
High power density thin film SOFCs with YSZ/GDC bilayer electrolyte
2011年6月30日 · In this work, we demonstrate a well designed bilayer GDC (∼6 μm)/YSZ electrolyte structure using a thin film approach, where the thickness of the YSZ layer is carefully controlled from ∼330 nm to ∼1 μm to explore the effect of YSZ thickness on the overall performance of the bilayer electrolyte cells.
YSZ/GDC bilayer and gradient barrier layers deposited by reactive ...
2019年1月15日 · First successive deposition of YSZ and GDC is investigated which leads to the formation of bilayer structure. Then co-deposition of both compounds is carried out in order to obtain a chemical composition gradient, ensuring a smooth transition from the electrolyte to …
Controlling Yttria-stabilized zirconia/gadolinia-doped ceria ...
2021年10月5日 · Yttria-stabilized zirconia (YSZ)/gadolinia-doped ceria (GDC) dual-layered electrolytes have promising potential in solid oxide fuel cells (SOFCs) to prevent the destroying reaction of the lanthanum-containing cathode with ZrO 2 base electrolyte and improve ionic conduction by blocking ceria based electrolyte electronic conduction.
固体氧化物电解池各器件材料研究进展 - 知乎 - 知乎专栏
加工困难;与许多钙钛矿h电极材料(包括 ni-ysz )相互作用. 1.3.3钆掺杂二氧化铈(gdc),特别是gdc10(10%掺杂,ce0.9gd0.1o2-δ) 降低工作温度至 500–600℃,同时保持高离子电导率 仅报告了初步工作. 2.阴极(h极) 得电子生成氢气和氧离子
Comparison of solid oxide fuel cell (SOFC) electrolyte materials …
2020年1月1日 · Comprehensive ionic conductivity comparison is done for YSZ, ScSZ and GDC. YSZ, ScSZ and GDC each have an optimal operation temperature in SOFC applications. A brick layer model is used to predict the dependence of electrolyte resistance on grain size.
一种固体氧化物电池阻隔层致密化的方法与流程
2020年8月25日 · 除先进镀膜工艺外,大多单电池通过丝网印刷在致密ysz表面制备gdc,但只能获得多孔隔离层。 致密的gdc隔离层可以有效降低燃料电池的欧姆阻抗,提高电池的导电率和催化性能。
(数字演示)原位水热生长制备 GDC/YSZ 双层电解质,ECS …
2023年9月19日 · GDC(掺钆掺杂二氧化铈)可用作高性能 LSCF(La 0.6 锶 0.4 钴 0.2 铁 0.8 氧 3-δ)阴极和YSZ(8%摩尔氧化钇稳定氧化锆)电解质,以防止化学不相容和元素扩散。 然而,GDC层很难达到与YSZ电解质一样高的密度,特别是在低烧结温度下。 同时,将烧结温度提高到超过~1200 ℃会诱导 (Ce,Zr)O的形成 2 实在的方法。 在这项工作中,我们报告了在低烧结温度下制备的高致密双层 GDC/YSZ 电解质。 具体来说,将具有致密 YSZ 电解质的烧结阳极支撑 …
(Digital Presentation) GDC/YSZ Bilayer Electrolyte Fabrication by In ...
2023年5月19日 · In this work, we report a highly dense GDC/YSZ bilayer electrolyte prepared via cost-competitive method, at a relatively low sintering temperature. An ultra-thin and dense GDC barrier layer is grown on the surface of as-sintered YSZ electrolyte by twice successive in-situ hydrothermal growth at 180 o C.
具有YSZ / GDC双层电解质的高功率密度薄膜SOFC - X-MOL
沉积由of掺杂的CeO 2 (GDC)层(〜6μm厚度)和氧化钇稳定的ZrO 2 (YSZ)层组成的双层电解质,其厚度各不相同(〜330 nm,〜440 nm和〜1μm)。通过脉冲激光沉积(PLD)技术用于薄膜固体氧化物燃料电池(TFSOFC)。
Preparation of YSZ/YDC and YSZ/GDC composite electrolytes by …
The composite electrolytes for low-temperature solid oxide fuel cells were fabricated via coating the YSZ sol on tape-casted substrates of yttria doped ceria (YDC) and gadolinia doped ceria (GDC). The doped ceria substrates with 98% of relative density were prepared by the tape-casting method followed by the sintering at 1,500°C for 2 hours.