Mizuno experiment

The Mizuno experiment is a simple table-top experiment that appears to generate unexplained excess energy. Unlike other cold fusion experiments, it does not use deuterium (heavy water), has a high degree of reproducibility, and turns on quickly.

The experiment was first performed by T. Ohmori and later developed by T. Mizuno and T. Ohmori, both of Hokkaido University.

Description of the experiment
The experiment uses an electrolytic cell at atmospheric pressure: the cathode is a plate of tungsten, the anode is a mesh of platinum, and the electrolyte is a solution of potassium carbonate in distilled light water. The energy balance is checked by a method that combines open cell isoperibolic calorimeter and flow calorimeter.

When a voltage of 40 volts is applied, no excess energy is observed. When a voltage of 80 V or more is applied, a plasma forms at the cathode. It is maintained for about 10 minutes. During that period, according to Mizuno, the energy coming out of the cell exceeds the energy coming in by about 40 per cent in most of the experiments.

The results have been published in the , a peer-reviewed scientific journal established in 1962.

Reproduction
According to JNL Labs , reports of the successful replication of this experiment have been issued by:
* Fauvarque, Clauzon, Lallevé, of the Laboratoire d'Electrochimie Industrielle at the Conservatoire National des Arts et Métiers
* Kowalski, Slaughter and Clauzon in March 2006. See also a discussion at [http://blake.montclair.edu/~kowalskil/cf/271slaughter.html].

Some of the attempted replications use different electrolytes, such as potassium chloride, but appear to show the same results.

EarthTech International, Inc. tried to replicate these results, but couldn't. Kowalski later retracted his results. [http://blake.montclair.edu/~kowalskil/cf/301negative.html]

Criticism
Scott Little's measurement suggests that results could be explained by tiny droplets of electrolyte escaping with the steam. See a discussion [http://pages.csam.montclair.edu/~kowalski/cf/300positive.html here].
Explanation of alleged excess of heat due massive droplet escapes (which correlates with violent boiling) was proposed earlier by "Al Tekhasski".

Source
* Mizuno T. et al, Production of Heat during Plasma Electrolysis in Liquid, Jpn. J. Appl. Phys. Vol 39 (2000) pp 6055-6061, , as published on

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