Carbon-based materials make ideal electrodes due to their conductivity, large surface area, mechanical stability, and ability to interact well with electrolytes. The document discusses different types of carbon materials for electrodes based on their dimensionality, including zero-dimensional activated carbons and carbon nanospheres, one-dimensional carbon nanotubes and nanofibers, two-dimensional graphene, and three-dimensional porous carbons which provide a large percentage of active surface area and interconnected pores. In conclusion, carbon materials are well-suited for electrodes due to their desirable properties.

1. Carbon-based Electrode Materials
Centre of Excellence in Solid State
Physics
JM David

2. Importance of Carbon as Electrode Material
Ideal electrode
• Conductive
• Maximal surface area
• Mechanical stability
• Clear and sharp melting and
sublimation temperatures
• Minimal internal resistance
• Appropriate electrolyte interaction
• Good specific capacitance
Carbon based electrode
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4. Zero Dimensional Carbon materials
• Carbons with aspect ratio of ~ 1
• Activated carbon (AC), carbon nanospheres
• Meso, micro, and macro porous structure
• Very large specific surface area

5. One-Dimensional Carbon Materials
• Batter networking and charge movement
• Carbon nanotubes CNTs, carbon nanofibers CNF
• Good mechanical duriability

6. Two-Dimensional Carbon Material
• Mono layered graphene
• Strong mechanical strength
• Excellent mass and heat transfer capability
• Extremely high light transmittance ~97%
• Large surface area
• Easy convertibility

8. Three-Dimensional Carbon materials
• More percentage of active surface
• Well-interconnected pores
• Batter adhesion on substrate
• Greater redox potential

9. Thank you