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Porous carbon derived from aniline-modified fungus for symmetrical supercapacitor electrodes

机译:苯胺修饰真菌衍生的多孔碳,用于对称超级电容器电极

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N incorporated carbon materials are proven to be efficient EDLCs electrode materials. In this work, aniline modified fungus served as a raw material, and N-doped porous activated carbon is prepared via an efficient KOH activation method. A porous network with a high specific surface area of 2339 m2 g?1 is displayed by the prepared carbon material, resulting in a high accessible surface area and low ion diffusion resistance which is desirable for EDLC electrode materials. In assembled EDLCs, the N–AC based electrode exhibits a specific capacitance of 218 F g?1 at a current density of 0.1 A g?1. Besides, excellent stability is displayed after 5000 continuous cycles at different current densities ranging from 0.1 to 10 A g?1. The present work reveals a promising candidate for electrode materials of EDLCs.
机译:N结合的碳材料被证明是有效的EDLC电极材料。在这项工作中,以苯胺修饰的真菌为原料,通过高效的KOH活化方法制备了N掺杂的多孔活性炭。所制备的碳显示出具有2339 m 2 g ?1 的高比表面积的多孔网络材料,导致高可及表面积和低离子扩散阻力,这是EDLC电极材料所希望的。在组装的EDLC中,基于N–AC的电极在电流密度为0.1 A g ?1时显示的比电容为218 F g ?1 。此外,在0.1至10 A g ?1 范围内的不同电流密度下,经过5000次连续循环后,仍具有出色的稳定性。本工作揭示了EDLC电极材料的有希望的候选者。

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