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Department of Energy and Environment

Promoting green innovation

To promote green innovation, AIST is developing technologies for increased use of alternative energy technologies, such as renewable energy sources that reduce greenhouse gas emissions (energy creation), high-density storage of energy (energy storage), highly efficient conversion and use of energy (energy saving), effective utilization of energy resources, and evaluation and reduction of environmental risks.

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New Research Results

Development of Technology to Spread High-efficiency Multijunction Solar Cells

The hydride vapor phase epitaxy (HVPE) method is expected to be a low-cost growth method for III-V compound solar cells because of its high-speed growth using inexpensive raw materials. AIST and Taiyo Nippon Sanso Corporation have developed a reactor that enable us to form high-quality layers of aluminum containing materials in HVPE.

Figure of new research results Energy and Environment

Developed reactor (top) and achieved technologies for III-V compound solar cells using the developed reactor (bottom)

Urban Heat Island Mitigation and Energy-Saving Due to Restrictions with the COVID-19 Pandemic

AIST, in collaboration with Meisei University and DOCOMO Insight Marketing, Inc., estimated that staying home due to the COVID-19 outbreak had led to 40% reduction in electricity consumption and a 0.13 °C temperature decrease in urban office areas with decreased population using a new method, "Urban climate modelling + Realtime population data".

Figure of new research results Energy and Environment

Changes in temperature (left) and electricity consumption (right) in Osaka City due to the restrictions with COVID-19

Research Unit

Open Innovation Laboratory

Since FY 2016, as a part of the “Open Innovation Arena concept” promoted by the Ministry of Economy, Trade and Industry (METI), AIST has created the concept of “open innovation laboratories” (OILs), collaborative research bases located on university campuses, and has been engaged in their provision. We are planning to establish more than ten OILs by FY 2020.

AIST will merge the basic research carried out at universities, etc. with AISTʼs goal-oriented basic research and applied technology development, and will promote bridging research and evelopment and industry by the establishment of OILs.


Cooperative Research Laboratories

In order to conduct research and development more closely related to strategies of companies, we have established collaborative research laboratories, bearing partner company names.

Partner companies provide their researchers and funding, and AIST provides research resources, such as its researchers, research facilities, and intellectual property. The loaned researchers of companies and AIST researchers jointly conduct research and development.

By setting up cooperative research laboratories, we will accelerate the commercialization of our goal-oriented basic research and application research with partner companies.

  • Shimizu-AIST Zero Emission Hydrogen town Cooperative Research Laboratory

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