Toyota bZ4X 2022MY (EU)

Key Features

The bZ4X is Toyota’s first battery electric vehicle based on the e-TNGA platform which was jointly developed with Subaru.
Depending on the market and powertrain type, different battery pack variants are installed.
- 71.4 kWh* (assumed supplier: Prime Planet Energy & Solutions)
- 72.8 kWh (assumed supplier: CATL)
The electric drive units (e-motor, inverter & gearbox) for the vehicle are developed and produced by BluE Nexus, a joint venture by AISIN and DENSO.
- Front-wheel drive: 1 x 150 kW
- All-wheel drive: 2 x 80 kW*
On-board charger, 12 V DC/DC converter and other HV functions are combined in an electricity supply unit provided by DENSO.

*: Covered in the FEV benchmarking program

HV Battery

Assumed cell supplier is Prime Planet Energy & Solutions (PPES), a joint venture between Panasonic and Toyota.
In total 96 prismatic cells are equally distributed among 4 battery modules and connected in series to deliver the nominal voltage level of 355 volts.
The battery cells are liquid cooled (water-glycol mixture) using a separate cooling plate.
Main housing components are made of steel sheet metal (main housing & cover) and aluminum (extruded side profiles & underbody protection plate).

Download Sample Report

Front & Rear EDU (Electric Drive Unit)

The electric drive units (EDUs) were developed by BluE Nexus, a joint venture of Aisin and Denso.
Each EDU includes:
- Integrated inverter using Denso semiconductors
- Oil-cooled PMSM motor with hairpin windings
- 1-speed reducer gearbox
To realize economies of scale, several identical parts are used for front and rear EDU.
A park lock is included in the front EDU, park lock gear and intermediate gear are realized as one component.

Download Sample Report

Electricity Supply Unit (ESU)

The Toyota bZ4X is equipped with an Electricity Supply Unit (ESU) provided by Denso that combines several power electronics functions:
- Power distribution to the electric drive units, HV battery, cabin heater and A/C compressor
- 12 V DC/DC converter
- On-board charger
Two cast housings are used to integrate the functions:
Power distribution in the upper housing, DC/DC converter & on-board charger in the lower housing
Liquid cooling (water glycol mixture) is only applied to the components located in the lower housing.

Benchmarking Report Overview

The following reports are available:

M1.1 – Level-1 Benchmark
Level-1 benchmark delivers a first vehicle overview and comparison of key performance indicators within FEV scatter bands.
M2.1 – Energy Consumption
Investigate in detail vehicle energy consumption on legislative cycles installing a comprehensive sensor instrumentation.
M2.2 – Control Strategy
Capture detailed measurement data during driving cycle and critical mission tests and analyze vehicle control strategy.
M2.4 – Charging Performance
Equip an air-conditioned chassis Dyn. with a high-power DC charger to test the charging performance under different temperature conditions.
M3.11 – Design Benchmark HV Battery
M3.12 – Design Benchmark EDU (e-Axle)
M3.13 – Design Benchmark Electronics (OBC & DCDC)
M3.21 – Cost Benchmark HV Battery (sold as a set with M3.11 – Design Benchmark HV Battery)

For further details including content and price, please contact:

MarkLines Co., Ltd., Consulting Services Department
Person in charge: Mr. Usuba
TEL：(03) 4241-3906
FAX：(03) 4241-3900
e-mail：benchmarkdata@marklines.com