Emulation tests of dynamics and control for a turbocharged SOFC system
Among different fuel cell types, high temperature Solid Oxide Fuel Cells (SOFCs) are considered promising for future power generation scenario, due to their higher efficiency [3] and tolerance to impurities [2] (in comparison with low temperature fuel cells). Thanks to this last feature, essential aspect for flexibility needs, it possible to use various fuels and biofuels [4], which can be
SOFC HANDBOOK
class system prototype was set up at Kyushu University, and by 2017, MEGAMIE had its commercial launch in Japan. As of February 2020, the Kyushu University prototype has achieved a continuous run of 25,000 hours. a High-E˜ciency Combined Power Generation System for Solid Oxide Fuel Cells (SOFC) Power the Globe with
Materials and technologies for SOFC-components
The development of SOFC-based auxiliary power units (APU) for cars, trucks (BMW/Delphi) 5 and military applications 6 as well as the development of low cost, high power density SOFC core modules which can be used in stationary as well as in a mobile systems (SECA: solid state energy conversion alliance) broadens the areas of SOFC-application
Rapid load transition for integrated solid oxide fuel cell – Gas
In addition to low carbon emissions of SOFC-GT systems, the hybridization of gas turbines and SOFCs provides an opportunity to better manage SOFC airflow through bypass valves or turbine speed variation [14], and to control the heat energy passed from the SOFC to the turbine [15], thus offering better thermal management and the potential for
Comprehensive summary of solid oxide fuel cell control: a state
Hydrogen energy is a promising renewable resource for the sustainable development of society. As a key member of the fuel cell (FC) family, the solid oxide fuel cell (SOFC) has attracted a lot of attention because of characteristics such as having various sources as fuel and high energy conversion efficiency, and being pollution-free. SOFC is a highly
Benefits of the Bosch SOFC system | Bosch
The SOFC system can already be connected to existing gas utilities and is immediately ready for use today, making it a vital contributor to the energy transformation and, along with photovoltaics and wind energy, an important
Report on the Status of the Solid Oxide Fuel Cell Program
to develop system s of one megawatt or higher capacity. The Program is taking early steps to use a SOFC to capture the abundant energy available from coal via coupling with a gasifier. These steps should continue to be expanded. There has been progress towards the goal of practical and sustainable solid oxide fuel cells, but
Techno-economic evaluation of biogas-fed SOFC systems with
Small-scale biogas-fed solid oxide fuel cell (SOFC) systems, integrated with carbon capture storage (CCS) technologies, offer a sustainable solution for European farms'' heat and power demands with minimal carbon emissions. This study investigates different system configurations ranging from 20 to 200 kW, incorporating heat integration, fuel recirculation, biogas purification
Bosch SOFC system | E-world 2024 | Bosch Hydrogen Energy
The centerpiece of our SOFC systems is a unit with a fuel cell stack comprising hundreds of series-connected cells, where electricity and heat are generated in a highly efficient manner. "SOFC" stands for solid oxide fuel cell. To minimize the planning and installation effort of our customers, we combine several of these SOFC units and all
How does our SOFC system work?
In the future, it will be possible to combine several SOFC systems, each with an output of 100 kW, to create a decentralized power supply solution in the megawatt range. Compared to coal-fired power plants, solid oxide fuel cells (SOFCs) emit over 4,000 metric tons less CO₂ per year for each megawatt of output.
Design improvements for ammonia-fed SOFC systems
directly to the SOFC stack for additional power production or to a new stack in the so called cascade configuration [21]. The aim of this paper is to design, model and study an improved ammonia-SOFC system. The novelty of this study is related to the application of cascading and off-gases use in ammonia fuelled SOFC power systems. The use of
CURRENT AND FUTURE TECHNOLOGIES COSTS,
As a raising technology, SOFC systems are gaining more credit. A SOFC can operate at higher temperatures, reducing the catalyst strict requirements, allowing a greater tolerance to carbon monoxide, and thus simplifying the system in terms of needed purification system at
Performance Analysis and Optimization of SOFC/GT
This review provides an overview of the solid oxide fuel cell/gas turbine (SOFC/GT) hybrid system, highlighting its potential as a highly efficient and low-emission power generation technology. The operating principles and
Comprehensive summary of solid oxide fuel cell control: a state
SOFC is a highly coupled, nonlinear, and multivariable complex system, and thus it is very important to design an appropriate control strategy for an SOFC system to ensure its
Development of solid oxide fuel cell and battery hybrid power
Chen [23] puts forward a key subsystem of the renewable energy systems based on solid oxide fuel cells. Its local control is realized by model predictive control method. Fischer [24] equipped a 12-unit MFC stack with a maximum power point tracking (MPPT) and a lithium battery (3.7 V). The MFC stack structure is simplified by sharing part of the
Stationary fuel cells for Power Generation | Bosch Global
In a pilot project, Deutsche Telekom is now trialing two stationary solid oxide fuel-cell (SOFC) systems from Bosch. These can be used to generate — efficiently, sustainably and in a decentralized way — the electricity required to power, for
Solid Oxide Fuel Cells (SOFC) System | Bosch Global
Given enough hydrogen from renewables and pipelines to transport this gas, the SOFC system will be the key to saying farewell to fossil fuels. Carbon emissions will then plummet to zero. This tomorrow technology works today.
Diesel operated combined heat and power SOFC system: SOFC
Solid oxide fuel cells (SOFCs) can in theory utilize such fuels in a high efficient manner, which could reduce greenhouse gas emissions and energy demand. However, SOFC systems able to directly utilize diesel are rather complex to design and monitor, leading to several possible causes of system lifetime reduction.
Energy and environmental performance from field
The Comsos project (Commercial-scale SOFC systems, 2018–2023) is an EU-funded initiative aimed at enhancing the European SOFC industry''s global leadership in the production of SOFC systems within the 10–60 kW power range. The primary goal of the project is to achieve a cumulative installed power capacity exceeding 300 kW.
SOFC FAQs
Today, the production cost of a SOFC stack is around 4000 EUR/kWe and it is expected to decrease below 800 EUR/kWe by 2030. At system level, the CAPEX is approximately 10000 EUR/kWe and it will reach 2000 – 3500 EUR/kWe by 2030 for small (<5 kWe) and large (51-500 kWe) systems, respectively 1.
Lessons Learned from SOFC/SOEC Development
Materials and Systems Research, Inc. 12 SOFC vs. SOEC Operation – (button cells) SOFC mode (power generation): no degradation in 2500 hrs, and ~ 1.5%/1000 hrs afterward SOEC mode (hydrogen production): Projected degradation rate ~ 50%/1000 hrs Long-term test results comparison between two button cells tested in SOFC and SOEC modes
Energy and Parameter Analysis of SOFC System for Hydrogen
In this paper, an integrated system of solid oxide fuel cell (SOFC) and methane steam reforming for hydrogen production is proposed. The mathematical model of the coupled integrated system is studied by COMSOL and Aspen software, and the energy analysis of the integrated system is carried out. The system recovers and reuses the waste heat of the SOFC
Electrolysis & SOFC fuel cell system | Bosch Hydrogen Energy
Electrolysis & SOFC fuel cell system With the SOFC fuel cell system and the PEM electrolysis stack, Bosch develops large-scale industrial hydrogen solutions for your business. Hydrogen is a versatile energy carrier for decentralized electricity and heat generation.
Fuel flexibility study of an integrated 25kW SOFC reformer
grated 25kW SOFC reformer system operating on each of these fuels is followed by experimental tests of selected fuels in the 25kW SOFC system. The baseline compositions used in the current study are presented in Table 1 and have been determined based on data from the literature [8–10]. 2. Twenty-five kilowatt SOFC system description
DEMOnstration of large SOFC system fed with biogas
The DEMOSOFC plant was the world''s first demonstration of a large (100+ kW) SOFC system fed by biogas. "We have designed, installed from scratch, operated and maintained a complete biogas-fed SOFC-based CHP
Performance Analysis and Optimization of SOFC/GT Hybrid Systems
This review provides an overview of the solid oxide fuel cell/gas turbine (SOFC/GT) hybrid system, highlighting its potential as a highly efficient and low-emission power generation technology. The operating principles and components of the SOFC/GT system, as well as the various configurations and integration strategies, are discussed. This review also
SOFC in the Bosch Global Data Center | Bosch
SOFC systems – the new solution for data center energy needs. The SOFC fuel cell systems we have developed provide an innovative means of supplying energy reliably and independent of an external grid. They produce electricity
Thermodynamic performance comparison of a SOFC system
Unlike the SR-SOFC system, the selection of different fuels as reforming feedstock in the DR-SOFC system results in significant differences in the actual output voltage of the SOFC, with the order of voltage magnitude being consistent with the order of H 2 concentration in the reformate. In addition, the system''s electrical efficiencies are
(PDF) Artificial neural network assisted multi-objective
The main purpose of this study is to enhance the performance of solid oxide fuel cell systems. For this purpose, a mathematical model of a direct internal reforming (DIR) methane-fed solid oxide
Thermodynamic and economic performance study of SOFC
Masoud Rokni. Et al. [28] studied an integrated CHP system using syngas as fuel with SOFC and Stirling machine to obtain the variation laws of thermodynamic and economic performance. The system was competitive with other environmentally friendly energy systems. An integrated SOFC-GT-ORC system with internal reforming was established by Sh.
Bosch SOFC fuel cell system | Bosch Hydrogen Energy
Our Bosch SOFC systems generate about 60 percent electricity and up to 30 percent heat. They are special high-temperature fuel cells that can already run on natural gas, biomethane*, or a mixture with hydrogen.