Toshiba to Develop Lightweight, Compact, High-Power Superconducting Motor Prototype for Mobility Applications

～Contributing to Achieving Carbon Neutrality in Industries and Transportation～

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June 23, 2022

Toshiba Energy Systems & Solutions Corporation

KAWASAKI, JAPAN-Toshiba Energy Systems & Solutions Corporation (hereinafter, "Toshiba ESS") today announced that it has developed a superconducting motor to meet the needs of the mobility sector. This superconducting motor can realize lightweight, high-output density and high-speed rotation, and can be made available for large mobility applications. Furthermore, this superconducting motor with these features is the first of its kind in the world.*1 Toshiba ESS will promote cooperation with the mobility industry and is aiming to commercialize this technology by the late 2020s.

As global environmental awareness grows, movements to reduce greenhouse gas emissions, such as CO2, are accelerating rapidly in the mobility industry. In addition, the aviation industry, for example, is aiming to reduce emissions of CO2 to zero (carbon-free) by 2050. In doing so, conventional fossil fuel gas will gradually be replaced by sustainable aviation fuel (SAF*2). However, to achieve total carbon neutrality, it is necessary to explore not only carbon-free SAF, but also aviation systems as a whole; thus, the industry needs to develop lightweight and high-powered motors for propulsion systems.

Toshiba ESS has recently developed a prototype for a compact, high-speed superconducting motor with a maximum output of 2 MW, bringing together its manufacturing technology for high-speed rotating machines and superconductivity technology. This motor was developed by a team of engineers and experts at Toshiba ESS's Keihin Operations, which has a long-standing history and track record in developing and manufacturing generators and superconductive products for nuclear power generation and thermal power generation. The newly developed superconducting motor is less than 1/10th the weight and size of a conventional motor with the same level of power output, and Toshiba ESS expects it will make a significant contribution to the electrification of aircrafts and the mobility sector. The company will further improve this technology and accelerate efforts toward its implementation to society.

Shinya Fujitsuka, Director and Senior Vice President at Toshiba ESS, said, "Toshiba ESS is highly honored to announce the development of this superconducting motor for the mobility sector. I believe that Toshiba Group is well positioned to provide new value to the mobility industry by combining its products and services."

Toshiba ESS is also exploring the business of carbon recycling, in which CO2 from exhaust gas is recycled into SAF through the P2C*3 process, utilizing electrolysis technology to convert carbon dioxide (CO2) into carbon monoxide (CO). Through these efforts, Toshiba ESS will provide various solutions to the mobility industry and contribute toward realizing a carbon-neutral society.

*1: According to our internal research (as of June 23, 2022)
*2: SAF: Sustainable Aviation Fuel (jet fuel produced from sustainable sources with low CO2 emissions during the process, from raw material production to final usage; i.e., combustion)
*3: P2C: Power to Chemicals (P2C), one of the CCU/carbon recycling technologies, is a technology to recycle CO2 into valuable products with high environmental value by using renewable energy and renewable hydrogen, which not only reduces CO2 emissions, but also significantly contributes to the expansion of renewable energy.

Outline of the new superconducting motor

Output: 2 MW
Size (mm): Approx. 500-mm outer diameter × 700-mm length (excluding the shaft)

Prototype of the superconducting motor
Superconducting motor promotional video
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Toshiba Corporation published this content on 23 June 2022 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 23 June 2022 07:54:03 UTC.