# US 12,600,219 B2 · Inverted battery pack assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,600,219 B2 - Document ID: US12600219B2 - Status: Granted - Kind: B2 - Application number: 18/347,128 - Filed: 2023-07-05 - Published: 2025-01-09 - Granted: 2026-04-14 - Earliest claimed: 2023-07-05 - Assignees: GM Global Technology Operations LLC - Applicants: GM Global Technology Operations LLC - Inventors: Lu Huang; Hui-ping Wang; Dohyun Leem; Joshua Lee Solomon; Derek Frei Lahr; Blair E. Carlson - Web page: https://patentgrep.com/patent/US12600219B2 ## CPC - B60K 1/04: of the electric storage means for propulsion - B60L 50/64: Constructional details of batteries specially adapted for electric vehicles - B60L 50/66: {Arrangements of batteries} - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - H01M 50/262: with fastening means, e.g. locks - H01M 50/264: for cells or batteries, e.g. straps, tie rods or peripheral frames - H01M 50/271: Lids or covers for the racks or secondary casings - B60K 2001/0438: {Arrangement under the floor} - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - 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 - 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 rechargeable energy storage system for a vehicle including a bottom shear plate and a side enclosure having a bottom end connected to the bottom shear plate. A top shear plate is connected to a top end of the side enclosure and a plurality of battery cells are suspended from a bottom of the top shear plate by corresponding mating features that secure the plurality of cells to the top shear plate. ## Claims ### Claim 1 A rechargeable energy storage system for a vehicle, comprising: a bottom shear plate; a side enclosure having a bottom end connected to the bottom shear plate; a top shear plate connected to a top end of the side enclosure; and a plurality of battery cells are suspended directly from a bottom of the top shear plate by corresponding mating features that secure the plurality of cells to the top shear plate, the corresponding mating features including a plurality of first mating features formed directly on the shear plate for receiving a plurality of second mating features formed directly on the plurality of battery cells, wherein the plurality of first mating features include one of: i) a threaded protrusion on the plurality of battery cells, ii) a protruding portion on the plurality of battery cells, and iii) a flange on the plurality of battery cells; and the plurality of second mating features include a corresponding one of: i) a plurality of threaded apertures on the shear plate for receiving a respective one of the threaded protrusions on the plurality of battery cells, ii) a plurality of apertures on the shear plate wherein the plurality of apertures include an elastic retention feature wherein the apertures include an elastic retention feature for engaging a respective one of the protruding portions on the plurality of battery cells, and iii) a plurality of slots on the shear plate for receiving a respective one of the flanges of the plurality of battery cells. ### Claim 2 (depends on 1) The rechargeable energy storage system according to claim 1, wherein the top shear plate is a vehicle floor panel. ### Claim 3 (depends on 1) The rechargeable energy storage system according to claim 1, wherein the elastic retention feature includes a pair of rails that engage a recess in the protruding portion. ### Claim 4 (depends on 1) The rechargeable energy storage system according to claim 1, wherein the plurality of battery cells have electrode terminals that face the bottom shear plate. ### Claim 5 An electric vehicle, comprising: a vehicle body supporting a plurality of wheels a rechargeable energy storage system supported by the vehicle body and including: a bottom shear plate; a side enclosure having a bottom end connected to the bottom shear plate; a top shear plate connected to a top end of the side enclosure; a plurality of battery cells are suspended directly from a bottom of the top shear plate by corresponding mating features that secure the plurality of battery cells to the top shear plate, the corresponding mating features including a plurality of first mating features formed directly on the shear plate for receiving a plurality of second mating features formed directly on the plurality of battery cells, wherein the plurality of first mating features include one of: i) a threaded protrusion on the plurality of battery cells, ii) a protruding portion on the plurality of battery cells, and iii) a flange on the plurality of battery cells; and the plurality of second mating features include a corresponding one of: i) a plurality of threaded apertures on the shear plate for receiving a respective one of the threaded protrusions on the plurality of battery cells, ii) a plurality of apertures on the shear plate wherein the plurality of apertures include an elastic retention feature wherein the apertures include an elastic retention feature for engaging a respective one of the protruding portions on the plurality of battery cells, and iii) a plurality of slots on the shear plate for receiving a respective one of the flanges of the plurality of battery cells; and one of a meshed or continuous face plate directly beneath the plurality of battery cells and connected to the side enclosure. ### Claim 6 (depends on 5) The electric vehicle according to claim 5, wherein the top shear plate is a vehicle floor panel. ### Claim 7 (depends on 5) The electric vehicle according to claim 5, wherein the elastic retention feature includes a pair of rails that engage a recess in the protruding portion. ### Claim 8 (depends on 5) The electric vehicle according to claim 5, wherein the plurality of battery cells have electrode terminals and venting that face the bottom shear plate. ### Claim 9 A method of assembling a rechargeable energy storage system into a vehicle, comprising: connecting a side enclosure to a first shear plate; connecting a first mating feature of a plurality of battery cells to a corresponding one of a plurality of second mating features directly on the first shear plate; connecting a second shear plate to the side enclosure to form an enclosed housing; inverting the enclosed housing so that the second shear plate is on a bottom of the enclosed housing and the plurality of battery cells are suspended from a bottom of the first shear plate; and assembling the battery housing into a vehicle body. ### Claim 10 (depends on 9) The method of assembling a rechargeable energy storage system according to claim 9, wherein the first shear plate is a floor panel of the vehicle. ### Claim 11 (depends on 9) The method of assembling a rechargeable energy storage system according to claim 9, wherein the first mating features include a threaded protrusion on the plurality of battery cells and the plurality of second mating features include a plurality of threaded apertures on the shear plate. ### Claim 12 (depends on 9) The method of assembling a rechargeable energy storage system according to claim 9, wherein the first mating features include a protruding portion on each of the plurality of battery cells and the plurality of second mating features include a plurality of apertures on the shear plate wherein one of the protruding portions and the apertures include an elastic retention feature. ### Claim 13 (depends on 9) The method of assembling a rechargeable energy storage system according to claim 9, wherein the first mating features include a flange on the plurality of battery cells and the plurality of second mating features include a plurality of slots on the shear plate for receiving the flange of the plurality of battery cells. ### Claim 14 (depends on 9) The method of assembling a rechargeable energy storage system according to claim 9, wherein the plurality of battery cells have electrode terminals that face the second shear plate.