Secondary Cells TRIZ Cases

A one-piece foldable housing with film hinges and snap connections cuts hand-held tool battery pack assembly time while keeping cells secure.

A rounded battery pin bend shortens current flow paths and lowers resistance while preserving strength and compact tab connection layout.

By embedding the busbar in a cooling member, this case improves battery pack heat removal, cuts volume growth, and simplifies assembly.

A busbar-secured cooling unit improves battery cell heat removal, simplifies pack assembly, and lowers manufacturing cost.

A wicking assembly evaporates dielectric fluid on battery cells to control heat with less coolant, lower pumping energy, and better temperature uniformity.

Controlled Sr distribution in Ni-rich lithium composite oxide suppresses electrolyte side reactions while preserving capacity and cycle life.

A protective member and degassing space block heat transfer and redirect vented gas to protect adjacent cells and sampling members.

Nanoscale PCM micelles stabilize battery coolant, limiting coalescence and viscosity while improving heat absorption and thermal conductivity.

An annular thin-walled vent around a protruding valve cuts forming load and work hardening while keeping rupture pressure stable.

A gas exhaust channel in the current collecting member vents trapped gas during laser welding, preventing blowholes and strengthening the joint.

Integrated coolant channels and flow-diverting members improve battery pack cooling while reducing weld-seam leakage risk, weight, and space use.

Aldehyde ketone polymer layers balance electrolyte retention and ion diffusion, reducing dissolution and concentration polarization in battery cells.

A bagged composite hydrogel absorbs heat early between battery cells, adding flame retardancy and cushioning to suppress thermal runaway.

A centralized inlet duct and distribution unit cool multiple battery modules evenly, cutting fan count, wiring, cost, and thermal runaway risk.

A detachable adapter and mounting plate stabilize the battery air duct, reducing displacement and preserving heat dissipation efficiency.

A continuous sidewall with folded corners and built-in fluid channels cuts corner joints, improves sealing, and cools electrochemical modules.

A height-stacked support framework strengthens battery module mounting and helps prevent liquid cooling plate deformation and leakage.

Controlled NCM cathode ratios and peak-width limits suppress metal dissolution and particle microcracks, improving Li-ion capacity, cycle life, and safety.

Mounting units press battery modules toward the pack housing, removing separate plates to save space, cut weight, and raise energy density.

Flow-guiding grooves and segmented battery box cavities distribute coolant more evenly, reducing cell temperature differences and aging.

Selectable signal paths let a master controller directly address failed slave modules or use sequential addressing to improve battery cluster operability.

A two-region graphite electrode balances binder bonding and tortuosity to improve lithium-ion mobility and rate performance at high basis weight.

By merging the cell frame with a heat sink and conductive filler, this case cuts assembly complexity while improving cooling and energy density.

A low-cobalt cathode composite pairs phosphate and layered oxide particles to raise energy density, voltage, and conductivity in lithium batteries.

Flow-guiding grooves and segmented coolant paths spread cooling more evenly across battery cells, reducing thermal imbalance and aging.

Guide lips with thick contact zones and thin non-contact sections support secondary batteries while reducing pressure marks during activation.

A non-melting core laminated with resin layers blocks cell-to-cell heat transfer and diverts melted holder material away from adjacent cells.

Controlling swelling-dissolution onset gap and paraffin impregnation helps UHMWPE powder mold uniformly with fewer bubbles, strain, and deformation.

Cyclosiloxane and fluoroether additives build a dense cathode interface film that improves high-temperature storage and cycling in lithium-ion batteries.

A rectifier voltage-doubler startup circuit lifts low coupling voltage to 1.4V, allowing MCU startup in low-inductance wireless charging.

Alternating vent holes and mesh layers disperse heat and gas while blocking sparks during battery cell thermal runaway.

Relocating the coolant path into the case sidewall cuts battery pack height while a heat conduction member preserves cooling and cell alignment.

Integrated cooling channels and fluid conduits in a prismatic cell housing cut battery pack footprint, simplify assembly, and improve heat removal.

Controlling KEL and space utilization helps high-nickel batteries raise energy density while limiting expansion, pressure risk, and cycle-life loss.

Fluorinated alkoxide additives help battery electrolytes suppress gas generation, limit metal precipitation, and improve durability under high voltage and heat.

Segmented plates, airflow holes, and fans reduce section-to-section battery temperature differences, improving efficiency and lifespan.

Opposed shell grooves reduce scored-groove depth and forming force, improving battery cell pressure relief and crack resistance.

A pseudo resistance added to new parallel battery units balances current sharing, limits older-cell degradation, and simplifies control.

A multilayer terminal covering film vents battery gases when its inner layer melts, relieving pressure without added vent components.

A dual-layer cathode coating pairs oxide stability with halide ion transport to suppress side reactions and improve solid-state battery cycling.

Cooling fins contacting battery cell lead-end regions shorten heat paths, reduce cell temperature deviation, and improve module lifespan.

A dual particle-size NCM cathode balances high capacity with thermal stability by reducing oxygen release and improving packing density.

Cooling fins inside the pack case lower venting gas temperature and pressure before discharge, helping limit thermal damage between battery modules.

Non-adjacent battery units share cooling channels to spread heat while blocking adjacent thermal propagation during runaway events.

Foam insulation over each cell vent blocks ignited material and heat transfer, helping contain thermal runaway in dense battery modules.

Moves the thermal management component outside the battery box to limit leak-driven insulation failure while preserving heat transfer through the bottom plate.

Overlapped welded metal plates integrate supply and discharge flow paths, reducing battery heat exchanger height and assembly complexity.

A two-region cathode particle distribution improves thick electrode flexibility and compaction density while reducing brittle failure risk.

A dual PVDF/PTFE binder and dual-solvent slurry process helps thick LFP/LMFP cathodes resist cracking while raising areal capacity.