Activated & Mesoporous Carbon For Energy Storage & Batteries
Activated carbon is a graphitic microcrystalline carbon material with rich pore structure, which is mostly used in energy storage, sewage treatment, hydrogen storage, etc. In the field of supercapacitors, activated carbon is used as an electrode material due to its abundant raw materials, low price, simple synthesis process, and large specific surface area. Mesoporous carbon is a new class of non-silicon-based mesoporous materials with huge surface area and pore volume. Compared with activated carbon, mesoporous carbon materials have more regular pore distribution. For mesoporous carbon with regular and ordered pores, electrolyte ions can move freely in the pores. Such movement weakens the capacitor dispersion effect, so that the capacitor has strong charging and discharging capacity, and shows excellent electrochemical capacitance performance. It can be seen that both activated and mesoporous carbon have the advantages of high specific surface area, good electrical conductivity, and good electrochemical stability, and are widely used in the field of supercapacitors.
Figure 1. Pore structure micrographs of activated and mesoporous carbon
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