King Saud University

Tansir Ahmad

Hamad Abdulla Al-Lohedan

Saad M Alshehri

Yusuke Yamauchi

A method of producing macroporous carbon capsules includes providing pollen grains from date palm (L.) males, drying the pollen grains, heating the dried pollen grains to a temperature of at least 500&#xb0; C. under an atmosphere of Ngas to produce macroporous carbon capsules. The macroporous carbon capsules produced from the above method can have an oval shape with a diameter in the range of about 18 &#x3bc;m to about 20 &#x3bc;m. The macroporous carbon capsules have a mean pore diameter in the range of about 50 nm to about 450 nm. The pores are three-dimensionally interconnected via nanoscopic carbon walls. The carbon walls have a thickness of about 4 &#x3bc;m.

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Riyadh, Saudi Arabia

Tansir Ahmad