Technology:
National Institute for Land and Infrastructure Management conducted an experiment to supply
hydrogen to household fuel batteries using the public utility conduit. This
experiment is part of the efforts to build a low carbon society because
supplying hydrogen using urban infrastructure is vital to realize a society
that uses hydrogen as an energy source.
The research agency
installed conduit pipes for about 250 m in the public utility conduit of the
nearby city. In the experiment, it supplied hydrogen in hydrogen cylinders to
the fuel batteries in the simulated house through the public utility conduit.
Generated electricity and heat were used to illuminate the lights, play the DVD
players, and operate the hot-water heater. Currently, city gas is supplied to
household fuel batteries. A fuel battery can be downsized considerably and
higly efficient if it can utilize hydrogen directly.
The experiment to
supply hydrogen to
materialize the next-generation energy
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