Patent ID: 9735399
Date: 2017-08-15
CPC Classifications: H01M,Y02E,Y02P,Y10T

Claim:
1. A secondary battery pack comprising: a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, the battery cell having first and second electrode terminals formed at a top thereof; an electrically insulative mounting member having an opening, through which the second electrode terminal of the battery cell is exposed, the electrically insulative mounting member being mounted to a top of the battery cell; a protection circuit module (PCM) comprising a protection circuit board (PCB), having a protection circuit, loaded on the electrically insulative mounting member, a first connection member (A) connected to a first electrode terminal of the battery cell, and a second connection member (B) connected to the second electrode terminal of the battery cell via a safety element, the PCB being provided with a through hole, through which the second connection member (B) is exposed; and an insulative cap coupled to an upper end of the battery cell to surround the electrically insulative mounting member in a state in which the connection members and the protection circuit board are loaded on the electrically insulative mounting member, wherein a sum of a height of the PCM and a height of the insulative cap is 3.0 mm or less, wherein the second connection member (B) is coupled to a bottom of the PCB at the through hole, wherein the safety element is a positive temperature coefficient (PTC) element, wherein the PTC element comprises a PTC body, a PCM coupling part coupled to a top of the PTC body, and a battery cell coupling part coupled to a bottom of the PTC body, the PCM coupling part being coupled to the second connection member (B), and wherein the second electrode terminal is an anode terminal protruding from a middle of the top of the battery cell, and the first electrode terminal is a cathode terminal formed at the top of the battery cell excluding the anode terminal.