The basic unit of organization in the IEA HIA is the Task/Annex, a research project that focus on a particular facet of hydrogen. Several contracting parties/sponsor members collaborate on each task by directly funding their expert researchers according to the level of person hours agreed upon in each task. Any of the contracting parties/ sponsor members can propose a topic for a task and submit for the final approval of the Executive Committee of the IEA HIA. Typically tasks/annexes are allotted three years to be completed, and the task meeting takes place twice a year. Operating Agent is the person who manages the Tasks and coordinates the experts from contracting parties/ sponsor members to complete the work.

As of the third quarter of 2015, there were 30 completed tasks, 7 current tasks and 2 tasks in definition.

Completed, Current and Future Tasks

Task 1 Thermochemical Production 1977-1988
Task 2 High Temperature Reactors 1977-1979
Task 3 Assessment of Potential Future Markets 1977-1980
Task 4 Electrolytic Production 1979-1988
Task 5 Solid Oxide Water Electrolysis 1979-1983
Task 6 Photocatalytic Water Electrolysis 1979-1988
Task 7 Storage, Conversion, and Safety 1983-1992
Task 8 Technical and Economic Assessment of Hydrogen 1986-1990
Task 9 Hydrogen Production 1988-1993
Task 10 Photoproduction of Hydrogen 1995-1998
Task 11 Integrated Systems 1995-1998
Task 12 Metal Hydrides for Hydrogen Storage 1995-2000
Task 13 Design and Optimization 1999-2001
Task 14 Photoelectrolytic Production 1999-2004
Task 15 Photobiological Production 1999-2004
Task 16 Hydrogen from Carbon-Containing Materials 2002-2005
Task 17 Solid and Liquid State Storage 2001-2006
Task 18 Integrated Systems Evaluation 2004-2006
Task 19 Hydrogen Safety 2004-2010
Task 20 Hydrogen From Waterphotolysis 2004-2007
Task 21 BioHydrogen 2005-2009
Task 21 BioInspired Hydrogen 2010-2014
Task 22 Fundamental and Applied Hydrogen Storage Materials Development 2006-2012
Task 23 Small Scale Reformers for OnSite Supply of Hydrogen (SSR for Hydrogen) 2006-2011
Task 24 Wind Energy and Hydrogen Integration 2006-2011
Task 25 High Temperature Hydrogen Production Processes 2007-2011
Task 26 WaterPhotolysis 2008-2011
Task 27 Near-Term Market Routes to Hydrogen by Co-Utilization of Biomass as a Renewable Energy Source with Fossil Fuels 2008-2011
Task 28 Large Scale Hydrogen Delivery Infrastructure 2010-2014
Task 31 Hydrogen Safety 2010-2013
Task 29 Distributed and Community Hydrogen 2010-2014
Task 30 Global Hydrogen Systems Analysis 2010-2014
Task 32 H2 Based Energy Storage 2013-2016
Task 33 Local H2 Supply for Energy Applications 2013-2016
Task 34 Biological Hydrogen for Energy and Environment 2014-2017
Task 35 Renewable Hydrogen Production 2014-2017
Task 36 Life Cyle Sustainability Assessment 2014-2017
Task 37 Hydrogen Safety 2015-2018
Task 38 Power to Hydrogen  
Task NN Marine Task  

Hydrogen Production Technologies

Hydrogen can be produced from renewable and nuclear energy, as well as the electrolysis of water, and fossil energy. The maturity of hydrogen technologies, whether production or storage related, ranges from the basic research stage through technical and commercial maturity. Biohydrogen and photoelectrolytic production technologies are at the early stage of the research spectrum.

Biological organisms can produce hydrogen directly from sunlight and water. In addition, semiconductor-based systems similar to photovoltaics (PV) can be used for hydrogen production. Hydrogen can also be produced indirectly via thermal processing of biomass or fossil fuels. Global environmental concerns are leading to the development of advanced processes to integrate sequestration with known reforming, gasification, and partial oxidation technologies for carbonaceous fuels. These production technologies have the potential to produce essentially unlimited quantities of hydrogen in a sustainable manner.

Hydrogen Storage Technologies

Storage of hydrogen is an important area for cooperative research and development, particularly when considering transportation as a major user and taking the need for efficient energy storage for intermittent renewable power systems into account. Although compressed gas and liquid hydrogen storage systems have been used in vehicle demonstrations worldwide, issues of safety, capacity, and energy consumption have resulted in a broadening of the storage possibilities to include metal hydrides and carbon nano-structures. Stationary storage systems that are highly efficient and that have quick response times will be important for incorporating large amounts of intermittent PV and wind into the grid as base-load power.

Hydrogen Utilization Technologies

Achieving the vast potential benefits of a hydrogen system requires careful integration of production, storage and end-use components with minimized cost and maximized efficiency, and a strong understanding of environmental impacts and opportunities. System models combined with detailed life cycle assessments provide the platform for standardized comparisons of energy systems for specific applications. Individual component models form the framework by which these system designs can be formulated and evaluated.

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