Safety apparatus and protection method of secondary battery for electric vehicle using switch

The present invention relates to a safety apparatus and a protection method of a secondary battery, which can prevent explosion and fire of the secondary battery using a switch or a rupture switch attached on the outside of the secondary battery if a swelling degree of the secondary battery reaches...

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Bibliographic Details
Main Authors Oh Jeon Keun, Jang Sooyeup
Format Patent
LanguageEnglish
Published 09.01.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES
ELECTRIC SWITCHES
ELECTRICITY
ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL
EMERGENCY PROTECTIVE DEVICES
MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES
PERFORMING OPERATIONS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
RELAYS
SELECTORS
TRANSPORTING
VEHICLES IN GENERAL
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Summary:The present invention relates to a safety apparatus and a protection method of a secondary battery, which can prevent explosion and fire of the secondary battery using a switch or a rupture switch attached on the outside of the secondary battery if a swelling degree of the secondary battery reaches a predetermined value when the secondary battery is swelled due to abnormal usage such as overcharge, short-circuit, reverse-connection and heat-exposure of large-capacity lithium polymer battery.
Bibliography:Application Number: US201414506940