07.03.2018

H-TEC SYSTEMS GmbH

PRESS RELEASE (english)

H-TEC SYSTEMS presents its expertise in the field of electrolysis technology at Energy Storage 2018 with its latest products in the area of power-to-gas

March 2018, Lübeck/Düsseldorf – At Energy Storage 2018 from 13 to 15 March 2018, H-TEC SYSTEMS presents its current "made in Germany" product range featuring the ME 100/350 electrolyser from its SERIES-ME and the PEM electrolysis stacks from its SERIES-S30. As a megawatt-class turn-key system, the ME 100/350 is ideal both for industry where there is a large demand for hydrogen and for energy companies for the purpose of upgrading electric power. The SERIES-S30 stacks are designed for integration in customer solutions in the low kilowatt range.

Produced at the company's sites in Schleswig-Holstein and Bavaria, the SERIES-ME installations by H-TEC SYSTEMS feature an impressively compact structure, a high level of power density and efficient handling of the energy used. This makes them highly cost-efficient.

Available in the German-speaking region since the beginning of 2017, the ME 100/350 is H-TEC's first comprehensive system with a production rate of 100 kilograms of hydrogen per day and a peak electrical load of 350 kilowatts.
The core component of this electrolyser is the S450 electrolysis stack developed by H-TEC. The choice of PEM technology ensures that hydrogen is produced flexibly to a very high degree of purity – without the need for hazardous ancillary materials. H-TEC offers the option of hydrogen drying according to ISO 14682-2 (for hydrogen as a fuel). The ME 100/350 PEM electrolyser can also follow changing load profile specifications fully automatically, e.g. due to a fluctuating energy supply or varying hydrogen demand. In one day it is able to convert 5.4 MWh of electrical energy into hydrogen and, given a sufficiently sized storage system, it can also take care of long-term storage.

Due to its size and load flexibility, H-TEC's ME 100/350 electrolyser is ideal for supplying hydrogen filling stations with the required volume of gas on a decentralised basis, for example – fed directly from heavily fluctuating energy sources such as photovoltaics and wind power. With an output of 100 kilograms of hydrogen per day it is possible to fuel up to 20 hydrogen-powered cars on a daily basis, enabling zero-emissions travel over more than 10,000 kilometres. Optional heat extraction at temperature levels of up to nearly 80°C also offers the possibility of a link to heat grids. If the heat of the ME 100/350 is used extensively, it is possible to achieve overall efficiency levels of up to 95 per cent.

The SERIES-S30 PEM electrolysis stacks in the output range of approx. 1 to 5 kilowatts of electric power are of particular interest due to their simple integration in electrolysis applications, their high performance capacity and their low conversion costs.
They have an active surface of 30 square centimetres per cell and are produced individually to meet all customer needs with between 5 and 50 cells. The stacks produce hydrogen safely and efficiently at a hydrogen pressure of up to 20 bar. The hydrogen leaves the stack with a very high level of purity, so there is no general need to clean the hydrogen in the system itself. Areas of application include hydrogen generators for industry and research, fully integrated hydrogen storage solutions for buildings and industrial island systems as well as mobile applications, e.g. to reduce nitrogen oxides in the combustion of fossil fuels.

One model project in North Frisia provides a classic example how H-TEC electrolysis technology can be used: "Our PEM electrolysers will ensure economical sector cross-linkage between green power generation and the supply of transport fuel – we're part of a cooperative project that was co-initiated by GP JOULE," explains Technology Director Joachim Herrmann.
"When the project gets underway in 2018, fuel cell buses will provide a public transportation service between Husum and the Danish border – fuelled by energy stored from wind farms. Five decentralised 200-kilowatt PEM electrolysers by H-TEC SYSTEMS will convert EE power into hydrogen. The heat generated will be fed into existing local heat grids. The hydrogen will be stored and made available for fuel cell buses via H2 filling stations – supplied by hydrogen tankers which will transport the fuel from the electrolysers. Based on a similar principle, the electrolysers can also be used for rail, shipping and freight traffic.


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