+range+850-1300+oC+due+crystallization%0D%0Astructure+phase+%CE%B3-Li2CoSiO4.+The+structure+phase+%CE%B3-Li2CoSiO4+formed+in+lower%0D%0Atemperature+with+the+increasing+sintering+temperature.+The+sample+with+sintering%0D%0A900+oC+was+formed+phase+%CE%B3-Li2CoSiO4+at+1000+oC.%0D%0AKey+words%3A+waste+battery%2C+rice+husk%2C+Li2CoSiO4+cathode&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57313%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57313%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57313%2F6%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++MEGAWATI%2C+14170410455++(2019)+ANALISIS+GUGUS+FUNGSI+DAN+SIFAT+TERMAL+BAHAN+Li2CoSiO4+YANG+DISINTESIS+DARI+LIMBAH+KATODE+BATERAI+ION+LITIUM+DAN+SILIKA+SEKAM+PADI.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57313%2F