| Summary: | Research and development of Lithium Ion Battery (LIB) have been extensively performed based on material science and cell technology. In order to accelerate the development of LIB, a multi-scale researches have to be conducted under one roof. Here, several researches from nm scale to m scale on LIB were introduced to discuss an importance of multi-scale research. Then, the new platform for LIB development was proposed based on our several researches. (1) Interfacial analysis between cathode and electrolyte in LIB by using in-situ Fourier Transform Infrared method, (2) Preparation of LiFePO4 (LFP) with carbon coating, (3) Interfacial analysis on lithium metal anode for solid electrolyte interphase (SEI), (4) Preparation of 3 dimensionally ordered macroporous separator and its application to lithium metal battery, (5) Single particle measurement for evaluation of composite electrodes, (6) Failure mode analysis of LFP/Graphite cell.
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