For Nissan Leaf Steel, which is less expensive than aluminum, is used. To cope with lateral impacts, spot welding with a small pitch is used to increase strength.
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Plastic battery case (Upper lid) Automotive World 2025 UNIPRES Corporation
-Battery case made from 100% recyclable thermoplastic resin, compliant with EU ELV (end-of-life vehicles) directive. -It is over 30% lighter than iron and results in approximately 50% less CO2 emissions during production than aluminum.
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ElroForm TP-ECO International Suppliers Fair (IZB) 2024 ElringKlinger AG
Serves as thermal propagation shielding, both to protect the electrical components inside the battery from metallic venting particles and short circuits, as well as to slow down heat propagation and improve thermal shielding between the inside of the battery case and the environment/Passenger compartment.
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Protexx-Shield 7040/7045 The Battery Show North America 2024 Tenneco Inc.
Thin, flexible thermal and flame barrier designed for anti-propagation protection within EV battery packs; comprised of multiple layers of materials including silicone-based coating on silica fabric structure, textile insulation, and optional pressure-sensitive adhesive for direct mounting; Used for EV battery case liners and battery packs
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FyreJacket 1650 The Battery Show North America 2024 Tenneco Inc.
Sleeve that is a highly expandable fiberglass structure with engineered silicone coating; provides high temperature and fire protection to mitigate thermal runaway; applications include high-voltage cables, busbars, case liners, and cooling systems
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Power Electronics Case The Battery Show North America 2024 Röchling SE & Co. KG.
The lightweight aluminum case provides a platform for mounting electronic components, such as PCBs and and it serves 1. protection from dust, moisture, fire, physical damage etc. 2. thermal management providing cooling to prevent components from overheating 3. safety preventing direct contact with potentially hazardous components like high voltage circuits
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Thin aluminum case The Battery Show North America 2024 F.C.C. Co., Ltd.
The lightweight aluminum case provides a platform for mounting electronic components, such as PCBs and and it serves 1. protection from dust, moisture, fire, physical damage etc. 2. thermal management providing cooling to prevent components from overheating 3. safety preventing direct contact with potentially hazardous components like high voltage circuits
The valve is capable of three unique functions, including a battery case leak-check mechanism and passive and active venting to provide overpressure relief for a vehicle’s battery pack. Development stage: B-sample ready for system testing
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Venting unit Advanced Clean Transportation Expo 2024 MANN+HUMMEL GmbH
System protects high-voltage batteries by preventing water and dust contamination into the batteries while also maintaining pressure; capable of pressure compensation due to temperature or altitude differences and emergency degassing in case of thermal runaway
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Battery case covers 2024 JSAE Automotive Engineering Exposition ElringKlinger AG
FST Battery Cell Caps deliver key functions to ensure long-term performance for lifetime reliability such as: - Perfect tightness to gases over the battery lifetime - Reliable welding solution to minimize electrical resistance of poles - Wide material range to ensure perfect compatibility with electrolytes, cooling fluids and gases - Optimal mechanical resistance to peak and fatigue loads - Precise pressure release in case of battery thermal runaway - Effective interface solutions for automatic cover to can welding
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High performance paper (under development) 2023 JSAE Automotive Engineering Exposition EXEDY Corporation
- Left: Thermal insulation sheet for lithium-ion batteries. Used between cells or between cells and case. It has excellent heat insulation and flame resistance, and can withstand a 1000°C burner test for 10 minutes. - Right: Resin molded material. Fibers, functional powders, and resins are mixed, made into sheets and layered, then formed by compression molding. A fiber-reinforced plastic with a paper-derived porous structure, it is stronger than super engineering plastics.
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