Results 11 to 20 of about 110,018 (267)

Boosting Electrochemical Nitrogen Reduction Performance over Binuclear Mo Atoms on N-Doped Nanoporous Graphene: A Theoretical Investigation

open access: yesMolecules, 2019
Exploration of efficient catalysts is a priority for the electrochemical nitrogen reduction reaction (NRR) in order to receive a high product yield rate and faradaic efficiency of NH3, under ambient conditions.
Ruijie Guo   +3 more
doaj   +1 more source

Lithiated Prussian blue analogues as positive electrode active materials for stable non-aqueous lithium-ion batteries

open access: yesNature Communications, 2022
Prussian blue analogues (PBAs) are appealing materials for aqueous Na- and K- ion batteries but are limited for non-aqueous Li-ion storage. Here, the authors report the synthesis of various lithiated PBAs and discuss critical factors for improving the ...
Ziheng Zhang   +5 more
doaj   +1 more source

Recent Advances in Porous Carbon Materials as Electrodes for Supercapacitors

open access: yesNanomaterials, 2023
Porous carbon materials have demonstrated exceptional performance in various energy and environment-related applications. Recently, research on supercapacitors has been steadily increasing, and porous carbon materials have emerged as the most significant
Zhengdao Pan   +12 more
doaj   +1 more source

The Effect of an External Magnetic Field on the Electrochemical Capacitance of Nanoporous Nickel for Energy Storage

open access: yesNanomaterials, 2019
This work investigates the effect of a magnetic field on the electrochemical performance of nanoporous nickel (np-Ni). We first compare the electrochemical capacitance of np-Ni electrodes, which were prepared using the chemical dealloying strategy under ...
Haixia Zhang, Zhifei Han, Qibo Deng
doaj   +1 more source

Selective electrolysis of CO2 to CO on ultrathin In2Se3 nanosheets

open access: yesElectrochemistry Communications, 2019
Electroreduction of CO2 to fuels or valuable chemicals is a promising way to mitigate the greenhouse effect. Herein, ultrathin In2Se3 nanosheets are reported as a robust catalyst for CO2-to-CO conversion with a faradaic efficiency of 89% and a stable ...
Fang Lü   +7 more
doaj   +1 more source

Natural biowaste of banana peel-derived porous carbon for in-vitro antibacterial activity toward Escherichia coli

open access: yesAin Shams Engineering Journal, 2021
Banana peel-derived porous carbon from natural biowaste had been prepared with different annealing temperatures at 300, 400, 500, 600, and 700 °C. The as-prepared carbon powders were carefully characterized with XRD, SEM, TEM, EIS, and XPS measurements ...
Mula Sigiro
doaj   +1 more source

Transition-metal-based electrocatalysts for hydrazine-assisted hydrogen production

open access: yesMaterials Today Advances, 2020
Electrocatalytic water splitting is considered as the next-generation strategy for large-scale ultrapure hydrogen production. However, the high thermodynamic potential (1.23 V vs.
H. Liu, Y. Liu, M. Li, X. Liu, J. Luo
doaj   +1 more source

Effect of Pore Structure of ZIF-9 Based Porous Carbon/Carbon Fiber Composite Material on Performance of Lithium-sulfur Battery

open access: yesTaiyuan Ligong Daxue xuebao, 2021
A high-density array of ZIF-9 was grown on the carbon fiber of carbon paper by a solvothermal method, followed by one-step pyrolysis and reoxidation to form a ZIF-9 based porous carbon/carbon fiber conductive composite material.
Panpan LIU   +7 more
doaj   +1 more source

Tailoring nanoporous structures of Ge anodes for stable potassium-ion batteries

open access: yesElectrochemistry Communications, 2019
We present here for the first time the electrochemical behavior of germanium anodes in potassium-ion batteries (KIBs). Nanoporous germanium (np-Ge) samples were fabricated by the chemical-dealloying method using Al as the sacrificial metal. Galvanostatic
Qing Yang   +3 more
doaj   +1 more source

Recent advances: Biomass-derived porous carbon materials

open access: yesSouth African Journal of Chemical Engineering, 2023
Biomass-derived porous carbon materials are a new type of popular environmentally friendly materials that have attracted researchers worldwide attention due to their well-developed and easy control pore structure, high specific surface area, higher ...
Bakhytzhan Lesbayev   +6 more
doaj   +1 more source

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