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Patents

Method of Recycling Li-Ion Battery (리튬이온 배터리 재활용 방법)

Richard I. Foster, Sungyeol Choi, Wonseok Yang, James T. M. Amphlett

10-3003767

August 7, 2026, Republic of Korea

2026

A Microplasma Electrochemical Method for Spent Li-Ion Battery Cathode Recycling (폐 리튬이온 배터리 캐소드 재활용을 위한 미세플라즈마 전기화학적 방법)

Shuang Liu, Sungyeol Choi, Jihye Park

10-2025-0062334

Pending since January 2, 2026, Republic of Korea (including PCT application)

2026

Electrochemical Sensor for Molten Salt Reactor and Method of Measuring Nuclear Fission Product Concentration using the Same (용융염원자로용 전기화학 센서 및 이를 이용한 핵분열생성물 농도 측정 방법)

Sungyeol Choi, Wonseok Yang, Jihun Kim

10-2955576

April 17, 2026, Republic of Korea

2026

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

10-20250-192927

Pending since December 8, 2025, Republic of Korea

2025

Method for Assessing Characteristics of Colloid-Containing Particulate Materials Originated from Radioactive Waste Disposal Facilities (방사성폐기물 처분시설 내 방사성폐기물 기원 콜로이드 포함 입자성 물질 특성 평가 방법)

Minho Lee, Hyun Gi Byun, Jae Hoon Byun, Hee Kyung Kim, Young Beom Kim, Kyeong Min Lee, Sungyeol Choi, Chong Myung Jin, Su Joeng Lee, Stuart Aberdeen

10-2025-0166667

November 6, 2025, Republic of Korea

2025

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

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

10-2026-0172711

Pending since September 10, 2025, Republic of Korea

2025

Device for Electrochemical Measurement of Molten Salt and Method for the Same (용융염의 전기화학적 측정 장치 및 방법)

Sungyeol Choi, Wonseok Yang, Tag-Gon Kim, Yonadan Choi, Jihun Kim

10-2856627

September 3, 2025, Republic of Korea

2025

Nuclear Power Plant Generated Gas Plasma Spectroscopic Monitoring System (원자력발전소 발생 가스 플라즈마 분광 모니터링 시스템)

Sungyeol Choi, Wonseok Yang, Geunwoo Go, Kyoung-Jae Chung

10-2025-0062800

Pending since May 14 2025, Republic of Korea

2025

Method for Quantifying and Monitoring Impurities Causing Corrosion in Molten Salts (용융염내 부식 유발 불순물 정량 추정 방법)

Sungyeol Choi, Wonseok Yang, Taehoon Park, Jihun Kim, Changheui Jang, Hyeon-Geun Lee, Kunok Chang

10-2025-0011206

Pending since January 24, 2025, Republic of Korea

2025

Method for Selective Recovering of Nickel and Cobalt using Deep Eutectic Solvent-based Ion Exchange Separation (천연공융용매 기반 이온 교환 분리법을 통한 니켈 및 코발트 회수 방법)

Stuart Aberdeen, Sungyeol Choi, Richard I. Foster, Kawngseo Kim

25197224.6

Pending since August 21, 2025, Europe

2025

Method for Selective Recovering of Nickel and Cobalt using Deep Eutectic Solvent-based Ion Exchange Separation (천연공융용매 기반 이온 교환 분리법을 통한 니켈 및 코발트 회수 방법)

Stuart Aberdeen, Sungyeol Choi, Richard I. Foster, Kawngseo Kim

10-2025-0007082

Pending since January 17, 2025, Republic of Korea

2025

System for Estimating Nuclear Material Concentration and Method Thereof (핵물질 농도 추정 시스템 및 그 방법)

Wonseok Yang, Sungyeol Choi, Saehyun Choi, Jihun Kim, Taehoon Park

10-2816192

May 29, 2025, Republic of Korea

2025

System for Estimating Nuclear Material Concentration and Method Thereof (핵물질 농도 추정 시스템 및 그 방법)

Wonseok Yang, Sungyeol Choi, Saehyun Choi, Jihun Kim, Taehoon Park

24215438.3

Pending since September 26, 2024, Europe

2024

System for Estimating Nuclear Material Concentration and Method Thereof (핵물질 농도 추정 시스템 및 그 방법)

Wonseok Yang, Sungyeol Choi, Saehyun Choi, Jihun Kim, Taehoon Park

18/963.707

Pending since November 28, 2024, USA

2024

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

10-2024-0198127

Pending since December 27, 2024, Republic of Korea

2024

Automatic Sampling Device of Molten Salt and Method Thereof (용융염의 자동 샘플링 장치 및 방법)

Sungyeol Choi, Wonseok Yang, Hyeongbin Kim, Richard I. Foster

10-2023-0177464

Pending since December 8, 2023, Republic of Korea

2023

Zirconium Recovery Process and Method for Treating Waste Zirconium (지르코늄 회수 공정 및 폐 지르코늄 처리방법)

Jungho Hur, Jaeyeong Park, Sungyeol Choi

10-2577113

September 6, 2023, Republic of Korea

2023

Pool Scrubbing System for Removing Fine Dust or Radionuclide (미세먼지 또는 방사성 핵종 제거용 풀 스크러빙 시스템)

Wonseok Yang, Minho Lee, James T. M. Amphlett, Sungyeol Choi

10-2549803

June 27, 2023, Republic of Korea

2023

Methods and Devices using Liquid Metal including Bi or Pb or Bi-Pb Alloy for Separating Actinides and Rare Earth Elements in High-level Radioactive Molten Salts from Pyroprocessing (비스무스 또는 비스무스-납 합금 액체금속을 이용하여 파이로 프로세싱에서 발생하는 고준위 방사성 용융염에 포함된 악티늄족원소군(群)과 희토류원소군을 분리하는 방법 및 이를 이용한 분리 장치)

Il Soon Hwang, Sungjune Sohn, Jaeyeong Park, Byunggi Park, Byungchan Han, Sungyeol Choi

10-1693775

January 2, 2017, Republic of Korea

2017

Apparatus for Providing Nuclear Fuel Cycle for Nuclear Power Plant and Method Thereof (원자력발전소의 핵연료주기 제공 방법 및 그 장치)

Sungyeol Choi, Won Il Ko

10-1614020

April 14, 2016, Republic of Korea

2016

Electrolytic Recovery Device (전해 회수 장치)

Kwang-Rag Kim, Jae-Hoo Jung, Seungwoo Paek, Joon-Bo Shim, Tack-Jin Kim, Kweon-ho Kang, Jaeyeong Park, Sungyeol Choi, Il Soon Hwag

10-1428860

August 4, 2014, Republic of Korea

2014

Method for Decontaminating High Level Wastes Arising from High Energy Radiation Facilities to Low-and-Intermediate Level Radioactive Wastes (고에너지 방사선 시설에서 발생하는 고준위 폐기물을 중저준위 폐기물로 정화하는 방법)

Il Soon Hwang, Kun Jai Lee, Byung-Gi Park, Ji Hyun Kim, Kyung Woo Yi, Hyo On Nam, Sungyeol Choi, Judong Bae, Hyo Sook Jung

10-2011-0087907

August 3, 2012, Republic of Korea

2012

Proliferation-Resistant Accident-Tolerant Secure Capsular Autonomous Reactor, PASCAR (핵비확산적 안전ㆍ보안식 자동제어 캡슐형 원자로)

Il Soon Hwang, Chang Hyo Kim, Myung Hyun Kim, Bong Yoo, Han-Gyu Joo, Jun Lim, Dong Yoon Han, Sungyeol Choi, Jaehyun Cho

10-1016710

February 15, 2011, Republic of Korea

2011

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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