Propulsion By Batteries/Cells TRIZ Cases

A swappable battery charges the main EV battery through the on-board DC converter, extending range without added boost hardware or larger packs.

Dual local weakenings vent battery-cell gases at different pressures to limit thermal propagation and protect adjacent cells.

Edge-intersecting vent grooves in a battery cell housing reduce creep-driven premature cracking while preserving pressure relief efficiency.

Multiple gas-flow bends in a battery cell degassing channel cool vented gases, separate particles, and lower ignition risk during cell failure.

Varying bipolar plate path depths improves water drainage and heat removal across fuel cell stacks while preserving flow flexibility.

A housing through-hole supports the current collector protrusion, improving terminal connection strength, reliability, and battery cell safety.

Parallel first and auxiliary tabs enlarge the terminal current path, improving battery cell charging and discharging performance.

An insulating member creates a gap from the housing wall to prevent electrode wrinkling, reduce short-circuit risk, and simplify cell assembly.

Wheel-driven alternators and a telescoping drive chain recharge lithium-ion batteries during motion, reducing charging downtime and night-use limits.

A passive helical separator removes water from fuel cell exhaust, routing it away with low backpressure and no electromechanical hardware.

Two isolated coolant loops and a liquid-liquid heat exchanger cool PEM fuel cells and electronics while preventing short circuits and clogging.

By limiting drive wheel slip ratio below the road friction peak, this control approach reduces yaw moments and stabilizes vehicle behavior.

RFID-enabled helmets transfer user settings and access rights to off-road vehicles, preserving preferences and restricting child functions.

Historical power tracking switches vehicle load between a battery and supercapacitor to improve energy efficiency and extend driving range.

Honeycomb-arranged battery modules use load-bearing enclosures to cut vehicle weight while preserving structural support and service flexibility.

An uneven side wall and planar bottom wall let battery laminate films suppress thermal expansion while maintaining stable stacking in modules.

When regenerative torque is limited by battery chargeability, coordinated friction braking helps a fuel cell vehicle escape slope rolling.

Startup logic initializes the start switch to ON to avoid accidental permission signals and keep auxiliary power supplied during early communication delays.

A single cooling fan drives airflow between the onboard charger and battery casing to cool both parts while saving space and assembly cost.

Annular grooves around the pressure relief weld absorb welding stress, helping prevent cracks, leakage, and shortened battery cell life.

A shaped buffer member lowers central reaction force to absorb battery cell thermal expansion and improve pack reliability.

Mechanical engagement detection verifies full battery mounting and triggers an alert before a loose UAV battery can cause a crash.

Cooperating limiting structures lock the insulating structure to the cell wall, improving assembly accuracy, insulation reliability, and processing efficiency.

Battery-powered rotor barring keeps a gas-turbine engine cooling evenly after shutdown and adds torque support for inflight restart.

A self-actuating piston flow limiter stabilizes secondary branch mass flow in fuel cell vehicles without complex throttle valve control.

A cradle-like central frame compartment adds laterally accessible cargo space while keeping the motorcycle's center of gravity stable.

A shared safety structure in a grounded metal housing cuts off both vehicle power sources at once, improving emergency response.

A swappable battery recharges the main EV pack through the OBC or motor path, extending range without a larger fixed battery or costly swap stations.

A lap portion on the battery cell end cap improves housing contact, sealing strength, and hermeticity without requiring a stepped housing.

A reinforced busbar holder with buffer and dual-cover support absorbs side-collision loads to prevent terminal short circuits in EV battery modules.

A reinforced busbar holder with dual covers and a buffer member isolates collision loads to reduce side-terminal short-circuit risk.

Overlapping end plates and splicing portions let battery modules combine for higher energy density without sacrificing strength or manufacturability.

Protrusions on paired bus bar modules block wrong orientation and misalignment, enabling precise battery pack assembly after cell stacking.

Asymmetric protrusions and positioning features block wrong bus bar module orientation, securing correct battery pack assembly and connections.

Multiple gas-guiding turns cool and clean battery vent gases, lowering particle carryover and ignition risk during cell failure.

Stacked brackets and a fixing bracket let battery cells expand symmetrically, reducing pressure imbalance and overheating risk.

A pneumatic telescopic mast and winch enable compact EVs to maintain stable overhead line contact while reducing battery size and recharge time.

A movable trailer battery uses sensors, a controller, and a drive to correct load distribution and reduce sway and rollover risk.

Pre-arranging battery cells on a carrier improves placement accuracy while simplifying high-voltage pack assembly and cell access.

A glass-transition thermoplastic sheet keeps battery modules bonded in use, then softens with heat for fast pack disassembly and repair.