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Hydrogen Production by Sea Water Electrolysis


Development of the Technique for Hydrogen Production by Means of Sea Water Electrolysis

Tech Area / Field

  • CHE-IND/Industrial Chemistry and Chemical Process Engineering/Chemistry
  • CHE-OTH/Other/Chemistry
  • NNE-OTH/Other/Non-Nuclear Energy

3 Approved without Funding

Registration date

Leading Institute
ATC, Russia, Moscow


  • Zecotek Holdings Inc., Canada, BC, Vancouver\nRussia Search Co., Ltd., Korea, Seoul\nJimpex Bio-Technology, Spain, Las Palmas de G.C.Canary Islands

Project summary

With exhaustion of conventional fuel resources and aggravation of environmental damages caused by the use of fuel combustion procedures, the use of hydrogen as an energy source and development of Hydrogen Energetics proves to become highly vital. Hydrogen can replace any kind of fuel in any production fields. The use of hydrogen as a source of energy will make it possible to solve the energy related problems in industrial and public sectors in close connection with environmental ones.

The future engineering will be mainly based on hydrogen power. This is because of hydrogen is an ecologically pure fuel with the greatest heat of combustion. The heating value of hydrogen (120.9 * 106 J/kg) is several times higher than that of any other comparable types of fuel. Since the combustion of hydrogen produces water, the fuel use of hydrogen is, in fact, the process of water recycling within general water recycling in nature.

Among a great number of procedures being employed for the hydrogen production one should distinguish the electrolysis. A rather attractive procedure of large-scale hydrogen production is the direct electrolysis of seawater, the electrical conductivity of which is due to soluble salts. Contrary to drinking water the resources of seawater on the Earth are practically unlimited amounting to 97% of the entire world’s water reserves.

Seawater electrolysis is basically determined by near-electrode processes, which are intrinsic for the electrolysis of sodium chloride solutions, since seawater has a peculiar chemical composition with a prevalence of sodium chloride.

The thermodynamic and kinetic analysis made as well as preliminary experiments show that seawater direct electrolysis is a perspective method for hydrogen and associate matters production.

The study of an electrolysis process aimed at the justification of prospects for hydrogen production from sea water enables to conclude the following:

  1. A seawater electrolysis procedure can be rather effective for the large-scale production of hydrogen as a target. Among other hydrogen producing technologies it seems to be very prospective, since the water used after production - consumption is regenerated introducing no additional pollution to the environment.
  2. Apart from the essential electrolysis products – hydrogen and oxygen, in the course of seawater electrolysis one can produce chlorine, alkali, sodium hypochlorite, hydroxides of calcium and magnesium, hydrochloric and sulphuric acids, other sub-products possessing self commercial values.

The tentative theoretical and experimental works have shown that direct sea water electrolysis can be technically performed and is a perspective procedure for commercial production of hydrogen and associate products.

The project is devoted to:

  • Development of methodology and investigation of process of hydrogen evolving by seawater electrolysis.
  • Development of technique of hydrogen and by-products production based on seawater electrolysis along with environmentally benign and non-polluting by-products production.

The project main objective is the development of methodology and study of process of sea water electrolytic hydrogen evolving along with environmentally benign and non-polluting by-products production.

Correspondence to the objectives of ISTC:

  • The majority of scientists and experts (about 80%) taking part in Project implementation as leading specialists were engaged in the development of rocket technology of military application earlier;
  • Project is an integral part of international efforts directed on the solution of urgent for world community technical and ecological problem replacement of conventional types of fuel to hydrogen, protection of the environment, prevention of negative changes in the Earth’s ecosystem and further global warming.
  • The urgency and magnitude of the problem under solution requires broad cooperation of scientists of different countries.

In the course of the project, it is planned to hold certain activities together with the collaborators in the field of:
  • Information exchange during project implementation;
  • Joint business meetings, seminars, workshops and consultation;
  • Discussion of technical requirements;
  • Joint testing;
  • Discussion of the results obtained during the project implementation

Expected Results:
  • scientific-and technical substantiation of hydrogen evolving by seawater electrolysis;
  • experimental simulation of electrolysis process;
  • conceptual design of installation for electrolytic hydrogen production by seawater electrolysis at environmentally benign condition.


The International Science and Technology Center (ISTC) is an intergovernmental organization connecting scientists from Kazakhstan, Armenia, Tajikistan, Kyrgyzstan, and Georgia with their peers and research organizations in the EU, Japan, Republic of Korea, Norway and the United States.


ISTC facilitates international science projects and assists the global scientific and business community to source and engage with CIS and Georgian institutes that develop or possess an excellence of scientific know-how.

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