Phosphorous-doped porous carbon derived from paste of newly growing Ficus benghalensis as hydrogen storage material

Viswanathan, B ; Ariharan, A ; Nandhakumar, Vaiyapuri

Abstract

The synthesis of heteroatom (P)-doped porous carbon derived from the paste of newly growing Indian banyan tree (Ficus benghalensis) is described. The synthesis involves activation, carbonization and phosphorous-doping processes using H3PO4 as activating agent and as phosphorous source. The phosphorous-doped porous carbon material shows a wafer-like morphology with specific surface area of 1406 m²/g. This material exhibits hydrogen storage capacity of ~1.2 wt% at 298 K and 100 bar. This easily prepared carbon material is promising for realistic hydrogen storage.


Keyword(s)

Hydrogen storage, Carbon materials, Porous carbon, Activation, Biomass, Heteroatom doped carbon, Phosphorous doped carbon, Ficus benghalensis

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