WO2025145352A1 - 电池单体、电池及用电设备 - Google Patents
电池单体、电池及用电设备 Download PDFInfo
- Publication number
- WO2025145352A1 WO2025145352A1 PCT/CN2024/070465 CN2024070465W WO2025145352A1 WO 2025145352 A1 WO2025145352 A1 WO 2025145352A1 CN 2024070465 W CN2024070465 W CN 2024070465W WO 2025145352 A1 WO2025145352 A1 WO 2025145352A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insulating member
- battery cell
- electrode
- wall portion
- current collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present application relates to the field of batteries, and in particular to a battery cell, a battery and an electrical device.
- Batteries are widely used in the field of new energy, such as electric vehicles and new energy vehicles. New energy vehicles and electric vehicles have become a new trend in the development of the automotive industry. The development of battery technology must consider many design factors at the same time, such as battery life, energy density, discharge capacity, charge and discharge rate and other performance parameters. In addition, the reliability of the battery must also be considered. However, the reliability of current batteries is poor.
- an embodiment of the present application provides a battery cell, comprising a shell, an electrode assembly, a first insulating member and a second insulating member, the shell having a first wall portion; the electrode assembly is accommodated in the shell, the electrode assembly comprising a first electrode lead-out portion and a main body portion, the first electrode lead-out portion being arranged at one end of the main body portion facing the first wall portion along a first direction; along the first direction, the first insulating member is arranged on a surface of the first wall portion facing the electrode assembly, the first insulating member being used to insulate and isolate the first electrode lead-out portion and the first wall portion; along the first direction, at least a portion of the second insulating member is arranged between the first electrode lead-out portion and the first wall portion, the material damage temperature of the second insulating member is greater than the material damage temperature of the first insulating member, and the second insulating member is configured to insulate and isolate the first electrode lead-out portion and the first wall portion when
- the material damage temperature of the second insulating member is greater than the material damage temperature of the first insulating member, when another battery cell adjacent to the battery cell experiences thermal runaway, causing the first insulating member of the battery cell to melt, the second insulating member can still play a role in insulating and isolating the first electrode lead-out portion and the first wall portion to a certain extent, reducing the risk of the first electrode lead-out portion contacting the first wall portion and causing a short circuit. In this way, even if another battery cell adjacent to the battery cell experiences thermal runaway, it is not easy to cause the battery cell to short-circuit and continue to cause thermal runaway, which is conducive to limiting heat diffusion and improving the reliability of the battery cell.
- the second insulating member is connected to the first electrode lead-out portion.
- the battery cell includes a first electrode terminal, which is arranged on the first wall portion; the first electrode lead-out portion includes a first pole ear and a first current collecting member, the first pole ear is connected to one end of the main body facing the first wall portion along a first direction, and the first current collecting member connects the first electrode terminal and the first pole ear; wherein the second insulating member is connected to the first current collecting member, and along the first direction, the second insulating member is at least partially located between the first current collecting member and the first wall portion.
- the first electrode tab is connected to the first electrode terminal through the first current collecting member.
- the second insulating member is connected to the first current collecting member, and the second insulating member is at least partially located between the first current collecting member and the first wall portion to insulate and isolate the first current collecting member from the first wall portion, thereby reducing the risk of short circuit in the battery cell and improving the reliability of the battery cell.
- the first current collecting component includes a main body and a protruding portion, the protruding portion protrudes from the main body along the first direction, the main body is connected to the first pole ear, and the protruding portion is connected to the first electrode terminal; wherein, along the first direction, the main body has a first surface closest to the first wall portion, and the second insulating member covers at least a portion of the first surface.
- the first surface is the surface of the main body that is closest to the first wall portion, that is, the first surface is the surface on the first current collecting member that is most likely to contact the first wall portion and cause a short circuit.
- the main body portion includes a first connecting portion and a second connecting portion, the second connecting portion is connected to the first connecting portion, the first pole ear is connected to the first connecting portion, and along the first direction, the surface of the first connecting portion facing the first wall portion is the first surface, the second connecting portion has a second surface facing the first wall portion, the first surface is closer to the first wall portion than the second surface, the protrusion protrudes from the second surface, and the second insulating member covers at least a portion of the second surface.
- the battery cell includes a plurality of electrode assemblies, and the plurality of electrode assemblies are arranged along a second direction, and the second direction intersects with the first direction;
- the second surface includes a covering area covered by the second insulating member and a non-covering area not covered by the second insulating member, and along the second direction, both sides of the non-covering area are connected to the covering area, and the protrusion is arranged in the non-covering area.
- both sides of the non-covered area are connected to the covered area.
- the covered area is closer to another battery cell adjacent to the battery cell.
- the temperature of the area near the two ends of the first insulating member is higher and easier to melt, while the temperature of the first insulating member near the middle is lower and relatively difficult to melt.
- the covered area corresponds to the area where the first insulating member is easy to melt
- the non-covered area corresponds to the area where the first insulating member is relatively difficult to melt.
- the first insulating member and the second insulating member cooperate to more effectively insulate and isolate the first current collecting member and the first wall portion, which is beneficial to reduce the risk of short circuit in the battery cell and improve the reliability of the battery cell.
- the battery cell includes a plurality of electrode assemblies, and the plurality of electrode assemblies are arranged along a second direction, and the second direction intersects with the first direction;
- the main body includes a plurality of first connecting portions, and the plurality of first connecting portions are arranged at intervals along the second direction, and the second connecting portion connects the plurality of first connecting portions, and each of the first connecting portions is connected to the first pole ear of one of the electrode assemblies.
- each first connecting portion is connected to the first pole ear of an electrode assembly, and the second connecting portion is connected to multiple first connecting portions to realize the electrical connection between the first current collecting component and the first pole ears of multiple electrode assemblies 22.
- the first pole ears and the first electrode terminal of the multiple electrode assemblies are connected by the first current collecting component, which is conducive to reducing the difficulty of assembly between the first pole ears and the first electrode terminal.
- the second insulating member is provided with an avoidance hole, and the protrusion passes through the avoidance hole and is connected to the first electrode terminal.
- the avoidance hole is provided on the second insulating member to avoid the protrusion, so that the protrusion is connected to the first electrode terminal, which is conducive to reducing the material consumption of the second insulating member.
- the avoidance hole and the protrusion cooperate to limit the second insulating member, so that the second insulating member is not easy to deviate or shift, so that the second insulating member can better play an insulating role.
- the battery cell includes a first electrode terminal, which is arranged on the first wall portion;
- the first electrode lead-out portion includes a first pole ear and a first current collecting member, the first pole ear is connected to one end of the main body facing the first wall portion along the first direction, the first pole ear is connected to the surface of the first current collecting member facing the first wall portion, and the first current collecting member is connected to the first electrode terminal; wherein the second insulating member is connected to the surface of the first pole ear closest to the first wall portion.
- the first electrode tab is directly connected to the first electrode terminal
- the second insulating member is connected to the first electrode tab
- the second insulating member is at least partially located between the first electrode tab and the first wall portion to insulate the first electrode tab from the first wall portion, so that the first electrode tab is electrically isolated from the first electrode terminal.
- the second insulating member has a better insulating effect, further reducing the risk of short circuit in the battery cell, which is beneficial to improving the reliability of the battery cell.
- the projection of the second insulating member does not overlap with the projection of the first electrode terminal.
- the avoidance hole is provided on the second insulating member to avoid the first electrode terminal, so as to facilitate the connection between the first electrode tab and the first electrode terminal, which is conducive to reducing the material consumption of the second insulating member.
- the avoidance hole cooperates with the first electrode terminal to limit the second insulating member, so that the second insulating member is not easy to deviate or shift, so that the second insulating member can better play an insulating role.
- the second insulating member is bonded to the first electrode lead-out portion.
- the second insulating member is coated on the first electrode lead-out portion.
- the first electrode lead-out portion by covering the first electrode lead-out portion with the second insulating member, on the one hand, the first electrode lead-out portion can be well covered, thereby isolating the first electrode lead-out portion from the first wall portion.
- the second insulating member when the second insulating member is covered with the first electrode lead-out portion, the second insulating member is not likely to deviate or shift relative to the first electrode lead-out portion, so that the second insulating member can better play an insulating role.
- the second insulating member is an insulating film connected to the first electrode lead-out portion.
- the second insulating member is an insulating film, which can effectively insulate and isolate the first electrode lead portion and the first wall portion without occupying too much space inside the shell, so that the battery cell can still have a high energy density.
- the material damage temperature of the second insulating member is greater than or equal to 300°C.
- the temperature inside the battery cell can rise to 200° C.
- the material damage temperature of the second insulating member is greater than or equal to 300° C. Therefore, when another battery cell adjacent to the battery cell experiences thermal runaway, it is not easy to cause the second insulating member to melt, so that the second insulating member can play an insulating isolation role and reduce the risk of short circuit of the battery cell.
- the material of the second insulating member includes at least one of polyimide, polyetheretherketone, and polytetrafluoroethylene.
- the positive electrode material includes a battery cell containing lithium phosphate, which will generate a large amount of heat when thermal runaway occurs, thereby easily causing the first insulating member of the battery cell and another adjacent battery cell to melt.
- the lithium-containing phosphate includes at least one of lithium iron phosphate, a composite material of lithium iron phosphate and carbon, lithium manganese phosphate, a composite material of lithium manganese phosphate and carbon, lithium iron manganese phosphate, and a composite material of lithium iron manganese phosphate and carbon.
- an embodiment of the present application further provides an electrical device, wherein the electrical device comprises the above-mentioned battery cell.
- FIG1 is a schematic diagram of the structure of a vehicle provided in some embodiments of the present application.
- FIG3 is a schematic diagram of the structure of a battery cell provided in some embodiments of the present application.
- FIG4 is an exploded view of a battery cell provided in some embodiments of the present application.
- lithium-containing phosphate examples of acid salts may include, but are not limited to, at least one of lithium iron phosphate (such as LiFePO 4 (also referred to as LFP)), a composite material of lithium iron phosphate and carbon, lithium manganese phosphate (such as LiMnPO 4 ), a composite material of lithium manganese phosphate and carbon, lithium iron manganese phosphate, and a composite material of lithium iron manganese phosphate and carbon.
- lithium iron phosphate such as LiFePO 4 (also referred to as LFP)
- LiMnPO 4 lithium manganese phosphate
- LiMnPO 4 lithium manganese phosphate
- LiMnPO 4 lithium manganese phosphate and carbon
- lithium transition metal oxides may include, but are not limited to, lithium cobalt oxide (such as LiCoO 2 ), lithium nickel oxide (such as LiNiO 2 ), lithium manganese oxide (such as LiMnO 2 , LiMn 2 O 4 ), lithium nickel cobalt oxide, lithium manganese cobalt oxide, lithium nickel manganese oxide, lithium nickel cobalt manganese oxide (such as LiNi 1/3 Co 1/3 Mn 1/3 O 2 (also referred to as NCM 333 ), LiNi 0.5 Co 0.2 Mn 0.3 O 2 (also referred to as NCM 523 ), LiNi 0.5 Co 0.25 Mn 0.25 O 2 (also referred to as NCM 211 ), LiNi 0.6 Co 0.2 Mn 0.2 O 2 (also referred to as NCM 622 ), LiNi 0.8 Co 0.1 Mn 0.1 O 2 (also referred to as NCM 811 ), and LiNi 0.8 Co 0.2 Mn 0.2 O 2 (also referred to as NCM 811 ), and
- the positive electrode may be a foamed metal.
- the foamed metal may be a nickel foam, a copper foam, an aluminum foam, an alloy foam, etc.
- the positive electrode active material may not be provided on the surface of the foamed metal, but of course, the positive electrode active material may also be provided.
- a lithium source material, potassium metal or sodium metal may also be filled or/and deposited in the foamed metal, and the lithium source material is lithium metal and/or a lithium-rich material.
- the negative electrode may be a negative electrode sheet, and the negative electrode sheet may include a negative electrode current collector.
- the negative electrode current collector may be a metal foil, a foamed metal or a composite current collector.
- the metal foil aluminum or stainless steel treated with silver, stainless steel, copper, aluminum, nickel, carbon electrode, nickel or titanium, etc. may be used.
- the foamed metal may be a nickel foam, a copper foam, an aluminum foam, an alloy foam, etc.
- the composite current collector may include a polymer material base and a metal layer.
- the composite current collector may be formed by forming a metal material (copper, copper alloy, nickel, nickel alloy, titanium, titanium alloy, silver and silver alloy, etc.) on a polymer material substrate (such as a substrate of polypropylene, polyethylene terephthalate, polybutylene terephthalate, polystyrene, polyethylene, etc.).
- a metal material copper, copper alloy, nickel, nickel alloy, titanium, titanium alloy, silver and silver alloy, etc.
- a polymer material substrate such as a substrate of polypropylene, polyethylene terephthalate, polybutylene terephthalate, polystyrene, polyethylene, etc.
- the negative electrode sheet may include a negative electrode current collector and a negative electrode active material disposed on at least one surface of the negative electrode current collector.
- the negative electrode current collector has two surfaces facing each other in its thickness direction, and the negative electrode active material is disposed on either or both of the two facing surfaces of the negative electrode current collector.
- the negative electrode active material may adopt the negative electrode active material for battery cells known in the art.
- the negative electrode active material may include at least one of the following materials: artificial graphite, natural graphite, soft carbon, hard carbon, silicon-based materials, tin-based materials, lithium titanate, etc.
- the silicon-based material may be selected from at least one of elemental silicon, silicon oxide compounds, silicon-carbon composites, silicon-nitrogen composites, and silicon alloys.
- the tin-based material may be selected from at least one of elemental tin, tin oxide compounds, and tin alloys.
- the present application is not limited to these materials, and other traditional materials that can be used as negative electrode active materials for batteries may also be used. These negative electrode active materials may be used alone or in combination of two or more.
- the separator may be disposed continuously, and disposed between any adjacent positive electrode sheets or negative electrode sheets by folding or winding.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
Abstract
Description
Claims (23)
- 一种电池单体,其中,包括:外壳,具有第一壁部;电极组件,容纳于所述外壳内,所述电极组件包括第一电极引出部和主体部,所述第一电极引出部设置于所述主体部沿第一方向面向所述第一壁部的一端;第一绝缘件,沿所述第一方向,所述第一绝缘件设置于所述第一壁部面向所述电极组件的表面,所述第一绝缘件用于绝缘隔离所述第一电极引出部和所述第一壁部;第二绝缘件,沿所述第一方向,所述第二绝缘件的至少一部分设置于所述第一电极引出部和所述第一壁部之间,所述第二绝缘件的材料损伤温度大于所述第一绝缘件的材料损伤温度。
- 根据权利要求1所述电池单体,其中,所述第二绝缘件连接于所述第一电极引出部。
- 根据权利要求2所述电池单体,其中,所述电池单体包括第一电极端子,所述第一电极端子设置于所述第一壁部;所述第一电极引出部包括第一极耳和第一集流构件,所述第一极耳连接于所述主体部沿第一方向面向所述第一壁部的一端,所述第一集流构件连接所述第一电极端子和所述第一极耳;所述第二绝缘件连接于所述第一集流构件,沿所述第一方向,所述第二绝缘件至少部分位于所述第一集流构件和所述第一壁部之间。
- 根据权利要求3所述电池单体,其中,所述第一集流构件包括本体部和凸出部,所述凸出部沿所述第一方向凸出于所述本体部,所述本体部连接于所述第一极耳,所述凸出部连接于所述第一电极端子;沿所述第一方向,所述本体部具有最靠近所述第一壁部的第一表面,所述第二绝缘件覆盖所述第一表面的至少一部分。
- 根据权利要求4所述电池单体,其中,沿所述第一方向,所述本体部包括第一连接部和第二连接部,所述第二连接部与所述第一连接部相连,所述第一极耳连接于所述第一连接部,沿所述第一方向,所述第一连接部面向所述第一壁部的表面为所述第一表面,所述第二连接部具有面向所述第一壁部的第二表面,所述第一表面相较于所述第二表面更靠近所述第一壁部,所述凸出部凸出于所述第二表面,所述第二绝缘件覆盖所述第二表面的至少一部分。
- 根据权利要求5所述电池单体,其中,所述电池单体包括多个电极组件,多个所述电极组件沿第二方向排布,所述第二方向与所述第一方向相交;所述第二表面包括被所述第二绝缘件覆盖的覆盖区和未被所述第二绝缘件覆盖的非覆盖区,沿所述第二方向,所述非覆盖区的两侧均连接有所述覆盖区,所述凸出部设置于所述非覆盖区。
- 根据权利要求5或6所述电池单体,其中,所述电池单体包括多个电极组件,多个所述电极组件沿第二方向排布,所述第二方向与所述第一方向相交;所述本体部包括多个所述第一连接部,多个所述第一连接部沿所述第二方向间隔排布,所述第二连接部连接多个所述第一连接部,每个所述第一连接部连接一个所述电极组件的所述第一极耳。
- 根据权利要求4-7任一项所述电池单体,其中,沿所述第一方向,所述第二绝缘件完全覆盖所述本体部面向所述第一壁部的表面的未被所述凸出部占用的区域。
- 根据权利要求4-8任一项所述电池单体,其中,所述第二绝缘件设置有避让孔,所述凸出部穿过所述避让孔并与所述第一电极端子连接。
- 根据权利要求3-9任一项所述电池单体,其中,所述第一极耳连接于所述第一集流构件背离所述第一壁部的一侧。
- 根据权利要求2所述电池单体,其中,所述电池单体包括第一电极端子,所述第一电极端子设置于所述第一壁部;所述第一电极引出部包括第一极耳和第一集流构件,所述第一极耳连接于所述主体部沿第一方向面向所述第一壁部的一端,所述第一极耳连接于所述第一集流构件面向所述第一壁部的表面,所述第一集流构件连接于所述第一电极端子;所述第二绝缘件连接于所述第一极耳的最靠近所述第一壁部的表面。
- 根据权利要求2所述电池单体,其中,所述电池单体包括第一电极端子,所述第一电极端子设置于所述第一壁部;所述第一电极引出部包括第一极耳,所述第一极耳连接于所述第一电极端子;所述第二绝缘件连接于所述第一极耳,沿所述第一方向,所述第二绝缘件至少部分位于所述第一极耳和所述第一壁部之间。
- 根据权利要求12所述电池单体,其中,沿所述第一方向,所述第二绝缘件的投影与所述第一电极端子的投影不重叠。
- 根据权利要求12或13所述电池单体,其中,所述第二绝缘件设置有避让孔,所述第一电极端子穿过所述避让孔与所述第一极耳连接。
- 根据权利要求2-14任一项所述电池单体,其中,所述第二绝缘件粘接于所述第一电极引出 部。
- 根据权利要求2-15任一项所述电池单体,其中,所述第二绝缘件包覆于所述第一电极引出部。
- 根据权利要求2-16任一项所述电池单体,其中,所述第二绝缘件为连接于所述第一电极引出部的绝缘膜。
- 根据权利要求1-17任一项所述电池单体,其中,所述第二绝缘件的材料损伤温度大于或等于300℃。
- 根据权利要求18所述电池单体,其中,所述第二绝缘件的材料包括聚酰亚胺、聚醚醚酮、聚四氟乙烯中的至少一者。
- 根据权利要求1-19任一项所述电池单体,其中,所述电池单体的正极材料包括含锂磷酸盐。
- 根据权利要求20所述电池单体,其中,所述含锂磷酸盐包括磷酸铁锂、磷酸铁锂与碳的复合材料、磷酸锰锂、磷酸锰锂与碳的复合材料、磷酸锰铁锂、磷酸锰铁锂与碳的复合材料中的至少一种。
- 一种电池,其中,包括根据权利要求1-21任一项所述的电池单体。
- 一种用电设备,其中,包括根据权利要求1-21任一项所述的电池单体。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480029012.9A CN121079843A (zh) | 2024-01-03 | 2024-01-03 | 电池单体、电池及用电设备 |
| PCT/CN2024/070465 WO2025145352A1 (zh) | 2024-01-03 | 2024-01-03 | 电池单体、电池及用电设备 |
| DE212024000315.8U DE212024000315U1 (de) | 2024-01-03 | 2024-01-03 | Batteriezelle, Batterie und stromverbrauchendes Gerät |
| CN202480029629.0A CN121153167A (zh) | 2024-01-03 | 2024-09-27 | 电池单体、电池及用电设备 |
| KR1020267019812A KR20260115993A (ko) | 2024-01-03 | 2024-09-27 | 배터리셀, 배터리 및 전기기기 |
| PCT/CN2024/122043 WO2025145694A1 (zh) | 2024-01-03 | 2024-09-27 | 电池单体、电池及用电设备 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2024/070465 WO2025145352A1 (zh) | 2024-01-03 | 2024-01-03 | 电池单体、电池及用电设备 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2025145352A1 true WO2025145352A1 (zh) | 2025-07-10 |
Family
ID=96299967
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2024/070465 Pending WO2025145352A1 (zh) | 2024-01-03 | 2024-01-03 | 电池单体、电池及用电设备 |
| PCT/CN2024/122043 Pending WO2025145694A1 (zh) | 2024-01-03 | 2024-09-27 | 电池单体、电池及用电设备 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2024/122043 Pending WO2025145694A1 (zh) | 2024-01-03 | 2024-09-27 | 电池单体、电池及用电设备 |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20260115993A (zh) |
| CN (2) | CN121079843A (zh) |
| DE (1) | DE212024000315U1 (zh) |
| WO (2) | WO2025145352A1 (zh) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070212587A1 (en) * | 2005-04-01 | 2007-09-13 | Nick Fragiadakis | Apparatus for and method of forming seals in an electrochemical cell assembly |
| CN215989141U (zh) * | 2021-05-27 | 2022-03-08 | 宁德时代新能源科技股份有限公司 | 电池单体、电池以及用电装置 |
| CN216120664U (zh) * | 2021-10-20 | 2022-03-22 | 宁德时代新能源科技股份有限公司 | 电池单体、电池及用电装置 |
| CN217507612U (zh) * | 2022-05-20 | 2022-09-27 | 宁德时代新能源科技股份有限公司 | 连接组件、电池单体、电池及用电设备 |
| CN219067008U (zh) * | 2023-01-31 | 2023-05-23 | 宁德时代新能源科技股份有限公司 | 电池单体、电池和用电设备 |
| CN219873812U (zh) * | 2023-02-24 | 2023-10-20 | 宁德时代新能源科技股份有限公司 | 壳体、电池单体、电池及用电设备 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102513320B1 (ko) * | 2015-10-26 | 2023-03-24 | 삼성에스디아이 주식회사 | 이차 전지 |
| WO2022226971A1 (zh) * | 2021-04-30 | 2022-11-03 | 宁德时代新能源科技股份有限公司 | 电池单体及其制造方法和制造系统、电池以及用电装置 |
| CN218957983U (zh) * | 2022-12-14 | 2023-05-02 | 中创新航科技股份有限公司 | 电池 |
| CN220527036U (zh) * | 2023-07-17 | 2024-02-23 | 宁德时代新能源科技股份有限公司 | 端盖组件、电池单体、电池和用电装置 |
| CN221508269U (zh) * | 2024-05-15 | 2024-08-09 | 宁德时代新能源科技股份有限公司 | 电池单体、电池及用电装置 |
-
2024
- 2024-01-03 WO PCT/CN2024/070465 patent/WO2025145352A1/zh active Pending
- 2024-01-03 DE DE212024000315.8U patent/DE212024000315U1/de active Active
- 2024-01-03 CN CN202480029012.9A patent/CN121079843A/zh active Pending
- 2024-09-27 WO PCT/CN2024/122043 patent/WO2025145694A1/zh active Pending
- 2024-09-27 CN CN202480029629.0A patent/CN121153167A/zh active Pending
- 2024-09-27 KR KR1020267019812A patent/KR20260115993A/ko active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070212587A1 (en) * | 2005-04-01 | 2007-09-13 | Nick Fragiadakis | Apparatus for and method of forming seals in an electrochemical cell assembly |
| CN215989141U (zh) * | 2021-05-27 | 2022-03-08 | 宁德时代新能源科技股份有限公司 | 电池单体、电池以及用电装置 |
| CN216120664U (zh) * | 2021-10-20 | 2022-03-22 | 宁德时代新能源科技股份有限公司 | 电池单体、电池及用电装置 |
| CN217507612U (zh) * | 2022-05-20 | 2022-09-27 | 宁德时代新能源科技股份有限公司 | 连接组件、电池单体、电池及用电设备 |
| CN219067008U (zh) * | 2023-01-31 | 2023-05-23 | 宁德时代新能源科技股份有限公司 | 电池单体、电池和用电设备 |
| CN219873812U (zh) * | 2023-02-24 | 2023-10-20 | 宁德时代新能源科技股份有限公司 | 壳体、电池单体、电池及用电设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20260115993A (ko) | 2026-07-27 |
| WO2025145694A1 (zh) | 2025-07-10 |
| CN121079843A (zh) | 2025-12-05 |
| CN121153167A (zh) | 2025-12-16 |
| DE212024000315U1 (de) | 2026-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219759676U (zh) | 电极组件、电池单体、电池和用电设备 | |
| WO2025025306A1 (zh) | 电池单体、电池及用电装置 | |
| WO2025097768A1 (zh) | 电池单体、电池及用电设备 | |
| US20250293313A1 (en) | Electrode assembly, battery cell, battery, and electric apparatus | |
| US20260018712A1 (en) | Battery cell case and manufacturing method therefor, battery cell, battery, and electric apparatus | |
| WO2025011006A1 (zh) | 电池单体、电池及用电设备 | |
| US20250279535A1 (en) | Battery cell, battery, and electrical device | |
| CN118738689A (zh) | 电池单体、电池及用电设备 | |
| WO2025043905A1 (zh) | 电池单体、电池及用电设备 | |
| CN221447209U (zh) | 电极组件、电池单体、电池及用电装置 | |
| CN220692059U (zh) | 极片、电极组件、电池单体、电池及用电装置 | |
| US20260142347A1 (en) | Battery cell, battery, electrical apparatus, and energy storage cabinet | |
| US20250391973A1 (en) | Battery cell, battery, and electrical device | |
| WO2025000688A1 (zh) | 电池单体、电池及用电装置 | |
| CN222355262U (zh) | 电池单体、电池及用电设备 | |
| CN221226274U (zh) | 电池单体、电池及用电装置 | |
| WO2025140135A1 (zh) | 电池单体、电池及用电设备 | |
| CN220821659U (zh) | 电池单体、电池及用电装置 | |
| WO2025213783A1 (zh) | 电池单体、电池及用电装置 | |
| WO2025118586A1 (zh) | 电池单体、电池、用电设备及储能装置 | |
| WO2025145303A1 (zh) | 电池单体、电池及用电装置 | |
| WO2024216920A1 (zh) | 电池单体、电池以及用电装置 | |
| CN221226392U (zh) | 电池单体、电池及用电装置 | |
| WO2025145694A1 (zh) | 电池单体、电池及用电设备 | |
| CN219739242U (zh) | 电池的端盖组件、电池单体、电池及用电装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 24914585 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 212024000315 Country of ref document: DE |
|
| WWG | Wipo information: grant in national office |
Ref document number: 212024000315 Country of ref document: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1020267022981 Country of ref document: KR |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2024914585 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 2024914585 Country of ref document: EP Effective date: 20260722 |