LiNiFe-based layered structure oxide and composite for advanced single layer fuel cells
LiNiFe-based layered structure oxide and composite for advanced single layer fuel cells
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用于先进单层燃料电池的LiNiFe基层状结构氧化物和复合材料
DOI:
10.1016/j.jpowsour.2016.03.056
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发表时间:
2016-06
影响因子:
9.2
通讯作者:
Janjua Naveed K.
中科院分区:
文献类型:
--
作者:
Zhu Bin;Fan Liangdong;Deng Hui;He Yunjune;Afzal Muhammad;Dong Wenjing;Yaqub Azra;Janjua Naveed K.
A layered structure metal oxide, LiNi0.1Fe0.90O2−δ(LNF), is explored for the advanced single layer fuel cells (SLFCs). The temperature dependent impedance profiles and concentration cells (hydrogen concentration, oxygen concentration, and H2/air atmospheres) tests prove LNF to be an intrinsically electronic conductor in air while mixed electronic and proton conductor in H2/air environment. SLFCs constructed by pure LNF materials show significant short circuiting reflected by a low device OCV and power output (175 mW cm−2at 500 °C) due to high intrinsic electronic conduction. The power output is improved up to 640 and 760 mW cm−2, respectively at 500 and 550 °C by compositing LNF with ion conducting material,e.g., samarium doped ceria (SDC), to balance the electronic and ionic conductivity; both reached at 0.1 S cm−1level. Such an SLFC gives super-performance and simplicity over the conventional 3-layer (anode, electrolyte and cathode) FCs, suggesting strong scientific and commercial impacts.
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影响因子:
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作者:
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通讯作者:
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影响因子:
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3.9
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通讯作者:
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