R. Dhaka

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8 papers · 1 filter

cond-mat.mtrl-sci2026

Improved Electrochemical Performance and Diffusion kinetics by Boron-doping in Na $_{0.66}$ Mn $_{0.8}$ Fe $_{0.2}$ O $_{2}$ Layered Cathodes for Sodium-Ion Batteries

Jayashree Pati, P. Senthilkumar, Deepak Seth +6

We report the electrochemical investigation and study the diffusion kinetics of boron doped Na $_{0.66}$ Mn $_{0.8}$ Fe $_{0.2}$ O $_{2}$ (B-NMFO) cathode materials for sodium-ion batteri…

cond-mat.mtrl-sci2026

Order-disorder transition and Na-ion redistribution in NASICON-type Na $_{3}$ FeCr(PO $_{4}$ ) $_{3}$

Madhav Sharma, Archna Sagdeo, Rajendra S. Dhaka

We report the temperature-dependent synchrotron based X-ray diffraction analysis of NASICON type Na $_{3}$ FeCr(PO $_{4}$ ) $_{3}$ sample, which undergoes a symmetry-lowering structural trans…

cond-mat.mtrl-sci2026

Revealing the interfacial kinetic mechanisms in high-entropy doped Na $_{3}$ V $_{2}$ (PO $_{4}$ ) $_{3}$ through electrochemical investigation and distribution of relaxation times

Manish Kr. Singh, Rajendra S. Dhaka

We designed a high-entropy doped NASICON cathode, Na $_{3}$ V $_{1.9}$ (CrMoAlZrNi) $_{0.1}$ (PO $_{4}$ ) $_{3}$ and investigate its electrochemical performance for sodium-ion batteries (SIBs) to…

cond-mat.mtrl-sci2026

Case study of an exploratory high voltage NASICON-based Na $_{4}$ NiCr(PO $_{4}$ ) $_{3}$ cathode material for sodium-ion batteries

Madhav Sharma, Pooja Sindhu, Rajendra S. Dhaka

We examine a new NASICON-type Na $_{4}$ NiCr(PO $_{4}$ ) $_{3}$ material designed for high-voltage and multi-electron reactions for the sodium-ion batteries (SIBs). The Rietveld refinement of…

cond-mat.mtrl-sci2025

Unraveling the storage mechanism of Na $_{3}$ V $_{2 - x}$ Ni $_{x}$ (PO $_{4}$ ) $_{2}$ F $_{3}$ /C cathodes for sodium-ion batteries through electrochemical, {\it operando} X-ray diffraction and microscopy studies

Simranjot K. Sapra, Jeng-Kuei Chang, Rajendra S. Dhaka

The storage mechanism and diffusion kinetics of Na $_{3}$ V $_{2 - x}$ Ni $_{x}$ (PO $_{4}$ ) $_{2}$ F $_{3}$ /C ( $x =$ 0--0.07) cathodes are investigated through electrochemical impedance spectr…

cond-mat.mtrl-sci2025

Synergistic Role of Transition Metals and Polyanionic Frameworks in Phosphate-Based Cathode Materials for Sodium-Ion Batteries

Madhav Sharma, Riya Gulati, Rajendra S. Dhaka

Ongoing research in the area of advanced cathode materials for sodium-ion batteries (SIBs) is expected to reduce reliance on lithium-ion batteries (LIBs), providing more affordable…

Improved Electrochemical Performance and Diffusion kinetics by Boron-doping in Na0.66​Mn0.8​Fe0.2​O2​ Layered Cathodes for Sodium-Ion Batteries

Order-disorder transition and Na-ion redistribution in NASICON-type Na3​FeCr(PO4​)3​

Revealing the interfacial kinetic mechanisms in high-entropy doped Na3​V2​(PO4​)3​ through electrochemical investigation and distribution of relaxation times

Case study of an exploratory high voltage NASICON-based Na4​NiCr(PO4​)3​ cathode material for sodium-ion batteries

Unraveling the storage mechanism of Na3​V2−x​Nix​(PO4​)2​F3​/C cathodes for sodium-ion batteries through electrochemical, {\it operando} X-ray diffraction and microscopy studies

Synergistic Role of Transition Metals and Polyanionic Frameworks in Phosphate-Based Cathode Materials for Sodium-Ion Batteries

Improved Electrochemical Performance and Diffusion kinetics by Boron-doping in Na $_{0.66}$ Mn $_{0.8}$ Fe $_{0.2}$ O $_{2}$ Layered Cathodes for Sodium-Ion Batteries

Order-disorder transition and Na-ion redistribution in NASICON-type Na $_{3}$ FeCr(PO $_{4}$ ) $_{3}$

Revealing the interfacial kinetic mechanisms in high-entropy doped Na $_{3}$ V $_{2}$ (PO $_{4}$ ) $_{3}$ through electrochemical investigation and distribution of relaxation times

Case study of an exploratory high voltage NASICON-based Na $_{4}$ NiCr(PO $_{4}$ ) $_{3}$ cathode material for sodium-ion batteries

Unraveling the storage mechanism of Na $_{3}$ V $_{2 - x}$ Ni $_{x}$ (PO $_{4}$ ) $_{2}$ F $_{3}$ /C cathodes for sodium-ion batteries through electrochemical, {\it operando} X-ray diffraction and microscopy studies