Results 221 to 230 of about 174,552 (292)

Sustainable Synthesis of Edge‐Dominant Pyridinic Nitrogen‐Doped Carbon from Tannic Acid for High‐Performance Vanadium Redox Flow Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Graphitic carbon doped with an edge‐predominant pyridinic structure is synthesized using a sustainable, rapid microwave process. The material enhances vanadium redox reactions, improving energy efficiency and durability in VRFB electrodes, with a 94.12% discharge capacity retention over 1000 cycles.
Heeyeon An, Sieun Jeon, Yongjin Chung
wiley   +1 more source

Coexistence of ferroelectricity and altermagnetism in wurtzite vanadium oxide: a first-principles study. [PDF]

open access: yesRSC Adv
Zaman A   +7 more
europepmc   +1 more source

Gallium Vanadium Oxide‐Based Free‐Standing Versatile Electrode for Next‐Generation Lithium and Sodium Energy Storage: Combined Experimental and First‐Principles Insights into Electrochemical Performance

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A gallium vanadium oxide (GVO)‐based free‐standing electrode is fabricated via a two‐step process involving a wet ball mill followed by thermal treatment and the surface‐engineered tape casting technique. The resulting GVO‐based free‐standing composite electrode has been successfully utilized for four distinct energy storage applications without any ...
Amarsingh Bhabu Kanagaraj   +6 more
wiley   +1 more source

High Specific Capacity Amorphous Vanadium-Nickel Composite Lithium-Ion Battery Anode. [PDF]

open access: yesACS Omega
Niu C   +11 more
europepmc   +1 more source

Stable Hexagonal V2B2 Monolayer as a Promising Nonprecious Electrocatalyst for Hydrogen Evolution Reaction: Insights from First‐Principles Calculations

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work discovered stable V2B2 monolayer exhibits promising HER catalytic activity via unbiased swarm‐intelligence structural search. Further doping with transition metals such as Sc, Y, Ti, Zr, Hf significantly enhances the HER activity. Bader charge analysis reveals a linear correlation between ΔGH* and the electron gain by the hydrogen atom, which
Ziqi Li   +5 more
wiley   +1 more source

Synthetic Engineering of Manganese Oxide–Carbon Nanocomposites for Maximized Metal Utilization in Supercapacitors

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A one‐pot metal–ammonia synthesis enables uniform Mn2O3 nanoparticle deposition on activated carbon, yielding composites with excellent electrochemical performance in supercapacitors. The method maximizes manganese utilization, eliminates toxic solvents, and achieves 34% of the theoretical maximum capacitance, significantly outperforming existing Mn–C ...
Katrina Mazloomian   +4 more
wiley   +1 more source

Investigation of vanadium oxide/activated carbon composites. [PDF]

open access: yesSci Rep
Dumka M   +7 more
europepmc   +1 more source

N‐Doped Carbon Encapsulated FeV2S4/Fe Nanorods as Fast‐Charging Anodes for All‐Climate Sodium‐Ion Storage

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The well‐chosen N‐doped carbon encapsulated FeV2S4/Fe nanorods as new anode materials exhibit remarkable all‐climate fast‐charging sodium storage properties. Various in‐situ/ex‐situ experimental characterizations and DFT calculations confirm the high electronic conductivity, fast Na+ diffusion and complex conversion‐based reaction mechanism.
Yanli Zhou   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy