Global and China Passenger Car Cell to Pack, Cell To Chassis and Cell to Body Integrated Battery Industry Report 2024: Currently Only Tesla, BYD, Leapmotor and Xpeng have Released CTC/CTB Technology – ResearchAndMarkets.com

DUBLIN–(BUSINESS WIRE)–The “Passenger Car CTP (Cell to Pack), CTC (Cell To Chassis) and CTB (Cell to Body) Integrated Battery Industry Report, 2024” report has been added to ResearchAndMarkets.com’s offering.

Passenger Car CTP, CTC and CTB Integrated Battery Industry Report, 2024 summarizes and studies the status quo of CTP (Cell to Pack), CTC (Cell To Chassis) and CTB (Cell to Body) for passenger cars and the layout of OEMs and suppliers in related products, and predicts the future development trends of passenger car integrated batteries.

In 2023, CTP (Cell to Pack) technology was seen in nearly 50% of new energy vehicles sold.

In 2021, there were only 13 vehicle models equipped with CTP in China. As of October 2023, the number had increased to 57. Vehicles equipped with CTP shared 29.6% of the total sales of new energy vehicles (EVs, PHEVs and EREVs) in 2021, and made up 48.6% from January to October 2023, a figure projected to be higher than 50% in the whole year of 2023.

From the perspective of both suppliers and OEMs, CTP technology has entered a mature application stage.

Among suppliers, CATL is a role model. In 2019, CATL released its CTP 1.0. By 2023, the technology has iterated to 3.0, and has been installed by brands such as ZEEKR, Li Auto and AITO.

OEMs are represented by BYD. In 2020, BYD released its blade battery based on CTP technology, which was first mounted on Han EV in June of the same year. In 2023, with higher blade battery capacity, BYD began to supply batteries to other automakers after meeting its own demand. Both Tesla and Hongqi have some models equipped with the blade battery.

According to the statistics of the publisher, there are more than 17 models using blade batteries. By the end of 2023, BYD had deployed 17 blade battery production bases with the planned capacity of over 460GWh.

CTC/CTB technology is easier to implement under the leadership of OEMs

Currently only four automakers Tesla, BYD, Leapmotor and Xpeng have released CTC/CTB technology and applied it in production models.

Tesla: In 2020, Tesla introduced the concept of CTC (Cell To Chassis) for the first time on its Battery Day, which cancels the floor of the vehicle body, integrates the battery frame with the underbody (rocker rail, transverse beam, longitudinal beam, floor, etc.), and then connects the castings at the front and rear ends of the body.

From the point of performance improvement, Tesla’s CTC technology offers the benefits: a 10% reduction in vehicle weight, a 14% increase in cursing range, a reduction of 370 parts, 7% lower unit cost, 8% lower unit investment, and far higher automobile manufacturing efficiency. CTC technology has been applied to Model Y produced at Gigafactory Texas.

Leapmotor: In April 2022 Leapmotor released CTC technology, and first applied it to the production model Leapmotor C01. Leapmotor’s CTC solution cancels the battery pack housing and upper cover, and retains the integrated battery module and lower battery tray.

Leapmotor’s CTC technology can increase the vertical space of the vehicle by 10mm, the battery layout space by 14.5%, the cursing range by 10% and the torsional stiffness of the body by 25% to 33897Nm/, and reduce the number of parts by 20% and the weight by 15kg. CTC 2.0 unveiled by Leapmotor in 2023 enables 10% fewer parts and 5% less weight than CTC 1.0.

Leapmotor’s CTC Technology Patent

BYD: In May 2022, BYD released CTB (Cell to Body), a technology using the upper shell of the battery pack to replace the body floor. It cancels the modules and the upper shell of the battery pack, and sticks the blade battery to the tray and upper cover to form a sandwich structure of ‘battery upper cover-cell-tray’.

The volume utilization rate of BYD’s CTB can be raised to 66%; the torsional stiffness of the vehicle body exceeds 40,000 N m/; the intrusion of the vehicle side column collision is reduced by 45%. The wind resistance of Seal, the first model equipped with CTB, is as low as 0.219, and the 0-100 km/h acceleration of the four-wheel drive edition only takes 3.8 seconds, with energy consumption per 100 kilometers as low as 12.7kWh.

Xpeng: In April 2023, Xpeng launched its ‘Fuyao’ architecture, which adopts CIB technology that uses the upper cover of the battery pack as the body floor, thereby saving 5% vertical interior space. As with Tesla, Xpeng integrates the reserved mounting bracket on the battery pack upper cover, and installs seats directly on the battery pack.

As per the technical features of CTC/CTB, OEMs cannot tolerate less say.

In the conventional new energy industry chain, power batteries account for 30%~40% of the vehicle cost. In the promotion process of CTC technology, the use of CTC makes it easier for battery vendors to dabble in chassis and vehicle development. For automakers, this may lead to less say, which is unacceptable to them.

CTC technology however requires battery cells with high intrinsic safety, and this needs to enhance thermal stability of battery cell materials. As concerns process, it is necessary to ensure the reliability of battery cells in terms of design and manufacturing. These are the advantages of battery vendors. Amid a combination of multiple factors, the model that OEMs play a leading role and suppliers cooperate with them may be the main way to advance CTC technology in the future.

In the case above OEMs that have the ability to develop and produce battery cells by themselves, such as BYD and Tesla, can effectively avoid the technical restrictions from battery vendors and have greater advantages in technology application.

CTC technology layout of other OEMs

In addition to Tesla, BYD, Leapmotor and Xpeng, Xiaomi, Volkswagen, Volvo, JAC and SAIC all make layout of CTC technology. On December 28, 2023, Xiaomi unveiled SU7, a car that packs its self-developed CTB technology. The innovative designs such as floor-cover two-in-one, battery cell inversion, multifunctional elastic interlayer and minimalist wiring harness enable the volume efficiency up to 77.8% and release an additional height of 17 mm.

Key Topics Covered:

1 Overview of Passenger Car CTP, CTC and CTB Industry

1.1 Development Background and History of Integrated Batteries for Passenger Cars

1.2 Integrated Batteries: CTP Technology

1.3 Integrated Batteries: CTC Technology

1.4 Integrated Batteries: CTB Technology

1.5 Impact of Battery Pack Integration on the Number of Parts and Group Efficiency

1.6 Comparison among CTP, CTC and CTB Technologies

1.7 China’s Battery Integration Policies

1.8 Advantages of Chinese Battery Vendors in Developing Battery Integration Technology

1.9 Product Layout of Integrated Battery Suppliers

1.10 Product Layout of Integrated Battery OEMs

2 Tier1 Suppliers of Passenger Car Battery Integration

2.1 CATL

2.2 CNP

2.3 Tianjin EV Energies (JEVE)

2.4 SVOLT Energy

2.5 CALB

2.6 AESC

2.7 LG Energy Solution

2.8 SK On

2.9 Farasis Energy

2.10 EVE

2.11 SEVB

2.12 REPT

2.13 FinDreams Battery

2.14 BAK Battery and Capacity Planning

2.15 CTP and CTC Technical Planning of Lishen Battery

2.16 Phoenix Battery of Greater Bay Technology

3 Integrated Battery Layout of Passenger Car OEMs

3.1 Leapmotor

3.2 BYD

3.3 Tesla

3.4 BAIC BJEV

3.5 SAIC

3.6 Neta Automobile

3.7 Volvo

3.8 Volkswagen

3.9 CTC Technical Solutions of JAC

3.10 CTP Technology of HYCAN

3.11 CTP Technology of Ford

3.12 Battery Technology and Capacity Layout of Changan Automobile

3.13 CTC Technology of Great Wall Motor

3.14 CTP Technology of FAW

3.15 CTP Super Fast Charging Battery System of GAC

3.16 CTP Technology of NIO

3.17 Xpeng’s CIB Technology and Models Supported

3.18 Chery’s Integrated Battery Technology and Capacity Layout

3.19 ZEEKR’s CTP Technology

3.20 CTB Technology of Xiaomi Automobile

4 Development Trends of Passenger Car Integrated Battery Industry

For more information about this report visit https://www.researchandmarkets.com/r/h5ckl7

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