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Tokuyama, Panasonic Works on Pure Hydrogen Fuel Cell Generators

Tokuyama Corporation and Panasonic Corporation have joined forces and have started demonstration work on pure hydrogen fuel cell generators that use by-product hydrogen generated in Tokuyama’s Tokuyama Factory in Shunan City, Yamaguchi Prefecture.

Panasonic The demonstration period is scheduled to end in March 2023.

For this demonstration, equipment was installed in the Tokuyama Factory. The equipment was configured into a system incorporating six pure hydrogen fuel cell generators, developed by Panasonic, into one unit. Hydrogen supply piping, thermal piping, and power output lines were connected and integrated with the unit, thereby achieving the synergistic operation of six pure hydrogen fuel cell generators as one system. This is the first demonstration in Japan1 of the integrated control of six pure hydrogen fuel cell generators.

Tokuyama provides a stable supply of by-product hydrogen to pure hydrogen fuel cell generators. Such by-product hydrogen is generated during the manufacturing of caustic soda through brine electrolysis by an ion-exchange membrane process.

Electric power generated by the demonstration equipment is used in offices in the factory, and heat generated during power generation is recovered in the form of hot water.

Tokuyama has been making efforts to effectively utilize by-product hydrogen as well as build a contribution model for the local community through the use of hydrogen. This demonstration work is carried out as part of such efforts.

On the other hand, Panasonic verifies and evaluates the integrated control of the system in addition to its operating performance when by-product hydrogen is used. The on-off operation of the system’s six generator units, each of which can generate 700 W of electricity, can be individually controlled.

Therefore, the system allows a flexible power output setting ranging from 700 W to 4.2 kW. This is with a view to future applications, where the system’s integrated control provides for major power demands.

Moreover, even if one generator breaks down, the five remaining generators can continue to operate. This feature enables a generator-integrated system to continuously supply power if maintenance is sequentially performed on individual generators, thereby raising expectations for the improvement of system operational flexibility based on integrated control.

Through this demonstration work, Tokuyama and Panasonic will further advance efforts have aimed at realizing a hydrogen-based society


Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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