Secondary Cells TRIZ Cases

Vapor phase synthesis deposits a fluoride layer on electrode materials to stabilize the surface and prevent corrosion.

Coupled cover members conduct heat from battery cells via injected thermoplastic resin, eliminating additional cooling members and reducing manufacturing costs.

A V-shaped cutter forms linear notches in laminated metal foils to enable reliable resistance welding.

An inclined battery case channels forced convection airflow from an inlet to outlets, resolving uniform temperature distribution challenges in sealed packs.

Beta-crystallized polypropylene films maintain structural stability while accommodating electrode expansion, preventing short circuits during battery cycling.

A lithium-rich manganese-based cathode material uses alpha-MnO2 micron particles to shorten diffusion paths.

A battery pack protection circuit uses NTC thermistors and MOS transistors to detect temperature changes.

A thermal exchange plate assembly uses a bypass channel to direct fluid from inlet to outlet.

Intermediary supports separate stacked battery cells to distribute stress and prevent electrode damage while maintaining high volumetric energy density.

A spinel-type lithium-manganese composite oxide removes reactive microparticles through controlled water sedimentation.

A bus bar module routing groove incorporates an absorbing portion to accommodate extra electric wire length within the casing.

Slatted internal and external faces on the battery tray generate air circuits that dissipate heat, preventing premature wear from thermal stress.

A cesium salt and nitrile compound electrolyte forms a stable solid electrolyte interface film on lithium-ion battery electrodes.

A sealing plug main shaft features a thick base portion and a side surface portion with decreasing outer edge to enable stable insertion into battery through-holes.

A battery module fixing member uses a reinforcement member to distribute expansion pressure, preventing damage from swelling during charge cycles.

Primary and secondary heat treatments remove gases to prevent degradation, ensuring uniform quality and higher productivity.

Phosphorus and aluminum compounds form a protective film on the positive electrode to inhibit active material elution and improve capacity retention ratio.

A vinylidene fluoride copolymer binder enhances electrode cohesion in lithium-ion batteries through controlled amine monomer incorporation.

Elastomeric retention structures absorb impact forces and enable airflow to cool battery cells in outdoor power equipment.

An intermediate duct with a cutwater portion segments cooling air flow between stacked battery modules.

A sealing portion on the insulator prevents cooling fluid leakage into structural gaps, maintaining thermal management reliability.

Bonding sealing parts to side surfaces reduces overall thickness and improves volumetric efficiency compared to traditional thermal bonding methods.

A water-soluble poly(meth)acrylamide disperses conductive carbon in battery slurry via steric stabilization.

Multifunctional chain shuttling agents transfer polymer chains between catalytic sites while initiating non-olefin reactions.

Stacked structure plate with internal webs directs coolant through narrow channels to ensure uniform thermal distribution across battery cells.

A sulfide solid-state battery uses amorphous and crystalline electrolyte proportions to maintain lithium-ion conductivity.

Solid inorganic bases enable halogenated carbonate synthesis at ambient conditions, eliminating anhydrous requirements and reducing waste generation.

Cut segments in the protection member allow flexibility during impact, preventing separator fractures and maintaining electrical insulation.

Segmenting the active material layer into aggregated and single-particle zones resolves the contradiction between packing density and electrical resistivity.

Gap prevention pads fill irregular spaces to ensure heat transfer while absorbing road vibrations.

A rechargeable battery pack uses a conductive connection member inserted into a printed circuit board hole to establish electrical contact.

A display device mounted on the cable connection between a forklift and its interchangeable power supply unit shows temperature and fluid levels.

A battery pack exhaust tube connects to a treatment agent container and supply controller for automatic gas neutralization.

Graphene coating on copper foil replaces brittle pyrolytic graphite sheets to lower manufacturing costs and prevent material loss.

A controller manages power flow between a battery and capacitor to test capacity without stopping the elevator.

A heat transfer pad connects battery cells to an external heatsink through the module case.

A controller monitors battery voltage levels during active transmission to manage power supply dynamics.

A battery pack uses a porous medium to hold cells and absorb heat.

A battery pack divides fluid passages into finned and unfinned regions to increase heat exchange area.

Liquid coolant flows through insulated channels in the carrier body to dissipate heat from electrically connected arresters, preventing short circuits.

A lithium-rich layered oxide cathode material features a core-shell structure with a phase gradient from monoclinic to rhombohedral units.

Split profile battery cell carrier allows independent stack replacement while integrated cooling beams reduce thermal propagation risks.

Segmenting the cooling function into separate members simplifies manufacturing and ensures smooth circulation of the heat transferring medium.

Composite cathode-separator lamination uses a porous polymer interfacial layer to bind sulfur host material and carbon coating.

A Ni-Mn based Heusler alloy thermoregulating layer changes thermal conductivity via martensitic transition.

Slidable barriers guided by frame grooves position cells while apertures enable air convection to reduce heat accumulation.

Redox-active doping stabilizes the lithium cell electrode structure, maintaining 97.5% voltage retention after 3,000 cycles despite initial fade risks.

Pre-formed grooves on the cap-up enable controlled gas escape during safety vent operation, preventing internal pressure buildup and potential explosions.

Lateral cell arrangement creates continuous fluid spaces that maintain temperature variation below 5 K across individual cells.

A lithium nickel-based oxide slurry uses a lithium borate compound to stabilize the electrode surface and enhance particle integrity.