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Soluzione di raffreddamento per celle prismatiche: Modulo BESS/EV su Liquid Cold Plate FSW

Soluzione di raffreddamento per celle prismatiche: Modulo BESS/EV su Liquid Cold Plate FSW

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Batterie EV, BESS & E‑Mobility

I sistemi di accumulo energetico a batteria stazionari (BESS & ESS — dai rack 19" ai container grid‑scale da 20/40 piedi) e i pacchi batteria di trazione nei veicoli elettrici (BEV, PHEV, e‑bus, macchine movimento terra, nautica ed eVTOL) richiedono un controllo termico rigoroso tra 20 °C e 35 °C con un'uniformità di temperatura cella‑cella ΔT ≤ 2,5 K.

Per celle prismatiche (LFP / NMC), cilindriche (18650 / 21700 / 4680) e pouch in architetture Module‑to‑Pack (MTP) e Cell‑to‑Pack (CTP), ALVC ingegnerizza sei topologie: Liquid Cold Plates dirette (FSW, saldo‑brasatura sotto vuoto, roll‑bond), piastre intercellulari bifase ALVC/PHP a L accoppiate a piastre fredde inferiori o laterali, housing strutturali dissipanti, moduli ibridi HVAC con evaporatore integrato e nastri serpentini per celle cilindriche.

La separazione tra le piastre bifase a secco tra le celle e il circuito liquido esterno azzera il rischio di perdite interne, previene il thermal runaway durante le ricariche ultrarapide (HPC 2C–6C) e riduce il peso fino al 70% grazie alle leghe di alluminio ad alta conducibilità.

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System Engineering & Benchmarks

Specifiche Tecniche & Prestazioni (BESS / ESS / EV)

Target Systems
BESS · ESS · E‑Mobility (EV)

19" racks, 20/40 ft containers, BEV, e‑bus & marine

Cell Formats & Chemistry
Prismatic · Cylindrical · Pouch

LFP, NMC, 18650 / 21700 / 4680 (MTP & CTP)

Cell‑to‑Cell Uniformity
ΔT ≤ 2,5 K

Homogeneous thermal profile across the entire cell stack

Operating Window & HPC
20 °C – 35 °C (2C–6C)

Hotspot suppression during fast charging & peak shaving

Manufacturing Processes
FSW · Vacuum Brazed · Roll‑Bond

Extrusion, hydroforming & precision CNC machining

Cell Stack Safety
100% Dry Separation

Zero liquid coolant inside the cell stack (intercellular ALVC/PHP cooling)

Testing & Protection
100 % Helium · IP67 / IP68

Burst pressure > 35 bar, pressure‑drop & flow tested

Lightweight Advantage
Up to −70% Weight vs. Cu

EN AW‑3003 / 6061 / 6063 for maximum pack energy density

6 Modular Battery Cooling Solutions by Cell & Pack Format

ALVC Battery Cooling Architectures for BESS, ESS & E‑Mobility

Engineered for your specific cell format, pack envelope, and heat‑rejection loop, ALVC provides six production‑ready thermal architectures. Click any card to inspect the 3D assembly in the gallery.

For Prismatic CellsBottom LCP · BESS/EV
For Prismatic Cells – Bottom Liquid Cold Plate (FSW / Roll‑Bond)

Bottom Liquid Cold Plate (FSW / Roll‑Bond)

Direct bottom cooling of prismatic LFP/NMC battery modules via a serpentine multi‑channel aluminum Liquid Cold Plate with thermal interface pad (TIM) coupling and front coolant ports.

  • Minimal Z‑height for 19" BESS rack trays
  • FSW, vacuum‑brazed & roll‑bond series production
  • High structural rigidity in Cell‑to‑Pack floors
For Prismatic & Pouch CellsIntercellular · L‑Profile
For Prismatic & Pouch Cells – Intercellular L‑Profile PHP/ALVC + LCP

Intercellular L‑Profile PHP/ALVC + LCP

Ultra‑thin L‑shaped Pulsating Heat Pipes (PHP) or ALVC phase‑change sheets between cells transfer core heat dryly downward into the external bottom Liquid Cold Plate.

  • Large‑area heat extraction across cell side faces
  • 100% dry intercellular space with zero leak risk
  • Eliminates vertical temperature gradients under HPC
For Heavy‑Duty BESS ModulesHousing‑Integrated · Dual‑Path
For Heavy‑Duty BESS Modules – Housing‑Integrated ALVC Fins + LCP

Housing‑Integrated ALVC Fins + LCP

Full‑height intercellular ALVC/PHP spreaders interlock structurally with the extruded side housing walls and couple to the bottom Liquid Cold Plate for dual‑path heat rejection.

  • Dual heat path via side housing & bottom LCP
  • Structural cell clamping & vibration resistance
  • Thermal barrier against thermal runaway
For Low‑Profile Battery PacksSide LCP · Low Z‑Height
For Low‑Profile Battery Packs – Side‑Mounted Liquid Cold Plate + L‑ALVC

Side‑Mounted Liquid Cold Plate + L‑ALVC

Intercellular ALVC/PHP plates feature 90° side L‑flanges thermally coupled to a side‑mounted vertical Liquid Cold Plate — ideal when vertical pack height is strictly constrained.

  • Zero vertical height penalty underneath cells
  • Easy side‑access maintenance of coolant manifolds
  • No liquid coolant routed beneath the cell stack
For Autonomous BESS CabinetsClosed‑Loop HVAC · Off‑Grid
For Autonomous BESS Cabinets – Two‑Phase ALVC/PHP + Closed‑Loop HVAC

Two‑Phase ALVC/PHP + Closed‑Loop HVAC

Dual‑stack prismatic array with curved intercellular ALVC/PHP sheets, top fin heat exchangers, and top‑mounted closed‑loop HVAC module (centrifugal blower + evaporator + TXV) with U‑ducts.

  • 100% waterless architecture without external CDU
  • Hermetic closed air loop against dust & humidity
  • Scalable for 19" cabinets & outdoor ESS
For Cylindrical Cell Packs18650 · 21700 · 4680
For Cylindrical Cell Packs – Cylindrical Pack + Serpentine ALVC Ribbon

Cylindrical Pack + Serpentine ALVC Ribbon

Contoured serpentine ALVC Vapor Chamber and micro‑channel ribbons wrap around cylindrical cells (18650, 21700, 4680) and reject heat into an end‑mounted fin cooler or cold plate.

  • Maximum cylindrical wall contact per cell
  • Ultra‑lightweight for e‑mobility, UAV & eVTOL
  • Configurable with end fin‑fan or liquid manifold

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