Shibabrata Basak
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View article: Accelerated Iridium Dissolution in Proton Exchange Membrane (PEM) Water Electrolyzers by Inert Mobile Anions Adsorbed in the Double Layer
Accelerated Iridium Dissolution in Proton Exchange Membrane (PEM) Water Electrolyzers by Inert Mobile Anions Adsorbed in the Double Layer Open
Iridium oxides display state-of-the-art electrocatalysts for anodes in proton exchange membrane water electrolyzers (PEM-WE), combining electrocatalytic activity for the oxygen evolution reaction (OER) and reasonable stability. During OER …
View article: Proton Exchange Membrane Water Electrolyzer Cathode: A Nanomechanical and Nanoelectrical Analysis
Proton Exchange Membrane Water Electrolyzer Cathode: A Nanomechanical and Nanoelectrical Analysis Open
Investigating the aging of proton exchange membrane electrolyzer cells (PEMECs) is crucial for extending their lifetime. Thus, nanomechanical and nanoelectrical atomic force microscopy (AFM) techniques and nanoindentation were employed on …
View article: The utilization of high saline sodium chloride containing waters in solid oxide electrolysers
The utilization of high saline sodium chloride containing waters in solid oxide electrolysers Open
View article: Real-time visualisation of fast nanoscale processes during liquid reagent mixing by liquid cell transmission electron microscopy
Real-time visualisation of fast nanoscale processes during liquid reagent mixing by liquid cell transmission electron microscopy Open
Liquid cell transmission electron microscopy (LCTEM) is a powerful technique for investigating crystallisation dynamics with nanometre spatial resolution. However, probing phenomena occurring in liquids while mixing two precursor solutions…
View article: Carbon-supported Ni nanoparticles in CO<sub>2</sub> methanation: role of a superficial NiO shell observed by <i>in situ</i> TEM
Carbon-supported Ni nanoparticles in CO<sub>2</sub> methanation: role of a superficial NiO shell observed by <i>in situ</i> TEM Open
In situ TEM uncovers dynamic Ni@NiO core–shell nanostructures emerging on Ni/AC during CO 2 methanation. The NiO shell activates CO 2 while the Ni 0 core splits H 2 , coupling intermediates to deliver a high CH 4 yield.
View article: Electrochemical performance and durability of high-temperature solid oxide electrolysis cells with SFM and SFM-GDC fuel electrodes for hydrogen and syngas production
Electrochemical performance and durability of high-temperature solid oxide electrolysis cells with SFM and SFM-GDC fuel electrodes for hydrogen and syngas production Open
SFM-based single cells show high performance but poor long-term stability under steam electrolysis due to a dense interlayer formation at the SFM/GDC interface. In contrast, the cells with composite SFM-GDC electrodes exhibit exceptional d…
View article: Novel Atmospherically Plasma Sprayed Micro Porous Layer for Anion Exchange Membrane Water Electrolysis Operating With Supporting Electrolyte
Novel Atmospherically Plasma Sprayed Micro Porous Layer for Anion Exchange Membrane Water Electrolysis Operating With Supporting Electrolyte Open
Anion exchange membrane water electrolysis (AEMWE) is one of the most promising candidates for green hydrogen production needed for the de‐fossilization of the global economy. As AEMWE can operate at high efficiency without expensive Plati…
View article: Nanomechanical and nanoelectrical analysis of the proton exchange membrane water electrolyzer anode – impact of reinforcement fibers and porous transport layer
Nanomechanical and nanoelectrical analysis of the proton exchange membrane water electrolyzer anode – impact of reinforcement fibers and porous transport layer Open
An operated reinforced membrane electrode assembly anode was analyzed with high resolution. The fiber-reinforcement provided long-term stability, while nanomechanical and nanoelectrical aging was especially observed at porous transport lay…
View article: Cross-plane iridium-based filaments sap efficiency in Proton Exchange Membrane Electrolyzers
Cross-plane iridium-based filaments sap efficiency in Proton Exchange Membrane Electrolyzers Open
Proton exchange membrane electrolysis cells (PEMEC) are a key technology for producing “green hydrogen” – a sustainable energy carrier and platform for synthesizing manifold chemicals. To bolster performance and durability of PEMEC and acc…
View article: Long-term electrochemical characterization of novel Sr2FeMo0.65Ni0.35O6−δ fuel electrode for high-temperature steam electrolysis in solid oxide cells
Long-term electrochemical characterization of novel Sr2FeMo0.65Ni0.35O6−δ fuel electrode for high-temperature steam electrolysis in solid oxide cells Open
The present study focuses on the highly catalytic double-perovskite Sr2FeMo0.65Ni0.35O6−δ (SFMNi) fuel electrode material for Solid Oxide Electrolysis Cells (SOECs). The electrolyte-supported single button cells with the highly active SFMN…
View article: Toward Quantitative Electrodeposition via In Situ Liquid Phase Transmission Electron Microscopy: Studying Electroplated Zinc Using Basic Image Processing and 4D STEM
Toward Quantitative Electrodeposition via In Situ Liquid Phase Transmission Electron Microscopy: Studying Electroplated Zinc Using Basic Image Processing and 4D STEM Open
High energy density electrochemical systems such as metal batteries suffer from uncontrollable dendrite growth on cycling, which can severely compromise battery safety and longevity. This originates from the thermodynamic preference of met…
View article: Titanium Nitride Microelectrode: A New Candidate for In Situ Electrochemical Transmission Electron Microscopy Study
Titanium Nitride Microelectrode: A New Candidate for In Situ Electrochemical Transmission Electron Microscopy Study Open
In situ transmission electron microscopy (TEM) is increasingly utilized by researchers to explore various electrochemical applications in the quest to address climate change, aiming to comprehend underlying mechanisms and enhance performan…
View article: Investigating the formation of surface reconstruction layers in Ni-rich cathode materials using STEM
Investigating the formation of surface reconstruction layers in Ni-rich cathode materials using STEM Open
View article: Unveiling the Exsolution Mechanisms and Investigation of the Catalytic Processes of Sr2femo0.65ni0.35o6-Δ Using in Situ Transmission Electron Microscopy
Unveiling the Exsolution Mechanisms and Investigation of the Catalytic Processes of Sr2femo0.65ni0.35o6-Δ Using in Situ Transmission Electron Microscopy Open
View article: Development of simple image processing for in-situ TEM toward live processing
Development of simple image processing for in-situ TEM toward live processing Open
View article: Towards Quantitative Liquid Phase Electrochemistry for Understanding Electrochemical Processes
Towards Quantitative Liquid Phase Electrochemistry for Understanding Electrochemical Processes Open
View article: Following low and high-temperature electrolysis processes with in-situ and cryo electron microscopy
Following low and high-temperature electrolysis processes with in-situ and cryo electron microscopy Open
View article: Real-time visualisation of organic crystal growth dynamics during liquid reagent mixing by liquid cell transmission electron microscopy
Real-time visualisation of organic crystal growth dynamics during liquid reagent mixing by liquid cell transmission electron microscopy Open
Liquid cell transmission electron microscopy (LCTEM) is a powerful technique for revealing crystallisation dynamics with nm spatial resolution. However, the study of liquids while mixing precursor solutions is extremely challenging. Here, …
View article: Metal Electroplating/Stripping and 4D STEM Analysis Revealed by Liquid Phase Transmission Electron Microscopy
Metal Electroplating/Stripping and 4D STEM Analysis Revealed by Liquid Phase Transmission Electron Microscopy Open
Aqueous zinc ion and metal-based batteries have attracted much attention towards the development of an alternative electrochemical energy storage technology beyond lithium ion batteries [1].There are several advantages of metal-based batte…
View article: CO2 Electroreduction to Formate—Comparative Study Regarding the Electrocatalytic Performance of SnO2 Nanoparticles
CO2 Electroreduction to Formate—Comparative Study Regarding the Electrocatalytic Performance of SnO2 Nanoparticles Open
SnO2 nanoparticles have frequently been reported as effective electrocatalysts for CO2 electroreduction to formate. However, in the literature, there is little knowledge of SnO2 nanoparticles that guarantee superior electrocatalytic perfor…
View article: Effect of Low Environmental Pressure on Sintering Behavior of NASICON-Type Li<sub>1.3</sub>Al<sub>0.3</sub>Ti<sub>1.7</sub>(PO<sub>4</sub>)<sub>3</sub> Solid Electrolytes: An <i>In Situ</i> ESEM Study
Effect of Low Environmental Pressure on Sintering Behavior of NASICON-Type Li<sub>1.3</sub>Al<sub>0.3</sub>Ti<sub>1.7</sub>(PO<sub>4</sub>)<sub>3</sub> Solid Electrolytes: An <i>In Situ</i> ESEM Study Open
Solid-state sintering at high temperatures is commonly used to densify solid electrolytes. Yet, optimizing phase purity, structure, and grain sizes of solid electrolytes is challenging due to the lack of understanding of relevant processes…
View article: Characterizing battery materials and electrodes via <i>in situ</i>/<i>operando</i> transmission electron microscopy
Characterizing battery materials and electrodes via <i>in situ</i>/<i>operando</i> transmission electron microscopy Open
In situ transmission electron microscopy (TEM) research has enabled better understanding of various battery chemistries (Li-ion, Li–S, metal–O2, Li, and Na metal based, etc.), which fueled substantial developments in battery technologies. …
View article: Active Interphase Enables Stable Performance for an All‐Phosphate‐Based Composite Cathode in an All‐Solid‐State Battery
Active Interphase Enables Stable Performance for an All‐Phosphate‐Based Composite Cathode in an All‐Solid‐State Battery Open
High interfacial resistance and unstable interphase between cathode active materials (CAMs) and solid‐state electrolytes (SSEs) in the composite cathode are two of the main challenges in current all‐solid‐state batteries (ASSBs). In this w…
View article: <i>Operando</i> transmission electron microscopy of battery cycling: thickness dependent breaking of TiO<sub>2</sub> coating on Si/SiO<sub>2</sub> nanoparticles
<i>Operando</i> transmission electron microscopy of battery cycling: thickness dependent breaking of TiO<sub>2</sub> coating on Si/SiO<sub>2</sub> nanoparticles Open
Thickness dependent rapture of TiO 2 coating on Si/SiO 2 nanoparticles during battery cycling via operando transmission electron microscopy corroborates their electrochemical performance measured using liquid electrolyte cells.
View article: Nanostructuring Germanium Nanowires by In Situ TEM Ion Irradiation
Nanostructuring Germanium Nanowires by In Situ TEM Ion Irradiation Open
Once nanomaterials have been synthesized, inducing further structural modifications is challenging. However, being able to do so in a controlled manner is crucial. In this context, germanium nanowires are irradiated in situ within a transm…
View article: Structural Study of Polyacrylonitrile-Based Carbon Nanofibers for Understanding Gas Adsorption
Structural Study of Polyacrylonitrile-Based Carbon Nanofibers for Understanding Gas Adsorption Open
Polyacrylonitrile-based carbon nanofibers (PAN-based CNFs) have great potential to be used for carbon dioxide (CO2) capture due to their excellent CO2 adsorption properties. The porous structure of PAN-based CNFs orig…
View article: Improved Electrochemical Performance of Zinc Anodes by EDTA in Near‐Neutral Zinc−Air Batteries
Improved Electrochemical Performance of Zinc Anodes by EDTA in Near‐Neutral Zinc−Air Batteries Open
The influence of ethylenediaminetetraacetic acid (EDTA) electrolyte additive on the performance of Zn−air batteries with near‐neutral chloride‐based electrolytes was examined for primary and secondary batteries. The electrochemical measure…
View article: Accessing Lithium–Oxygen Battery Discharge Products in Their Native Environments via Transmission Electron Microscopy Grid Electrode
Accessing Lithium–Oxygen Battery Discharge Products in Their Native Environments via Transmission Electron Microscopy Grid Electrode Open
High-fidelity and facile ex situ transmission electron microscopy (TEM) characterization of lithium−oxygen (Li−O2) batteries is still limited by challenges in preserving the native environment of Li−O2 discharge produ…
View article: Operando Transmission Electron Microscopy Study of All-Solid-State Battery Interface: Redistribution of Lithium among Interconnected Particles
Operando Transmission Electron Microscopy Study of All-Solid-State Battery Interface: Redistribution of Lithium among Interconnected Particles Open
With operando transmission electron microscopy visualizing the solid-solid electrode-electrolyte interface of silicon active particles and lithium oxide solid electrolyte as a model system, we show that (de)lithiation (battery cycling) doe…
View article: Three-Dimensional Quantification of the Facet Evolution of Pt Nanoparticles in a Variable Gaseous Environment
Three-Dimensional Quantification of the Facet Evolution of Pt Nanoparticles in a Variable Gaseous Environment Open
Pt nanoparticles play an essential role in a wide variety of catalytic reactions. The activity of the particles strongly depends on their three-dimensional (3D) structure and exposed facets, as well as on the reactive environment. High-res…