i.e. they are used in unconventional ways
The principles are quite straight forward and clearly work; even a junior engineer would see that.
Some other inventions also clearly work as similar systems exist in nature. 

Generating electricity from hydrogen stores. To be added 

Hydrogen fuel from offshore power plants. To be added

Using OTEC (Ocean Thermal Energy) To be added .

The author is contacting some governmental bodies and NGOs but please
do forward a link to this web site to relevant colleagues, companies, governments,
or environmental pressure groups.