Research Field
Principle and methodology of comprehensive cascaded utilization of energy; Mechanism of multi-energy hybridization and system integration; Efficient utilization of waste heat and low-carbon technologies.
Team Building
The laboratory currently has 16 researchers, including 6 senior researchers and 5 associate senior researchers, with more than 60 graduate students (including those in joint programs).
Project and Major Achievement
The laboratory has 20 ongoing projects and secures 7 new projects, including 1 National Natural Science Foundation of China (NSFC) Basic Science Center (with renewal funding), 2 programs and 1 project under the National Key R&D Program, 1 NSFC General Program and 2 NSFC Youth Programs.
In the research direction of the principle and methodology of comprehensive cascaded utilization of energy, the design and demonstration project of the first MW modular distributed energy system prototype was completed. 5°C-8°C efficient composite phase-change cold storage materials was prepared and passed 5000+ cycle stability tests, and the pilot production line construction was launched.
In technology transformation, the lab implemented the commercialization of the hundred-kW-level green energy smart storage heating technology in Sinopec Shengli Oilfield and the combined cold, heat, steam, electricity, and storage one-stop supply technology in Dongguan Biotechnology Industry Park.
To address the challenge of difficult integration of renewable energy, the lab proposed a new near-zero CO2 emission hydrogen production method combining solar energy and natural gas, with the hydrogen production efficiency improved by 5.5 percentage points compared with traditional hydrogen production systems. The feasibility of deep coupling between electrochemical and thermochemical processes via CO2-mediated oxygen collection was verified through high-temperature electrolysis experiments.
The technical scheme of renewable energy-driven waste heat ultra-hightemperature heat pump system was proposed, which can produce high temperature steam of 260°C-300°C, with heating energy efficiency coefficient ≥1.5, and the temperature rise of waste heat ≥100°C. The lab carried out the thermodynamic parameter optimization of the waste heat ultra-high temperature heat pump system, the dynamic design of the rotor in the core compressor unit of the heat pump system, the configuration design and offdesign performance analysis of the compressor and expansion impeller, and completed the entire structural design of the core compressor unit of the heat pump system.
In the research direction of the mechanism of multi-energy hybridization and system integration, continuous and stable operation has been achieved for the 1 Nm³/h-scale water-based chemical looping hydrogen production and CO2 capture prototype, along with successful variable condition testing, providing essential core data for process design. Based on the experimental results from the prototype, the conceptual design for a 350 Nm³/h demonstration unit has been finalized. Through the application of an innovative solar thermochemical three-step cycle method, a Fe-doped manganese oxide cyclic
material was developed, which reduces the hydrogen production temperature by 600°C–700°C compared with conventional thermochemical water splitting. Based on the world’s first MW-level multi-energy complementary distributed energy system demonstration project, the large-scale solar-to-fuel conversion performance tests were conducted and achieved an efficiency of 60%, acquiring a global leader position in the field.
Based on the original theory and method of sequential separation-driven reforming of thermochemical reactions, a medium temperature (400°C–600°C) natural gas hydrogen production and decarbonization synergistic conversion pilot (5–10 Nm3/h) has been developed. The hydrogen production temperature was remarkably reduced by 400°C–600°C as compared with that of traditional technology of hydrogen production (via natural gas), and CO2 emission was reduced by more than 90%. The research in this direction was funded by the National Key R&D Program Project “Design Theory and Control Method of High Proportion Renewable Energy Distributed Energy System”, and will promote the industrial-park demonstration of a MW-level solar complementary distributed energy system based on this method and pilot.
In the research direction of low-carbon technologies, to contribute to the 350 Nm³/h water-based chemical looping demonstration, the lab designed and produced oxygen carrier particles with high mechanical strength, redox reactivity, and long-term stability on a 100-kg scale, maintaining stable performance over 1000 redox cycles. By mechanistic studies, the synergy and interaction between the oxygen carrier and the active support was revealed. The Ni-Fe bimetallic formulation was shown to increase the nucleation site density and crystal growth rates, thereby promoting gas-solid interfacial redox kinetics. The process design for scalable batch synthesis was successfully completed.
The lab completed the construction and experimental verification of 1000 t/ a coal pyrolysis-quenching pilot plant, achieving a pyrolysis system energy efficiency of 92%; the lab completed the process design of 1000 t/a external heating char-CO2 gasification pilot, and completed a feasibility design report for the flexible peak shaving demonstration of a 300 MW coal pyrolysis combustion coupling power plant.
Patent and Paper
This year, the lab published 78 academic papers, including 51 journal papers indexed by Science Citation Index (SCI) and 8 journal papers indexed by Engineering Index (EI). The lab submitted 20 invention patents in China. 7 invention patents in China were granted.
Dean: JIN Hongguang 86-10-82543032 hgjin@iet.cn
Deputy Dean: HAO Yong 86-10-82543150 haoyong@iet.cn
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Laboratory