<2026> Battery Module / Pack Materials
Technology Trends and Market Outlook (~2035)
The materials used in EV batteries are a
critical part of the vehicle. While a significant amount of information has
been published on the current status and future evolution of battery cell
materials, relatively little information has been available on the materials
used in battery modules and packs. Although battery cells account for a
substantial portion of both material usage and cost structure, information on
module- and pack-level materials has been limited. This report has been
prepared to provide an overview of the primary applications of battery module
and pack materials and their future development trends. The global market for
EV battery packs used in BEVs and PHEVs is projected to grow at a CAGR of 10%
from 2023 to 2035. On a pack basis, the market is expected to increase from USD
113 billion in 2023 to USD 367 billion by 2035. Excluding processing costs and
profit margins associated with battery cell and pack manufacturing, the market
for battery pack components is projected to grow from USD 27 billion in 2023 to
USD 88 billion by 2035. Components required for battery pack assembly are
expected to account for approximately 24% of the total battery pack cost.
In EV battery packs, a wide range of
structural materials are used in addition to battery cells. However, as battery
pack designs continue to evolve toward Cell-to-Pack (CTP) and Cell-to-Chassis
(CTC) architectures to improve energy density, the use of cell-to-cell
structural materials is expected to gradually decline. Battery pack components
can be broadly classified into housing, BMS, thermal management systems, power
electronics, wiring, and cell support structures. Technologies and products
designed to prevent thermal runaway, one of the most critical safety issues in
battery packs, are being continuously developed, and the number of related
patents is steadily increasing. Cooling technologies that maintain a stable and
uniform battery pack temperature during operation, as well as components
associated with battery cell thermal runaway, are receiving increasing
attention. In particular, a wide variety of materials are being developed to
address thermal runaway before, during, and after an event, and the usage of
these components is expected to continue increasing.
The strong points of this report are as
follows.
① Provides a detailed analysis of technological and
product developments in EV battery modules and packs.
② Covers the components used in EV battery packs in
detail.
③ Examines the current status of battery pack
components, the materials currently in use, and future material trends.
④ Focuses on thermal runaway in battery modules and
packs, including thermal runaway prevention materials and their development
trends.
⑤ Includes an overview of companies engaged in the
production and development of battery module and pack materials.
Contents
Part 1. EV, Battery, and Battery Pack Market Outlook
• Global EV Market
• Global Battery Pack Market Outlook
• Global Battery Pack Components Market Outlook
• Battery Pack Cost Breakdown
• Battery Cell and Pack Price Outlook
• Average EV Battery Capacity Outlook
• Pack Housing Materials
• Thermal Management Materials
• Cell-to-Cell Structural Materials
• Battery Cell Materials Overview
Part 2. Technology Trends in Battery Cell, Module, and Pack Materials
• Types of EVs
• Key EV Components
• EV Battery Materials Value Chain
• Differences Between Battery Cells, Modules, and Packs
• Battery Cell Types
• Battery Pack Manufacturing Process
• Battery Pack Regulations
Part 3. EV Battery Pack Specification Analysis
• Basic Information on Cells, Modules, and Packs
• EV Battery Pack Specifications Analysis
• EV Battery Pack Energy Density Analysis (kWh/kg)
• Weight Distribution of Major Battery Pack Components
• Summary of Key EV Battery Pack Specifications (1)
• Summary of Key EV Battery Pack Specifications (2)
• Summary of Key EV Battery Pack Specifications (3) (Usable Battery Pack Capacity)
Part 4. Battery Cell, Module, and Pack Platform Trends
• EV Platform and Battery Pack Development Trends
• VW MEB
• HKMC e-GMP
• GM Ultium
• Tesla
• Toyota e-TNGA
• Module-Free Battery Pack Technologies
- BYD CTP
- CATL CTP
- Xiaomi SU7
• Hybrid Battery Pack Applications
• AB Battery Pack System
Part 5. Key Battery Pack Components
1. Cell Materials and Components
• Key Materials Used in Cells, Modules, and Packs
• Cell Components
• Cylindrical Cell Components
• Prismatic Cell Components
• Pouch Cell Components
• Cell Component Materials Supply Chain
2. Thermal Interface Materials (TIM) for Battery Packs
• Introduction to TIM
• Gap Pads
• Gap Fillers
• Key TIM Materials
• Compression Pads
• Battery Cell Swelling
• EV Applications
• TIM Types and Material Comparison
• Silicon Applications in the Automotive Industry
• Silicon Alternatives for TIM
• Key Considerations for TIM
• EV Battery Pack TIM Trends
• TIM Outlook by Type
3. Housing (Tray, Cover, Gasket) and Cooling Plate Materials
• Battery Pack Housing Trends
• Battery Pack Housing Materials
• Polymer Composites
• Continental Structural Plastics (CSP)
• Aluminum Housing (Pack and Module)
• Stainless Steel Housing (Pack and Module)
• Cost Effectiveness of CFRP Housing
• Pack Sealing Gasket Materials
• Pack Sealing Plate Materials
• Immersion Cooling
4. Flame-Retardant Materials and Solutions for Battery Pack Protection
• Battery Thermal Runaway
• Need for Flame-Retardant Materials in Battery Packs
• Cell Thermal Runaway Prevention Solutions
• Flame-Retardant Solutions for Modules and Packs
• TP Solutions at the Module and Pack Levels (Venting Technology)
• Battery Pack Venting Design• Benchmark
• TP Prevention Measures
5. Cell-to-Cell Components and Materials
• Key Module Components and Materials (Cylindrical, Prismatic, and Pouch Modules)
• Cell-to-Cell Insulation Materials (Foams)
• Polyurethane (PUR) Compression Pads
• Key Characteristics of Compression Pads
• Electrical Interconnection Components (Busbars, FPCBs)
• Summary of Materials for Electrical Interconnection Components (Copper, Aluminum)
• Joining Technologies for Electrical Interconnection Components
• Laser Welding Technology for Electrical Interconnection Components
• Module Assembly Supply Chain
• Pack Components Supply Chain
Part 6. Key Industry Players
• Module & Pack-Related Companies
Busbar & ICB Assembly
KET / Younghwa Tech / LS EV Korea / Hyunwoo Industrial / Daeduck Electronics
Harness Assembly
Yura Corporation / Kyungshin
Housing Assembly
Hanjoo Metal / Aluko / Inzi Controls / Sinsung Delta Tech
Thermal Management System
Hanon Systems
Thermal Management Materials
WACKER / Saint-Gobain PPL
Pack gasket
Dong-A Hwa Sung
Pack Module Manufacturing
Sebang Lithium Battery / Amada Weld Tech Korea / TRUMPF Korea
Thermal Runaway Materials
Alkegen/Morgan/Rogers/Laird/Aspen/Pamica/Glorymica
Part 7. Key Patents for Battery Pack Materials