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Nuclear Fuel Cycle & Nonproliferation Lab

Fuel Cycle Chemistry and Nuclear Materials for
Sustainable Nuclear Energy

SNUNFC
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SNUNFC

Welcome to Nuclear Fuel Cycle & Nonproliferation Lab

Sustainable Nuclear Future through Chemistry and Materials Innovation

The SNU Nuclear Fuel Cycle & Nonproliferation Laboratory (SNUNFC) conducts research on molten salt chemistry, nuclear waste storage and disposal, plant water chemistry, material degradation, and nuclear energy and fuel cycle policy. Through experimental studies and multiphysics modeling, we investigate the behavior of nuclear materials and chemical systems across the nuclear fuel cycle, from advanced reactor environments to spent fuel management and geological disposal, supporting the safe and sustainable use of nuclear energy.

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Research Interests

SNUNFC

Molten Salt Chemistry and Material Degradation

SNUNFC

Nuclear Energy and Fuel Cycle Policy

SNUNFC

Nuclear Waste Disposal and Storage

SNUNFC

In-house Computer Codes

SNUNFC

Plant Water Chemistry and Material Degradation

SNUNFC

Equipment and Facilities

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News & Updates

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Publications

Method for Producing Organic Acid from Ethylene Glycol (에틸렌글리콜로부터 유기산을 제조하는 방법)

Stuart Aberdeen, Sungyeol Choi, Richard I. Foster, Pilhyeon Ju

Pending since September 10, 2025, Republic of Korea

2025

Composition for Nickel Alloy with Molten Salt Corrosion Resistance, Nickel Alloy Comprising the Same and Method for Preparing the Same (용융염 내부식성을 갖는 니켈 합금 조성물, 이를 포함하는 니켈 합금 및 이의 제조방법)

Hyeon-Geun Lee, Chaewon Kim, Daejong Kim, Changheui Jang, Sungyeol Choi, Kunok Chang, Hyun Joon Eom, Sumin Kim

Pending since December 27, 2024, Republic of Korea

2024

System and Method for Seasonal-Weekly Electricity Mix Simulation and Power Supply–Demand Scenario Analysis Method Considering Intermittency (간헐성 반영 계절-주간 전력 믹스 시뮬레이션 및 전력 수급 시나리오 분석 방법 및 시스템)

Jong Ho Lee, Pilhyeon Ju, Sungyeol Choi

Pending since December 8, 2025, Republic of Korea

2025

Novel Approach for Predicting High Uranium Concentration in Molten Salt Fuels via Phase Transition Temperature Variation

Wonseok Yang, Taehyoung Kim, Chan-Yong Jung, Han Lim Cha, Saehyun Choi, Taehoon Park, In-Ho Jung, Sang-Eun Bae, Sungyeol Choi*

Journal of Nuclear Materials

2026

SNUNFC
SNUNFC

Department of Nuclear Engineering, Seoul National University

1, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea

Since 2015 Nuclear Fuel Cycle & Nonproliferation Lab. All Rights Reserved.

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