WIZ_DBS1500
Carbon Cloth
Carbon Paper
Carbon Felt
ٰ ݼ
Carbon Powder, Liquid
濭 Sheet
ӹڸл
÷
Activated Carbon
 Ȯ强 ݼ
͸ ׽ͱ
Laminate Film
Ͽµ
Power Sonicator
     Carbon Powder, Liquid
 
Carbon Powder, Liquid
 
ǰҰ  
 

 ź  ( Carbon Nano Fiber ) 

 īи (Carbon powder), ī(Carbon Liquid)

 MDCNFCNF и

 MDCNF-DCNF л)

 

 Key features

of the product

 Very small add-on to increase challenge

 and reinforcement

 Improved thermal conductivity

 High purity


 

 

 ȥν .

ź ſ ũ̹Ƿ Li ̿ ʸ Ⱑ 帣 ̿Ͽ ϴ پ  뵵 븦 ֽϴ.

  

ϸ鼭  .

ź ־ ϵ ʽϴ . , ϱ ῡ ź ȥϿ 濭 Ư ̴ 뵵ε ˴ϴ .

 

 

 

  ź ǰ

  ҷ ÷(1wt%~) () .

 

 

 

 Gramax-S Ұڷ

  Gramax vs Gramax S


 


 


 

 

 



 Gramax  – HP type anode materials

 Ƭ ̿

 

Ư¡                       

ũ Ļ
ε巯 ź 

 

LIB Ȱ
ϵ źҿ ȣȯ  C/D
3 򰡿 κ Ư ϵ źҺ Դϴ.
ո ݴ

 

 

 

[Gramax(ǥ) ]

 

 Gramax

 Gramax 

 Heat Treat Temperature

 Lower than artificial graphite

 Lower than Gramax

 True density

 Almost same as Graphite

(.g/cm3)

 A bit smaller than Graphite

(1.9-2.2g/cm3  Depend on Grade)

 1st D/C effecienty 

 Almost same as Graphite

(94-95%)

 Lower than Gramax

(75-90%  Depend on Grade)

 C-D profile

 Flat like graphite

 Slope like hard carbon (HC)

 

 

 

* Gramax  

-  Ư (޼ )

- HC

- HEV Ư

 

 

 

[ и ]


 

 

 Charging (mAh∙g)

 DisCharging (mAh∙g)

 1st C/D Efficiency (%)

 Gramax 90

 259

 244

 94.2

 Gramax 1

 372

 284

 76.3

 Gramax 2

 305

 253

 83.0

 Gramax 3

 265

 222

 83.8

  

 

 

[ ɷ (Charging)]

 

Gramax    ӵ ϴ.

 

 

 

 

[ ɷ (Discharging)]


Gramax  ȣ Ư Ÿ.




[PC Rsistance]

C-D Profile of Gramax 2


 

 Charging (mAh∙g)

 DisCharging (mAh∙g)

 1st C/D Efficiency (%)

 EC/2EMC

 305

253

83.0 

 PC/EC/EMC

 300

250 

83.3 

Gramax   PC پ ش.

 

 

 

 

 

 

 

 

 

 

 

 Full Cell Data with Gramax 

 

[Cell 1]

*

-  Electrode

          LNCM  δ = 92 : 4 : 4

   

-  Electrode

          Gramax Ȱ  δ = 95.0: 5.0

 

          HC       Ȱ   δ = 94.5 : 0.5 : 5.0

 

 

* Cell

Gramax 

 Electrode

 Active Material

 Load

 Discharge

Capacity

 Electrode Density

 Cell

Thickness

 Positive

 LNCM

 7.80.1mg/cm2

 145mAh/g

 2.90.1g/cm3

 -

 Negative

 Gramax 

 5.00.1mg/cm2

 240mAh/g

 1.30.1g/cm3

 1.99

 

HC

 Electrode

 Active Material

 Load

 Discharge

Capacity

 Electrode Density

 Cell

Thickness

 Positive

 LNCM

 7.50.1mg/cm2

 145mAh/g

 3.00.1g/cm3

 -

 Negative

 Hard Carbon

 3.00.1mg/cm2

 400mAh/g

 1.10.1g/cm3

 1.99

 


 

 

[Cell 2]

Ÿ

- Carbon Black + Graphite

 PVdF

Ű : Carbon Black

Ű δ: PVF

 +: Al (t=15um), -: Cu(t=10um)

и: polyolefin-type (25um)

- : 1mol/l, LiPF6 EC:EMC(3:7)

- : Al Laminated Cell

- :  + 18.0cm2,  -: 19.8cm2

- ũ⣺ 90mm 55mm

 

* ׸

ʱ Ư
 ɷ
 ӵ
 Ư()
پ SOC() DC-R
÷Ʈ  Ư
- 1C1CC3DŬ

 

 

 

 

[Charge/Discharge Profile (ʱ )]

谡 ̿ ٸ  HC  񱳴 ʴ.


 

 

[Charge/Discharge Profile (ʱ)]

β Ŀ 뷮 Gramax   HC 캸 ణ ũ.


 

 

 

[Discharge  ɷ]

ִ 7CA Gramax HC δ. 10CA,Gramax β /Ǵ   ġ ʾ ִ.


 

 

 

 

[DC-IR at various SOC (Discharge)]

Gramax β ұϰ HC  DC-j Ÿ.




 

 


[Ŭ Ư]

200Ŭ(1C/1C) 뷮  Gramax  95%.

HC  92%.
߰ Ŭ ׽Ʈ ߴ.
(3C/3C 400Ŭ5C/5C 600Ŭ.)

 

 


 

 

 

[ ]

20 뷮  85%, Gramax   89%, HC  78% 82%Դϴ.


 

 

[(ӽ)]

 β Ŀ Gramax  Ÿų
ּ 
HC ȣȯ Ư .

 ÷ ϰų ٸ 踦 ä
10CA /Ǵ -20 뷮  Gramax-0E ִ.

Gramax  HC ü ִٰ .

 

 

 

 

 

 

 

 

 

 

 

 

 

OMAC-R

(Ƭ̿ )


[]

• ڿ 濬 ǥ ó
• OMAC ȭ Ư
• ո ݴ

 

 

* Process of OMAC and OMAC-R


 

 

 

 Raw Materials

 Mixing

 Carbonization

 Classification

 Shipping

 OMAC

 China

 Japan

 OMAC-R

 China


 

 

 

[OMAC-R Ư]

 

 Particle size distribution (um)

 SSA

(m2/g)

 Tap Density

(g/cm3)

D10

D50

D90

Dmax 

 OMAC-R

7.4

11.7

19.4

44.0

 3.58

 0.98

 OMAC12

 -

 12.51.0

 -

 44

 3.50.3

 >1.0

 

 

 

OMAC12

 

[PSD profile of OMAC12 and OMAC-R ]


 
 

 

 

 

[OMACR-Rʱ C3DƯ]

 

 Charging

(mAh/g)

 Discharging

(mAh/g)

 1st C/D Efficiency

 OMAC-R

 382.5

 357.3

 93.4%

 OMAC12

 Irreversible cap. 30

 350

 92%

 

 

 OMAC12 Ϲ

 

 

 

 

 

 

 

[1st C/D profile of OMAC-R]


 

 

 

 


 

 

[OMAC-R Ư (Half Cell)]

 

 

 Charging amount to 0V at C.C (mAh/g)

 0.3C

 1.0C

 3.0C

 5.0C

 10.0C

 OMAC-R

 333.1

 116.5

 27.4

 15.7

 9.1

 OMAC12

 339.6

 139.8

 34.1

 16.5

 8.9


 


 

 

 

 

[OMAC-R Ư (Half Cell)]

 

 Discharging amount to 1.2V at C.C./ (mAh/g)

 0.3C

 1.0C

 3.0C

 5.0C

 10.0C

 OMAC-R

 359.9

 358.5

 348.0

 287.9

 106.8

 OMAC12

357.7

357.7

348.5

 288.5

 95.1


 

 

 

 

OMAC-R SEM̹


 

 

 

 

 

 

 

 

n-CF


ī и, ī Ŀ (Carbon Powder)

 


[]

• ũ V/G/P/P O/CCF (:4mm̸)
• ǰ ġ, ȸ ȭ Ȱմϴ.

 

SEM̹ (и ۾ )


 

 

 

 

[ٸ Ư]

 

 SSA

(m2/g)

 Electroconductivity

(S/cm)

 Compressed density

(g/cm3)

 VGCF

 11.28

 11.99

 0.87

 Denka Black

 70.07

 6.67

 0.60

 CF-1

 1.62

 4.29

 0.94

 CF-2

 1.56

 6.44

 1.02

 CF-3

 0.75

 22.36

 1.21

 


 

 

[ȿ ù° C/D]

 

 1st Charging amount

(mAh/g)

 1st Discharging amount

(mAh/g)

 1st C/D Efficiency

(mAh/g)

 MCMB

VGCF

 341

 329

 96.3

 MCMB

 Denka Black

 349

 328

 94.2

 MCMB

 nCF-1

 350

 332

 94.7

 MCMB

 nCF-2

 342

 330

 96.6

 MCMB

 nCF-3

 343

 330

 96.3



 

 

 

 

[ż и ]

 

 0.3C

 1C

 3C

 MCMB

VGCF

 329

100%)

 

 323

98%

 300

91%

 MCMB

 Denka Black

 328

100%)

 324

99%

 300

92%

 MCMB

 nCF-1

 332

100%)

 325

98%

 286

86%

 MCMB

 nCF-2

 330

100%)

 324

98%

 304

92%

 MCMB

 nCF-3

 330

100%)

 326

98%

 303

92%