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Rare-earth oxide Li...
Rare-earth oxide Li0.3Ni0.9Cu0.07Sr0.03O2-delta composites for advanced fuel cells
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Mi, Youquan (författare)
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Zhang, Wei (författare)
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Deng, Hui (författare)
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Wang, Xunying (författare)
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Fan, Liangdong (författare)
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- Zhu, Binzhu (författare)
- KTH,Energiteknik,Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Faculty of Physics and Electronic Science, Hubei University, Youyi Road, Wuhan, Hubei 430062, China
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(creator_code:org_t)
- PERGAMON-ELSEVIER SCIENCE LTD, 2017
- 2017
- Engelska.
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Ingår i: International journal of hydrogen energy. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0360-3199 .- 1879-3487. ; 42:34, s. 22214-22221
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Recent development on electrolyte-free fuel cell (EFFC) holding the same function with the traditional solid oxide fuel cell (SOFC) but with a much simpler structure has drawn increasing attention. Herein, we report a composite of industrial grade rare-earth precursor for agriculture and Li0.3Ni0.9Cu0.07Sr0.03O2.a, (RE-LNCS) for EFFCs. Both structural and electrical properties are investigated on the composite. It reveals that the RE LNCS possesses a comparable ionic and an electronic conductivities, 0.11 S cm(-1) and 0.20 S cm(-1) at 550 degrees C, respectively. An excellent power output of 1180 mW cm(-2) has been achieved at 550 degrees C, which is much better than that of the conventional anode/electrolyte/cathode based SOFCs, only around 360 mW cm(-2) by using ionic conducting rare-earth material as the electrolyte. Engineering large size cells with active area of 25 cm(2) prepared by tape-casting and hot-pressing gave a power output up to 12 W. This work develops a new functional single layer composite material for EFFCs and further explores the device functions.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
Nyckelord
- Low temperature solid oxide fuel
- cells Electrolyte-free fuel cell
- Rare-earth materials
- Ionic-semiconductor composites
- Engineering cell
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- ref (ämneskategori)
- art (ämneskategori)
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