Shenzhen Kedali Industry Co., Ltd.

The prismatic aluminium case is the outer shell of a prismatic aluminium-can cell. It encloses the wound or stacked electrode assembly and the electrolyte, and it acts as the welded sealing base for the top cover and the terminals. Deep drawn from aluminium sheet, the part absorbs internal pressure fluctuations, assembly clamping loads and vehicle vibration, so it is the primary load-bearing component of traction and energy-storage battery packs.

Material: aluminium alloy 3003/3005, optional nickel-clad layer; Form: one-piece prismatic shell with closed end; Process: multi-station precision stamping, deep drawing, inter-stage annealing, cleaning; Joint: laser welding to the top cover; Surface: cleaning and passivation, electrophoresis or local nickel plating; Wall thickness: 0.3-1.2 mm depending on cell capacity class; Cell fit: prismatic aluminium-shell lithium-ion cells of 20-350 Ah; Inspection: leak tightness, wall-thickness uniformity, dimensions and appearance.

• Prismatic traction cell packaging
• Energy-storage cell packaging
• Pressure containment of prismatic cell cans

This aluminium alloy housing wraps portable battery packs used in power tools, vacuum cleaners and drones. It contains and fixes the internal cell stack and the battery management board, and simultaneously works as a heat-dissipation path and a structural support. Light weight, drop resistance and dielectric withstand are balanced in a single part which, combined with covers and latches, produces the complete outer envelope of the pack.

Material: aluminium alloy 3003/5052/6061; Process: stamping or extruded profile, CNC finishing, anodising, screen printing; Geometry: rectangular or custom cavity with clips, screw bosses and cooling fins; Wall thickness: 0.5-2.0 mm; Finish: anodising, sandblasting, powder coating; Ingress protection: IP54-IP67 depending on design; Assembly: ultrasonic welding or threaded fastening; Pack fit: lithium-ion packs of 2-10 series cells.

• Power tool battery pack housings
• Portable energy storage power supply enclosures
• Heat dissipation and structural support for battery packs

The portable battery prismatic shell is the metal housing of prismatic cells intended for handheld equipment. It gives the wound or stacked core a cavity and an insertion path, while its open top mates with the portable battery cover to close the cell. Thin-wall ironing raises volumetric capacity density while preserving can strength and laser-weld sealability, which makes the shell widely used in power tools and consumer cells.

Material: aluminium alloy 3003/3005 or nickel-plated low-carbon steel; Process: multi-station progressive stamping with draw-and-iron, cleaning, annealing; Form: thin-wall prismatic can with a welding flange at the opening; Wall thickness: 0.25-1.0 mm; Dimensional control: height, width and opening flatness within drawing tolerance band; Surface: cleaning and passivation, electrophoresis or nickel plating; Sealing: laser welding to the top cover; Cell fit: prismatic wound or stacked cells.

• Power tool cell packaging
• Prismatic cell cans for portable devices
• Consumer battery packaging

Traction battery structural components form a matched set of metal parts for the battery packs of new-energy passenger and commercial vehicles, covering cell cans, top-cover assemblies and module connectors. They are designed for high-takt line assembly and must deliver high dielectric withstand, long vibration-fatigue life and batch consistency, which makes them the safety and lifetime foundation of the vehicle traction battery system.

Battery chemistry fit: LFP or NMC prismatic cell packs; Material: aluminium alloy 3003/3005/6061 and copper-aluminium composites; Key processes: precision stamping, deep drawing, laser welding, cleaning, electrophoresis or nickel plating; Part classes: cell cans, top-cover assemblies, module connectors; Sealing: helium leak test pass after can-to-cover welding; Vibration and shock: automotive random vibration and mechanical shock qualified; Voltage platform: insulation and withstand designed for 350-800 V high-voltage systems; Operating temperature: -40 C to +85 C.

• Traction cell and module manufacturing
• New-energy vehicle battery pack assembly
• Energy-storage battery system integration

This precision structural parts line is the core product family of the supplier. It covers complete metal kits - cans, covers, terminal posts and connecting plates - spanning the two process stages of cell packaging and module build-up. Produced along a continuous chain of stamping, drawing, cleaning, surface treatment and welding, the parts contain the cell, seal it and conduct current out of it, and they are supplied as a series matched to each cell model.

Composition: cans, top covers, terminal posts, connecting plates and busbars; Material: aluminium alloy 3003/3005, copper-aluminium composites, low-carbon steel; Processes: precision stamping, draw-and-iron, CNC machining, laser welding, cleaning, electrophoresis or nickel plating; Accuracy: critical dimensions within the drawing tolerance band and controlled flatness on mating faces; Tests: leak tightness, pull strength, salt spray, dimensions and appearance; Cell fit: prismatic, cylindrical and pouch lithium-ion cells; Segments served: traction, energy-storage and consumer batteries.

• Traction cell packaging
• Energy-storage structural kits
• Consumer lithium battery manufacturing

The aluminium terminal post is the current lead-out terminal on a cell top cover. It passes through the cover plate to bring the internal current of the cell out to the module busbar. Because the aluminium post is welded to an aluminium cover and an aluminium can of the same base material, galvanic corrosion between dissimilar metals is reduced, while the part still carries the two core duties of high-current conduction and electrolyte sealing.

Material: industrial pure aluminium 1050/1060 or alloy 6061; Structure: post body, sealing groove and welded flange or boss; Process: cold heading or turning, knurling, cleaning, nickel plating or anodising; Sealing: laser or resistance welding to the cover combined with a compressed seal ring; Current class: suited to low- and medium-rate traction cells in the tens of amperes range; Mating parts: upper and lower insulating mouldings, seal ring, cover plate; Tests: terminal pull-out force, assembly torque, leak tightness, electrical resistance.

• Positive and negative lead-out of prismatic cells
• Terminal post to busbar connection on covers
• Traction cell packaging

The copper-aluminium composite terminal post is machined from a clad bimetal plate: the copper side guarantees low contact resistance when bolted to the busbar, while the aluminium side is welded to the aluminium cover, so the difficulty of welding copper directly to aluminium is avoided. The part is used for the current lead-out of high-rate traction cells and balances conduction performance against joint reliability.

Material: copper-aluminium clad plate (T2 copper with 1050/1060 aluminium, mixing ratio selectable); Structure: stepped copper-aluminium transition post with welded flange; Process: explosive or roll bonding, cold heading, turning, cleaning; Surface: nickel or tin plating on the copper face, anodising or passivation on the aluminium face; Sealing: laser welding to the aluminium cover with a seal ring; Electrical duty: low contact resistance and high-rate charge-discharge current capability; Tests: copper-aluminium interface bond strength, leak tightness, torque, resistance; Cell fit: prismatic high-rate traction cells.

• Terminal posts of high-rate traction cells
• Copper-to-aluminium transition weld faces
• High-current lead-out of battery modules

The circular cover plate is the top-cover assembly of a cylindrical cell. It is fitted into the mouth of the cylindrical can and integrates the positive terminal post, a vent disc and the sealing elements, providing both closure and current lead-out. The plate is secured to the steel or aluminium can by grooving or welding and must resist internal pressure swings together with axial assembly loads.

Construction: circular plate body, positive post, vent disc, seal ring, insulating ring; Material: aluminium 3003/1060, nickel-plated steel, composites; Process: precision stamping, cleaning, nickel plating or anodising, laser welding; Diameter classes: fits standard cylindrical cells of the 18/21/26/32 series; Sealing: grooved closure or welded fixing with a compressed seal ring; Vent type: scored rupture disc with opening pressure set per cell model; Tests: leak tightness, pressure withstand, burst opening pressure, dimensions and appearance.

• Cylindrical cell top closure
• Positive current lead-out of cells
• Cylindrical battery manufacturing

This circular vented cover is the top closure of a cylindrical cell that adds pressure relief to the normal functions of a cover. It integrates a scored rupture disc and a current-interrupt device into the plate. When internal pressure rises excessively, the disc opens first and releases the gas, which prevents the can from bursting, so the part is a key element of the cell safety chain.

Construction: circular plate, scored vent disc, terminal post, seal ring, insulating parts; Vent type: scored rupture disc, optionally with a current-interrupt device; Material: aluminium 3003/1060, nickel-plated steel shell, stainless steel disc; Process: precision stamping, cleaning, laser welding; Opening pressure: burst pressure band set per cell model and verified by batch sampling; Sealing: grooved closure with seal ring; Cell fit: traction and energy-storage cylindrical lithium-ion cells; Tests: burst pressure, leak tightness, weld strength, dimensions.

• Overpressure relief in cylindrical cells
• Top covers of traction cylindrical cells
• Top covers of energy-storage cylindrical cells

The portable battery cylindrical shell is the metal can of cylindrical cells used in handheld equipment. Its tubular form resists the radial expansion of the wound core and provides the mating surface for the grooved closure and the cover assembly at the mouth. The shell is produced by thin-wall deep drawing, balancing light weight against mechanical strength for power tool and portable storage batteries.

Material: aluminium alloy 3003/3005 or nickel-plated low-carbon steel; Form: cylindrical can with one closed end and a grooved closure zone at the mouth; Process: multi-station deep drawing with ironing, cleaning, annealing, nickel plating or anodising; Outer diameter classes: cylindrical cells of the 14/18/21/26 series; Wall thickness: 0.2-0.6 mm; Closure: crimping or press-fitting plus welding of the circular cover; Tests: roundness, wall-thickness uniformity, leak tightness, appearance; Uses: power tools, portable storage, consumer electronics.

• Cylindrical cell can packaging
• Power tool battery manufacturing
• Portable storage cell packaging

The pin-type cover plate is a top-cover assembly for prismatic or specially shaped cells that carries its own lead-out pins. The pins protrude directly from the cover face, so the extra step of welding terminal posts inside the module is eliminated. The design is mainly used on small prismatic and energy-storage cells, where the pins give a fast and reliable connection to the external circuit.

Structure: cover body with integral or welded lead-out pins; Material: aluminium 3003/1060, copper-aluminium composite pins, nickel-plated steel; Process: stamping, injection-moulded insulation, laser welding, cleaning; Pin form: flat or bent lead-out, single or dual pin; Sealing: glass or ceramic feedthrough, or plastic sealing followed by laser welding; Cell fit: small prismatic cells and energy-storage cells; Tests: pin pull strength, leak tightness, insulation resistance, outline dimensions.

• Lead-out of small prismatic cells
• External connection of energy-storage cells
• Direct pin connection in battery modules

The prismatic cover plate is the top-cover assembly of a prismatic aluminium-can cell. It closes the mouth of the can and integrates the positive and negative posts, the vent valve and the electrolyte fill port, making it the central interface for sealing the cell and leading out current. Once laser welded to the can, it forms a closed cavity that keeps the electrolyte inside and holds internal pressure stable.

Construction: prismatic cover, positive and negative posts, vent valve, fill port and plug, insulating mouldings; Material: aluminium alloy 3003/1060, copper-aluminium composite posts, aluminium vent disc; Process: precision stamping, injection moulding, laser welding, cleaning, nickel plating; Sealing: laser welding to the prismatic can, fill port closed by steel ball or laser; Vent design: scored vent valve with opening pressure set by cell specification; Cell fit: prismatic traction and energy-storage cells; Tests: leak tightness, pressure withstand, weld strength, flatness and dimensions.

• Top closure of prismatic aluminium cells
• Cell overpressure venting
• Traction cell packaging

The flexible busbar links the terminal posts of the cells inside a battery module or pack and carries high current between them. It is built by stacking and welding several layers of copper foil or copper strip. Its flexible body absorbs assembly tolerances and vibration displacement, keeping conduction stable and low-resistance under real vehicle conditions, which makes it a key connecting part of the series-parallel circuit in a module.

Material: T2 copper foil or strip, optionally copper-aluminium composite; Structure: stacked copper foil layers with welded terminals or post connectors at both ends; Process: stamping and blanking, stacking, diffusion or ultrasonic welding, brazing, nickel or tin plating; Flexible behaviour: bends in multiple directions to absorb assembly tolerances; Current rating: cross-section matched to the module current class; Insulation: optional heat-shrink sleeve or insulating film; Tests: DC resistance, tensile strength, coating thickness, salt spray; Uses: module series-parallel connection, high-voltage links inside packs.

• High-current connection inside battery modules
• Series-parallel high-voltage circuits in battery packs
• Flexible post-to-busbar connection

The copper flexible connector is a soft conductive link made by stacking and welding multiple layers of copper foil, used to carry current between cell terminals, busbars and modules. Its softness is put to work absorbing vibration and the displacement caused by thermal expansion, so that the joint does not fail by fatigue from concentrated stress.

Material: T2 copper foil, single layer 0.05-0.3 mm thick; Laminate: multiple layers, total cross-section sized by current; Process: blanking, stacking, diffusion or ultrasonic welding, tin or nickel plating; End forms: flat ends, round-hole ends, custom terminals; Flexibility: bendable up to 180 degrees; Operating temperature: -40 C to +105 C; Tests: DC resistance, tensile strength, coating and appearance; Uses: traction modules, energy-storage clusters, earthing and connection of electrical equipment.

• Flexible conductive links in battery modules
• Internal connection of energy-storage battery clusters
• Earthing of electrical equipment

The portable battery cover plate is the top cover of a prismatic cell used in handheld equipment. It closes the mouth of the portable battery prismatic shell and integrates miniaturised terminal posts with the sealing elements. Within a restricted space the part still delivers both current lead-out and a gas-tight closure, matching the compact build and low weight demanded by small battery packs.

Construction: cover body, positive and negative posts, fill port and plug, sealing and insulating parts; Material: aluminium 3003/1060, copper-aluminium composite posts, plastic insulators; Process: precision stamping, injection moulding, laser welding, cleaning; Sealing: laser welding to the prismatic shell, fill port closed by steel ball; Dimensional feature: thin low-profile design for small prismatic cells; Tests: leak tightness, post pull and torque, insulation resistance, appearance; Uses: power tools, portable storage, consumer electronics.

• Top closure of portable device cells
• Small prismatic battery packaging
• Consumer battery manufacturing

This group covers stamped and welded structural parts supplied to vehicle manufacturers, including brackets, reinforcements, connecting plates and functional parts of the body and chassis systems. The parts are formed from steel or aluminium sheet and joined into welded assemblies, and they serve to stiffen the body structure, fix components and replace heavier parts for weight reduction. Acceptance follows the vehicle drawing and checking fixture.

Material: SPCC cold-rolled steel, HC340LA/590DP high-strength steel, aluminium alloy 6061/5754; Processes: progressive-die stamping, drawing, bending, spot or CO2 welding, laser cutting, tapping; Surface treatment: electrophoresis, paint, zinc plating, Dacromet; Joining: spot welding, stud welding, riveting; Dimensional control: drawing tolerance band verified with checking fixtures; Tests: dimensions and geometric tolerances, weld strength, salt spray, material mechanical properties; Uses: body structure, chassis brackets, battery pack peripheral parts.

• Body structure and reinforcements
• Chassis brackets and connecting plates
• Battery pack peripheral structural parts

These parts are the metal skeletons and mounting brackets located inside the instrument panel and the centre console. They give the cluster, the display and the button modules their locating datum and their fixing points. Built as welded assemblies of thin stamped sheet parts, they reconcile appearance-fit accuracy with efficient assembly inside the vehicle.

Material: SPCC cold-rolled steel, high-strength steel, aluminium alloy 5052/6061; Processes: progressive-die stamping, drawing, bending, spot welding, tapping, electrophoretic coating, painting or brushed finishing; Fit accuracy: mounting holes within the drawing tolerance band and controlled flatness of the panel mating face; Structural features: multilayer brackets with stiffening ribs and mounting holes; Surface treatment: electrophoresis, powder coating, anodising for aluminium parts; Tests: dimensions, flatness, weld strength, appearance; Uses: instrument panels, centre consoles, display and button module mounting.

• Instrument panel inner skeleton
• Centre console display mounting brackets
• Interior button module fixing

These are the stamped and welded metal parts of a seat frame system: cushion frame, backrest frame, rail connecting pieces and adjuster brackets. They have to carry occupant loads and crash load cases, which places them among the structural parts linked to passive vehicle safety.

Material: HC340/590DP high-strength steel, cold-rolled steel, aluminium alloy; Processes: stamping, drawing, roll forming, spot or arc welding, riveting; Strength requirement: meets seat frame static strength and crash load test specifications; Structural features: welded assembly of tubes and stamped plates with stiffening ribs and mounting holes; Surface treatment: electrophoresis, painting, anti-rust oil; Tests: weld strength, dimensions and geometric tolerances, fatigue endurance, salt spray; Uses: passenger car seat frames, rails and adjuster mechanisms.

• Passenger car seat frames
• Seat rails and adjuster mechanisms
• Backrest support structures

The armature is the metal structural part on the rotor side of a motor. It carries the winding or the permanent magnets and transmits the torque output, and it is commonly found in automotive electric water pumps, electric parking brakes and small drive motors. The part is formed by mating a high-precision laminated core with a shaft, so coaxiality and dynamic balance are demanding requirements.

Material: silicon steel laminations, low-carbon steel, aluminium alloy; Processes: stamping and interlocking, turning, press-fitting, dynamic balancing; Accuracy: shaft bore coaxiality and end face perpendicularity controlled to drawing; Structural features: laminated core with shaft sleeve or end plates; Speed range: medium to high speed operation of small automotive motors; Surface treatment: anti-rust coating, nickel plating; Tests: coaxiality, dynamic balance, outline dimensions, press-fit force; Uses: automotive EPB, electric water pumps, micro-motor rotor assemblies.

• Automotive micro-motor rotors
• Electric water pump motor rotors
• EPB motor rotor assemblies

The EPB motor drive assembly is the actuator assembly of an electric parking brake system. It converts motor drive into parking braking force through reduction gearing and a screw spindle. The assembly integrates the motor housing, gear support parts and transmission parts, which makes it a precision moving component of the EPB caliper module.

Construction: motor housing, gear and worm supports, planetary reduction and spindle assembly, mounting flange; Material: die-cast or machined aluminium alloy, powder-metallurgy gears, bearing-steel transmission parts; Processes: die casting or CNC, gear hobbing, press fitting, injection moulding, cleaning; Functional requirements: low noise, high-low temperature cycling and vibration resistance; Operating temperature: -40 C to +120 C; Surface treatment: anodising, nickel plating, grease filling; Tests: output torque, noise, endurance cycling, sealing; Uses: electric parking brake caliper actuator modules.

• Electric parking brake actuators
• EPB caliper motor and reduction assemblies
• Vehicle brake system actuator modules

These structural parts belong to door latch and striker assemblies and include the latch housing, the striker, the ratchet and pawl and the linkage rods. They perform the mechanical transmission that locks and unlocks a vehicle door, so fit accuracy and open-close endurance life are tightly specified.

Material: cold-rolled steel, high-strength steel, zinc or aluminium die castings, stainless steel striker; Processes: progressive-die stamping, die casting, CNC, riveting, assembly, zinc or nickel plating, electrophoresis; Structural features: latch housing, ratchet and pawl, striker, linkage rods; Performance: open-close endurance cycles meeting vehicle standards with controlled operating force and noise; Corrosion: salt spray test per vehicle requirement; Tests: dimensions, operating force, endurance, salt spray, assembly reliability; Uses: door latches, strikers and tailgate lock assemblies.

• Door latch housings and strikers
• Tailgate lock assemblies
• Door locking and unlocking linkage

This family covers the metal bases and linkage parts of interior and exterior door handles. They provide the rotational or sliding support of the handle and transmit the operating force to the latch. Because the parts are also visible components, surface finish quality and assembly gaps are held to strict requirements.

Material: zinc or aluminium die castings, cold-rolled steel, stainless steel; Processes: die casting, stamping, CNC, polishing, painting, electroplating or anodising; Fit requirement: controlled assembly gap with the door panel and the latch linkage; Mechanical requirement: pull-off force and operating force within vehicle specification; Surface treatment: electroplating, painting, anodising, brushing; Endurance: qualified open-close and pull cycles; Tests: dimensions, appearance, pull-off force, coating adhesion, salt spray; Uses: interior and exterior door handles and their linkages.

• Interior and exterior door handle bases
• Door handle linkage mechanisms
• Exterior trim assembly on passenger cars

The copper-aluminium flexible connector is a soft conductive link made of a bimetal material: the copper end joins the busbar or a bolted terminal, while the aluminium end is welded to an aluminium post or bar. It removes the galvanic corrosion and rising contact resistance that appear when copper is bolted straight to aluminium, and it is used for cross-material current paths in traction batteries and storage systems.

Material: T2 copper combined with 1050/1060 aluminium by friction welding, clad plate or brazed transition; Structure: stacked copper foil layers with an aluminium bar or foil end; Process: diffusion, ultrasonic or friction welding, tin or nickel plating; Transition: copper-aluminium joint with controlled interface bond strength; Current rating: sized by connection cross-section and current class; Operating temperature: -40 C to +105 C; Tests: resistance, interface strength, coating, salt spray; Uses: traction modules, energy-storage clusters, converter copper-aluminium busbar transitions.

• Copper-aluminium transition in traction modules
• Conductive connections of energy-storage battery clusters
• Copper-aluminium busbar transition in converters

These structural parts form the metal shell and terminal support of high-voltage connectors on new-energy vehicles. They give the high-voltage, high-current circuit its mating location, its shielding and its sealing base. The parts must satisfy high-voltage clearance, creepage distance and vehicle vibration protection requirements, which makes them the load-bearing elements of the battery pack and power electronics high-voltage interface.

Material: die-cast aluminium alloy 6061/ADC12, copper terminals, nickel or silver plated surfaces; Structure: connector shell, terminal locating plate, shielding cover, sealing base; Processes: die casting or CNC, stamping, injection moulding, assembly, cleaning; Electrical requirement: suited to 350-800 V platforms with correct clearance and creepage distance; Ingress protection: up to IP67/IP6K9K depending on interface design; Temperature range: -40 C to +125 C; Tests: dielectric withstand, insulation resistance, mating force, air tightness, salt spray and vibration; Uses: high-voltage interfaces of EV power electronics and battery packs.

• High-voltage interfaces of new-energy vehicles
• Battery pack to power electronics high-voltage links
• High-voltage high-current terminal supports

These modules are the conductive and load-bearing units used in power transmission, distribution and rail transit equipment. They include heavy-current connection bars, module housings and mounting bases, and they sit inside traction converters, switchgear cabinets and onboard railway electrical cabinets. Long-term heavy-current operation and resistance to vibration and shock are required.

Material: T2 copper bar, aluminium bar, aluminium alloy housing, tin or silver plating; Structure: busbar module, module housing, terminals and insulating supports; Process: stamping, bending, CNC, welding, insulation coating, surface plating; Current rating: designed to the current class of the switchgear or traction converter; Insulation: meets system dielectric withstand and creepage distance; Environment: vibration and shock resistance, wide temperature operation, salt spray resistance; Tests: DC resistance, dielectric withstand, pull strength, coating thickness; Uses: grid switchgear, rail traction converters and onboard electrical modules.

• Conductive modules for grid switchgear
• Rail transit traction converter modules
• Structural parts of onboard railway electrical cabinets

These parts are the conductive links between the three-phase leads of a drive motor and the inverter, and they comprise the terminal body, insulating supports and the mounting base. They carry current at high magnitude and repetition rate, so they must satisfy current-carrying capability and dielectric withstand at the same time.

Material: T2 copper terminals, copper-aluminium composite terminals, insulating plastic supports; Process: stamping or forging, machining, silver or tin plating, injection overmoulding; Structural features: three-phase terminals, locating holes, bolted clamping faces; Current duty: selected to the peak current of the drive motor; Dielectric withstand: meets the insulation requirement of the motor controller high-voltage system; Temperature range: -40 C to +150 C on the motor side; Tests: DC resistance, pull and torque, insulation, dielectric withstand, salt spray; Uses: three-phase lead-out of drive motors and motor-to-inverter high-voltage links.

• Three-phase lead-out connection of drive motors
• Motor to inverter high-voltage connection
• Terminal parts of electric drive assemblies

These modules are the conductive and load-bearing units inside a photovoltaic inverter. They include the busbar, the power-device mounting substrate and the module housing, and they serve the DC-side heavy-current collection and the assembly of the inverter power stage. Heat dissipation and long-term outdoor reliability must both be achieved.

Material: T2 copper bar, aluminium alloy heat-sink substrate and housing, tin or nickel plating; Structure: collection busbar, power module mounting plate, insulating supports; Process: stamping, bending, CNC, welding, anodising or plating; Electrical requirement: suited to PV DC-side voltage classes of 1000-1500 V; Thermal requirement: mounting face flatness and contact-surface quality controlled to match the heat sink; Environment: outdoor wide temperature range, humidity and salt spray resistance; Tests: dielectric withstand, insulation, DC resistance, flatness, salt spray; Uses: power and collection units of string and central PV inverters.

• PV inverter collection busbars
• PV power module mounting substrates
• String inverter structural parts

These modules are the conductive and mounting parts inside the motor controller of an electric vehicle. They include DC and AC busbars, the power module substrate and housing supports, and they serve the assembly and current transmission of the automotive-grade high-power-density power stage.

Material: T2 copper busbar, copper-aluminium composite bar, die-cast or machined aluminium housing, silver or tin plating; Structure: DC busbar, three-phase output bar, power module mounting substrate, shielding and support parts; Process: stamping, bending, CNC, laser welding, injection moulding, surface plating; Electrical requirement: suited to 400/800 V electric drive platforms with correct clearance and creepage distance; Thermal: mounting face flatness matched to the thermal interface material; Temperature range: -40 C to +125 C; Tests: dielectric withstand, insulation, DC resistance, air tightness, vibration; Uses: EV motor controllers and electric drive assemblies.

• Motor controllers of new-energy vehicles
• Busbars and substrates of electric drive assemblies
• Automotive power module mounting

These modules are the conductive and support parts inside the power control unit of a hybrid vehicle. They carry out current collection and power module mounting in an engine-plus-motor hybrid architecture. Directed at the frequent start-stop duty and high temperatures of hybrid systems, the design reinforces heat resistance and vibration resistance.

Material: T2 copper bar, copper-aluminium composite connecting bar, aluminium alloy housing, tin or silver plating; Structure: busbars inside the hybrid PCU, power module substrate, insulating supports; Process: stamping, bending, CNC, welding, insulation coating, surface plating; Electrical requirement: suited to HEV high-voltage bus voltage and peak current; Thermal requirement: long-term operation in the high-temperature engine bay environment; Environment: vibration resistance, oil mist and humid heat resistance; Tests: dielectric withstand, insulation, DC resistance, temperature rise, vibration endurance; Uses: hybrid power control units and generator or drive motor control modules.

• Conductive modules of hybrid PCUs
• Hybrid generator control modules
• Hybrid drive motor control modules