The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In single-chamber microbial fuel cells (SC-MFCs), microorganisms attached on air-cathode can suppress catalyst activity and electron/proton transport to lower oxygen reduction reaction (ORR) efficiency. To enhance power output of SC-MFCs, an efficient way is to improve durability of ORR catalyst by inhibiting bacterial overgrowth on cathode. Silver/ferrous sulfide/partly-graphitized carbon (Ag/FeS/PGC)...
As a member of the ternary metal oxide family, nickel cobaltite is considered as a promising electrode material. This is due to its high theoretical capacity, low diffusional resistance to protons, ease of electrolyte penetration, superior ionic/electronic conductivity and higher electrochemical activity compared to single metallic oxides such as NiO or Co3O4. However, NiCo2O4's relatively low electrical...
A free-standing thermoplastic carbon film with good flexibility and conductivity has been developed and introduced in perovskite solar cells for the first time. Due to its thermoplasticity, this free-standing carbon film can be directly hot pressed onto the perovskite layer as counter electrode. By optimization toward the components of carbon films and hot-pressing pressure, the back contact between...
In this work, we report the synthesis of one-dimensional (1-D) hierarchical NiO nanosheets covering bamboo-like amorphous CNT composites (NiO@CNT) via a facile and a low-cost solution route based on sulfonated polymeric nanotubes (PNTs) used simultaneously as both, a template, and a source of nano-structured carbon derived by a low-temperature thermal carbonization treatment. The electrochemical performance...
Ultrathin scale-like nickel cobaltite (NiCo2O4) nanosheets supported on nitrogen-doped reduced graphene oxide (N-rGO) are successfully synthesized through a facile co-precipitation of Ni2+ and Co2+ in the presence of sodium citrate and hexamethylenetetramine and subsequent calcination treatment. The composition and morphology of NiCo2O4 nanosheets@nitrogen-doped reduced graphene oxide (denoted as...
An easy method is described for fabricating carbon sheets with nanostructures using sucrose as a carbon precursor and a layered superabsorbent polymer (LSAP) as a structure-directing agent. The method is based on the interaction of the three-dimensional polymer networks of the LSAP with a sucrose solution in the hydrogel cells. The synthesis scheme consists of: (a) preparation of the LSAP, (b) preparation...
Carbon nanospheres (CNSs) with the diameters of 50–250nm were synthesized through a one-step solvothermal method at about 300°C. In this process, benzene and hexachloroethane (C 2 Cl 6 ) served as carbon source for the CNSs. The results showed that the CNSs were composed of a mixture of graphitic nanocrystallites and amorphous carbon. It is believed that they formed through intermolecular...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.