Feasibility of direct carbon solid oxide fuels cell (DC-SOFC) fabrication by inkjet printing technology

Dudek, Magdalena; Tomov, Rumen I.; Wang, C.; Glowacki, B.A.; Tomczyk, P.; Socha, Robert P.; Mosiałek, Michał

doi:10.1016/j.electacta.2013.04.139

Cited by 32 publications

(20 citation statements)

References 29 publications

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“…3 The Raman spectra recorded for graphite A and D and carbon black E powders cathode materials and current collectors in the DC-SOFC on both sides of the 8YSZ electrolyte (150-μm thick, 20 mm in diameter). The description of the electrochemical setup of a button solid oxide fuel cell fueled by solid carbon, as well as the measurement procedure, was described in our previous papers [15,16].…”

Section: Electrochemical Investigations Of Dc-sofc Performancementioning

confidence: 99%

Effect of structural properties of carbon-based fuels on efficiency of direct carbon fuel cells

Dudek

Sitarz

Tomczyk

2014

J Solid State Electrochem

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This research is focused on the effect of supplying solid oxide fuel cells with different graphite and carbon black powders on the cells' efficiency. Before being tested in the fuel cell, the structures of carbon-based fuels were characterized by X-ray diffraction analysis, Raman spectroscopy, scanning electron microscopy, and thermal analysis method (DTA/TG). Total electrical conductivity measurements were also carried out for carbon samples. The relation between the structure and morphology of solid particles and their performance in direct carbon solid oxide fuel cells (DC-SOFC) was presented and discussed. It was found that structurally disordered carbon-based materials are the most promising fuels for oxidation in DC-SOFCs.

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Section: Electrochemical Investigations Of Dc-sofc Performancementioning

confidence: 99%

Effect of structural properties of carbon-based fuels on efficiency of direct carbon fuel cells

Dudek

Sitarz

Tomczyk

2014

J Solid State Electrochem

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“…The impact of their physicochemical properties on direct carbon button solid oxide fuel cells were described in papers [14,15].…”

Section: Analyses Of Solid Fuelsmentioning

confidence: 99%

Carbon as a fuel for efficient electricity generation in carbon solid oxide fuel cells

Skrzypkiewicz

Dudek

2016

E3S Web Conf.

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Abstract. In this paper, the impact of the physicochemical properties of carbonaceous solid fuels on the performance of a direct carbon solid oxide fuel cell (DC-SOFC) was investigated. High-purity synthetic carbon powders such as carbon black N-220 and Carbo Medicinalis FP5 were chosen for analytical and electrochemical investigations in a DC-SOFC. The research focussed on choosing an optimised, cost-effective, high-purity carbon powder which could be applied as a solid reference fuel for all tests performed on a single DC-SOFC cell as well as on DC-SOFC stack constructions. Most of the electrochemical investigations described in this paper were performed using square DCSOFCs with dimensions of 5 × 5 cm. The relationship between structure, physicochemical properties, and electrochemical reactivity in a DC-SOFC was analysed.

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“…Some of these fuels have been used directly within the fuel cell with very little pre-treatment whilst others have been heavily processed and purified to produce a fuel that is almost pure carbon [34]. Dudek et al [35] have reported an investigation of various types of carbon blacks and have tried to correlate their electrochemical reactivity in a molten carbonate electrolyte based DCFC with micro-and nanostructures of carbons, which shows in Fig. 15.…”

Section: R E T R a C T E D R E T R A C T E D R E T R A C T E D R E T mentioning

confidence: 99%

Progress and Challenges in the Direct Carbon Fuel Cell Technology

Chen

Gao

Long

et al. 2015

ILCPA

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Fuel cells are under development for a range of applications for transport, stationary and portable power appliances. Fuel cell technology has advanced to the stage where commercial field trials for both transport and stationary applications are in progress. Direct Carbon Fuel Cells (DCFC) utilize solid carbon as the fuel and have historically attracted less investment than other types of gas or liquid fed fuel cells. However, volatility in gas and oil commodity prices and the increasing concern about the environmental impact of burning heavy fossil fuels for power generation has led to DCFCs gaining more attention within the global study community. A DCFC converts the chemical energy in solid carbon directly into electricity through its direct electrochemical oxidation. The fuel utilization can be almost 100% as the fuel feed and product gases are distinct phases and thus can be easily separated. This is not the case with other fuel cell types for which the fuel utilization within the cell is typically limited to below 85%. The theoretical efficiency is also high, around 100%. The combination of these two factors, lead to the projected electric efficiency of DCFC approaching 80% -approximately twice the efficiency of current generation coal fired power plants, thus leading to a 50% reduction in greenhouse gas emissions. The amount of CO 2 for storage/sequestration is also halved. Moreover, the exit gas is an almost pure CO 2 stream, requiring little or no gas separation before compression for sequestration. Therefore, the energy and cost penalties to capture the CO 2 will also be significantly less than for other technologies. Furthermore, a variety of abundant fuels such as coal, coke, tar, biomass and organic waste can be used. Despite these advantages, the technology is at an early stage of development requiring solutions to many complex challenges related to materials degradation, fuel delivery, reaction kinetics, stack fabrication and system design, before it can be considered for commercialization. This paper, following a brief introduction to other fuel cells, reviews in detail the current status of the direct carbon fuel cell technology, recent progress, technical challenges and discusses the future of the technology.

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Feasibility of direct carbon solid oxide fuels cell (DC-SOFC) fabrication by inkjet printing technology

Cited by 32 publications

References 29 publications

Effect of structural properties of carbon-based fuels on efficiency of direct carbon fuel cells

Effect of structural properties of carbon-based fuels on efficiency of direct carbon fuel cells

Carbon as a fuel for efficient electricity generation in carbon solid oxide fuel cells

Progress and Challenges in the Direct Carbon Fuel Cell Technology

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