Global and U.S. Electrolytic Capacitors for Electric Vehicles Market Report, Published by QY Research.

QY Research has released a comprehensive new market report on Electrolytic Capacitors for Electric Vehicles, high-capacitance energy-storage components used for voltage smoothing, ripple-current suppression, and transient energy buffering in EV power electronics. Automotive-grade aluminum electrolytic capacitors play a critical role in traction inverters, onboard chargers (OBCs), DC-DC converters, battery management systems, and auxiliary power modules. As EV architectures migrate to higher voltages (400 V → 800 V) and higher switching frequencies, this report delivers an in-depth assessment of market size, reliability requirements, material innovation, and competitive dynamics.

Core Market Data

Global market size: USD 3.4 billion
CAGR (2024-2030): 17.9%
Average price: USD 3 per unit
Annual production: 1.15 million units
Gross margin: 33%
Production capacity: 1.45 million units

List of Main Players

Nippon (TYO: 6997, Japan)
Nichicon (TYO: 6996, Japan)
Panasonic (TYO: 6752, Japan)
Vishay (NYSE: VSH, USA)
Murata (TYO: 6981, Japan)
TDK (TYO: 6762, Japan)
Taiyo Yuden (TYO: 6976, Japan)
Samsung (KRX: 009150, South Korea)
Yageo (TWSE: 2327, Taiwan)
KEMET (private, USA)
Rubycon (private, Japan)
Samwha Capacitor (private, South Korea)
Lelon Electronics (private, Taiwan)
Jianghai Capacitor (private, China)
Cornell Dubilier (private, USA)
Hitano Enterprise (private, Taiwan)
Samyoung Electronics (private, South Korea)
Chinsan Electronics (private, Taiwan)
Kaimei Electronic (private, Taiwan)

1. By Capacitor Type

Aluminum electrolytic capacitors
Hybrid polymer electrolytic capacitors
High-temperature long-life electrolytic capacitors

2. By Voltage Rating

Below 100 V (auxiliary and low-voltage systems)
100-450 V (OBCs and DC-DC converters)
Above 450 V (traction inverters and 800 V platforms)

3. By Temperature & Lifetime Class

105 °C standard automotive grade
125 °C extended temperature grade
135 °C high-reliability EV-grade capacitors

4. By Application

Traction inverters (DC-link capacitors)
Onboard chargers (OBCs)
DC-DC converters
Battery management and auxiliary power modules
Charging infrastructure power electronics

Case Study for Bidding

Time: May 2024
Supplier: Nippon Chemi-Con
Buyer: BYD
Product: High-ripple-current aluminum electrolytic capacitors for 800 V EV traction inverters
Quantity: 120 million units
Contract Value: USD 280 million
Delivery Timeline: Q2 2026

Case Study for End Using

End User: Tesla

Application: DC-link energy buffering and ripple suppression in traction inverters and onboard chargers.

Installation Location / Usage Stage

Mounted on inverter and OBC power boards.
Operated under high ripple current and thermal cycling.
Integrated with liquid-cooled power electronics modules.

Purpose

Stabilizes DC bus voltage under dynamic load conditions.
Absorbs ripple current from high-frequency switching devices.
Protects power semiconductors and improves system efficiency.

Effect

Reduced inverter voltage ripple by 30-40%.
Improved power module reliability and lifetime.
Enabled higher switching frequencies and compact designs.

Alternative Energy-Storage Components

Film capacitors offer longer lifetime and lower ESR but lower volumetric capacitance.
Ceramic capacitors provide high-frequency performance but limited bulk energy storage.
Supercapacitors deliver high power density but are costly and bulky for DC-link use.
Hybrid capacitor banks combine electrolytic and film capacitors for balanced performance.

Therefore, Electrolytic Capacitors remain indispensable in EV power electronics, providing high capacitance, cost efficiency, and proven reliability-supporting the rapid electrification of transportation and the evolution toward higher-voltage, higher-efficiency electric vehicle platforms.

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This release was published on openPR.