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Tokimatsu Lab
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A lab that evaluates the interface between energy technology and the socioeconomy.

AboutAbout the lab
Exploring where technology meets society and the economy.
Tokimatsu Lab conducts research and education at the interface between technology and the socioeconomy.
Its guiding principle is to understand individual technologies, explore what those technologies mean for society, and make that clear to society.
The lab draws on knowledge from a wide range of fields, including energy science and engineering, energy systems, social science and engineering, and resource, environment, and development economics.
The scope of evaluation is broad: Japan, Asia, and the world, over a time span from 2030 to 2100.
Key terms
- CCS
- A technology that separates and captures CO2 emitted from factories and other sources and stores it underground or elsewhere
- Life cycle impact assessment
- An approach that estimates environmental impacts by tracing a product from the extraction of raw materials to disposal
- Inclusive wealth
- An economic indicator that captures sustainability through changes in the stock value of environmental, produced, and human capital
ResearchResearch themes
The lab works on evaluations that link technology and the socioeconomy, from economic assessment of energy technologies to systems analysis of resources, economic valuation of environmental impacts, and indicators of sustainable development. Its analyses cover Japan, Asia, and the world, looking ahead from 2030 to 2100.
*Illustrative imageEconomic Evaluation of Energy Technologies
Targeting energy supply technologies such as waste, biomass, and coal technologies and CO2 capture and storage (CCS), the lab evaluates power generation costs and the amounts of environmentally harmful substances, such as CO2, that are emitted.
*Illustrative imageSystems Analysis of Energy Resources
Energy and materials become flows and stocks within the socioeconomic system, and each technology is related to other technologies. The lab conducts analyses that treat the supply and demand structure of technologies and resources as a system.
*Illustrative imageEconomic Valuation of Environmental Impacts
The lab evaluates, from an economic perspective, the environmental impacts of CO2, air pollutants, and waste. Using integrated assessment models and the approach of life cycle impact assessment to capture causal chains starting from emissions, it carries out valuation based on willingness to pay.
*Illustrative imageSustainable Development and Its Indicators
The lab analyzes "sustainable development" quantitatively. Centered on "inclusive wealth," which captures it as changes in the stock value of environmental, produced, and human capital that underlie human well-being, it covers a variety of indicators.
MembersFaculty
The members of Tokimatsu Lab consist of faculty, doctoral, master's, and undergraduate students, and visiting researchers.As of 2021
- Associate ProfessorKoji TokimatsuPublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Raikheda power station IN 2015 (Ctpp)” Epagemakerwiki / CC BY-SA 4.0 (cropped)
- Economic Evaluation of Energy Technologies: “Siauliu termofikacine elektrine nakti IMG 20141203” Mindaugas Macaitis / CC BY-SA 4.0 (cropped)
- Systems Analysis of Energy Resources: “Hull-Rust-Mahoning Open Pit Iron Mine” Minnesota Historical Society Heritage Preservation Department / CC BY 4.0 (cropped)
- Economic Valuation of Environmental Impacts: “SMOKE FROM INDUSTRY CREATES A HAZE WHICH LINGERS OVER THE CITY OF PITTSBURGH, PENNSYLVANIA, ON THE HORIZON. IN THE... - NARA - 557233” John L. Alexandrowicz / Public domain (cropped)
- Sustainable Development and Its Indicators: “8 Aerial view of indigenous forest canopy - N Plettenberg bay” Abu Shawka / CC BY-SA 4.0 (cropped)
- Related lab (錦澤研究室): “Wind turbines on Kartal Dağı, Gaziantep 01” Zeynel Cebeci / CC BY-SA 4.0 (cropped)
- Related lab (後藤研究室): “Ow of electricity pylons across a landscape in Dhaka” A S M Jobaer / CC BY-SA 4.0 (cropped)
- Related lab (大友順一郎研究室): “Natural Gas Corp. of N.Z. Ammonia-Urea Plant at Kapuni ( )” Archives New Zealand from New Zealand / CC BY 2.0 (cropped)
- Related lab (高橋史武研究室): “Bales of PET bottles stacked” Grendelkhan / CC BY-SA 4.0 (cropped)
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