Lithium battery core bracket and power battery pack

The invention discloses a lithium battery core bracket and a power battery pack, wherein the lithium battery core bracket comprises a ceramic shell and a metal arc-shaped body; the ceramic shell is a vertically transparent ceramic sintered part; inwardly concave locating protrusion clamps are on four side surfaces of the ceramic shell; the metal arc-shaped body is a (-shaped metal sheet stamped part; four corners of the ceramic shell are each provided with a metal arc-shaped body; two edges of the metal arc-shaped body are clamped on the locating protrusion clamp; a battery core is clamped in the centre of each metal arc-shaped body; and the outside surface of the battery core and the four metal arc-shaped plates are in line contact. According to the lithium battery core bracket and the power battery pack disclosed by the invention, a core part is the ceramic shell; use requirements of a lithium battery can be satisfied regardless of the high-temperature resistant performance, the strength and the insulation