A secondary battery includes a case having an opening, an electrode assembly in the case, and a cap assembly configured to seal the opening of the case, the cap assembly including a cap-up exposed to an outside of the case, a vent plate between the cap-up ...

The present disclosure provides an insulation structure and a battery. The insulation structure includes an insulation body and a baffle. The baffle is provided on at least one side of the insulation body in the width direction. The baffle is rotatably con...

A secondary battery includes: an electrode assembly including an electrode stack including a first electrode, a separator, and a second electrode; a first electrode tab and a second electrode tab protruding from a top surface of the electrode stack; a firs...

A battery cell can comprise a housing comprising a wall, at least one battery terminal, and an electrode material comprising electrode tabs. At least a portion of the electrode material can extend along the wall inside the housing. The electrode tabs can b...