•  06.2009 - 06.2012  Undergraduate student, Government Science College, Chitradurga. Davangere University, Karnataka, India

• 07.2012 - 06-2014  Master student, Department of Chemistry, Davangere university, Karnataka, India

• 06.2016 - 07.2018  Graduate teacher training (Bachelor of Education), Gulbarga University, Karnataka, India

• 01.2020 - 03.2025 Doctoral student, Physical and materials chemistry division, CSIR-National Chemical Laboratory, Academy of Scientific and Innovative Research, Maharashtra, India

• 07.2025 - present Post doctoral researcher, Department of Mechanical Engineering, Gyeongsang National University, South Korea

Research Interests

• Lithium-ion batteries, All solid-state batteries manufacturing process.

• Mixing process for wet and dry battery electrode manufacturing.

• Semi dry electrode processing for secondary battery manufacturing.

• Electrochemical energy storage devices.

Publications

• Purnima Rawat, Shivamurthy B. P․, Vaibhav J. Patil, Nayaka G. P*, Waste-to-sensor: Repurposing spent Li-ion battery graphite into reduced graphene oxide for electrochemical detection of ascorbic acid, Resources, Conservation and Recycling, volume 225, 15 January 2026, 108610.

• BP Shivamurthy, Purnima Rawat, Zhongren Zhou, MV Shelke, GP Nayaka*, Restoration of Degraded Spinel Structure from Spent Li-Ion Battery Cathodes towards Reclaiming for Second Life. ACS Sustainable Resour. Manage. 2025, 2025, 2, 3,554–563.

• Akash Yadav, Ratnesh Jha, A Bhatkar, Aditi Kamble, BP Shivamurthy, GP Nayaka. An effective, facile and rapid synthesis of nanosized Mn3O4 using a microwave route, J Nanopart Res (2024) 26:239

• BP Shivamurthy, M Thripuranthaka, MV Shelke, GP Nayaka*, Influence of crystal plane orientation in enhancing the electrochemical performance of tri-cation substituted cathode for Li-ion batteries, Energy Fuels, 2024, 38, 5, 4653–4665.

• BP Shivamurthy, Swapnali Kirdant, Sudip Katakam, Purnima Rawat, Vrushali H Jadhav* and GP Nayaka*, Performance scrutiny of Spent Lithium-Ion Batteries cathode material as a catalyst for the oxidation of Benzyl Alcohol, Next Sustainability, 3, 2024, 100017.

• BP Shivamurthy, GP Nayaka*, G Santhosh Performance Analysis of Regenerated rGO Electrodes from Spent Li-ion Battery Anodes for Secondary Energy Device Applications, Energy & Fuels, 37 (4), 3188–3195, 2023.

• BP Shivamurthy, M Thripuranthaka, MV Shelke, GP Nayaka*, Formation of the Secondary Phase Domain by Multi-Cation Substitution for the Superior Electrochemical Performance of Spinel Cathodes for High-Voltage Li-Ion Batteries, ACS Applied Energy Materials 5 (12), 15345-15355, 2022.

Conferences

Patents

• 03.2016 - 02.2022  Undergraduate Student, Department of Mechanical Engineering, Gyeongsang National University, South Korea

• 03.2022 - 02.2024  Master Student, Department of Mechanical Engineering, Gyeongsang National University, South Korea

• 03.2024 - present  Doctor Student, Department of Mechanical Engineering, Gyeongsang National University, South Korea

Research Interests

• Secondary batteries (lithium-ion batteries, All solid-state batteries) manufacturing process

• Industrial fluid mixing and dispersion techniques

• Rheological measurement of complex fluids (Polymers, suspensions, emulsion, etc.)

• Viscoelastic fluids identification: numerical simulations/theoretical predictions

Publications

• H.D. You, H.W. Choi, W.R. Hwang, "Identification of viscoelastic properties in non-rheometric flows by two-dimensional viscoelastic simulations with a rotating object," Physics of Fluids, 38 (2), 023111 (Febuary 2026).

• 유현동, 최현우, 이병민, 김한성, 황욱렬 (2024) " 이차전지 슬러리용 파일럿 점도 모니터링 시스템 개발 및 검증," 대한기계학회 논문집B권, 48(3), p.203-210. 대한기계학회논문집 B권 2024년 우수논문 선정

Conferences

• 유현동, 안혜진, 황욱렬 "공정 조건에 따른 리튬이온 배터리 양극 슬러리의 입도 분포와 유변학적 특성 간 상관관계" 한국유변학회 추계학술발표회, 2025년 11월 14일, 제주 오리엔탈호텔

• H.D. You, Hye Jin Ahn and W.R.Hwang (2025) "Correlations between particle size distribution and rheology of cathode slurries in LIB with process conditions" The 9th Asia-Pacific Rim Conference on Rheology (A-PRCR2025), Kobe, Japan, Jul.

• H.D. You, X. Gao and W.R.Hwang (2024) "Measurement of viscoelastic properties using a rotating object: 2D numerical simulations" The Society of Rheology 95th Annual Meeting, Austin Texas, USA, Oct.

• 유현동, 가오 쉐쓰, 황욱렬 "점탄성 특성 측정을 위한 2차원 회전체 형상의 점탄성 유동 수치해석" 제 13회 한국유체공학학술대회, 2024년 7월 26일, 대전컨벤션센터(DCC)

• H.D. You, X. Gao and W.R.Hwang (2024) "Viscoelastic flow simulations for viscoelastic identification with a 2D rotating object" The 17th International Workshop for East Asian Young Rheologists(IWEAYR-17), Busan, Korea, Jan.

• H.D. You, X. Gao and W.R.Hwang (2023) "Viscoelastic identification with 2D viscoelastic flow simulations using a rotating object" Proceedings of the 16th International Symposium on Mechanics, Aerospace and Informatics Engineering 2023, Jinju, Korea, Nov.

• H.D. You, X. Gao and W.R.Hwang (2023) "Identification of viscoelastic properties using a 2D model impeller with viscoelastic flow simulations" XIXth International Congress on Rheology, Athens, Greece, Jul.-Aug.

• 유현동, 차이솔, 황욱렬 "회전체를 이용한 점탄성 측정: 2 차원 점탄성 유동 수치해석," 대한기계학회 춘추학술대회, 2023년 7월 14일, 라마다프라자호텔 제주

• 유현동, 가오 쉐쓰, 황욱렬 "2D numerical simulations of viscoelastic identification with a rotating object" 한국유변학회 춘계학술발표회, 2023년 4월 27일, 서울대 호암교수회관 컨벤션센터

Patents

• 03.2017 - 02.2023  Undergraduate Student, Department of Mechanical Engineering , Gyeongsang National University, South Korea

• 03.2023 - 02.2025  Master Student, Department of Mechanical Engineering , Gyeongsang National University, South Korea

• 03.2025 - present  Doctor Student, Department of Mechanical Engineering , Gyeongsang National University, South Korea

• 03.2023 - present  Master and doctor integration Student, Department of Mechanical Engineering, Gyeongsang National University, South Korea

Research Interests

• Quantitative mixing for battery manufacturing (wet & dry): physics-based flow modeling, numerical simulation, and data-driven prediction of dispersion/blend quality.

• Pressure-driven oscillatory rheometry: flow modeling and simulation, theoretical prediction of complex modulus 𝐺^∗(𝐺′,𝐺′′), and development of accurate sinusoidal flow generation.

• PTFE fibrillation in dry electrodes (powder rheology): quantification via shear-cell flowability, compressibility, and wall-friction metrics; development of process–quality indicators.

• Powder-rheology-based hopper & feeder design: shear-cell metrics to resolve ratholing/arching and optimize screw feeder performance.

• Continuous twin-screw processing: theoretical prediction and experimental validation of wet-process conditions, RTD modeling, CFD/experimental screw-element characterization, and prediction of mixing/dispersion efficiency.

• Swirl-element design for subsea separation systems: Eulerian multiphase CFD and swirl-flow quantification theory; Energy dissipation rate-based system characteristic-curve development.

• Electrochemical performance linkage (LFP/NCM/graphite): correlating cell fabrication and process conditions with EIS/performance outcomes.

Publications

• M. K. Kim, T. Yu, S. Jang, J. Lee, M. Jang, H. Oh, H. Cha, H. Lee, J. Kang, S. M. Lee, H. Shim, K. H. Lee, G. Song, W. Jin, T. H. Kim, K. M. Jeong, J. T. Han, J. K. Yoo, S. Song, M. Park, J. Seong, D. Kim, H.W. Choi, M.J. Seong, M. J. Lim, W. R. Hwang, J. Nam, S. Jo, J. Kim, S. P. Administrator, "Fluorine-Free Paraffin Binder-Based Dry Thick Electrodes Toward Sustainable and Efficient Battery Manufacturing." Joule, 35 page, (September 2024)

Conferences

• 성민종, 임민진, 황욱렬 "통계적 지표를 활용한 고고형분 음극 슬러리의 품질 평가: 왜도 및 첨도 기반 분석" 한국유변학회 추계학술발표회, 2025년 11월 14일, 제주 오리엔탈호텔

• M.J. Seong, X. Gao, H.W. Choi, M.J. Lim and W.R. Hwang  (2025) "Theory and Experimental Analysis of Twin-Screw Process Conditions" The 9th Asia-Pacific Rim Conference on Rheology (A-PRCR2025), Kobe, Japan, Jul. 

• M.J. Seong, W.R. Hwang  (2024) "Measurement of viscoelastic property of a liquid in a pressure-driven flow by flow rate fluctuation" The Society of Rheology 95th Annual Meeting, Austin Texas, USA, Oct.

• 성민종, 황욱렬 "변동 유량에 따른 압력 구동 흐름에서 유체의 점탄성 측정" 제 13회 한국유체공학학술대회, 2024년 7월 26일, 대전컨벤션센터M. K. Kim, T. Yu, S. Jang, J. Lee, M. Jang, H. Oh, H. Cha, H. Lee, J. Kang, S. M. Lee, H. Shim, K. H. Lee, G. Song, W. Jin, T. H. Kim, K. M. Jeong, J. T. Han, J. K. Yoo, S. Song, M. Park, J. Seong, D. Kim, H.W. Choi, M.J. Seong, M. J. Lim, W. R. Hwang, J. Nam, S. Jo, J. Kim, S. P. Administrator, "Fluorine-Free Paraffin Binder-Based Dry Thick Electrodes Toward Sustainable and Efficient Battery Manufacturing." Joule, 35 page, (September 2024)

• M.J. Seong, H.J. Ahn, B.J. Park, S.B.Lee and W.R. Hwang (2024) "Correlation particle size and rheology with process conditions" The 17th International Workshop for East Asian Young Rheologists(IWEAYR-17), Busan, Korea, Jan.

• M.J. Seong, H.J. Ahn, S.B.Lee and W.R. Hwang  (2023) "Viscoelastic identification with 2D viscoelastic flow simulations using a rotating object" Proceedings of the 16th International Symposium on Mechanics, Aerospace and Informatics Engineering 2023, Jinju, Korea, Nov.

• M.J. Seong, H.J. Ahn and W.R. Hwang (2023) " Bridging particle size, rheological properties and process conditions of functional slurries for electromagnetic shielding and enhanced heat transfer" XIXth International Congress on Rheology, Athens, Greece, Jul.-Aug.

• 성민종, 안혜진, 박병진, 이상복, 황욱렬 "흡수∙차폐∙방열 컴파운드 슬러리의 입도/공정조건/유변물성 상관관계," 대한기계학회 플랜트부문 춘계학술대회, 2023년 7월 14일, 라마다프라자호텔 제주

Patents

• 09.2018 - 09.2023  Undergraduate Student, School of Mechanical Engineering , Hanoi University of Science and Technology, Vietnam.

• 04.2022 - 02.2024  Software Developer, FPT Software Company, Vietnam.

• 04.2024 - present  Combined Master - PhD Student, Department of Mechanical Engineering , Gyeongsang National University, South Korea.

Research Interests

• DEM Simulation Method in Granular Materials, Dry Mixing, Dry coating, and Dispersion, Flowability, and Geometry Design.

• Numerical simulation of flow in blade-free planetary mixers: free surface evolution, flow dynamical structure, mixing performance, and dispersion.

Conferences

• Nguyen Huu Khai, W.R.Hwang (2025) "DEM method in electrode industrial applications" The 13th Korea-Australia Rheology Conference 2025, Jeju, Korea, Nov.

• Nguyen, D. T., Nguyen, K. H., & Pham, V.-S. (2022). The Modeling of Ion-Selective Membrane. In The AUN/SEED-Net Joint Regional Conference in Transportation, Energy, and Mechanical Manufacturing Engineering (pp. 424–436). Springer Nature Singapore. https://doi.org/10.1007/978-981-19-1968-8_34.

• Nguyen, K. H., Vu, T. X., Thi Thai, L., & Pham, V.-S. (2022). A Study on Forced-Air Thermal Dissipation in Lithium-Ion Batteries Using Numerical Method. In The AUN/SEED-Net Joint Regional Conference in Transportation, Energy, and Mechanical Manufacturing Engineering (pp. 1064–1079). Springer Nature Singapore. https://doi.org/10.1007/978-981-19-1968-8_90.

Publications

• 03.2021 - 02.2025 Undergraduate Student, Department of Mechanical Engineering , Gyeongsang National University, South Korea

• 03.2025 -  present Master Student, Department of Mechanical Engineering , Gyeongsang National University, South Korea

Research Interests

Publications

Conferences