Sunkyu Scott Park

Sunkyu Scott Park
Université de Picardie Jules Verne | UPJV · LRCS, Laboratoire de réactivité et chimie des solides

PhD Candidate
Looking for a new exciting/challenging experience in the battery domain

About

14
Publications
2,476
Reads
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81
Citations
Introduction
High Voltage Cathode Materials / Looking for a new exciting/challenging experience in the battery domain.
Additional affiliations
February 2017 - September 2017
Institut des Materiaux Jean Rouxel
Position
  • Master's Student
Description
  • Optimization of formulation of silicon-graphite (Si-G) composite electrodes and study of their ageing mechanisms – Project with Renault and Saft
July 2016 - September 2016
Paul Scherrer Institut
Position
  • Summer intern
Description
  • Investigation on lowering cost and toxicity of Na-MFC cathode materials for Na-ion batteries

Publications

Publications (14)
Article
We elucidate the complex thermodynamics of sodium (Na) intercalation into the sodium super-ionic conductor (NaSICON)-type electrode, NaxV2(PO4)3, for promising Na-ion batteries with high-power density. This is the first report of a computational temperature-composition phase diagram of the NaSICON-type electrode NaxV2(PO4)3. Based on our computatio...
Preprint
Full-text available
The Na-superionic-conductor (NASICON) Na3V2(PO4)3 is an important positive electrode material for Na-ion batteries. Here, we investigate the mechanisms of phase transition in NaxV2(PO4)3 (1 ≤ x ≤ 4) upon a non-equilibrium battery cycling. Unlike the widely believed two-phase reaction in Na3V2(PO4)3 – Na1V2(PO4)3 system, we determine a new intermedi...
Preprint
The Na-superionic-conductor (NASICON) Na3V2(PO4)3 is an important positive electrode material for Na-ion batteries. Here, we investigate the mechanisms of phase transition in NaxV2(PO4)3 (1 ≤ x ≤ 4) upon a non-equilibrium battery cycling. Unlike the widely believed two-phase reaction in Na3V2(PO4)3 – Na1V2(PO4)3 system, we determine a new intermedi...
Preprint
We elucidate the thermodynamics of sodium (Na) intercalation into the sodium super-ionic conductor (NaSICON)-type electrode, Na$_x$V$_2$(PO$_4$)$_3$, for promising Na-ion batteries with high-power density. This is the first report of a computational temperature-composition phase diagram of the NaSICON-type electrode Na$_x$V$_2$(PO$_4$)$_3$. We iden...
Article
Na-ion batteries are promising devices for smart grids and electric vehicles due to cost effectiveness arising from the overall abundance of sodium (Na) and its even geographical distribution. Among other factors, the energy density of Na-ion batteries is limited by the positive electrode chemistry. NaSICON-based positive electrode materials are kn...
Preprint
div> Na-ion batteries are promising devices for smart grids and electric vehicles due to cost effectiveness arising from the overall abundance of sodium (Na) and its even geographical distribution. Among other factors, the energy density of Na-ion batteries is limited by the positive electrode chemistry. NaSICON-based positive electrode materials...
Article
Full-text available
Aqueous binders are highly recommended in battery production for (i) reducing the costs and, (ii) increasing the safety due to the absence of an organic solvent. Unfortunately, the impact of water during the electrode formulation on sodiated phases is still unclear and deserves investigation. In this work, we used carboxymethylcellulose (Na-CMC) bi...
Article
P2-Na0.67Mn0.6Fe0.25Al0.15O2 (NaMFA) was developed as cheaper and less-toxic cathode material for sodium-ion batteries than the Co analogous, P2-Na0.67Mn0.6Fe0.25Co0.15O2 (NaMFC). Despite cobalt being considered to stabilise layered structures upon cycling, NaMFA proved to have not only a higher specific charge 163 mAh·g-1 compared to 141 mAh·g-1 a...

Questions

Question (1)
Question
Hello, I've been searching for the information on Component of Pigeon's poop for a week. I still haven't found what I want so finally i come here to ask..
I want to know what kind of compounds Pigeon's poop is consisted of. or (elements with percentage)
I would be very very pleasure if you give me the links of some publications.
have a nice evening.

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