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Project Title:

Development of a solar hydrogen system (2 kW)

Ref.No.: 34

Project Type and Category:

Hydrogen production

Project Duration:

1991 –1993

Project Participants:

Herr Professor Sigurd Schulien, Projekt Wasserstofftechnik, FB Physikalische Technik, FH Wiesbaden, AGAFE

Sponsor:

Hessen ministery of enviroment

Project Budget and
Funding:

0,9 Mio DM

Project Description and Objectives:

Since 1991 at the Fachhochschule Wiesbaden a small PV generator with an output of 1.5 kWe,p feeds its energy into a battery bank (350 Ah). Via an inverter this battery supplies alternating current (220 V, 50 Hz) to an independent local grid. Excess energy which cannot be fed into the battery system produces pressurized hydrogen in a 2 kWe presurrized electrolyzer (2 MPa). Pressurized hydrogen and oxygen are stored in bottles for pressurized gases serving as long-term storages. In an alkaline fuel cell system of 1.2 kWe capacity hydrogen and oxygen can be converted into electricity with an average efficiency (uhv of H2) of 50-55%. The overall efficiency electrolysis/fuel cell amounts to 40%. Electrolysis and fuel cell have only one electrolyte/water circuit thus avoiding feed water treatment.
Within the framework of the hydrogen activities of the Fachhochschule Wiesbaden various hydrogen application technologies which are not yet available on the market were developed, some derived from natural gas or propane systems. For the later introduction of hydrogen consumer equipment/appliances have to be available.

Technical Goals:

Among the hydrogen appliances developed respectively adapted are: an absorption refrigerator, a gas lamp, a camping cooker, a hydrogen heater, hydrogen suited internal combustion engines, a cogeneration unit, a motor pump, a sea water desalination plant, a cooling device, a welding equipment, a H2/ O2 generator, a catalytic burner, a gas purification unit, and gas sensors.

Project Status

Finalized

Preliminary or Final Results:

#

Related Reference Papers and Other Publications:

Gaswärme International 43 (94), S. 550 ff

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Project Title: Development of a solar hydrogen system (2 kW)		Ref.No.: 34
Project Type and Category:	Hydrogen production
Project Duration:	1991 –1993
Project Participants:	Herr Professor Sigurd Schulien, Projekt Wasserstofftechnik, FB Physikalische Technik, FH Wiesbaden, AGAFE
Sponsor:	Hessen ministery of enviroment
Project Budget and Funding:	0,9 Mio DM
Project Description and Objectives:	Since 1991 at the Fachhochschule Wiesbaden a small PV generator with an output of 1.5 kWe,p feeds its energy into a battery bank (350 Ah). Via an inverter this battery supplies alternating current (220 V, 50 Hz) to an independent local grid. Excess energy which cannot be fed into the battery system produces pressurized hydrogen in a 2 kWe presurrized electrolyzer (2 MPa). Pressurized hydrogen and oxygen are stored in bottles for pressurized gases serving as long-term storages. In an alkaline fuel cell system of 1.2 kWe capacity hydrogen and oxygen can be converted into electricity with an average efficiency (uhv of H2) of 50-55%. The overall efficiency electrolysis/fuel cell amounts to 40%. Electrolysis and fuel cell have only one electrolyte/water circuit thus avoiding feed water treatment. Within the framework of the hydrogen activities of the Fachhochschule Wiesbaden various hydrogen application technologies which are not yet available on the market were developed, some derived from natural gas or propane systems. For the later introduction of hydrogen consumer equipment/appliances have to be available.
Technical Goals:	Among the hydrogen appliances developed respectively adapted are: an absorption refrigerator, a gas lamp, a camping cooker, a hydrogen heater, hydrogen suited internal combustion engines, a cogeneration unit, a motor pump, a sea water desalination plant, a cooling device, a welding equipment, a H2/ O2 generator, a catalytic burner, a gas purification unit, and gas sensors.
Project Status	Finalized
Preliminary or Final Results:	#
Related Reference Papers and Other Publications:	Gaswärme International 43 (94), S. 550 ff