# US 12,224,448 B2 · Cell frame set and energy storage device package including cell frame set > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,448 B2 - Document ID: US12224448B2 - Status: Granted - Kind: B2 - Application number: 17/189,100 - Filed: 2021-03-01 - Published: 2021-06-17 - Granted: 2025-02-11 - Earliest claimed: 2019-09-29 - Assignees: Ningde Amperex Technology Limited - Applicants: Ningde Amperex Technology Limited - Inventors: Jinbing Zhou; Xin Wang - Web page: https://patentgrep.com/patent/US12224448B2 ## CPC - H01M 50/202: Casings or frames around the primary casing of a single cell or a single battery - H01M 50/207: characterised by their shape - H01M 10/613: Cooling or keeping cold - H01M 10/647: Prismatic or flat cells, e.g. pouch cells - H01M 10/6551: Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings - H01M 50/227: Organic material - H01M 50/264: for cells or batteries, e.g. straps, tie rods or peripheral frames - H01M 50/269: Mechanical means for varying the arrangement of batteries or cells for different uses, e.g. for changing the number of batteries or for switching between series and parallel wiring (methods or arrangements for servicing or maintenance H01M6/50, H01M10/42) - H01M 50/271: Lids or covers for the racks or secondary casings - H01M 50/298: characterised by the wiring of battery packs - H01M 50/502: Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing - H01M 50/514: Methods for interconnecting adjacent batteries or cells - H01M 50/528: Fixed electrical connections, i.e. not intended for disconnection - H01M 50/548: on opposite sides of the cell - H01M 50/557: Plate-shaped terminals - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A cell frame set, including a first frame and a second frame. The first frame includes a first side edge and a second side edge opposite to the first side edge; the first side edge and the second side edge of the first frame are provided with protruding structures. The second frame includes a first side edge and a second side edge opposite to the first side edge; the first side edge and the second side edge of the second frame are provided with fitting members. The protruding structure of the first frame forms a tight fit with the fitting member of the second frame. ## Claims ### Claim 1 A cell frame set for a cell, comprising: a first frame having a first side edge of the first frame and a second side edge of the first frame opposite to the first side edge of the first frame, wherein the first side edge of the first frame and the second side edge of the first frame are provided with protruding structures; and a second frame having a first side edge of the second frame and a second side edge of the second frame opposite to the first side edge of the second frame, wherein the first side edge of the second frame and the second side edge of the second frame are provided with fitting structures, wherein, the protruding structures of the first frame form a fit with the fitting structures of the second frame; the first frame further comprises a third side edge of the first frame and a fourth side edge of the first frame opposite to the third side edge of the first frame, the first frame is provided with a first baffle plate at the third side edge of the first frame; the first baffle plate comprises a two-layer stepped structure with a support region; the cell frame set is configured to structurally support the cell such that: the cell extends in a first direction from the third side edge of the first frame to the fourth side edge of the first frame; and the support region supports a cell tab of the cell, wherein the cell tab rests on the support region of the two-stepped layer structure and has a first bend in a second direction perpendicular to the first direction and has a second bend in a third direction opposite to the second direction, such that the bent cell tab forms a U shape; and the first baffle plate separates bent cell tabs of adjacent layers of cells from each other. ### Claim 2 (depends on 1) The cell frame set according to claim 1, wherein the first frame is provided with a second baffle plate at the fourth side edge. ### Claim 3 (depends on 2) The cell frame set according to claim 2, wherein the second baffle plate is a double-layer stepped structural member. ### Claim 4 (depends on 1) The cell frame set according to claim 1, wherein the first frame is provided with convex structures at intersections of (i) the first side edge of the first frame, (ii) the third side edge of the first frame, and (iii) the fourth side edge of the first frame; and at intersections of (1) the second side edge of the first frame, (2) the third side edge of the first frame, and (3) the fourth side edge of the first frame. ### Claim 5 (depends on 1) The cell frame set according to claim 1, wherein two sides of the U shape are perpendicular to the first direction. ### Claim 6 A cell frame set for a cell, comprising: a first frame having a first side edge of the first frame and a second side edge of the first frame opposite to the first side edge of the first frame, wherein the first side edge of the first frame and the second side edge of the first frame are provided with protruding structures; a second frame having a first side edge of the second frame and a second side edge of the second frame opposite to the first side edge of the second frame, wherein the first side edge of the second frame and the second side edge of the second frame are provided with fitting structures; at least one intermediate frame disposed between the first frame and the second frame, each of the at least one intermediate frame having a first side edge and a second side edge opposite to the first side edge, wherein the first side edge and the second side edge of the each of the at least one intermediate frame are provided with a protruding structure and a fitting structure corresponding to the protruding structure; the protruding structure of one intermediate frame forms a fit with the fitting structure of the second frame, the fitting structure of the one intermediate frame or another intermediate frame forms a fit with the protruding structure of the first frame; the first frame further comprises a third side edge of the first frame and a fourth side edge of the first frame opposite to the third side edge of the first frame, the first frame is provided with a first baffle plate at the third side edge of the first frame; the first baffle plate comprises a two-layer stepped structure with a support region; the cell extends in a first direction from the third side edge of the first frame to the fourth side edge of the first frame; the support region supports a cell tab of the cell, wherein the cell tab rests on the support region of the two-stepped layer structure and has a first bend in a second direction perpendicular to the first direction and has a second bend in a third direction opposite to the second direction, such that the bent cell tab forms a U shape; and the first baffle plate separates bent cell tabs of adjacent layers of cells from each other. ### Claim 7 (depends on 6) The cell frame set according to claim 6, wherein the first frame is provided with a second baffle plate at the fourth side edge. ### Claim 8 (depends on 6) The cell frame set according to claim 6, wherein the first side edge of the intermediate frame is correspondingly combined with the second side edge of the adjacent intermediate frame. ### Claim 9 (depends on 6) The cell frame set according to claim 6, wherein: the first frame is provided with convex structures at intersections of (i) the first side edge of the first frame, (ii) the third side edge of the first frame, and (iii) the fourth side edge of the first frame; and the first frame is provided with the convex structures at intersections of (1) the second side edge of the first frame, (2) the third side edge of the first frame, and (3) the fourth side edge of the first frame. ### Claim 10 (depends on 6) The cell frame set according to claim 6, wherein the first side edge of the intermediate frame comprises a first pattern on a first surface, and the second side edge of the intermediate frame comprises a second pattern on a first surface, wherein the first pattern and the second pattern have a fool-proof function. ### Claim 11 (depends on 6) The cell frame set according to claim 6, wherein two sides of the U shape are perpendicular to the first direction. ### Claim 12 An energy storage device package, comprising: a fixing steel strip; a package housing; and a cell frame set for a cell, comprising: a first frame having a first side edge of the first frame and a second side edge of the first frame opposite to the first side edge of the first frame, wherein the first side edge of the first frame and the second side edge of the first frame are provided with protruding structures; and a second frame having a first side edge of the second frame and a second side edge of the second frame opposite to the first side edge of the second frame, wherein the first side edge of the second frame and the second side edge of the second frame are provided with fitting structures, wherein, the protruding structures of the first frame form a fit with the fitting structures of the second frame; the first frame further comprises a third side edge of the first frame and a fourth side edge of the first frame opposite to the third side edge of the first frame, the first frame is provided with a first baffle plate at the third side edge of the first frame; the first baffle plate comprises a two-layer stepped structure with a support region; the cell frame set is configured to structurally support the cell such that: the cell extends in a first direction from the third side edge of the first frame to the fourth side edge of the first frame; and the support region supports a cell tab of the cell, wherein the cell tab rests on the support region of the two-stepped layer structure and has a first bend in a second direction perpendicular to the first direction and has a second bend in a third direction opposite to the second direction, such that the bent cell tab forms a U shape; and the first baffle plate separates bent cell tabs of adjacent layers of cells from each other; and wherein the fixing steel strip surrounds and fixes the cell frame set, and the package housing covers the fixed cell frame set. ### Claim 13 (depends on 12) The energy storage device package according to claim 12, wherein the package housing comprises a fiber material and a resin material, wherein the fiber material is selected from the group consisting of glass fibers, carbon fibers and a combination thereof, and the resin material is selected from the group consisting of an ABS resin, a PC resin, a PA66 resin and a combination thereof. ### Claim 14 (depends on 12) The energy storage device package according to claim 12, wherein the package housing comprises an upper cover, a lower cover and two side covers, wherein the upper cover further comprises grooves disposed at two ends thereof. ### Claim 15 (depends on 14) The energy storage device package according to claim 14, wherein the upper cover has a first surface and a second surface, the first surface has a plurality of first through holes, the second surface has a plurality of second through holes, and the plurality of first through holes are not aligned with the plurality of second through holes in a direction perpendicular to the first surface. ### Claim 16 (depends on 12) The energy storage device package according to claim 12, further comprising: an insulator, wherein the insulator covers a first portion of the fixing steel strip and exposes a second portion of the fixing steel strip. ### Claim 17 (depends on 12) The energy storage device package according to claim 12, further comprising: a cell, wherein: the first baffle plate provides a support region such that a cell tab of the cell is bent in a direction perpendicular to an extending direction of the cell in the support region.