Activated Carbon in Energy Storage and Electrical Appliances

Application areas

Type of activated carbon

Critical Performance

Typical Case

Advantage

Ultracapacitor

Ramie-based carbon

Specific surface area >2000 m²/g, Energy density 82.5 Wh/kg

Chengdu 30 tonne production line

Waste Biomass Resourcing

Orchid coke activated carbon

Cost $30,000-50,000/tonne, Capacity 280 F/g

Xi'an Jiaotong University Industrialisation Project

Costs only 3-5 per cent of the market

Petroleum coke-based carbon

Specific volume 165 F/g, stable performance at high multiples

Industrial Pulse Power Supplies

High current shock resistance

Batteries

Lithium Sulfur Battery Carrier

80% sulphur loading, >90% capacity for 500 cycles

laboratory stage

Inhibition of polysulfide shuttles

Lead-acid battery additives

30 per cent longer life expectancy

Start-stop batteries for commercial vehicles

Sulphation resistance

High Power Appliances

Traffic Capacitor

20 kilometres in 20 seconds on a charge

Shanghai Super Capacitor Bus

Cycle life >500,000 cycles

Laser weapon power supply

Millisecond 100 kW pulse

Military equipment

Extreme temperature stability

Camera flash

0.1 seconds fast charging

Digital camera

100,000 cycle life