Pembuatan Material Anoda Lithium Titanate (Li4Ti5O12) dan Studi Pengaruh Ketebalan Elektroda Terhadap Performa Elektrokimia Baterai Ion Lithium

LAMPIRAN 1

Perbandingan komposisi bahan LTO : PVDF : AB

LTO : PVDF : AB = 85% : 10% : 5%

Perhitungan Massa Bahan Li

4

Ti

5

O

12

Persamaan Stokiometri :

Diketahui massa atom relative masing-masing unsur adalah :

Ar Li = 6,941

Ar O = 16

Ar H = 1,008

Ar Ti = 47,87

Maka berat molekuldari masing-masing bahan adalah :

Mr. LiOH.H

2

O

= 41,9988 gr/mol

Mr. TiO

2

= 79,997 gr/mol

Mr. Li

4

Ti

5

O

12

= 459,9383 gr/mol

Massa LTO

= 10 gram

Menghitung jumlah mol Li

4

Ti

5

O

12

0,02174205

mol

Menghitung massa LiOH.H

2

O



Perhitungan mol LiOH.H

2

O

x



Perhitungan massa

Menghitung Massa TiO

2



Perhitungan mol TiO

2

Mol TiO2

=

Mol TiO2

=

=

0,10871025

m

ol



Perhitungan massa TiO

2

x

Mr

mol x 79,997

LAMPIRAN 2

Menghitung Nilai Konduktivitas Sel Baterai

Dengan

Keterangan :

= konduktivitas sel baterai (1/

Ω

cm atau S/cm)

Re = hambatan elekronik (Ω)

Rct = hambatan transfer muatan (Ω)

A = luas permukaan persegi (cm

2

)

= tebal lembaran (cm)

Z

total

= penjumlahan dari hambatan elektronik dan hambatan transfer

muatan (Ω)



M-

1 (ketebalan 50 m)

_Ω

_Ω

=



M-2 (ketebalan 80

m)

_Ω

a

b c



M-4 (ketebalan 120

m)

_Ω

_Ω

= 1,58

Menghitung Energy Density

(

₎



M-1

(ketebalan 50 m)



M-2 (ketebalan

80 m)



M-4 (ketebalan

1β0 m)

Menghitung Power Density

(

₎



M-1 (Ketebalan 50

m)

0,0017



M-2 (Ketebalan 80

m)

0,005



M-4 (Ketebalan 120

m)

0,0067

LAMPIRAN 3

Gambar Bahan

Serbuk LiOH.H

2

O

Serbuk TiO

2

Serbuk PVDF

Serbuk Karbon AB

Alat-alat Karakterisasi Penelitian

Alat Uji CV/CD (WBCS 3000)

LAMPIRAN 4

Analysis Results

General Information

Analysis date 2016/03/07 17:50:03

Sample name LTO Mia Measurement date

File name LTO Mia.ras Operator

Method Rietveld

Measurement profile

Intensity (count

s)

0 100 200 300 400 500

2-theta (deg)

Intensity (count

s)

20 40 60 80

Peak list

node1 17.48

Function name Shift axial displacement param0 -0.040801143214112399 Decay rate factor etaL0/mL0 1.36(19)

etaL1/mL1 0.36(7) Decay rate factor etaL0/mL0 0.27(10)

Structure parameters

LTO Mia Lithium Titanium Oxide Li 0.625000 0.6250 00

0.625 000

0.172 0.500 LTO Mia Lithium Titanium Oxide O 0.388100 0.3881

00

0.388 100

1.000 0.500 LTO Mia Lithium Titanium Oxide Li 0.000000 0.0000

00

0.000 000

1.000 0.500 LTO Mia Lithium Titanium Oxide Ti 0.625000 0.6250

00

LTO Mia 8.3572(4) 8.3572(4) 8.3572(4) 90.000000 90.000000 90.000000 LTO Mia 4.5909(5) 4.5909(5) 2.9579(4) 90.000000 90.000000 90.000000

Crystal structure analysis results

Indexing

Phase name Formula Figure of merit

Phase reg. detail DB card number

Lithium Titanium Oxide Li1.33 Ti1.66 O4 0.580 ICDD (PDF-4+ 2014 RDB) 04-009-5069 Rutile, syn Ti O2 0.520 ICDD (PDF-4+ 2014 RDB) 04-004-4338

Quantitative analysis results

Phase name Content(%)

- Lithium Titanium Oxide 77.3(10)

- Rutile, syn 22.7(6) Rutile, syn 4.5909(5) 4.5909(5) 2.957

9(4) Lithium Titanium Oxide 227 : Fd-3m,choice-1 8 0.042 3.469

Structure determination

Refinement

Measurement range: 10.0000-90.0000deg Refinement range: 10.0000-90.0000deg (1.09 A) Number of refined parameters: 41

Phase name Atomic cords # of indep. reflns

Lithium Titanium Oxide Fractional cords 19 Rutile, syn Fractional cords 20

Rwp = 38.45% S = 1.1692

LAMPIRAN 5

Sampel M-1

V 0.050V LIM OFF RANGE AUTO OPEN OFF SHORT OFF DELAY 1.00s AVE OFF SPEED NORMAL

V 0.050V LIM OFF RANGE AUTO OPEN OFF SHORT OFF DELAY 1.00s AVE OFF SPEED NORMAL

0.00E+00 5.00E+01 1.00E+02 1.50E+02 2.00E+02 2.50E+02 3.00E+02 3.50E+02 4.00E+02

0 50 100 150 200 250 300 350 400

X

Ħ

V 0.050V LIM OFF RANGE AUTO OPEN OFF SHORT OFF DELAY 1.00s AVE OFF SPEED NORMAL

0.00E+00 2.00E+02 4.00E+02 6.00E+02 8.00E+02 1.00E+03 1.20E+03 1.40E+03

0 200 400 600 800 1,000 1,200 1,400

X

Ħ