Secondary cell

Secondary cell

  • CN 206,742,364 U
  • Filed: 04/07/2017
  • Issued: 12/12/2017
  • Est. Priority Date: 04/07/2017
  • Status: Active Grant
First Claim
Patent Images

1. a kind of secondary cell, including:

  • Top cover (1), there is the first pole (11);

    Battery core (2), there is main body (21) and opposite polarity first lug (22) and the second pole that are arranged in main body (21)Ear (23);

    AndFirst connection sheet (3), it is connected between the first lug (22) and the first pole (11);

    Characterized in that,First lug (22) has:

    First connecting portion (221), it is arranged on below the first connection sheet (3);

    AndFirst kink (222), the main body (21) and first connecting portion (221) of connection battery core (2);

    The secondary cell also includes:

    First screening glass (4), it is fixed on below first connecting portion (221);

    First screening glass (4) includes main part (41) and the first curled portion (43), the first curled portion (43) connection main part (41)The outer end of (W) in the width direction and relative to main part (41) crimp;

    Wherein, the first kink (222) is bent downwards around the arc outer wall of the first curled portion (43).

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