Chinese  |  English

CH

Achievementshome >> Achievements >> Technologies

Activated Carbon for Supercapacitor

Project overview
The activated carbon is the key material of supercapacitor, most of which is imported from abroad. This seriously restricts the production cost and innovation of supercapacitors in China. To promote the development of activated carbon for supercapacitor, ICC-CAS exploits the advanced technology and the supporting facility for large-scale preparing activated carbon. It accelerates the localization of activated carbon for supercapacitor with low cost and high quality.

 Technical Content

 

Using starch as precursor, activated carbon for supercapacitor is prepared through 9 steps.  Among which, crosslinking, catalytic activation at high temperature and totally purification are the three key technologies.

Advantages

Three advantages of this technology: (1) using starch as raw material, so the morphology and physicochemical parameters are easy to control; (2) advanced technology is employed in crosslinking, carbonization and activation, which ensures the stability of quality for the different batch products; (3) the waste gas and liquid are dealt with further post processing without pollutant.

Technical Index

Physical Parameter

Morphology

Spherical

SBET (m2/g)

1750

Variation Coefficient (%)

<3

Average Particle Size (D50 μm)

11

Bulk Density (g/ml)

0.41

Ash Content (wt%)

0.04

Fe Ions Content (ppm)

15

Oxygen Content (wt%)

1.25

 

Electrochemical Parameter

Model

22450 cylinder

Activated Carbon Content (wt%)

85

Conductivity Agent (wt%)

8

CMC (wt%)

2

Binder (wt%)

5

Electrolyte

CF4301

Slurry Viscosity (mPa s)

5577

Solid Content (wt%)

24.9

Coating Scraper (μm)

300

Areal Density (g/2.5434 cm2)

0.033

Compacted Density (g/ml)

0.57

Injection Volume (g)

7.7

Device Mass (g)

21.6

R203 (mΩ)

7

Charge Capacity (F)

145.3

Discharge Capacity (F)

143.5

Leakage Current (mA, 2h)

7.7

DCIR (mΩ)

9.0

Specific Capacitance (F/g)

153.4

Specific capacitance (F/cc)

20.7

Energy Density (Wh/kg)

6.73

Power Density (Wh/kg)

9.38

 

Intellectual Properties

Two authorized patentsZL201510062117.7, ZL201510062450.8.

Preliminary Application

This technology has been applied in supercapacitors.

Economic Evaluation

The requirement of supercapacitor in China will reach to 21.5 million, about 120 million Wh. If the energy density of activated carbon for supercapacitor is 5 Wh/kg, 10,000 tons per year of activated carbon will be needed, which brings 6-8 billion RMB output value.

Technology Maturity

Pilot amplification.

Cooperation

Cooperative development.

  

Activated carbon for supercapacitor.

 

         

        The microscopic morphologies of activated carbon for supercapacitor.

 

The pilot platform of activated carbon for supercapacitor.

Activated Carbon for Supercapacitor

The activated carbon is the key material of supercapacitor, most of which is imported from abroad. This seriously restricts the production cost and innovation of supercapacitors in China. To promote the development of activated carbon for supercapacitor, ICC-CAS exploits the advanced technology and the supporting facility for large-scale preparing activated carbon. It accelerates the localization of activated carbon for supercapacitor with low cost and high quality.
 Technical Content

 

Using starch as precursor, activated carbon for supercapacitor is prepared through 9 steps.  Among which, crosslinking, catalytic activation at high temperature and totally purification are the three key technologies.

Advantages

Three advantages of this technology: (1) using starch as raw material, so the morphology and physicochemical parameters are easy to control; (2) advanced technology is employed in crosslinking, carbonization and activation, which ensures the stability of quality for the different batch products; (3) the waste gas and liquid are dealt with further post processing without pollutant.

Technical Index

Physical Parameter

Morphology

Spherical

SBET (m2/g)

1750

Variation Coefficient (%)

<3

Average Particle Size (D50 μm)

11

Bulk Density (g/ml)

0.41

Ash Content (wt%)

0.04

Fe Ions Content (ppm)

15

Oxygen Content (wt%)

1.25

 

Electrochemical Parameter

Model

22450 cylinder

Activated Carbon Content (wt%)

85

Conductivity Agent (wt%)

8

CMC (wt%)

2

Binder (wt%)

5

Electrolyte

CF4301

Slurry Viscosity (mPa s)

5577

Solid Content (wt%)

24.9

Coating Scraper (μm)

300

Areal Density (g/2.5434 cm2)

0.033

Compacted Density (g/ml)

0.57

Injection Volume (g)

7.7

Device Mass (g)

21.6

R203 (mΩ)

7

Charge Capacity (F)

145.3

Discharge Capacity (F)

143.5

Leakage Current (mA, 2h)

7.7

DCIR (mΩ)

9.0

Specific Capacitance (F/g)

153.4

Specific capacitance (F/cc)

20.7

Energy Density (Wh/kg)

6.73

Power Density (Wh/kg)

9.38

 

Intellectual Properties

Two authorized patentsZL201510062117.7, ZL201510062450.8.

Preliminary Application

This technology has been applied in supercapacitors.

Economic Evaluation

The requirement of supercapacitor in China will reach to 21.5 million, about 120 million Wh. If the energy density of activated carbon for supercapacitor is 5 Wh/kg, 10,000 tons per year of activated carbon will be needed, which brings 6-8 billion RMB output value.

Technology Maturity

Pilot amplification.

Cooperation

Cooperative development.

  

Activated carbon for supercapacitor.

 

         

        The microscopic morphologies of activated carbon for supercapacitor.

 

The pilot platform of activated carbon for supercapacitor.

上一篇:Supercapacitor
下一篇:Graphene

CONTACT US


Sales Manager:

0086+18835170493(Miss. Liu)

18835170493@163.com

WeChat:18835170493


Technical support:

0086+13934640625(Miss. Guo)

graphene@sxicc.ac.cn

WeChat:13934640625


Tel/Fax:0086+03514049061
Post Code:030001

Adress:27 South Taoyuan Road, Taiyuan, Shanxi, P.R.China

Website:http://709.sxicc.ac.cn

0351-4049061

版权所有:中国科学院山西煤炭化学研究所(ICC-CAS)
备案号:晋备ICP备1000255478号-3