期刊
RSC ADVANCES
卷 4, 期 89, 页码 48336-48343出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra08218d
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资金
- Etortek Program (ENERGIGUNE12)
- CIC energiGUNE
- MESC Master under the Erasmus Mundus Program
Lignin-derived nanoporous carbon with narrow and tuneable pore size distribution has been produced by activation with potassium hydroxide (KOH). The results manifest the competition between the oxidation reaction of carbon and the intriguing C-C bond re-organization provoked by the chemical activation. A trend between the average pore size and the in-plane crystal size of few-layer graphene is observed. The ability for non-Faradaic charge storage is negatively affected by the graphenization degree. The ionsieving effect is detected for carbon materials with an average pore size below 0.9 nm, suggesting at least partial solvation of electrolyte ions inside pores. Capacitance values up to 87 F g(-1) in an organic based electrolyte are obtained.
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