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Dive into the research topics where Il Won Seong is active.

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Featured researches published by Il Won Seong.


Journal of Physical Chemistry Letters | 2017

Electrochemically Induced Shape-Memory Behavior of Si Nanopillar-Patterned Electrode for Li Ion Batteries

Byung Dae Son; Il Won Seong; Jun Kyu Lee; Joo Hyun Shin; Heon Lee; Woo Young Yoon

A nanopillar-patterned Si substrate was fabricated by photolithography, and its potential as an anode material for Li ion secondary batteries was investigated. The Si nanopillar electrode showed a capacity of ∼3000 mAh g-1 during 100 charging/discharging cycles, with 98.3% capacity retention, and it was revealed that the nanopillars underwent delithiation via a process similar to shape-memory behavior. Despite the tensile stress and structural fractures resulting from repeated lithiation, the nanoscale size and residual crystalline tip of the pillar (influenced by the bulk crystalline Si base) enabled recrystallization and transformation into a single-crystalline phase. To the best of our knowledge, this observation of shape memory recrystallization mechanism observation was not reported before for Si used as the active material in Li ion battery applications; these findings are expected to provide new insights into electrode materials for rechargeable batteries.


Journal of Power Sources | 2009

Electrochemical behavior of a lithium-pre-doped carbon-coated silicon monoxide anode cell

Il Won Seong; Ki-Tae Kim; Woo Young Yoon


Journal of Power Sources | 2008

The effects of current density and amount of discharge on dendrite formation in the lithium powder anode electrode

Il Won Seong; Chang Hyun Hong; Bok Ki Kim; Woo Young Yoon


Journal of Power Sources | 2010

Electrochemical behavior of a silicon monoxide and Li-powder double layer anode cell

Il Won Seong; Woo Young Yoon


Journal of Power Sources | 2009

Electrochemical behaviors of wax-coated Li powder/Li4Ti5O12 cells

Han Eol Park; Il Won Seong; Woo Young Yoon


Journal of Alloys and Compounds | 2017

Flexible freestanding Fe2O3-SnOx-carbon nanofiber composites for Li ion battery anodes

Bhavana N. Joshi; Seongpil An; Yong Il Kim; Edmund Samuel; Kyo Yong Song; Il Won Seong; Salem S. Al-Deyab; Mark T. Swihart; Woo Young Yoon; Sam S. Yoon


Electrochimica Acta | 2017

Stable high-capacity lithium ion battery anodes produced by supersonic spray deposition of hematite nanoparticles and self-healing reduced graphene oxide

Jong Gun Lee; Bhavana N. Joshi; Jong Hyuk Lee; Tae Gun Kim; Do Yeon Kim; Salem S. Al-Deyab; Il Won Seong; Mark T. Swihart; Woo Young Yoon; Sam S. Yoon


Journal of Power Sources | 2017

Morphology control of lithium peroxide using Pd3Co as an additive in aprotic Li-O2 batteries

Sung Man Cho; Jee Ho Yom; Sun Woo Hwang; Il Won Seong; Jiwoong Kim; Sung Ho Cho; Woo Young Yoon


Journal of Alloys and Compounds | 2017

Supersonic cold spraying of titania nanoparticles on reduced graphene oxide for lithium ion battery anodes

Edmund Samuel; Jong Gun Lee; Bhavana N. Joshi; Tae Gun Kim; Min Woo Kim; Il Won Seong; Woo Young Yoon; Sam S. Yoon


Journal of The Electrochemical Society | 2018

Optimization of heat treatment conditions for fabricating pre-lithiated silicon monoxide as an anode material for lithium-ion batteries

Jee Ho Yom; Il Won Seong; Sung Man Cho; Woo Young Yoon

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Mark T. Swihart

State University of New York System

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