Patil, Kailash Yashvant Yoon, Sung Pil Han, Jonghee Lim, Tae-Hoon Nam, Suk Woo Oh, In-Hwan 2024-01-20T17:03:44Z 2024-01-20T17:03:44Z 2021-09-02 2011-05 0360-3199 https://pubs.kist.re.kr/handle/201004/130406 The effect of lithium hydroxide (LiOH) addition as a lithium source is discussed as a way to prevent Li-ion shortages in aluminum-based alpha-LiAlO2 matrices of molten carbonate fuel cells. Our results show that the use of LiOH as a lithium source to prevent a Li-ion shortage caused by a lithiated Al-reaction during the operation of the cell allows for more stable performance and greater durability than when lithium carbonate (Li2CO3) is used as the lithium source. The behavior of high-lithium content mixtures is attributed to the presence of reactive aluminum particles, which promote the formation of lithium aluminate (LiAlO2) phases at 650 degrees C. The incorporation of low-melting-point lithium and an efficient pathway to the aluminum in a reinforced matrix has improved the in-situ mechanical strength via the lithiated Al-reaction, and they do not lead to any noticeable loss in cell performance, even after 4000 h of operation. From the post-test results, the cell with LiOH stored in the cathode channel shows effective formation of the stable crystalline phase of alpha-LiAlO2 and enhancement of the mechanical strength during cell operation. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. English PERGAMON-ELSEVIER SCIENCE LTD ELECTROLYTE MATRIX CRYSTAL-GROWTH STABILITY LIALO2 PARTICLES The effect of lithium addition on aluminum-reinforced alpha-LiAlO2 matrices for molten carbonate fuel cells Article 10.1016/j.ijhydene.2011.01.161 1 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.36, no.10, pp.6237 - 6247 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 36 10 6237 6247 scie scopus 000290922600053 2-s2.0-79955482388 Chemistry, Physical Electrochemistry Energy & Fuels Chemistry Electrochemistry Energy & Fuels Article ELECTROLYTE MATRIX CRYSTAL-GROWTH STABILITY LIALO2 PARTICLES Molten carbonate fuel cell Al-particles reinforced matrix Lithium shortage Reinforced alpha-lithium aluminate matrix