Lanthanum silicate apatite oxide ion conductors: Conduction mechanism, doping strategies, preparation methods and applications

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 113, P. 60 - 76

Published: March 1, 2025

Language: Английский

---

Reducing Critical Raw Material Use in Commercial Solid Oxide Fuel Cells Using Vertically Aligned Thin‐Film Cathodes with Enhanced Long‐Term Stability

Energy & environment materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 17, 2025

Solid oxide fuel cells (SOFCs) are widely presented as a sustainable solution to future energy challenges. Nevertheless, solid presently rely on significant use of several critical raw materials enable optimized electrode reaction kinetics. This challenge can be addressed by using thin‐film materials; however, this is typically accompanied complex device fabrication procedures well poor mechanical/chemical stability. In work, we conduct systematic study range promising based vertically aligned nanocomposite (VAN) thin films. We demonstrate low area specific resistance (ASR) values 0.44 cm 2 at 650 °C achieved (La 0.60 Sr 0.40 ) 0.95 Co 0.20 Fe 0.80 O 3 ‐(Sm (CeO (LSCF‐SDC) films, which also characterized degradation rate, approximately half that planar LSCF then integrate these films directly with commercial anode supported through single‐step deposition process. The resulting exhibit peak power density 0.47 W −2 750 °C, competitive 0.64 for the same operating bulk cathode, despite 99.5% reduction in cathode material use. By demonstrating such performance functional layers, work paves way further cost reductions cells, could likewise applying architectures layer and/or current collecting account greatest cell stacks. Therefore, present marks valuable step towards proliferation cells.

Language: Английский

---

Leaching of Solid Oxide Electrolyzer Cells for a Circular Hydrogen Economy

Journal of Sustainable Metallurgy, Journal Year: 2025, Volume and Issue: unknown

Published: April 11, 2025

Language: Английский

---

From Waste to Wealth: Current Advances in Recycling Technologies for Metal Recovery from Vanadium-Titanium Magnetite Tailings

Journal of Sustainable Metallurgy, Journal Year: 2024, Volume and Issue: 10(3), P. 1007 - 1035

Published: June 17, 2024

Language: Английский

---

Closing the Loop: Solid Oxide Fuel and Electrolysis Cells Materials for a Net-Zero Economy

Materials, Journal Year: 2024, Volume and Issue: 17(24), P. 6113 - 6113

Published: Dec. 13, 2024

Solid oxide fuel cells (SOFCs) and solid electrolyzer (SOECs) represent a promising clean energy solution. In the case of SOFCs, they offer efficiency minimal to zero CO2 emissions when used convert chemical into electricity. When SOFC systems are operated in regenerative mode for water electrolysis, SOFCs become (SOECs). The problem with these is supply availability raw materials SOEC components. This raises significant economic challenges has an impact on price scalability technologies. Recycling that make up can alleviate by reducing dependence overall costs. From this point view, work perspective analysis examines current research recycling materials, highlighting potential paths towards circular economy. existing literature different approaches key components SOECs important. Mechanical separation techniques isolate components, along strategies like leaching or hydrometallurgical material characterization, ensure quality recycled reuse new important as well. By evaluating various methods recovered study aims provide valuable insights advancing sustainable economically viable technologies within net-zero framework.

Language: Английский

---

Unravelling the reaction mechanism on Ni–YSZ anode supported direct ammonia solid fuel cell: Experimental and theoretical studies

Applied Surface Science, Journal Year: 2024, Volume and Issue: unknown, P. 162175 - 162175

Published: Dec. 1, 2024

Language: Английский

---