Patent ID: 9070928
Filing Date: 2015-06-30
Classification: H01M,Y02E

Abstract:
1. A high temperature-proof device for a lithium battery, comprising: a lithium battery including a battery core; a casing encapsulating the battery core, said casing having multiple faces; a sealing board installed at one of said faces of said casing, said sealing board having at least one through-hole; a top cover protruding from said sealing board, wherein said top cover having at least one exhaust hole; an engagement member being fixed to an interior of said top cover and having a longitudinally extending axis, said engagement member having an axially extended first exhaust channel and at least one second exhaust channel extending transversely and obliquely with respect to said axis of said engagement member, said first exhaust channel being in fluid communication with said at least one exhaust hole and said at least one second exhaust channel being in fluid communication with said first exhaust channel; and a low melting point material wholly contained within said at least one second exhaust channel, said low melting point material having a melting point lower than that of said engagement member.