The present invention relates to an in-situ analysis kit for an optical microscope for analyzing distribution of a reaction in a battery. More specifically, the present invention provides the in-situ analysis kit for the optical microscope for real-time lithium reaction distribution analysis inside a lithium-ion battery negative electrode. The in-situ analysis kit for the optical microscope for the real-time analysis inside the lithium-ion battery comprises: a bottom portion; a battery supporting portion; a transparent plate; and a top portion.;COPYRIGHT KIPO 2020
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