# US 12,763,435 B2 · Cell stack support for a vehicle battery cell > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,763,435 B2 - Document ID: US12763435B2 - Status: Granted - Kind: B2 - Application number: 18/335,521 - Filed: 2023-06-15 - Published: 2024-12-19 - Granted: 2026-10-13 - Earliest claimed: 2023-06-15 - Assignees: GM Global Technology Operations LLC - Applicants: GM Global Technology Operations LLC - Inventors: Liang Xi; Fengkun Wang; Lei Wang; SriLakshmi Katar - Web page: https://patentgrep.com/patent/US12763435B2 ## CPC - H01M 50/477: characterised by their shape - B60K 1/04: of the electric storage means for propulsion - B60L 50/64: Constructional details of batteries specially adapted for electric vehicles - H01M 50/103: prismatic or rectangular (H01M50/109, H01M50/11 take precedence) - H01M 50/367: Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems - H01M 50/474: characterised by their position inside the cells - H01M 50/486: Organic material - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES ## Abstract A battery cell for a vehicle includes a cell can having a first wall, a second wall, a first side wall and a second side wall. The first wall, the second wall, the first side wall, and the second side wall defining an electrode stack receiving zone. A vent formed in the second wall. The vent fluidically connects the electrode stack receiving zone with an exterior of the cell can. An electrode stack is positioned in the electrode stack receiving zone. The electrode stack is spaced from of the first side wall by a channel. The cell can includes a plurality of raised ribs formed in the second wall. Each of the plurality of raised ribs includes a support surface. The electrode stack rests on the support surface in the electrode stack receiving zone. ## Claims ### Claim 1 A battery cell for a vehicle comprising: a cell can including a first wall, a second wall disposed opposite the first wall, a first side wall extending between and connecting the first wall with the second wall, and a second side wall, positioned opposite the first side wall extending between and connecting the first wall with the second wall, the first wall, the second wall, the first side wall, and the second side wall defining an electrode stack receiving zone; a vent formed in the second wall, the vent being spaced from the first side wall and the second side wall, the vent fluidically connecting the electrode stack receiving zone with an exterior of the cell can; and an electrode stack positioned in the electrode stack receiving zone, the electrode stack being spaced from of the first side wall by a channel, wherein the cell can includes a plurality of raised ribs formed in the second wall, each of the plurality of raised ribs including a support surface, the electrode stack resting on the support surface in the electrode stack receiving zone. ### Claim 2 (depends on 1) The battery cell according to claim 1, wherein the plurality of raised ribs includes a first plurality of ribs formed in the second wall and extending between the first side wall and the vent and a second plurality of ribs formed in the second wall between the second side wall and the vent. ### Claim 3 (depends on 1) The battery cell according to claim 1, wherein each of the plurality of raised ribs includes a rectangular cross-section. ### Claim 4 (depends on 1) The battery cell according to claim 1, wherein each of the plurality of raised ribs includes a circular cross-section. ### Claim 5 (depends on 1) The battery cell according to claim 1, wherein each of the plurality of raised ribs includes a plurality of raised bumps formed in the second wall. ### Claim 6 (depends on 1) The battery cell according to claim 1, further comprising a plurality of passages extending between the first side wall and the vent, the plurality of passages being formed from the plurality of raised ribs. ### Claim 7 (depends on 6) The battery cell according to claim 6, further comprising a channel extending between the electrode stack and the first side wall, the channel being fluidically connected with the plurality of passages. ### Claim 8 (depends on 6) The battery cell according to claim 6, wherein the plurality of passages includes a first plurality of passages extending between the first side wall and the vent and a second plurality of passages extending substantially perpendicularly to the first plurality of passages. ### Claim 9 (depends on 1) The battery cell according to claim 1, wherein the plurality of raised ribs includes a first plurality of ribs formed in the second wall establishing a first plurality of passages extending between the first side wall and the vent and a second plurality of ribs formed in the second wall establishing a second plurality of passages extending between the second side wall and the vent. ### Claim 10 (depends on 1) The battery cell according to claim 1, further comprising a plastic support member arranged between the electrode stack and the support surface. ### Claim 11 A vehicle comprising: a body; an electric motor supported in the body; and a battery pack supported in the body and connected to the electric motor, the battery pack including a battery cell comprising: a cell can including a first wall, a second wall disposed opposite the first wall, a first side wall extending between and connecting the first wall with the second wall, and a second side wall, positioned opposite the first side wall extending between and connecting the first wall with the second wall, the first wall, the second wall, the first side wall, and the second side wall defining an electrode stack receiving zone; a vent formed in the second wall, the vent being spaced from the first side wall and the second side wall, the vent fluidically connecting the electrode stack receiving zone with an exterior of the cell can; and an electrode stack positioned in the electrode stack receiving zone, the electrode stack being spaced from of the first side wall by a channel, wherein the cell can includes a plurality of raised ribs formed in the second wall, each of the plurality of raised ribs including a support surface, the electrode stack resting on the support surface in the electrode stack receiving zone. ### Claim 12 (depends on 11) The vehicle according to claim 11, wherein the plurality of raised ribs includes a first plurality of ribs formed in the second wall and extending between the first side wall and the vent and a second plurality of ribs formed in the second wall between the second side wall and the vent. ### Claim 13 (depends on 11) The vehicle according to claim 11, wherein each of the plurality of raised ribs includes a rectangular cross-section. ### Claim 14 (depends on 11) The vehicle according to claim 11, wherein each of the plurality of raised ribs includes a circular cross-section. ### Claim 15 (depends on 11) The vehicle according to claim 11, wherein each of the plurality of raised ribs includes a plurality of raised bumps formed in the second wall. ### Claim 16 (depends on 11) The vehicle according to claim 11, further comprising a plurality of passages extending between the first side wall and the vent, the plurality of passages being formed from the plurality of raised ribs. ### Claim 17 (depends on 16) The vehicle according to claim 16, further comprising a channel extending between the electrode stack and the first side wall, the channel being fluidically connected with the plurality of passages. ### Claim 18 (depends on 16) The vehicle according to claim 16, wherein the plurality of passages includes a first plurality of passages extending between the first side wall and the vent and a second plurality of passages extending substantially perpendicularly to the first plurality of passages. ### Claim 19 (depends on 11) The vehicle according to claim 11, wherein the plurality of raised ribs includes a first plurality of ribs formed in the second wall establishing a first plurality of passages extending between the first side wall and the vent and a second plurality of ribs formed in the second wall establishing a second plurality of passages extending between the second side wall and the vent. ### Claim 20 (depends on 11) The vehicle according to claim 11, further comprising a plastic support member arranged between the electrode stack and the support surface.