Zhang Xihua | Environmental Engineering | Best Researcher Award

Assoc. Prof. Dr Zhang Xihua | Environmental Engineering | Best Researcher Award

Associate Professor at Shanghai Polytechnic University, china

Dr. Xihua Zhang is a distinguished researcher affiliated with Shanghai Polytechnic University. With an extensive background in materials science and environmental engineering, Dr. Zhang has significantly contributed to the field of lithium-ion battery recycling and sustainable resource management. His research has been instrumental in advancing mechanochemical methods for metal recovery, selective lithium extraction, and sustainable recycling practices. Over the years, he has published numerous high-impact journal articles, demonstrating his expertise and commitment to addressing critical challenges in resource sustainability.

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ORCID

Scopus

Education

Dr. Zhang has a strong academic foundation in materials science and environmental technology. His educational background has equipped him with advanced knowledge in chemical engineering, sustainable material processing, and waste management, which have been pivotal in shaping his research career. Throughout his academic journey, he has developed expertise in mechanochemical and hydrometallurgical processes, focusing on enhancing the efficiency of metal extraction from spent lithium-ion batteries.

Experience

With years of experience in academia and research, Dr. Zhang has collaborated with several leading institutions and experts in the field. His work spans interdisciplinary domains, including energy storage materials, circular economy practices, and green chemistry. He has served as a reviewer for multiple high-impact journals and has contributed to the development of innovative recycling technologies. His research findings have been widely cited, reflecting his influence in advancing environmentally friendly metal recovery processes.

Research Interests

Dr. Zhang’s research interests primarily focus on sustainable materials processing and recycling technologies. His work includes mechanochemical methods for extracting valuable metals from spent lithium-ion batteries, selective recovery of lithium, and environmentally friendly leaching processes. He is also interested in exploring the role of nickel recycling in new energy vehicle industries and the optimization of closed-loop battery recycling methods. His contributions aim to enhance the efficiency and sustainability of battery recycling to support the growing demand for energy storage materials.

Awards

Dr. Zhang has been recognized for his contributions to battery recycling and sustainable resource management. His research has received accolades from academic and industrial communities, reflecting the significance of his work in advancing environmental sustainability. His awards and honors highlight his dedication to pioneering innovative and efficient recycling techniques that align with global efforts to minimize electronic waste and promote a circular economy.

Publication Top Notes

“Mechanism and technological method of leaching metals from waste lithium-ion batteries by synergistic action of natural organic reductants and mechanochemical method” – Published in Separation and Purification Technology, Jan 2025. (Cited: 1)

“Material flow analysis on the critical resources from spent power lithium-ion batteries under the framework of China’s recycling policies” – Published in Waste Management, Nov 2023. (Cited: 6)

“A mechanochemical method for one-step leaching of metals from spent LIBs” – Published in Waste Management, Apr 2023. (Cited: 12)

“Recovery of Li and Co from Spent Li-Ion Batteries by Mechanochemical Integration with NH4Cl” – Published in ACS Sustainable Chemistry & Engineering, May 2022. (Cited: 11)

“Selective Recovery of Lithium from Spent Lithium-ion Batteries Synergized by Carbon and Sulfur Elements” – Published in Acta Chimica Sinica, Aug 2021. (Cited: 5)

“The role of nickel recycling from nickel-bearing batteries on alleviating demand-supply gap in China’s industry of new energy vehicles” – Published in Resources, Conservation and Recycling, Jul 2021. (Cited: 36)

“Recycling of LiNi1/3Co1/3Mn1/3O2 cathode materials from spent lithium-ion batteries using mechanochemical activation and solid-state sintering” – Published in Waste Management, Feb 2019. (Cited: 144)

Conclusion

With a strong publication record, high citation impact, and groundbreaking research in sustainable battery recycling, Dr. Xihua Zhang is a highly deserving candidate for the Best Researcher Award. His work not only advances scientific knowledge but also plays a pivotal role in promoting sustainable and environmentally responsible practices in energy storage and recycling industries

Su Yin Chee | Ecological engineering | Best Researcher Award

Dr. Su Yin Chee | Ecological engineering | Best Researcher Award

Senior Lecturer, Centre for Global Sustainability Studies, Universiti Sains Malaysia, Malaysia

Dr. Chee Su Yin is a Senior Lecturer at Universiti Sains Malaysia (USM), specializing in ecological engineering and coastal sustainability. With over a decade of experience in academia, Dr. Chee has contributed significantly to mangrove ecology, coastal marine environments, and nature-based solutions for environmental challenges. He holds a PhD in Mangrove Ecology from USM, where his research focused on the developmental biology and phylogenetics of Neritidae in Malaysia. Dr. Chee has served as a visiting researcher in Germany and Japan and worked extensively on global sustainability projects. His research is impactful in integrating eco-engineering and sustainable solutions for coastal regions. In addition, Dr. Chee has been involved in numerous national and international sustainability initiatives, contributing his expertise in marine biodiversity and the management of natural resources. He is committed to bridging science, policy, and community actions to address environmental challenges.

Profile

Education

Dr. Chee Su Yin completed his PhD in Mangrove Ecology from Universiti Sains Malaysia (USM) in 2013, under the supervision of Prof. Siti Azizah Mohd Nor. His thesis focused on the developmental biology and phylogenetics of Neritidae, particularly Nerita balteata in Malaysia. Prior to his doctoral studies, Dr. Chee earned an MSc in Biotechnology from USM in 2009, with research on the population genetics of the blood cockle, Anadara granosa. His earlier academic foundation was laid with a BSc in Aquatic Resource Science and Management from Universiti Malaysia Sarawak in 2006, where he studied the habitat characteristics and life cycle of the bamboo shrimp, Atyopsis moluccensis. Throughout his academic journey, Dr. Chee’s work has been deeply connected to environmental science, particularly the ecology of coastal ecosystems, mangrove conservation, and marine sustainability.

Experience

Dr. Chee Su Yin has extensive academic and research experience in the fields of ecological engineering, coastal ecology, and environmental sustainability. He has been a Senior Lecturer at Universiti Sains Malaysia (USM) since 2014, where he conducts groundbreaking research in mangrove health, coastal ecology, and nature-based solutions. Dr. Chee has been a visiting researcher at notable institutions such as the Leibniz Centre for Tropical Marine Research in Germany and the Atmosphere and Ocean Research Institute at the University of Tokyo. Additionally, he worked as a Research Fellow at Sejahtera Forest, Korea in 2024, and has contributed to numerous sustainability projects across Asia. His teaching and research focus on the application of eco-engineering principles to real-world challenges in coastal management. Dr. Chee’s expertise is reflected in his leadership roles in various national and international research initiatives, consulting for industries on marine sustainability, and engaging with communities to promote environmental stewardship.

Awards and Honors 

Dr. Chee Su Yin has received numerous accolades for his outstanding contributions to marine and coastal ecology, sustainability, and environmental research. He was awarded the USM Hadiah Sanjungan in 2021 and 2020 in the category of Journal Publication for his scholarly work. Additionally, he received a Gold Medal and a Special Award from the Haller Pro Inventio Foundation Poland for his innovative Eco-crete project at the Malaysia Technology Expo in 2020. His research fellowships include the Joint NAM S&T Centre – ZMT Bremen Fellowship in Tropical Coastal Marine Ecology in 2014 and 2015, as well as the prestigious Fellowship Award for the International Training Course on “Mangrove Biodiversity and Ecosystems” in Canada. In recognition of his leadership and contributions to research, Dr. Chee was named a Fellow of the Regional Centre of Expertise on Education for Sustainable Development (RCE) in 2024. His dedication to sustainability continues to inspire and drive change in the scientific community.

Research Focus

Dr. Chee Su Yin’s research focuses on ecological engineering, particularly the conservation and restoration of coastal and marine ecosystems. His expertise lies in the sustainability of mangrove forests, a critical habitat for biodiversity and a vital component in the protection of coastal communities from climate impacts. Dr. Chee is deeply involved in exploring nature-based solutions (NbS) to mitigate environmental degradation and enhance ecosystem services. He has worked extensively on the effects of land-use change in coastal regions, seeking ways to balance human development with ecological preservation. His research also investigates the development of artificial marine habitats, such as eco-concrete, and how they can support marine biodiversity. Dr. Chee’s work bridges the gap between scientific research, policy development, and community-based conservation, with the aim of promoting long-term ecological sustainability. His contributions to coastal restoration and climate adaptation efforts highlight the importance of nature in managing and mitigating environmental challenges.

Publication Top Notes

  1. Effects of poly(3-hydroxybutyrate) [P(3HB)] coating on the bacterial communities of artificial structures (2024)
  2. Coastal greening of grey infrastructure: An update on the state of the art (2024)
  3. Malaysia’s progress in achieving the United Nations sustainable development goals (SDGs) through the lens of chemistry (2024)
  4. Blue Carbon Ecosystems in Malaysia – Status, Threats, and the Way Forward for Research and Policy (2024)
  5. Materials and Processes of Eco-concrete Mixtures for Artificial Marine Habitats (2023)
  6. Between the devil and the deep blue sea: Trends, drivers, and impacts of coastal reclamation in Malaysia and way forward (2023)
  7. Artificial Intelligence Policies to Enhance Urban Mobility in Southeast Asia (2022)
  8. An Autonomous Sailboat for Environment Monitoring (2022)
  9. Habitat Complexity Affects the Structure but Not the Diversity of Sessile Communities on Tropical Coastal Infrastructure (2021)
  10. Enhancing Uptake of Nature-Based Solutions for Informing Coastal Sustainable Development Policy and Planning: A Malaysia Case Study (2021)

 

 

Lilian Thomas Momburi | Environmental Engineering | Women Researcher Award

Ms Lilian Thomas Momburi | Environmental Engineering | Women Researcher Award

Student, China three gorges university, China

Lilian Momburi is an emerging researcher and student at China Three Gorges University, specializing in hydraulic and environmental engineering. With a passion for addressing global environmental challenges, Lilian is dedicated to advancing knowledge in water resources management, hydrodynamic modeling, and flood risk assessment. Currently pursuing academic excellence, Lilian has contributed to impactful research projects, including studies on dam safety and flood behavior. Despite being early in her career, she has already co-authored a peer-reviewed journal article that explores the flooding behavior and discharge from Karot Dam in the event of a breach. Lilian’s commitment to both environmental sustainability and engineering innovation positions her as a promising figure in the field of hydraulic engineering.

Profile

Orcid

Strengths for the Award

Lilian Momburi, currently a student at China Three Gorges University, has already demonstrated significant potential in the field of hydraulic and environmental engineering. Her research, “Study of Flooding Behavior and Discharge from Karot Dam in the Event of a Possible Breach by Using the Hydrodynamic Model”, published in Water in October 2024, showcases her ability to tackle complex, real-world issues related to flood risk and dam safety. This research addresses the critical concerns of dam breach scenarios and their potential environmental impacts, an area of vital importance in today’s climate-aware engineering landscape. Her work highlights not only her technical skill in using hydrodynamic models but also her ability to contribute to improving the safety and resilience of large-scale infrastructure systems. With her collaborative work with experts like Changwen Li and Frank N. M. Masami, Lilian has shown promise as an emerging leader in her field.

Areas for Improvement

While Lilian has made an impressive start to her research career, she is still in the early stages of her academic journey. As a student, her research output is currently limited to a single published article. To strengthen her profile for the Best Researcher Award, Lilian should aim to expand her research portfolio with more peer-reviewed publications that demonstrate the depth and breadth of her expertise in hydraulic and environmental engineering. Additionally, it would be beneficial for her to engage in more interdisciplinary research collaborations, integrating her knowledge of hydrodynamics with areas such as sustainable infrastructure design, climate change adaptation, or water resource management. A broader research focus will allow her to reach a wider audience and address a more diverse set of global challenges.

Education 

Lilian Momburi is currently a student at China Three Gorges University in Yichang, China, pursuing a degree in Hydraulic and Environmental Engineering. Her academic journey is focused on mastering key aspects of fluid dynamics, water resources management, and environmental engineering, with a particular emphasis on flood modeling and risk management. Lilian’s educational foundation is built on a strong understanding of both theoretical and practical aspects of engineering, and she is eager to apply this knowledge to real-world challenges in dam safety and water resource sustainability. Through her studies, she is developing expertise in hydrodynamic modeling and the use of computational tools to simulate environmental systems. Her rigorous academic training prepares her to contribute significantly to research that tackles pressing environmental issues, such as flood mitigation, water security, and sustainable infrastructure design.

Experience

As a student at China Three Gorges University, Lilian Momburi is gaining hands-on experience in hydraulic and environmental engineering, focusing on water systems, flood risk, and dam safety. Her research experience includes significant contributions to a project that explores the flooding behavior and discharge dynamics from Karot Dam in the event of a breach. This research is crucial for understanding the potential impacts of dam failures on surrounding communities and environments. Through her academic work, Lilian has become proficient in using hydrodynamic models to assess flood risks and inform mitigation strategies. In addition to her technical skills, Lilian is developing a strong ability to work collaboratively with interdisciplinary teams of engineers, researchers, and environmental experts. Her growing expertise in hydraulic modeling and environmental impact analysis positions her for a successful career in addressing global challenges related to water resources and environmental sustainability.

Awards and Honors 

While Lilian Momburi is still early in her academic career, her work has already been recognized in the field of hydraulic and environmental engineering. She has co-authored a journal article published in the Water journal in October 2024, titled “Study of Flooding Behavior and Discharge from Karot Dam in the Event of a Possible Breach by Using the Hydrodynamic Model”. This publication demonstrates her ability to contribute meaningfully to complex environmental engineering topics. As a student, Lilian has also been involved in various research projects, collaborating with experts in hydrodynamics and environmental safety, which has positioned her as a promising emerging scholar in her field. While she has not yet received formal awards, Lilian’s work and research output indicate a future filled with recognition for her contributions to environmental and hydraulic engineering.

Research Focus 

Lilian Momburi’s research focuses primarily on hydraulic and environmental engineering, with a particular emphasis on flood behavior, dam safety, and water resources management. Her work uses hydrodynamic models to assess the potential impacts of dam failures, focusing on how breaches could lead to catastrophic flooding. By simulating various breach scenarios, Lilian’s research aims to understand the flooding behavior and discharge dynamics from large dams, such as Karot Dam, in order to better prepare for and mitigate risks. Her research is also concerned with improving flood forecasting, environmental impact assessments, and developing safer, more resilient water management systems. In the long term, Lilian is interested in contributing to sustainable water infrastructure design and enhancing the capacity of communities to manage water-related disasters. Her work is at the intersection of engineering, environmental science, and public safety, addressing pressing global challenges in water security and disaster risk reduction.

Publication Top Notes

  • Study of Flooding Behavior and Discharge from Karot Dam in the Event of a Possible Breach by Using the Hydrodynamic Model
    Lilian Momburi, Changwen Li, Frank N. M. Masami, Minglei Ren, Isaac Otoo, Water, 2024-10-14 🌊🔬

Conclusion

Lilian Momburi is a promising young researcher in the field of hydraulic and environmental engineering. Her work on flood modeling and dam safety is timely and highly relevant, particularly as the world faces increasingly complex challenges related to water security and climate change. While her research output is currently modest due to her status as a student, the quality of her work suggests a bright future ahead. With further development of her research portfolio and greater interdisciplinary engagement, Lilian has the potential to emerge as a leading expert in her field. Her passion for addressing environmental risks and her ability to work on impactful, real-world problems position her as a strong contender for the Best Researcher Award in the years to come.

SIMRAN KAUR DHILLON | Chemical and Environmental engineering | Best Researcher Award

Dr SIMRAN KAUR DHILLON | Chemical and Environmental engineering | Best Researcher Award

Postdoctoral Fellow, University of Alberta, Canada

Simran Kaur Dhillon is a dedicated researcher and academic based at the University of Alberta in Edmonton, Canada. With a focus on environmental sustainability and energy generation, she has made significant contributions to the field of microbial fuel cells and electrochemical sensors. Her innovative research combines cutting-edge technology with practical applications, aiming to enhance bioenergy generation and improve environmental monitoring. Dhillon’s work is characterized by her commitment to addressing critical environmental challenges, making her a valuable asset to the scientific community.

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Google Scholar

Scopus

Strengths for the Award

Simran Kaur Dhillon has demonstrated significant contributions to the field of environmental science and bioenergy generation, with a particular focus on microbial fuel cells and electrochemical sensors. With 9 publications and a commendable citation count of 98, her research has made a measurable impact in her area of expertise. Dhillon’s work on innovative materials for enhancing the efficiency of microbial fuel cells showcases her ability to blend theoretical knowledge with practical applications. Furthermore, her recent publications in high-impact journals indicate her active engagement in cutting-edge research. Her collaborative spirit, evidenced by her numerous co-authored papers, reflects a commitment to advancing collective scientific knowledge.

Areas for Improvement

While Dhillon’s publication record is impressive, expanding her research scope to include more interdisciplinary studies could further enhance her impact. Additionally, increasing her outreach through presentations at more international conferences could elevate her visibility in the global research community. Engaging with more public-facing science communication initiatives would also help disseminate her findings beyond academic circles, fostering broader community awareness of her work.

Education

Simran Kaur Dhillon completed her undergraduate studies in Chemical Engineering at a prestigious institution, followed by a Master’s degree in Environmental Engineering. She is currently pursuing her Ph.D. at the University of Alberta, where her research centers on developing advanced materials for microbial fuel cells and their applications in renewable energy. Her educational background has provided her with a solid foundation in both theoretical knowledge and practical skills, enabling her to excel in her research endeavors.

Experience

Dhillon has gained extensive research experience through various academic and industry collaborations. She has worked on several projects focused on enhancing the efficiency of microbial fuel cells using innovative materials and methodologies. Her roles have included conducting experiments, analyzing data, and publishing her findings in reputable journals. In addition to her research, she is actively involved in mentoring undergraduate students and collaborating with peers on interdisciplinary projects, further enriching her professional experience.

Awards and Honors

Throughout her academic career, Simran Kaur Dhillon has received multiple awards and honors recognizing her outstanding research contributions. She was awarded a graduate research scholarship from the University of Alberta and received recognition for her publications in high-impact journals. Additionally, Dhillon has been invited to present her work at various national and international conferences, showcasing her commitment to advancing knowledge in her field.

Research Focus

Simran Kaur Dhillon’s research primarily focuses on microbial fuel cells, electrochemical sensors, and sustainable energy solutions. She investigates innovative materials to improve the efficiency and performance of bioenergy generation systems. Her work also explores the application of these technologies in environmental monitoring, particularly in detecting pollutants and enhancing water quality. Through her research, Dhillon aims to contribute to the development of sustainable energy solutions that address global environmental challenges.

Publication Top Notes

  1. Detecting naphthenic acids in oil sands process water with microbial electrochemical sensor: Impact of inoculum sources and quorum sensing autoinducer 🌊🔬
  2. Endothelial Cell-Derived Soluble CD200 Determines the Ability of Immune Cells to Cross the Blood–Brain Barrier 🧠💉
  3. Transition metal sulfide/oxide nanoflowers decorated on poly (aniline-2-sulfonic acid) modified polyacrylamide derived carbon cathode catalyst for bioenergy generation in microbial fuel cells ⚡🌱
  4. Functionalised graphite felt anodes for enhanced power generation in membrane-less soil microbial fuel cells 🌍⚙️
  5. Copper nanoparticles embedded in polyaniline derived nitrogen-doped carbon as electrocatalyst for bio-energy generation in microbial fuel cells 🔋🍃
  6. Magnesium Cobaltite Embedded in Corncob-Derived Nitrogen-Doped Carbon as a Cathode Catalyst for Power Generation in Microbial Fuel Cells 💡🌽
  7. 1-D semiconducting TiO2 nanotubes supported efficient bimetallic Co-Ni cathode catalysts for power generation in single-chambered air-breathing microbial fuel cells 🧪🔋
  8. Development of polypyrrole nanotube coated with chitosan and nickel oxide as a biocompatible anode to enhance the power generation in microbial fuel cell 🌱🔋
  9. Polyaniline interweaved iron embedded in urea–formaldehyde resin-based carbon as a cost-effective catalyst for power generation in microbial fuel cell 🌿⚙️

Conclusion

In conclusion, Simran Kaur Dhillon is a strong candidate for the Research for Best Researcher Award due to her innovative contributions to environmental research, her active participation in scientific discourse, and her collaborative approach. By addressing areas for improvement, she can further amplify her impact in the field, making her a promising choice for recognition in this competitive arena. Her research not only advances scientific understanding but also contributes to sustainable solutions for pressing environmental challenges.

Yi Yan – Environmental Engineering – Best Researcher Award

Yi Yan - Environmental Engineering - Best Researcher Award

Shandongjianzhu University - China

AUTHOR PROFILE

SCOPUS

EDUCATION AND ACADEMIC ACHIEVEMENTS

Dr. Yi Yan, a distinguished scholar, is currently a teacher at Shandong Jianzhu University. He has played a pivotal role in advancing scientific knowledge by presiding over and participating in four projects funded by the National Natural Science Foundation of China (NSFC). His academic prowess is further evidenced by his contribution to more than ten SCI and EI papers in the past five years, alongside authorizing over ten national invention patents. Dr. Yan is highly regarded in the academic community, serving as an evaluation expert for the NSFC and as a reviewer for top international and domestic journals, including Applied Energy and Energy and Building.

RESEARCH AND DEVELOPMENT CONTRIBUTIONS

Dr. Yan's primary research focus is on the marketization of distributed integrated energy systems and operation optimization. His innovative work includes constructing a market participation method for multilayer community integrated energy systems. By addressing multiple types of energy subjects in an independent source-load-storage-station framework through a multilayer game model, Dr. Yan has broken the bottleneck of independent market participation for energy storage subjects. His research emphasizes fairness in market-based energy systems, paving the way for more equitable and effective energy system market participation.

INNOVATIVE APPROACHES

Dr. Yan's research has introduced groundbreaking methods to enhance the efficiency and fairness of energy systems. His work on multilayer game models and market participation methods stands out as a significant contribution to the field. These innovations not only optimize energy systems operations but also ensure a more balanced and fair market environment for all energy stakeholders.

IMPACTFUL PUBLICATIONS

Dr. Yan has a robust portfolio of impactful publications in top-tier journals. His research findings have been published in renowned journals such as Applied Energy and Energy, showcasing his commitment to advancing the field of energy systems. These publications highlight the practical implications of his research and its potential to transform energy markets.

EXTENSION ACTIVITIES AND COMMUNITY ENGAGEMENT

Beyond his research, Dr. Yan is actively involved in extension activities that bridge the gap between academia and industry. His engagement in State Grid's scientific and technological projects underscores his dedication to applying research findings to real-world challenges. Through these activities, Dr. Yan contributes to the development of practical solutions that enhance the performance and sustainability of energy systems.

TECHNICAL SKILLS AND EXPERTISE

Dr. Yan's expertise extends to various technical skills essential for energy systems research and development. His proficiency in modeling, simulation, and optimization techniques enables him to tackle complex problems and develop innovative solutions. These skills are crucial for advancing the efficiency and sustainability of integrated energy systems.

FUTURE DIRECTIONS AND GOALS

Looking ahead, Dr. Yan aims to continue his research on optimizing energy systems and enhancing market participation fairness. His future work will likely focus on developing new models and methods to further improve the performance and equity of energy markets. Dr. Yan's commitment to innovation and excellence ensures that his contributions will remain impactful and relevant in the evolving field of energy systems.

NOTABLE PUBLICATION

  • Multi-layer Game Theory Based Operation Optimisation of ICES Considering Improved Independent Market Participant Models and Dedicated Distributed Algorithms
    • Authors: Yan, Y., Liu, M., Tian, C., Li, J., Li, K.
    • Year: 2024
    • Article: 123691
  • Transfer Learning Based Hybrid Model for Power Demand Prediction of Large-scale Electric Vehicles
    • Authors: Tian, C., Liu, Y., Zhang, G., Yan, Y., Li, C.
    • Year: 2024
    • Article: 131461
  • Improved YOLOv8-GD Deep Learning Model for Defect Detection in Electroluminescence Images of Solar Photovoltaic Modules
    • Authors: Cao, Y., Pang, D., Zhao, Q., Wang, F., Li, J.
    • Year: 2024
    • Journal: Engineering Applications of Artificial Intelligence
    • Article: 107866
  • Joint Forecasting of Source-load-price for Integrated Energy System Based on Multi-task Learning and Hybrid Attention Mechanism
    • Authors: Li, K., Mu, Y., Yang, F., Yan, Y., Zhang, C.
    • Year: 2024
    • Journal: Applied Energy
    • Article: 122821
  • Distributed Low-carbon Operational Optimization Model of an Integrated Energy System Based on Ladder Carbon Trading and Integrated Demand Response
    • Authors: Yan, Y., Liu, M., Li, S., Li, K., Wang, X.
    • Year: 2024
    • Journal: International Journal of Green Energy
    • Pages: 1324-1344