The present invention discloses a combined starting power supply, comprising a lead acid battery, a lithium battery and a lithium battery protection circuit, wherein the lithium battery protection circuit comprises a first input, a second input, a first output and a second output; a negative electrode of the lithium battery is connected to the first input, and a positive electrode of the lithium battery is connected to the second input; and a negative electrode of the lead acid battery is connected to the first output, and a positive electrode of the lead acid battery is connected to the second output. The combined starting power supply of the present invention increases the safety thereof by adopting a lithium battery; and the lithium-ion battery is always put in a safe working state by means of the lithium battery protection circuit during charging and discharging processes. The purposes of the present invention are to remedy the defects of low specific energy and specific power of a lead acid battery, and to provide a starting power supply which has a small volume and a light weight and which is capable of providing an ultra-high power output for various transportation tools, so as to meet the working requirement that a transportation tool, such as a vehicle, can be started instantaneously, while extending the service life of the battery.


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    Title :

    COMBINED STARTING POWER SUPPLY


    Additional title:

    KOMBINIERTE STARTSTROMVERSORGUNG
    ALIMENTATION ÉLECTRIQUE DE DÉMARRAGE COMBINÉE


    Contributors:
    CHEN RONGHUA (author) / WANG DEXI (author)

    Publication date :

    2019-11-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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