Kumar, Yogendra Kim, Tae Hyeong Subiyanto, Iyan Devina, Winda Byun, Segi Nandy, Subhajit Chae, Keun Hwa Lim, Suim Kim, Bumjin Kang, Sanghui Han, Seong Ok Yim, Kanghoon Yoo, Jungjoon Kim, Hyunuk 2024-08-01T05:00:29Z 2024-08-01T05:00:29Z 2024-08-01 2024-09 2050-7488 https://pubs.kist.re.kr/handle/201004/150325 Lithium-ion batteries suffer from reduced capacities and stabilities at low temperature due to poor Li intercalation to the graphite anode. Graphite has a high activation energy (similar to 0.6 eV) to accommodate Li ions, resulting in a substantial capacity drop at low temperatures. Additionally, it can induce the formation of Li dendrites on the surface of graphite. To address this issue, we designed and synthesized a redox-active fluorothianthrene-based MOF (SKIER-5). SKIER-5, which undergoes three-electron redox reactions resulting from the fluorothianthrene-based organic ligand and Ni, exhibited excellent electrochemical performance at various temperatures when used as an anode. In particular, the discharge capacities of SKIER-5 were significantly higher than those of commercial graphite at low temperatures (<-10 degrees C) because of the lower activation energy (similar to 0.23 eV) for charge transfer. Moreover, it maintained stability when cycled at -20 degrees C, highlighting its potential as a promising anode material in low-temperature environments. English Royal Society of Chemistry Redox-active conductive metal-organic framework with high lithium capacities at low temperatures Article 10.1039/d4ta01779j 1 Journal of Materials Chemistry A, v.12, no.33, pp.21732 - 21743 Journal of Materials Chemistry A 12 33 21732 21743 Y scie scopus 001270154400001 2-s2.0-85199087189 Chemistry, Physical Energy & Fuels Materials Science, Multidisciplinary Chemistry Energy & Fuels Materials Science Article ANODE MATERIALS FORCE-FIELD ION POLYMERS CARBON PERFORMANCE LI4TI5O12