The present disclosure provides a pre-lithiation reaction chamber apparatus including a pre-lithiation reaction vessel which can prevent harmful effects caused by water that may be generated during pre-lithiation, wherein the pre-lithiation reaction vessel includes an electrolyte, a negative electrode for a lithium secondary battery and a lithium ion-supplying member, each of the negative electrode for a lithium secondary battery and the lithium ion-supplying member is at least partially in contact with the electrolyte, the electrolyte includes a lithium salt, the pre-lithiation reaction chamber apparatus further includes a water-capturing member, and the water-capturing member includes: water-capturing powder; a container configured to receive the water-capturing powder; and a position-changing member configured to change the position of the water-capturing powder in the container.
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