US 12,113,248 B2Granted

Connector of large cylindrical battery, battery module and battery pack

AssigneeEve Power Co., Ltd.

InventorGuojiang Zhang

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Abstract

The present application relates to the technical field of batteries and discloses a connector for a large cylindrical battery, a battery module, and a battery pack. The connector for the large cylindrical battery is configured for a large cylindrical battery having a positive electrode and a negative electrode on a same side, and includes a plurality of conductive units. Each conductive unit includes a positive-electrode connecting region, a negative-electrode connecting region, and a first current-limiting region provided between the positive-electrode connecting region and the negative-electrode connecting region. Adjacent conductive units are electrically connected to each other via a connection member.

Claims14

Dependent claims

A connector of a large cylindrical battery, configured for a large cylindrical battery having a positive electrode and a negative electrode on a same side, and the connector comprising a plurality of conductive units;

wherein each of the plurality of conductive units comprises a positive-electrode connecting region, a negative-electrode connecting region, and a first current-limiting region arranged between the positive-electrode connecting region and the negative-electrode connecting region;
when a temperature of a circuit reaches a melting point of the first current-limiting region, the first current-limiting region is fused;
and
every two adjacent conductive units of the plurality of conductive units are electrically connected to each other by a connecting member;
wherein the connecting member is connected between the positive-electrode connecting region of one of the two adjacent conductive units and the positive-electrode connecting region of the other one of the two adjacent conductive units;
a second current-limiting region is arranged on the connecting member;
when the temperature of the circuit reaches a melting point of the second current-limiting region, the second current-limiting region is fused;
and
each of the first current-limiting region and the second connecting member defines at least one through hole.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/091,416Filed 30 Dec 2022 · continuation
Priority: CN 202220226680.925 Jan 2022
Published: US 2023/0238673 A127 Jul 2023
Granted: 8 Oct 2024
Term ends: Not estimatedThe source records don’t support an estimate.

Classification17 codes

H01M 50/581
Devices or arrangements for the interruption of current: in response to temperature
H01M 50/107
Characterised by their shape or physical structure: having curved cross-section, e.g. round or elliptic
H01M 50/213
Characterised by their shape: adapted for cells having curved cross-section, e.g. round or elliptic
H01M 50/50
Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells:…

Family

PCT/CN2022/129989Parent of this continuation · filed 4 Nov 2022
US 2023/0238673 A1Pre-grant publication · published 27 Jul 2023
US 12,113,248 B2This patent

From the US filing history. Foreign family members aren’t listed.

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