Sunkyu Park

Sunkyu
Park

• PhD Student

• Researchgate
• 
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Thématique(s)

• Synthèses, surfaces, interfaces
• Cristallochimie et recherche de nouveaux matériaux inorganiques pour l’énergie
• Electrochimie et optimisation des dispositifs pour le stockage électrochimique

Descriptif des activités de recherche

Industrial PhD (LRCS ? ICMCB ? TIAMAT)
Advisor: LRCS (prof. C. Masquelier, prof. J-N. Chotard), ICMCB (Dr L. Croguennec, prof. D. Calier), TIAMAT (Dr. Iona Moog)
The research topic is aimed to find new positive electrode materials for Sodium ion batteries.

Parcours

– Umicore Korea (Cheonan, Korea) / 2018

Synthesis, surface modification, and characterizations of cathode materials for Li-ion batteries

– Master Erasmus Mundus ? Materials for Energy Storage and Conversion (M.E.S.C) / 2015 ? 2017

S1 Université Paul Sabatier (Toulouse, France)

S2 Warsaw University of Technology (Warsaw, Poland)

S3 Université de Picardie Jules Verne (Amiens, France)

S4 IMN ? Renault ? Saft (Nantes, France)

Thesis: Optimization of formulation of silicon-graphite (Si-G) composite electrodes and study of their

ageing mechanisms (Prof. Bernard Lestriez, and Dr. Nicolas Dupré)

Compétences

Synthesis (solid-state, sol-gel), electrochemistry, X-ray diffraction, electron microscopy, solid-state NMR

Projets en cours

CIFRE (LRCS ? ICMCB ? TIAMAT) / 2019 ? 2021 / ANRT

Obtaining V2(PO4)3 by sodium extraction from single-phase NaxV2(PO4)3 (1 < x < 3) positive electrode materials

Sunkyu Park, Ziliang Wang, Kriti Choudhary, Jean-Noël Chotard, Dany Carlier, François Fauth, Pieremanuele Canepa, Laurence Croguennec & Christian Masquelier

Nature Materials,

2025

Effect of Temperature on Intermediate Phases of Na3V2(PO4)3 during Cycling by Operando X-ray Diffraction

Kriti Choudhary, Sunkyu Park, François Fauth, François Rabuel, Charles Delacourt, Vincent Seznec, Jean-Noël Chotard

ACS Applied Materials & Interfaces,

2024

Improved ACOM pattern matching in 4D-STEM through adaptive sub-pixel peak detection and image reconstruction

Nicolas Folastre, Junhao Cao, Gozde Oney, Sunkyu Park, Arash Jamali, Christian Masquelier, Laurence Croguennec, Muriel Veron, Edgar F. Rauch & Arnaud Demortière

Scientific Reports,

2024

Irreversible Electrochemical Reaction at High Voltage Induced by Distortion of Mn and V Structural Environments in Na4MnV(PO4)3

Sunkyu Park, Jean-Noël Chotard, Dany Carlier, François Fauth, Antonella Iadecola, Christian Masquelier, and Laurence Croguennec

Chemistry of Materials,

2023

An Asymmetric Sodium Extraction/Insertion Mechanism for the Fe/V-Mixed NASICON Na4FeV(PO4)3

Sunkyu Park, Jean-Noël Chotard, Dany Carlier, Iona Moog, Mathieu Duttine, François Fauth, Antonella Iadecola, Laurence Croguennec*, and Christian Masquelier*

Chemistry of Materials,

2022

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Publications

Obtaining V2(PO4)3 by sodium extraction from single-phase NaxV2(PO4)3 (1 < x < 3) positive electrode materials

Effect of Temperature on Intermediate Phases of Na3V2(PO4)3 during Cycling by Operando X-ray Diffraction

Improved ACOM pattern matching in 4D-STEM through adaptive sub-pixel peak detection and image reconstruction

Irreversible Electrochemical Reaction at High Voltage Induced by Distortion of Mn and V Structural Environments in Na4MnV(PO4)3