Voltage decay and redox asymmetry mitigation by reversible cation migration in lithium-rich layered oxide electrodes

D Eum, B Kim, SJ Kim, H Park, J Wu, SP Cho, G Yoon… - Nature Materials, 2020 - nature.com
Despite the high energy density of lithium-rich layered-oxide electrodes, their real-world
implementation in batteries is hindered by the substantial voltage decay on cycling. This voltage …

Nanoscale phenomena in lithium-ion batteries

…, SJ Kim, WM Seong, D Eum, J Park, B Kim… - Chemical …, 2019 - ACS Publications
The electrochemical properties and performances of lithium-ion batteries are primarily
governed by their constituent electrode materials, whose intrinsic thermodynamic and kinetic …

Spontaneous vortex nanodomain arrays at ferroelectric heterointerfaces

CT Nelson, B Winchester, Y Zhang, SJ Kim… - Nano …, 2011 - ACS Publications
The polarization of the ferroelectric BiFeO 3 sub-jected to different electrical boundary
conditions by heterointerfaces is imaged with atomic resolution using a spherical aberration-…

Immunogenicity and safety of the adjuvanted recombinant zoster vaccine in chronically immunosuppressed adults following renal transplant: a phase 3, randomized …

…, A Sanchez Fructuoso, SJ Kim, S Kim… - Clinical Infectious …, 2020 - academic.oup.com
Background The incidence of herpes zoster is up to 9 times higher in immunosuppressed
solid organ transplant recipients than in the general population. We investigated the …

[HTML][HTML] Tailoring sodium intercalation in graphite for high energy and power sodium ion batteries

…, KY Park, H Park, O Tamwattana, S Joo Kim… - Nature …, 2019 - nature.com
Co-intercalation reactions make graphite as promising anodes for sodium ion batteries,
however, the high redox potentials significantly lower the energy density. Herein, we investigate …

Experimental evidence of ferroelectric negative capacitance in nanoscale heterostructures

A Islam Khan, D Bhowmik, P Yu, S Joo Kim… - Applied Physics …, 2011 - pubs.aip.org
We report a proof-of-concept demonstration of negative capacitance effect in a nanoscale
ferroelectric-dielectric heterostructure. In a bilayer of ferroelectric Pb (Zr 0.2 Ti 0.8) O 3 and …

ZnO/CuO heterojunction branched nanowires for photoelectrochemical hydrogen generation

A Kargar, Y Jing, SJ Kim, CT Riley, X Pan, D Wang - Acs Nano, 2013 - ACS Publications
We report a facile and large-scale fabrication of three-dimensional (3D) ZnO/CuO
heterojunction branched nanowires (b-NWs) and their application as photocathodes for …

Trophic molecules derived from human mesenchymal stem cells enhance survival, function, and angiogenesis of isolated islets after transplantation

KS Park, YS Kim, JH Kim, B Choi, SH Kim… - …, 2010 - journals.lww.com
Background. Mesenchymal stem cells (MSCs), also known as multipotent progenitor cells,
release several factors that support cell survival and enhance wound healing. We …

Coupling structural evolution and oxygen-redox electrochemistry in layered transition metal oxides

D Eum, B Kim, JH Song, H Park, HY Jang, SJ Kim… - Nature Materials, 2022 - nature.com
Lattice oxygen redox offers an unexplored way to access superior electrochemical properties
of transition metal oxides (TMOs) for rechargeable batteries. However, the reaction is often …

Systematic review of challenging issues in pathology of intraductal papillary mucinous neoplasms

…, LAA Brosens, N Fukushima, SM Hong, SJ Kim… - Pancreatology, 2023 - Elsevier
Background /Objectives: Intraductal papillary mucinous neoplasms (IPMNs) are a cystic
precursor to pancreatic cancer. IPMNs deemed clinically to be at high-risk for malignant …