Results 171 to 180 of about 45,346 (288)
Emergence of scalar matter from spin foam model [PDF]
Peng Xu, Yongge Ma
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The review systematically summarizes the design strategy of NiFe‐based catalysts, including anionic modification, cation doping, supporting effect, embedding effect, and multi‐component construction, to boost the performance in rechargeable Zn–air batteries with high activity and sustained stability.
Xiaohong Zou+6 more
wiley +1 more source
The spin foam representation of loop quantum gravity [PDF]
Alejandro Pérez
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Herein, by employing a reference electrode, the durability of anion exchange membrane water electrolyzer (AEMWE) under intermittent condition is demonstrated to be governed by the stability of the cathode catalyst. By encapsulating NiMo catalyst with carbon shells, the oxidation‐induced irreversible transformation to inactive hydroxide is prevented ...
Sun Seo Jeon+13 more
wiley +1 more source
Supercapacitors: An Emerging Energy Storage System
This review explores the principles, advancements, and material innovations in supercapacitor technology, covering pseudocapacitors, double‐layer capacitors, electrolytes, and nanostructured materials like carbon nanotubes, MXenes, and graphene. It examines hybrid systems bridging capacitors and batteries, promising applications in wearable devices ...
Muhammad Faisal Iqbal+7 more
wiley +1 more source
The study discusses synthesis strategies of metal‐free heteroatom‐doped nanocarbon materials from biomass for use in rechargeable zinc–air batteries. It also covers the significance of these materials as electrocatalysts and electrodes for improving the oxygen reduction and evolution reactionsin.
Molla Asmare Alemu+4 more
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Effective Spin Foam Models for Four-Dimensional Quantum Gravity [PDF]
Seth K. Asante+2 more
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Metal Sulfides as Potential Materials for Next Generation Lithium Ion Batteries: A Review
The flame spray pyrolysis (FSP) method demonstrates its superiority in fabricating metal sulfide‐based electrodes without inactive materials like organic binders or solvents. The particles are directly deposited and compressed onto the electrode surface, integrating into continuous production.
Muhammad Ali Martuza+2 more
wiley +1 more source
Electrodeposited Iron‐Incorporated Cobalt Phosphide for Improved Supercapacitor Applications
The electrodeposition method has been used to synthesize Fe–CoP deposited on nickel foam, resulting in excellent cycling stability and capacitance retention compared to CoP and FeP. Furthermore, a detailed charge storage mechanism, emphasizing the enhanced electrochemical performance has been discussed. Supercapacitors have gained significant attention
Gaurav Pandey+2 more
wiley +1 more source
Rigorous construction of a Spin Foam Model for Lorentzian BF theory and Gravity: The foundations
Suresh K Maran
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