A double perovskite decorated carbon-tolerant redox electrode for symmetrical SOFC

Peng, Xianzhu; Tian, Yunfeng; Liu, Yun; Wang, Wenjie; Chen, Jing; Li, Jin; Chi, Bo; Pu, Jian; Li, Jian

doi:10.1016/j.ijhydene.2020.03.151

Cited by 32 publications

(15 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In another study, praseodymium oxides were added to Ni‐Mo‐SDC catalyst, which results in excellent stability as compared to Ni‐Mo‐SDC without addition of Pr oxides, which can be shown in Figure 14 219 . Similarly, many studies have shown excellent performance of coated anode with nano particles for excellent performance and stability 220–224 …”

Section: High‐temperature Fuel Cellsmentioning

confidence: 89%

“…219 Similarly, many studies have shown excellent performance of coated anode with nano particles for excellent performance and stability. [220][221][222][223][224] Cathode is an air supplying electrode in SOFC, which mostly consists of mixed conductors like lanthanum strontium cobalt iron oxides (LSNF) with good ion conductivity. 30 However, many other catalytic materials have also been developed for cathodic activity of SOFC.…”

Section: Electrodesmentioning

confidence: 99%

See 1 more Smart Citation

A perspective on development of fuel cell materials: Electrodes and electrolyte

Sajid

Pervaiz

Ali³

et al. 2022

Intl J of Energy Research

View full text Add to dashboard Cite

Summary The declining reserves and environmental concerns related to the use of fossil fuels have made the global think tanks to pursue for the technologies considered to be renewable as well as sustainable. Fuel cell technology is emerging and a green way to produce electricity, provided sufficient amount of hydrogen (fuel) is available that directly convert chemical energy to electrical energy. Despite of being an efficient and eco‐friendly source of energy, commercialization of fuel cells is still difficult to attain. Techno‐economic challenges like high manufacturing and assembly costs, water management, system size, nondurability, and instability of the system need to be addressed. In order to resolve these issues, considerable research has been carried out for the development of novel and inexpensive materials for the fuel cells. In this article, we have reviewed the development of electrodes and electrolyte materials for different types of fuel cells. A detailed description of applications, challenges, and improvement of electrodes/electrolytes materials of different types of fuel cells (polymer electrolyte membrane fuel cells, direct methanol fuel cells and solid oxide fuel cells) have been reported in this review article. A brief review of the development of materials for electrode of molten carbonate fuel cells has also been presented in the review.

show abstract

Section: High‐temperature Fuel Cellsmentioning

confidence: 89%

Section: Electrodesmentioning

confidence: 99%

A perspective on development of fuel cell materials: Electrodes and electrolyte

Sajid

Pervaiz

Ali³

et al. 2022

Intl J of Energy Research

View full text Add to dashboard Cite

show abstract

“…Obviously, it will increase the cost of the Ni-cermet anodes, which does not seem to be economically viable. The investigations of carbon deposition behaviors of the Ni-YSZ-based anodes after treatment in biogas [ 83 ] and the Sr 2 MnMoO 6-δ /NiO-Ce 0.8 Sm 0.2 O 1.9 composite in methane [ 28 ] illustrate the undoubted advantages of the molybdate-based anodes.…”

Section: General Features Of Sr 2 Mmoo mentioning

confidence: 99%

“…In terms of chemical design, there are many alternative materials for Ni-based composites. They include Mo-containing double perovskites with the general formula Sr 2 MMoO 6-δ [ 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 ]. The use of these compounds as anodes, in combination with La 1-x Sr x Ga 1-y Mg y O 3-δ (LSGM) electrolytes, allows for the operating temperatures of SOFCs to be lowered down to 800 °C (or even lower).…”

Section: Introductionmentioning

confidence: 99%

Undoped Sr2MMoO6 Double Perovskite Molybdates (M = Ni, Mg, Fe) as Promising Anode Materials for Solid Oxide Fuel Cells

et al. 2021

View full text Add to dashboard Cite

The chemical design of new functional materials for solid oxide fuel cells (SOFCs) is of great interest as a means for overcoming the disadvantages of traditional materials. Redox stability, carbon deposition and sulfur poisoning of the anodes are positioned as the main processes that result in the degradation of SOFC performance. In this regard, double perovskite molybdates are possible alternatives to conventional Ni-based cermets. The present review provides the fundamental properties of four members: Sr2NiMoO6-δ, Sr2MgMoO6-δ, Sr2FeMoO6-δ and Sr2Fe1.5Mo0.5O6-δ. These properties vary greatly depending on the type and concentration of the 3d-element occupying the B-position of A2BB’O6. The main emphasis is devoted to: (i) the synthesis features of undoped double molybdates, (ii) their electrical conductivity and thermal behaviors in both oxidizing and reducing atmospheres, as well as (iii) their chemical compatibility with respect to other functional SOFC materials and components of gas atmospheres. The information provided can serve as the basis for the design of efficient fuel electrodes prepared from complex oxides with layered structures.

show abstract

“…Solid oxide fuel cells (SOFCs) are known as a current generation electrochemical devices that can produce electrical energy through of oxidation and reduction reactions [1]. The SOFCs devices are considered as a flexible-environmental-friendly solution for the electric energy generation from hydrogen, natural gas and other renewable fuels, giving much higher efficiencies than conventional energy systems [2][3][4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Microwave irradiation synthesis to obtain La0.7-xPrxCa0.3MnO3 perovskites: Electrical and electrochemical performance

Ferrel-Álvarez

Domínguez‐Crespo

Cong

et al. 2021

Journal of Alloys and Compounds

View full text Add to dashboard Cite

La0.7-xPrxCa0.3MnO3 (LPCM) perovskites previously synthesized by the microwave-assisted method at 4 minutes and with different stoichiometry (x=0.35, 0.52 and 0.63) were evaluated through thermogravimetric analysis (TGA), electrical conductivity, thermal expansion coefficient (TEC), scanning electron microscopy (SEM), Brunauer-Emmet-Teller (BET) analysis and electrochemical impedance spectroscopy (EIS) using yttria stabilized zirconia (YSZ) as an electrolyte. The results are discussed in terms of the potential as cathode material to be applied in solid oxide fuel cells (SOFCs) applications at temperatures from 600 to 800 °C. Results derived from TGA showed that Pr promotes the uncoupling oxygen and oxygen vacancies favoring the fuel combusting. Also, TEC analysis revealed adequate stability between the YSZ electrolyte and the La0.7-xPrxCa0.3MnO3 to avoid cracking or failing, especially with high amount of Pr. The transition in morphology from irregular to regular shapes improves the BET and Barret-Joyner-Halenda (BJH) surfaces and promotes the triple phase boundary (TPB) connectivity. The electrical conductivity correlated to the availability in oxygen vacancies showed maximum conductivities in the order of 10 -2 S cm -1 . Activation energy (Ea) was found to be reduced with a minimum quantity of Pr (0.071 eV). EIS results indicate that the oxygen vacancies in the LPCM/YSZ system were better promoted with the highest amount of Pr= 0.63 (=0.9 V, 800 °C and 0.06 V of amplitude) in comparison with the minimum, Pr=0.35 (=1.2 V, 800 °C and 0.06 V of amplitude).

show abstract

A double perovskite decorated carbon-tolerant redox electrode for symmetrical SOFC

Cited by 32 publications

References 37 publications

A perspective on development of fuel cell materials: Electrodes and electrolyte

A perspective on development of fuel cell materials: Electrodes and electrolyte

Undoped Sr2MMoO6 Double Perovskite Molybdates (M = Ni, Mg, Fe) as Promising Anode Materials for Solid Oxide Fuel Cells

Microwave irradiation synthesis to obtain La0.7-xPrxCa0.3MnO3 perovskites: Electrical and electrochemical performance

Contact Info

Product

Resources

About