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Low-temperature fuel cells using proton-conducting silicate solid electrolyte

delete2025-01-01
delete0
PRE
AI
K
Kazuto Hatakeyama
T
Tatsuki Tsugawa
H
Haruki Watanabe
O
Oka, Kanako
S
S. Kinoshita
K
Keisuke Awaya
M
Michio Koinuma
S
Shintaro Ida
DOI：10.1039/d5ta02486bdelete
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摘要

摘要

En 中文
利用质子导电氧化物的燃料电池通常需要至少500摄氏度的操作温度，限制了其在低温燃料电池中的应用。在此，我们报道了一种采用单层硅酸盐纳米片制备的柔性固体电解质H0.37Al1.67Mg0.35Fe0.11Si3.9O10(OH)2(H2O)2.6，其表现出高质子电导率（90摄氏度下为0.005-0.02 S cm⁻²）以及优于Nafion的优异氢气阻隔性能。采用该膜制备的H₂燃料电池在90摄氏度下实现了最大电流密度1080 mA cm⁻²和最大功率密度264 mW cm⁻²。此外，该电池在宽广的温度范围（-10-140摄氏度）内有效运行。它有望成为下一代燃料电池，同时解决传统低温和高温燃料电池的挑战。
Keyword:
NANOSHEETS
EXFOLIATION
OXYNITRIDE

期刊

Journal of Materials Chemistry A 封面图
Journal of Materials Chemistry A
IF:
9.5
论文数:
3.3W
被引数:
21.7W

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