Back to results
US 9,431,636 B2Granted
Rechargeable battery
AssigneeSamsung SDI Co., Ltd.
InventorsSang-Joo Lee, Heui-Sang Yoon
Life of this patent
Estimating the term…
Abstract
A battery includes a pouch type case formed of a flexible material and the case has a bottom with a recess portion and a protrusion portion, an electrode assembly within the case, and a support member coupled to the recess portion and to the protrusion portion at the bottom of the case. The support member fixes shapes of the recess portion and the protrusion portion, and the support member is coupled to an outside of the case at the bottom of the case.
Claims16
A battery, comprising:
- a case formed of a moldable material in a form of a pouch, the case having a bottom portion including a recess portion and a protrusion portion;
- an electrode assembly within the case, the electrode assembly having a bottom surface on the bottom portion of the case;
- and
- a support member to support the bottom portion of the case and to fix shapes of the recess portion and the protrusion portion of the bottom portion of the case, the support member having a top surface on the bottom portion of the case, the top surface extending along the bottom surface of the electrode assembly, wherein
- the recess portion and the protrusion portion of the bottom portion of the case are arranged along the bottom surface of the electrode assembly and are between the bottom surface of the electrode assembly and the top surface of the support member.
2 more elements
A method of manufacturing a battery, the method comprising:
- arranging an electrode assembly within a case in a form of a pouch, the electrode assembly having a bottom surface on a bottom portion of the case;
- pressing and flattening the bottom portion of the case to form a recess portion and a protrusion portion at the bottom portion of the case such that a surplus space in the case is reduced;
- and
- providing a support member having a top surface on the bottom portion of the case, the top surface extending along the bottom surface of the electrode assembly, after pressing and flattening the bottom portion of the case, the support member to support the bottom portion of the case, wherein
- the recess portion and the protrusion portion at the bottom portion of the case are arranged along the bottom surface of the electrode assembly and are between the bottom surface of the electrode assembly and the top surface of the support member.
2 more elements
Dependencies are inferred from the claim text.