公开(公告)号：US20200266648A1

公开(公告)日：2020-08-20

申请号：US16738477

申请日：2020-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi HA ,  Hyunjun OH ,  Jungmin LEE ,  Kuchul JUNG ,  Sungjoon CHO ,  Hansol CHOI ,  Kyounghoon KIM ,  Seongil LEE

IPC: H02J7/00

Abstract: An electronic device is provided. The electronic device includes a housing, a battery disposed inside the housing, a power management module for controlling charging of the battery, and at least one processor operationally connected with the battery and the power management module. The at least one processor is provided to direct a plurality of charging intervals while charging the battery, each of the plurality of charging intervals having a target voltage, to alternately charge the battery in a first mode and in a second mode through the power management module, wherein a charging current flowing into the battery is uniformly maintained in the first mode and a voltage of the battery is uniformly maintained in the second mode, and to switch the first mode to the second mode when the voltage of the battery reaches the target voltage in the first mode.

公开(公告)号：US20230179003A1

公开(公告)日：2023-06-08

申请号：US18156400

申请日：2023-01-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Gusup KIM ,  Duhyun KIM ,  Jiyong PARK ,  Seongil LEE ,  Wonjea JANG ,  Yongsub JEON

IPC: H02J7/00 ,  H01M50/512 ,  H01M10/42 ,  H01M10/46 ,  H01M10/48 ,  H01M10/44

CPC classification number: H02J7/00302 ,  H02J7/0047 ,  H02J7/00306 ,  H02J7/0013 ,  H01M50/512 ,  H01M10/425 ,  H01M10/46 ,  H01M10/48 ,  H01M10/441 ,  H01M2220/30 ,  H01M2010/4271 ,  H04M1/0216

Abstract: A method for protecting a battery of an electronic device including a plurality of batteries, includes: measuring a total current (Itotal) value output from a charging module while the plurality of batteries are charged via the charging module; detecting a first current (I1) value output to a first battery via a current limiter; calculating a difference between the total current (Itotal) value and the first current (I1) value to estimate a second current (I2) value transferred to a second battery without passing through any current limiter, where the first battery and the second battery are included in the plurality of batteries; and controlling, based on the estimated second current (I2) value, a current of the second battery, which has the second current (I2) value, by controlling opening/closing of a switching module included in a protection circuit module of the second battery.

公开(公告)号：US20230125681A1

公开(公告)日：2023-04-27

申请号：US17974411

申请日：2022-10-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yongsub JEON ,  Sukhyun LEE ,  Myeongho KIM ,  Hyogon KIM ,  Seongil LEE ,  Wonjea JANG ,  Changryong HEO

IPC: H01M50/102 ,  H01M50/119 ,  H01M50/538 ,  H01M50/519

Abstract: According to various embodiments of the disclosure, a battery may include a battery case has a ring shape, which includes a plurality of spaces physically separated by a plurality of partition walls, and an electrode assembly having a structure formed by stacking a plurality of electrode plates received in at least one space of the plurality of spaces of the battery case, wherein the electrode assembly may include electrode tabs, each of which is drawn out through at least one of the plurality of partition walls along one surface inside the battery case into another space adjacent to the at least one space in which the electrode assembly is received.

公开(公告)号：US20240088534A1

公开(公告)日：2024-03-14

申请号：US18381247

申请日：2023-10-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seongil LEE ,  Yongsub JEON ,  Gusup KIM ,  Youngho SEO

IPC: H01M50/581 ,  H01M50/105 ,  H01M50/119 ,  H01M50/178 ,  H01M50/186

CPC classification number: H01M50/581 ,  H01M50/105 ,  H01M50/119 ,  H01M50/178 ,  H01M50/186

Abstract: According to certain embodiments, a battery comprises: a case comprising an internal space and a metal layer; and an electrode assembly at least partially disposed in the internal space, the electrode assembly comprising a first electrode tab and a second electrode tab; a first critical temperature resistor (CTR) disposed on the first electrode tab and a second CTR disposed in on the second electrode tab, wherein the first CTR and the second CTR overlap an edge of the case, wherein at least one of the first electrode tab and the second electrode tab are configured to be electrically connected to an external component, thereby forming a first conductive path between the electrode assembly and the external component, and wherein the first CTR and the second CTR are electrically connected to the metal layer.

公开(公告)号：US20230155161A1

公开(公告)日：2023-05-18

申请号：US18099725

申请日：2023-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Guyeon KIM ,  Seongil LEE ,  Yongsub JEON ,  Jooyil PYUN

IPC: H01M10/04 ,  H01M50/531 ,  H01M50/586 ,  H01M50/59 ,  H01M10/42

CPC classification number: H01M10/0431 ,  H01M50/531 ,  H01M50/586 ,  H01M50/59 ,  H01M10/4235 ,  H01M2220/30

Abstract: A battery includes: a positive electrode including a positive electrode substrate having a first surface and a second surface, a positive active material applied to the first surface of the positive electrode substrate, and a positive electrode tab attached to the first surface of the positive electrode substrate; a negative electrode including a negative electrode substrate having a first surface and a second surface, a negative active material applied to the first surface of the negative electrode substrate, and a negative electrode tab attached to the first surface of the negative electrode substrate; and a separator provided between the positive electrode and the negative electrode, wherein the first surface of the negative electrode substrate includes a first region to which the negative active material is not applied and which faces the positive electrode tab, the first surface of the negative electrode substrate includes a second region to which the negative active material is applied and which is adjacent to the first region in a longitudinal direction of the positive electrode tab, and the negative electrode includes an insulating layer disposed in at least a portion of the first region.