Large-Sized Flat Cells/Batteries TRIZ Cases

A liquid gasket seals the positive electrode interface and communication holes to block sulfuric acid ingress and limit battery deterioration.

A via-linked collector connection with sealant layers blocks electrolyte contact, reducing corrosion and extending bipolar battery plate life.

A projecting conductor around the through-hole bonding area redirects adhesive, preserving conduction area and lowering resistance in bipolar lead-acid batteries.

A two-region non-coated tab structure cuts spreading resistance and heat generation, improving charge-discharge efficiency and battery life.

An end plate with an integrated lug replaces a separate connecting beam, cutting battery pack parts, assembly steps, and stress-related failure risk.

A two-region non-coated tab layout lowers spreading and constriction resistance, cutting heat generation and improving battery charge-discharge life.

Cross-connected conductive members between uncoated current collector portions shorten current paths in long-width secondary batteries and reduce resistance.

Fixing and displacement-prevention projections stabilize the current collector and enable reliable pressure-triggered current interruption under impact.

A unidirectional pouch cell with case protrusions and integrated busbar framing cuts dead space, simplifies assembly, and improves cooling.

A low-melting connector inserted through tab-bundle holes avoids welding impurities and enables thermal separation to reduce battery explosion risk.

A tapered, lower-density negative electrode edge improves Li-ion cell energy density while suppressing lithium deposition and short-circuit risk.

Alternating electrode stacks with joined anode and cathode buses improve metal-hydrogen battery reliability for large-scale energy storage.

Burring-processed electrode tabs improve laser welding to current collectors, limiting clearance and thermal strain while maintaining secure bonding.

A spot-faced hole with a bottom protrusion and edge welding suppresses terminal-to-collector gaps and improves battery connection reliability.

A linking unit joins battery modules so packs need less housing rigidity, cutting assembly work, size, and weight while protecting cables.

An indented first insulator fixes the electrode unit to suppress jolting and improve durability in thick-walled battery cells.

Movement restricting member bonds to electrode body and extends to contact can inner surface, preventing damage from external shocks.

A secondary battery electrode assembly prevents separator accumulation by using a protrusion to route ions to the anode plate.

Secondary battery electrode assemblies with varying cross-sectional thicknesses balance power output across different plate areas.

A cooling device thermally couples to flat prismatic cell side surfaces using a conductive layer for efficient heat dissipation.

Sequential thermal fusion joins pouch sheets around thick electrode assemblies, resolving contradictions between capacity volume and exterior shape flexibility.

Second bent portions redirect electrode tabs to prevent short-circuits from case contact while maintaining sufficient current collection area.

Binding bars with engaging steps and protrusions increase battery stack rigidity without altering bar material or thickness.

Segmented double electrode tabs lower internal resistance and heat generation in superwide pouch batteries.

Segmented side plates with bent coupling portions align stacked battery packs, resolving misalignment errors from manufacturing tolerances.

A mono-block nickel iron battery uses compressed plastic grommets to create leak-proof intercell connections within a single housing structure.

Heat transfer members conduct thermal energy from battery cells to cartridges, merging mechanical support with active cooling functions.

Sealed separator edges gather electrode tabs uniformly, preventing damage and disconnection during welding.

Boss and seat mechanical connections eliminate separate hardware, reducing weight while maintaining structural integrity during transportation.

Coupling members integrate pouch cells into rigid cases, resolving strength versus weight trade-offs.

A bus bar integrates a heat absorber and displacement absorber to maintain electrical connections between battery cells.

Segmented ring panels with ledges and gaskets secure battery cells, resolving assembly complexity trade-offs.

Through-type cool channel partitions battery cells from external environment while enabling direct heat exchange medium flow for thermal management.

A battery pack integrates a motion prevention unit with spacers to stabilize cells against vibration while enabling efficient heat dissipation.

Bending an integral current collector from the cap plate into the case expands internal volume for higher capacity while minimizing electrical resistance.

Molded part reinforces sealing region to prevent separation, eliminating additional members and simplifying assembly.

Step structure electrode assembly connects tabs to external terminals via extended portions, resolving installation location restrictions.

Elastic coupling links voltage sensing modules to electrode taps, preventing contact defects during cell expansion.

Insulating member with sealing portions channels cell gases to a cover exhaust path, eliminating adhesive use and boosting production efficiency.