DENSO Demonstrates New Energy Management System Using a Highly-Efficient SOFC at Nishio Plant

KARIYA, JAPAN, May 18, 2023 – (JCN Newswire via – DENSO Corporation today announced that it launched on May 15 a pilot program(1) to test a new energy management system at its Nishio Plant in Japan as part of efforts to eliminate CO2 emissions from the facility.

Panorama view of “Pocket Park”

DENSO for years has been working to maximize the value of its Two Great Causes, Green and Peace of Mind, under the philosophy of “Bringing hope for the future for our planet, society, and all people,” a key component in the Long-term Policy 2030. In the Green domain, DENSO is pursuing efforts in the three fields of “Monozukuri (manufacturing),” “mobility products,” and “energy use” to realize carbon neutrality. This demonstration represents one of many initiatives in the energy usage category.

The facility energy management system used in the trial consists of a Solid Oxide Fuel Cell (SOFC) developed by DENSO, as well as a storage battery for transmitting electricity to the plant. It also includes a Vehicle-to-Grid (V2G) system, which enables the use of an electric vehicle as a storage battery to connect to and mutually utilize the power grid of electric utility companies, along with solar panels. This system has been newly installed within Nishio Plant’s “Pocket Park.” An SOFC is a device that generates electricity using hydrogen as fuel. Unlike solar power generation, it can generate electricity steadily without being influenced by weather conditions. The SOFC developed by DENSO incorporates thermal management technology and fuel recycling technology(2), which has been cultivated through automotive components, aiming for the world’s highest level power generation efficiency of 65%.

At Nishio plant, the equipment is being used to conduct a demonstration with the aim of managing energy more efficiently by charging and discharging batteries and controlling SOFC power generation according to factory power demand. The start of the demonstration will begin with using city gas and aim to flexibly adapt to societal trends by exploring the mixed use of carbon-neutral gases, such as hydrogen, along with natural gas or the exclusive use of carbon-neutral gases. The results of this demonstration will inform carbon-neutral activities at DENSO Fukushima Corporation.

As demonstrations such as this progress, DENSO will offer solutions that can be applied to other manufacturing industries and society, such as industrial equipment at plants and commercial and business facilities, to achieve carbon neutrality of society as a whole. DENSO will continue to take on challenges to develop environmentally-friendly technologies through various demonstrations and help realize carbon neutrality.

(1) DENSO is being supported by the New Energy and Industrial Technology Development Organization (NEDO) for the development of technologies for realizing a hydrogen society.
(2) A technology that efficiently recycles fuel using an ejector capable of operating even in high-temperature environments.

For more information about DENSO’s efforts to achieve carbon neutrality, please visit “DRIVEN BASE,” which is part of DENSO’s website, to read the following articles:
Developing solid oxide fuel cells to help disseminate clean energy throughout society

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