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Research and Development of CO2 Utilization Technology in AIST
Hydrogen Production and Storage TeamGlobal Zero Emission Research Center (GZR)
National Institute of Advanced Industrial Science and Technology (AIST)
TAKAGI Hideyuki
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January 2020 - : Team Leader, Global Zero Emission Research Center, AISTConcurrently serve as Energy Process Research Institute, AISTConcurrently serve as Renewable Energy Research Center, AIST
April 2016: Group Leader, Research Institute of Energy Frontier, AISTApril 2015: Senior Researcher, Research Institute of Energy Frontier, AISTApril 2014: Senior Researcher, Energy Technology Research Institute, AISTApril 2013: Deputy Manager, Energy Efficiency and Renewable Energy Department,
Agency for Natural Resources and Energy, Ministry of Economy, Trade and Industry (METI)October 2005: Visiting Researcher, The University of Queensland, AustraliaApril 2001: Joined AIST as a researcherMarch 2000: Doctor of Engineering, Kyushu University
Name: Hideyuki TAKAGIAffiliation: Global Zero Emission Research Center, AIST Position: Team LeaderE-mail: [email protected]
Curriculum Vitae
Specialization: Energy, Reaction Engineering, Material Engineering, Hydrogen, Catalyst
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2. Methane production (Methanation) technology
Contents
3. Production and utilization of formic acid and methanol from CO2
4. High-efficiency energy conversion system with SOEC technology
6. Collaboration with industry – CCR study group
1. Introduction of teams in GZR conducting research on CO2 utilization and hydrogen technology
5. CO2 capture and separation by chemical looping technology
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Global Zero Emission Research Center (GZR):Established: January 2020, Director: Dr. YOSHINO (2019 Nobel Laureate in Chemistry)Conduct of foundational research pertinent to environmental innovation, aiming tocreate innovation essential to strengthen measures for CO2 reduction, following the“Environment Innovation Strategy” of the Japanese Government.
Hydrogen Production and Storage TeamTechnology development of hydrogen production, storage and use for significant CO2 reduction
Carbon-based Energy Carrier Research TeamDevelopment of high-efficiency catalysts, energy carrier using CO2
Smart CO2 Utilization Research TeamR&D of innovative technologies for CO2 reduction,
recycling and fixation
1. GZR Teams Conducting Research on CO2 Utilization and Hydrogen Technology
Fundamentals of Ionic Devices Research TeamFundamental research on ionic devices to drastically increase performance and reliability
Artificial Photosynthesis Research TeamR&D of artificial photosynthesis technologies to convert solar energy into chemical energy
Environmental and Social Impact Assessment TeamDevelopment of impact assessment methods and tools for new energy technologies
2. Methane Production (Methanation) Technology
Exploration of methanation technology, using hydrogen derived from renewable energy (RE) andCO2 retrieved from power generation, chemical industry and so on, in collaboration with industry,academia and government (INPEX CORPORATION, Hitachi Zosen Corporation, Nagoya Universityand AIST) supported by the New Energy and Industrial Technology Development Organization(NEDO, Japan)
Bench-scale testing at the Koshijihara Plant in the Nagaoka Gas Field (INPEX) in Niigata Prefecture
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Research on Catalyst and Process
Promotion of research and development related to catalyst activity and process optimization for methanation technology (Re-consignment project from INPEX CORPORATION)
Formation of high-temperature zone
CH4+H2O(H2, CO, CO2)
CO2 + 4H2
Temperature
Methanation catalystevaluation system in AIST
CO2 + 4H2 CH4 + 2H2O (-165kJ/mol) : highly exothermic reaction
Influence evaluation of hyper-thermalization of catalyst layer
Search for reaction speed controlmethod to avoid hyper-thermal areaformation within the catalyst layer
Influence evaluation of impurecomponents (e.g. sulfur) in adjoint CO2
GZR - Hydrogen Production and Storage TeamEnergy Process Research Institute (AIST)
Position
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Gradient catalytic activity
100-0 (Yield)Ni-YSZ (89%)
Gradient activityNi-YSZ (90%)
Achievement for both prevention of hotspot formation and high yield(Patent Application: 2019-017829)
Prevention of hotspot formation in the reactor using catalysts with different catalytic activities
activity
High
Middle
Low
T/K
CO2 , H2
CH4, H2O
Hotspot (high-temperature zone) at the inlet region of the methanation reactor
Prevention of High-temperature Zone by Gradient Catalytic Activity
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3. Production and Utilization of Formic Acidand Methanol (MeOH) from CO2
Production of Formic Acid and MeOH by Reduction of CO2
GZR- Carbon-based Energy Carrier Research Team
Development of catalysts showing the highest performance for CO2 reduction(hydrogenation, electro-reduction) to formic acid and MeOH under mild reaction conditions
High-Pressure H2Production System
CO2Release
H2
StorageCatalyst＆
High-pressure process
CO2 Utilization
H2 Electricity
Formic Acid[H2 Content 4.3 wt%]
MeOH
H2 CarrierCarbon Resource
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Chemical
High-Pressure H2 Production from Formic Acid(AIST Original Technology)
Development of the high-performance catalysts which can supply high-pressure(> 1000 atm) and CO-free H2 by heating (<100 oC) of formic acidEasy separation of CO2 from gas-liquid phase under high-pressure system
Gasphase
(H2)
Liquid phase (CO2)-10ºC, 30MPa
CO2 separation from gas-liquid phase
High-pressure H2 production from formic acid
0
25
50
75
100
0 2 4 6 8
Pres
sure
/MPa
Time /h
Pres
sure
/ MPa
4Ｍ
10Ｍ
15Ｍ
80ºC
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SOEC: Solid Oxide Electrolysis Cell
• High efficiency with low electrolytic voltage• Co-electrolysis of H2O and CO2
Technological Development:High-performanceHigh stability and reliabilityCompact and lightweight
4. High-efficiency Energy Conversion System with SOEC Technology
GZR- Fundamentals of Ionic Devices Research TeamResearch Institute for Energy Conservation of AIST
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Conversion efficiency from electricity to chemical energy (CH4) : about 90%
SOEC Co-electrolysis
Methanation by electrochemical cells
Thermal exchange
H2O+CO2 H2+CO
Therm. ex.Capture of methanation reaction heat by vaporization
H2+CO CH4
CH4(Fuel)
Use of energy beyond time and space
O2(resource)
H2O vapor
CO2
H2+CO
@400 oC
High-efficiency Methane Production with Co-electrolysis
electricity
O2
e’
O2-
H2OCO2
H2CO
Renewableenergy
Development of high-efficiency conversion with SOEC technology; co-electrolysis of CO2 and water, and electrochemical reaction
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5. CO2 Capture and Separation by Chemical Looping Technology
GZR- Smart CO2 Utilization Research Team
MO
Gasifier
H2N2/CO2
AirFuel
Oxidizer
M: MetalMO: Metal oxide
M
Development of chemical looping technology for multiple applications such as for producing H2 from CO2-neutral energy resources
6 m
Chemical looping technology with in-process CO2 separation
100 kW-thermal circulating fluidized bed experimental facility in AIST
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CO2 Utilization Technology
4 CO
3 CO2
1 CH4
Reg
ener
ator
Cra
cker
Ris
er
solid
gas
solid
gas
H2O or air
FexOy
Development of new dry reforming technologyEffective use of three times the amount of CO2 for conventional dry reforming
3 CO2
1 CH4
CO2activation
Chemicals synthesis
4 CO
H2 from renewables
High-purity CO → desired product
New dry reforming approach:CH4+3CO2 4CO/2H2O
Conventional dry reforming:CH4+1CO2 2CO+2H2
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6. Collaboration with Industry
- CCR Study Group (Organization for Carbon Capture and Reuse) -
Chairman: Prof. Akiyama (Tohoku Univ.)
Administrators:JGC CORPORATIONINPEX CORPORATIONProf. Kobayashi (Kyushu Univ.)Dr. Takagi (AIST)
Secretariat: The Japan Gas Association
Audit: Hitachi Zosen Corporation
Corporate Memberships: 34 companiesand organizations
Website：https://ccr-tech.org/
Propose of effective carbon neutral measures to reduce fossil fuel usage, and contribution tothe construction of a new energy supply system for 2050, by offering alternate energycombined with CO2 emitted from the industry and hydrogen derived from renewable energy
Concept example of CCR technology
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Global Zero Emission Research Center
https://www.gzr.aist.go.jp/en/
Thank you very much for your kind attention
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