Sooyeon Hwang
Electron Microscopy, Center for Functional Nanomaterials

Brookhaven National Laboratory
Center for Functional Nanomaterials
Bldg. 735
P.O. Box 5000
Upton, NY 11973-5000
(631) 344-6247
soohwang@bnl.gov
Expertise | Research | Education | Appointments | Highlights
Expertise
- High Resolution Scanning / Transmission Electron Microscopy (S/TEM)
- In-situ / Operando TEM
- Electron Energy Loss Spectroscopy (EELS)
- Electron X-ray Dispersive Spectroscopy (EDX)
Research Activities
My research aims describing specific mechanisms of electrochemical reactions and degradation of electrode materials using ex-situ and in-situ transmission electron microscopy. Particular interest includes real-time observation, and structural and chemical characterizations. Fundamental understandings on energy storage materials at the nano scale will provide valuable insights on designing novel materials with excellent performance.
Education
- B.S.: Ajou University, Republic of Korea
- Major: Material Science and Engineering
- M.S.: KAIST (Korea Advanced Institute of Science and Technology), Republic of Korea
- Major: Material Science and Engineering
- PhD: KAIST (Korea Advanced Institute of Science and Technology), Republic of Korea
- Major: Material Science and Engineering
- Dissertation Title: Investigating Local Degradation and Thermal Stability of Cathode Materials for Lithium Ion Batteries by Electron Microscopy
Professional Appointments
- Postdoctoral Research: Korea Institute of Science and Technology (KIST)
- Center for Energy Convergence
- Project: A Study on the Reaction and Degradation Mechanism of Electrode Materials for Next-Generation Secondary Batteries using In Situ TEM Analysis Techniques
- Postdoctoral Research Associate: Brookhaven National Laboratory (BNL)
- Center for Functional Nanomaterials
- Project: in situ analysis of energy-related materials
Research Highlights
BNL press release
- Connecting the Dots Between Material Properties and Qubit Performance
- Tracking Pileups on Battery Charging Route to Drive Performance
- Finding the Cause of Capacity Loss in a Metal-Oxide Battery Material
- Tripling the Energy Storage of Lithium-Ion Batteries
- Tracking Heat-Driven Decay in Leading Electric Vehicle Batteries
CFN Research Highlights
- Learning from Pileups in Li-Ion Batteries
- Platinum-free Nanocatalysts Provide a Fuel Cell Boost
- Manganese Nanocatalysts Provide a Fuel Cell Boost
- Observing the Obstacles Underlying Battery Capacity Fade
- Tripling the Energy Storage of Lithium-Ion Batteries
- Super-stable Platinum-alloy/Graphene-tube Catalysts
- Tripod Nanocatalysts Support Faster Fuel Cell Reactions

Brookhaven National Laboratory
Center for Functional Nanomaterials
Bldg. 735
P.O. Box 5000
Upton, NY 11973-5000
(631) 344-6247
soohwang@bnl.gov