Secondary Cells TRIZ Cases

A detachable venting filter lets battery packs discharge failure gas while blocking oxygen ingress and limiting thermal runaway spread.

Integrated upper and lower cover-plate channels cool battery cells uniformly while a venting hole releases hot gases to limit thermal propagation.

Thermal conductive resin injected through the housing cools upper and lower cell stack surfaces more evenly, reducing hot spots and early output limits.

Detachable curved connectors and flexible line sections simplify battery module cooling assembly, absorb tolerances, and allow module replacement.

A partitioned support member keeps prismatic cells upright with terminals facing away from the base, improving handling, cooling, and assembly stability.

XO4 polyanion units stabilize lithium-excess rocksalt cathodes at 4.8 V by suppressing oxygen loss while preserving high energy density.

A graphene-aerogel sandwich spacer spreads heat in-plane, blocks cell-to-cell thermal propagation, and absorbs pouch-cell swelling.

A refrigerant flow path between battery sub-modules improves heat dissipation while avoiding interference with connection members.

Hot-swappable batteries and passive thermal management keep medical workstations powered without fan-driven contamination or battery-change downtime.

Rod-shaped inorganic and spherical organic particles form an electrode coating that improves ion permeability and high-temperature stability.

Insulation tape over battery pack busbars blocks housing contact and vented metallic impurities, reducing short-circuit risk during thermal runaway.

An angled coolant joint and adapter layout cuts pressure loss while preserving outer-frame rigidity in a lighter battery storage case.

Alkaline earth doping at Li sites stabilizes P63mc lithium cobalt oxide in highly delithiated states, improving cycle life and structure.

A dual-NCM cathode creates charge-induced voids that store expelled electrolyte and improve silicon-anode cycling stability.

W, Ta, or V doping in lithium- and manganese-rich cathodes improves conductivity, limits voltage fade, and supports better cycling and rate performance.

Intumescent hanging barriers absorb heat and suppress vent byproducts in traction battery packs while avoiding vibration contact with cells.

Angled multi-channel flow paths use surface tension and phase change to deliver compact heat exchange without pumps across varied orientations.

One-step ball milling forms halogen-oxygen cathodes that improve ion diffusion, cycling stability, and capacity in alkali metal batteries.

A heat transfer pad creates a direct cooling path from the busbar to the module frame, reducing heat buildup during high-current charging.

A stepped tray stacks cold plates and battery cell layers to raise pack capacity in limited space while improving heat management and stability.

Open side walls and spaced battery strings create airflow paths that improve heat dissipation without fully enclosing the cells.

Intumescent layers swell under heat and rupture a frangible housing section to block thermal runaway propagation between electrochemical cells.

Multiple electrode assemblies in one case raise battery capacity and energy density while easing assembly and lowering short-circuit risk.

A coated lithium-rich cathode core compensates SEI-related lithium loss while improving first-cycle capacity, energy density, and cycle life.

Fluid-tight battery compartments and controlled drainage confine thermal runaway debris and limit propagation between vehicle modules.

Self-sealing joints keep coolant enclosed during battery heat exchange unit removal, reducing replacement time and transport weight.

Spacers set a fixed gap between battery modules and the cooler, keeping TIM thickness uniform for better heat transfer and cooler stability.

A nanocellulose separator preserves porosity under heat, improving electrolyte wettability, ionic transport, and battery short-circuit resistance.

An upper thermal conductive layer wraps battery cell sealing parts to expand heat transfer area, improve cooling, and lower ignition risk.

Parallel refrigerant flow paths and local reinforcement improve battery module cooling uniformity, cut pressure loss, and preserve compactness.

Dual adhesive layers with different binder solubility parameters limit electrolyte swelling while preserving cathode bonding and electron transfer.

An annular nail body and fixing portion improve electrolyte injection-hole sealing, limiting leakage, deformation, and impurity ingress.

A two-layer electrode coating keeps strong adhesion at the current collector while preserving conductivity and battery power density.

A localized heat transfer layer on the cooling member pulls more heat from middle pouch cells, cutting cell-to-cell temperature deviation.

Rare-earth and M2 doping stabilize NiFeMn sodium-ion cathodes by blocking moisture, suppressing oxygen release, and improving capacity retention.

Sensor-driven switching between radiator and refrigeration modes keeps battery and fuel cell temperatures in range with lower energy use.

A cyclic carboxylate electrolyte additive cuts charging resistance and stabilizes electrode films to sustain output and capacity at high temperature.

Mechanical clips bias folded cell tabs together to replace welding, speeding battery pack assembly while maintaining secure electrical contact.

An organic-inorganic Li2MO4 phosphonate film boosts nickel cathode cycling, ion transport, and thermal stability in secondary batteries.

An internal electrode tab exposed through a sealed pouch hole frees module space, improves energy density, and prevents electrolyte leakage.

Separate upper and side venting paths with partition walls discharge hot gases away from adjacent cell assemblies to prevent secondary ignition.

A low-profile connector uses a sealant manifold and single fastener to create a hermetic cooling plate joint without snag-prone installation.

Dry mechanical milling converts layered rock salt Li1+xTiyVzO2 into a disordered cathode that limits volume change and improves cycle life.

A patterned lower plate and plastic heat-conductive sheet maintain broad contact, improving battery cell heat dissipation despite assembly variation.

One-way grooves in a resin outer case vent heat-driven outgas, preventing label bubbles and preserving a clean finished appearance.

A cut flame suppression pad between battery cells blocks and redirects flame, gas, and hot particles to limit thermal runaway spread.

Layered cell holders adjust frame volume so filling material targets key cooling spaces, cutting fill time, material use, and overheating risk.

Resin and foam layers fill gaps between battery cells to block heat transfer, raise pack rigidity, and improve vibration resistance.

Gradient doping creates a high-entropy surface and medium-entropy interior to curb side reactions, lattice mismatch, and microcracks in high-nickel cathodes.

A lower plate fixed to the equipment and a sliding connection to fastening members prevent battery swelling stress from concentrating at mount points.