Three Key New Development Trends in Automotive Interior and Exterior Under the New Energy Vehicle Wave

With the rapid popularization of new energy vehicles, the demand for cockpit intelligence and user health has exploded, driving a deep transformation of automotive interior and exterior from "functional satisfaction" to "experience empowerment." Today, interior and exterior design and material applications have become key carriers for automakers to build brand differentiation, integrate core functions, and upgrade driving and riding experiences. The integration of material iteration and intelligent technology is sparking a profound transformation that is reshaping the industry.

1. Material Evolution: Finding a New Balance Between Functionality, Environmental Protection, and Cost

The development of automotive interior and exterior materials currently follows several clear and parallel paths. The deep integration of environmental protection and sustainability has shifted from a marketing concept to a tangible production standard. The use of post-consumer recycled (PCR) materials is moving from concept to mass production, especially in non-structural exterior components. More notably, the innovative application of natural materials: BMW Group won the 2026 “JEC Composite Innovation Award” for successfully applying natural flax fiber composite materials in mass-produced vehicle exterior components. This achievement sets a new benchmark for integrating innovation and environmental protection in the automotive industry. These materials not only effectively reduce the carbon footprint throughout the product's lifecycle but also achieve remarkable lightweight effects. Agricultural waste, such as coffee husks, pomace, and apple peels, can be transformed through biotechnology into eco-friendly raw materials for high-end products, such as the interior of the Mercedes-Benz all-electric EQE.

The evolution of cockpit health is shifting from "low VOC" to "active health." In the past, the focus was on reducing volatile organic compounds (VOCs), but now it has expanded to include functional surface treatments such as antibacterial, antiviral, and self-cleaning features. For instance, some automakers are beginning to apply materials treated with silver ions or photocatalysts in high-contact areas of the interior. These technological innovations aim to create a cleaner and more reassuring in-car microenvironment for users.

The continued focus on lightweighting. While ensuring strength and safety, replacing steel with plastic and using multi-material hybrid structures have become mainstream directions. The innovation in materials for the battery pack's top cover and lower shell is particularly crucial. Replacing metal with long-glass-fiber-reinforced polypropylene (LGFPP) or polyurethane composite materials not only achieves significant weight reduction, but their integral molding process also reduces the number of parts and assembly steps, demonstrating potential for controlling overall costs.

2. Core Breakthrough: Dual Empowerment of Materials and Intelligence

"Smart surfaces" have become one of the most significant trends in recent interior upgrades. The core idea is to seamlessly integrate functions like touch control, lighting, and display into traditional interior surfaces, achieving a "form as the interface" approach.

This brings two major changes:

• Simplification of design language: Physical buttons are hidden, and the interior surfaces become cleaner and more cohesive.

• Scenario-based interaction modes: For example, the trim panel in front of the co-driver is usually wood grain, but in entertainment mode, it can transform into a screen or ambient light strip. This requires the underlying materials to possess excellent light transmittance, weather resistance, and compatibility with electronic components. PC, PMMA, and modified transparent leather and fabrics are becoming key materials to realize these functions.

Zeekr has taken the lead in applying IME (In-Mold Electronics) technology to door armrests and center console trim, transforming traditional covered areas into touch-sensitive, slideable invisible interactive interfaces. Functions such as air conditioning adjustment, ambient light control, and seat massage can now be easily controlled without having to look down at the center console, allowing users to operate them with a simple touch.

3. Core Breakthrough: Strengthening Safety with Battery Pack Materials

The battery pack is the heart of electric vehicles, and its material selection directly impacts the vehicle's range, safety, and cost. With the 2026 new national standards for power batteries imposing stricter requirements on bottom impact resistance and thermal runaway protection, traditional metal shell solutions are facing pressure for innovation.

To reduce weight and improve energy density, the battery pack top cover is increasingly being made from glass-fiber-reinforced thermoplastic composites or HP-RTM, replacing traditional steel or aluminum covers. These composite materials not only reduce weight by 20-40% but also offer excellent insulation properties and design flexibility. In terms of safety performance, the new material solutions construct a "shock absorption-thermal insulation-lightweight" protective system through multi-material collaborative design, ensuring a comprehensive defense mechanism.

4. Trends and Bottlenecks: Collaborative Innovation to Solve Development Challenges

The industry currently faces multiple bottlenecks: long cross-domain technology integration cycles, insufficient collaboration between materials, components, and vehicle development; an incomplete circular economy system, with the material recycling chain not fully connected; and the surge in personalized demand, which is putting pressure on the supply chain’s flexibility.

In the future, the industry will focus on three key directions: 

• Highly integrated systems: Achieving integration of functional and structural parts through processes such as in-mold injection and electronic integration, streamlining wiring harnesses, and reducing weight.

• Circular economy closed loop: Coordinating recycling needs during the design phase and promoting easy-to-disassemble, single-material structures.

• Flexible, personalized customization: Meeting users' cockpit customization needs through modular combinations.

To break through collaborative barriers, the China International New Energy Vehicle Technology, Components, and Services Exhibition (CINEVE) will leverage the resources of over 500+ OEMs and 5,000+ core supply chain companies. It will feature a dedicated exhibition area and technical forum on "Automotive Interior and Exterior Technology Innovation," bringing together enterprises from across the entire industry chain to showcase achievements in key areas such as low-carbon materials, smart surfaces, healthy cockpits, and battery safety protection. The exhibition will focus on practical needs, creating an integrated platform for technology displays, trend sharing, and supply-demand matchmaking. This will facilitate direct communication between material companies, component manufacturers, and vehicle teams, accelerating the mass production of new technologies and enabling precise resource matching to uncover collaboration opportunities. We sincerely invite industry colleagues to participate and contribute to the development of the new energy vehicle cockpit.