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The acidic aqueous supercapacitors have been found to deliver appealing capacitive properties due to fast ion diffusion caused by the applied smallest size of hydrion. However, their practical applications are largely inhibited by the narrow electrochemical stability window of water (1.23 V). Herein, A nitrogen‐enriched porous carbon materials (RNOPCs) is reported, consisting of varied nitrogen doping...
Ever‐developing energy storage technologies demand the pursuit of advanced materials with multiple functionalities. Recent studies revealed that multiple heteroatom‐doped carbon has been wildly used for bi‐functional or even tri‐functional energy storage and conversion. However, few efforts have been made to uncover the origin of multi‐functionalities. Herein, a nitrogen, phosphorus, and sulfur tri‐doped...
In article number 1805064, Feng Hou, Ji Liang, and co‐workers fabricate flexible, free‐standing, and continuous nickel sulfide nanosheet/carbon nanotube (NS/CNT) films through a silicamediated conversion process. The nickel sulfide nanosheets with controllable phases and compositions are homogeneously and intimately attached on highly graphitized and fewwalled CNTs. The NS/CNT can be directly used...
An effective, nondestructive, and universal strategy to homogeneously modify freestanding carbon nanotube (CNT) films with various active species is essential to achieve functional electrodes for flexible electrochemical energy storage, which is challenging and has attracted considerable research interest. In this work, a generalizable concept, to utilize silicon oxide as the intermediate to uniformly...
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