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Oxford Instruments : RISE Microscopy & EDS Imaging Combined - The Perfect Match

June 7, 2023

Workshop Announcement: RISE Microscopy & EDS Imaging Combined - The Perfect Match

Oxford Instruments NanoAnalysis and WITec invite you to an. | June 7, 2023 ....

Perfect Match , Instruments Nanoanalysis , Raman Analysis , Nanostructures Based , Prussian Blue Analogs , Oxford Instruments Plc Stock Exchange , Press Release , O Oxig Gb0006650450 ,

"A Disordered Rubik's Cube-Inspired Framework for Sodium-Ion Batteries " by Jian Peng, Bao Zhang et al.

Sodium-ion batteries (SIBs) with fast-charge capability and long lifespan could be applied in various sustainable energy storage systems, from personal devices to grid storage. Inspired by the disordered Rubik's cube, here, we report that the high-entropy (HE) concept can lead to a very substantial improvement in the sodium storage properties of hexacyanoferrate (HCF). An example of HE-HCF has been synthesized as a proof of concept, which has achieved impressive cycling stability over 50 000 cycles and an outstanding fast-charging capability up to 75 C. Remarkable air stability and all-climate performance are observed. Its quasi-zero-strain reaction mechanism and high sodium diffusion coefficient have been measured and analyzed by multiple in situ techniques and density functional theory calculations. This strategy provides new insights into the development of advanced electrodes and provides the opportunity to tune electrochemical performance by tailoring the atomic composition. ....

High Entropy , Long Lifespan , Prussian Blue Analogs , Sodium Ion Batteries ,

"Low-Cost Zinc Substitution of Iron-Based Prussian Blue Analogs as Long" by Hang Zhang, Jian Peng et al.

Iron-based Prussian blue analogs (Fe-PBAs) are extensively studied as promising cathode materials for rechargeable sodium-ion batteries owing to their high theoretical capacity, low-cost and facile synthesis method. However, Fe-PBAs suffer poor cycle stability and low specific capacity due to the low crystallinity and irreversible phase transition during excess sodium-ion storage. Herein, a modified co-precipitation method to prepare highly crystallized PBAs is reported. By introducing an electrochemical inert element (Zn) to substitute the high-spin Fe in the Fe-PBAs (ZnFeHCF-2), the depth of charge/discharge is rationally controlled to form a highly reversible phase transition process for sustainable sodium-ion storage. Minor lattice distortion and highly reversible phase transition process of ZnFeHCF-2 during the sodium-ions insertion and extraction are proved by in-situ tests, which have significantly impacted the cycling stability. The ZnFeHCF-2 shows a remarkably enhanced cycling ....

Fe Pbas Znfe , Element Optimization , Long Lifespans , Phase Transitions , Prussian Blue Analogs , Sodium Ion Batteries ,

"Prussian Blue Analogs as Cathode Materials for Sodium-ion Batteries" by Jian Peng

Renewable energy has attracted much attention due to increasing concerns about the sustainability of fossil fuels and environmental issues. Developing sustainable and environmentally friendly ESSs is a great challenge in the 21st century. Lithium-ion batteries (LIBs) have replaced traditional energy storage devices, especially in portable electronic devices and electric vehicles. However, large-scale renewable energy requires low-cost and high-safety energy storage systems and the increasing demands for lithium have brought about the rising costs of lithium resources. Recently, SIBs have been paid significant attention as a promising candidate for large-scale ESSs due to the abundance and low cost of sodium resources. The application of the new synthesis method has prepared new materials, and the defect chemistry of electrode materials has been deeply understood for the first time, which opens up a new route for the design of electrode materials.
Prussian blue analogs are a large fa ....

Prussian Blue Analogs , Sodium Ion Batteries , Energy Storage ,

Sustainability of Sodium-ion Battery Cathodes

Sustainability is key to the design of advanced batteries that can help address the issues associated with fossil fuel use. In order to investigate how sustainable sodium-ion batteries cathodes are, a new paper, authored by scientists from Germany and Spain, has been published online in Advanced Energy Materials. ....

Reginald Davey , Skyla Baily , Reginald Daveyoct , Emergent Battery Technology , Energy Materials , A Key Electrochemical Energy Storage Solution , Ion Battery Cathode Materials Advanced Energy , Advanced Energy , Prospective Sustainability Screening , Sodium Ion Battery Cathode , Image Credit , Key Electrochemical Energy Storage , Advanced Energy Materials , Prussian Blue Analogs ,