| 摘要 |
<p>The present invention relates to a lithium secondary battery in which internal protection circuit id provided, the lithium secondary battery includes case (1), battery core (2) and electrolyte, the protection circuit module (4) provided in battery cavity is designed during the connection of a positive terminal (21) with a positive output end (31) and a negative terminal (22) with a negative output end (32) of the battery; in the application, the battery has high security under abnormal conditions such as short-circuit, overcharged, over-discharged, over-current, etc; it has become an indispensable new type of power supply for the portable electronic apparatus such as portable telephone.</p> |
