Hyun‐Woo Shim
YOU?
Author Swipe
View article: Monolithically‐Integrated van der Waals Synaptic Memory via Bulk Nano‐Crystallization
Monolithically‐Integrated van der Waals Synaptic Memory via Bulk Nano‐Crystallization Open
Owing to the evolution of data‐driven technologies, including the large language models, generative artificial intelligence, autonomous driving, and the internet of things requires advanced memory technology. However, conventional memory d…
View article: Continuous Solvent Extraction Using Versatic Acid 10 for the Production of High-Purity Nickel Sulfate
Continuous Solvent Extraction Using Versatic Acid 10 for the Production of High-Purity Nickel Sulfate Open
View article: Enhanced visible-light photocatalytic activity of N-doped C/Na2Ti6O13/TiO2 hollow spheres for efficient dye degradation
Enhanced visible-light photocatalytic activity of N-doped C/Na2Ti6O13/TiO2 hollow spheres for efficient dye degradation Open
Doping and hybridization with other semiconductors are highly effective ways to address the limitations, including their weak response to visible light and significant recombination of photogenerated carriers. In addition, the assisted car…
View article: Facile Synthesis and Li-Electroactivity of Cobalt Oxide Based on Resources Recovered from Waste Lithium-Ion Batteries
Facile Synthesis and Li-Electroactivity of Cobalt Oxide Based on Resources Recovered from Waste Lithium-Ion Batteries Open
In this study, cobalt oxide (Co3O4) powder was prepared by simple precipitation and heat-treatment process of cobalt sulfate that is recovered from waste lithium-ion batteries (LIBs), and the effect of heat-treatment on surface properties …
View article: Enhanced Visible-Light Photocatalytic Activity of N-Doped C/Na2ti6o13/Tio2 Hollow Spheres for Efficient Dye Degradation
Enhanced Visible-Light Photocatalytic Activity of N-Doped C/Na2ti6o13/Tio2 Hollow Spheres for Efficient Dye Degradation Open
View article: Enhanced Visible-Light Photocatalytic Activity of N-Doped C/Na2ti6o13/Tio2 Hollow Spheres for Efficient Dye Degradation
Enhanced Visible-Light Photocatalytic Activity of N-Doped C/Na2ti6o13/Tio2 Hollow Spheres for Efficient Dye Degradation Open
View article: Enhanced Visible-Light Photocatalytic Activity of N-Doped C/Na2ti6o13/Tio2 Hollow Spheres for Efficient Dye Degradation
Enhanced Visible-Light Photocatalytic Activity of N-Doped C/Na2ti6o13/Tio2 Hollow Spheres for Efficient Dye Degradation Open
View article: The Effect of Bi and Zn Additives on Sn-Ag-Cu Lead-Free Solder Alloys for Ag Reduction
The Effect of Bi and Zn Additives on Sn-Ag-Cu Lead-Free Solder Alloys for Ag Reduction Open
This study aimed to investigate the effects of the addition of Bi and Zn on the mechanical properties of Sn-Ag-Cu lead-free alloy frequently used as a soldering material in the semiconductor packaging process. To reduce the Ag content of t…
View article: A Study on the Synthesis Behavior of Lithium Hydroxide by Type of Precipitant for Lithium Sulfate Recovered from Waste LIB
A Study on the Synthesis Behavior of Lithium Hydroxide by Type of Precipitant for Lithium Sulfate Recovered from Waste LIB Open
본 연구에서는 알칼리성 침전제 종류 따라 제조되는 수산화리튬 결정화 정도 확인을 위해 폐리튬이차전지로부터 회수된 황산리튬을 원료로 사용하여 수산화리튬 제조 거동을 확인하였다. 황산리튬의 리튬염 전구체에 포함되어 있는 불순물 제거 및 높은 수산화리튬 합성 효율을 위해 2차 침전법인 Double replacement reaction(DRR) 공정을 사용하였으며, 결정성 높은 수산화리튬 제조를 위하여 알칼리성 침전제(KOH, Ca…
View article: Facile Synthesis of Single-Phase Alpha-Tungsten Nanopowders from Ammonium Paratungstate by RF Induction Thermal Plasma and Thermochemical Reduction
Facile Synthesis of Single-Phase Alpha-Tungsten Nanopowders from Ammonium Paratungstate by RF Induction Thermal Plasma and Thermochemical Reduction Open
Facile, economic methods of preparing tungsten (W) nanopowder are critically needed to meet industrial demand. Herein, we report a method of preparing single-phase alpha-W (α-W) nanopowders using ammonium paratungstate (APT) as a starting …
View article: A Method of Synthesizing Lithium Hydroxide Nanoparticles Using Lithium Sulfate from Spent Batteries by 2-Step Precipitation Method
A Method of Synthesizing Lithium Hydroxide Nanoparticles Using Lithium Sulfate from Spent Batteries by 2-Step Precipitation Method Open
In this work, LiOH was synthesized using highly soluble Li2SO4. To enhance efficiency, this synthesis was performed using the precipitation method, and the correlation between each experimental condition and the synthesis of LiOH was inves…
View article: Recovery of Rare Earth Oxide from Waste NiMH Batteries by Simple Wet Chemical Valorization Process
Recovery of Rare Earth Oxide from Waste NiMH Batteries by Simple Wet Chemical Valorization Process Open
Nickel metal hydride (NiMH) batteries contain a significant amount of rare earth metals (REMs) such as Ce, La, and Nd, which are critical to the supply chain. Recovery of these metals from waste NiMH batteries can be a potential secondary …
View article: A study on recovery of rare earth oxide powders from waste NiMH batteries
A study on recovery of rare earth oxide powders from waste NiMH batteries Open
View article: A study on the synthesis of lanthanum oxide (La2O3) from NaLa(SO4)2 · H2O by metathesis reaction
A study on the synthesis of lanthanum oxide (La2O3) from NaLa(SO4)2 · H2O by metathesis reaction Open