Siemens Future Forum @ HANNOVER MESSE 2014 Hydrogen as a multi-purpose energy vector Gaelle Hotellier Restricted © Siemens AG 2014 All rights reserved. Options to address large scale “grid storage” are limited Segmentation of electrical energy storage Key statements • There is no universal solution for electrical storage large-scale energy storage / methane Hydrogen / methane CAES Redox-Flow Batteries Batteries Super capacitor Superconductive magnet Flywheel storage Pumped Hydro • Large scale storage can only be addressed by pumped hydro, compressed air (CAES) and chemical storage media like hydrogen and methane • The potential to extend pumped hydro capacities is very limited • CAES has limitations in operational flexibility and capacity Hydrogen is the only option to implement energy capacities > 10 GWh Restricted © Siemens AG 2014 All rights reserved. Page 2 2014-04-23 Gaelle Hotellier PEM electrolysis enables conversion of electrical into chemical energy Generation Conversion/storage Application Direct use without storage Mobility H2 storage Fuel-cell vehicle Photovoltaics Energy Fluctuating electricity generation PEM electrolysis Gas pipeline Wind power Gas-fired power plant Industry Conventional Constant electricity generation Grid Methanization CO2 utilization Industry H2 drives the convergence between energy & industrial markets Restricted © Siemens AG 2014 All rights reserved. Page 3 2014-04-23 Gaelle Hotellier PEM* water electrolyzer technology – a perfect match with renewable energy requirements Key statements • High dynamic performance • Compact design, small footprint • High pressure operation (less compression costs) • Simple cold-start capability • Rapid load changes • High stability / low degradation H2 O2 Electrolyzer type 1 3 1 4 Cathode H2O electrolyte polymer membrane 2 next cells PEM Anode next cells 2 separator 3 catalyst platinum + others 4 frame + bipolar plate metal sheet PEM technology has numerous important advantages regarding the system properties Restricted © Siemens AG 2014 All rights reserved. Page 4 2014-04-23 * Proton-Exchange-Membrane Gaelle Hotellier Siemens PEM water electrolyzer technology is based on more than 40 years of experience at Siemens 100 kW demonstrator, e.g. to be delivered into the CO2RRECT Project (BMBF) Heavy duty rectifier SIPOREC Key statements • Siemens started its PEM electrolyzer development in 1998 • Siemens reference list in electrolyzer technology: • continuous lab operation > 60.000 h • 12y field operation (prototype) • 100 bar prototype • 45y electrode know-how • 50+y experience in heavy duty rectifiers • complete solution in one hand • heavy duty rectifiers (up to 70.000 A) • transformers • control units • grid connection • gas turbines Restricted © Siemens AG 2014 All rights reserved. Page 5 2014-04-23 Gaelle Hotellier SILYZER – PEM Electrolyzer Systems from Siemens Up-scaling Roadmap “SILYZER family” Roadmap: PEM Electrolyzer Portfolio “SILYZER” 2013 nominal product line I capacity 0.1 – 0.3 MW 2015 2018 product line II 1 - >10 MW product line III 10 - >100 MW Key statements • Siemens has established the business unit “Hydrogen Solutions” to develop and industrialize PEM electrolyzer systems. • Systems in the MW-range will be available starting 2015, demonstrators in the sub-MW-class in 2013. 100 MW SILYZER 100 SILYZER 200 SILYZER 300 • Afterward, a 3rd Product line is planned in the range 10 until > 100 MW. • Siemens supports the roll-out of H2-refuelling infrastructure as member of the „Clean Energy Partnership“. 10 MW • Siemens will be system provider (electrolyzer systems) for the future H2-fuel scenario 1 MW 0,1 MW Restricted © Siemens AG 2014 All rights reserved. Page 6 2014-04-23 Gaelle Hotellier SILYZER 200 – a PEM Electrolysis System made by Siemens SILYZER 200 – Hydrogen Production Feature / Function • Best-in-class PEM electrolysis, based on an own developed system and proven Siemens standard components and technical expertise • King-size power (double digit MW class) and high current density operation for efficient hydrogen production up to 35 bar output pressure • Extreme dynamic operation from 0 to max-power combined with a strong lifetime commitment  Benefit • Leading edge green hydrogen production thanks to the reliable electrolysis operation with a highend system availability • Small system footprint for lower investment and optimal integration • Low TCO, high robustness, low investment risk • Safety culture & discipline as guarantee – incl. Remote operation and condition monitoring for stateof-the-art electrolysis operation Restricted © Siemens AG 2014 All rights reserved. Page 7 2014-04-23 Gaelle Hotellier CO2RRECT*: PEM electrolyzer demonstration project with 100 kW rated power (300 kWpeak) Key statements • Rated power of the system is 100 kW, peak power 300 kW (electrical stack input) • H2 and O2 are produced at an output pressure of 50 bar • The container is a “self-sustaining” system. Power supply as well as water purification are onboard • More than 4 tons of hydrogen have been produced Standort „Innovationszentrum Kohle am RWE Kraftwerksstandort Niederaußem“ The high dynamic Siemens electrolyzer was delivered in December 2012 Restricted © Siemens AG 2014 All rights reserved. Page 8 2014-04-23 * CO2-Reaction using Regenerative Energies and Catalytic Technologies Gaelle Hotellier Next projects Energie Park Mainz Key statements • High efficiency • Dynamic load changes • 2,1 MW nominal input power • High overload capacity (up to 6 MW el.) Siemens Study SILYZER 200 Source: Stadtwerke Mainz AG Restricted © Siemens AG 2014 All rights reserved. Page 9 2014-04-23 Gaelle Hotellier Contact Gaelle Hotellier Siemens AG Industry Sector Drive Technologies Division Phone: +49 (9131) 7-22847 E-Mail: [email protected] Restricted © Siemens AG 2014 All rights reserved. Page 10 2014-04-23 Gaelle Hotellier