scholarly journals High-efficiency negative-carbon emission power generation from integrated solid-oxide fuel cell and calciner

2017 ◽  
Vol 205 ◽  
pp. 1189-1201 ◽  
Author(s):  
Dawid P. Hanak ◽  
Barrie G. Jenkins ◽  
Tim Kruger ◽  
Vasilije Manovic
Keyword(s):  
Power Generation ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
Carbon Emission ◽  
High Efficiency ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Emission Power

Solid Oxide Fuel Cell Integrated with Supercritical Water Fueled by Methanol

2016 ◽  
Vol 689 ◽  
pp. 133-137
Author(s):  
Anuchart Srisiriwat ◽  
Nawadee Srisiriwat
Keyword(s):  
Power Generation ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
Reaction Temperature ◽  
Supercritical Water ◽  
High Efficiency ◽  
Solid Oxide ◽  
Molar Ratio ◽  
Hydrogen Yield ◽  
Oxide Fuel

A solid oxide fuel cell (SOFC) is known as an interesting energy conversion device because of its fuel flexibility and high efficiency. The hydrogen-rich stream is used as fuel carrier converting to generate electrical energy. A non-stoichiometric thermodynamic model based on minimum free energy was performed to predict the amount of hydrogen production via the methanol reforming under supercritical water (SCW) condition. The effects of SCW reaction temperature and water-to-methanol molar ratio on the SOFC power generation integrated with SCW reforming from methanol were investigated. The hydrogen yield, the required heat duty for a feed preheater and a SCW reactor and the SOFC power generation increase with increasing the SCW reaction temperature and the amount of water fed in SCW reactor. Under operating parameters of SCW reformer based on 1 mole/sec of methanol fed at the high temperature of 1273 K and water-to-methanol molar ratio of 5, the SOFC electrical power of 246 kW was produced with the maximum fuel utilization of 0.7.

Demonstration of high efficiency intermediate-temperature solid oxide fuel cell based on lanthanum gallate electrolyte

2006 ◽  
Vol 408-412 ◽  
pp. 512-517 ◽  
Author(s):  
Toru Inagaki ◽  
Futoshi Nishiwaki ◽  
Jirou Kanou ◽  
Satoru Yamasaki ◽  
Kei Hosoi ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
High Efficiency ◽  
Solid Oxide ◽  
Intermediate Temperature ◽  
Lanthanum Gallate ◽  
Oxide Fuel

Doped Ceria Based Solid Oxide Fuel Cell Electrolytes and their Sintering Aspects: An Overview

2016 ◽  
Vol 835 ◽  
pp. 199-236 ◽  
Author(s):  
Pradyot Datta
Keyword(s):  
Power Generation ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
Operating Temperature ◽  
Solid Oxide ◽  
Ion Conductivity ◽  
Doped Ceria ◽  
Oxide Fuel ◽  
Oxygen Ion Conductivity ◽  
Oxygen Ion

Depletion of fossil fuel at an alarming rate is a major concern of humankind. Consequently, researchers all over the world are putting a concerted effort for finding alternative and renewable energy. Solid oxide fuel cell (SOFC) is one such system. SOFCs are electrochemical devices that have several advantages over conventional power generation systems like high efficiency of power generation, low emission of green house gases and the fuel flexibility. The major research focus of recent times is to reduce the operating temperature of SOFC in the range of 500 to 700 °C so as to render it commercially viable. This reduction in temperature is largely dependent on finding an electrolyte material with adequate oxygen ion conductivity at the intended operating temperature. One much material is Gadolinia doped Ceria (CGO) that shows very good oxygen ion conductivity at the intended operation temperature. The aim of this overview is to highlight the contribution that materials chemistry has made to the development of CGO as an electrolyte.

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