Smart Charging, Smarter Design: Enhancing EV User Experience Through Scenario-Based Innovation
As the global shift toward sustainable transportation accelerates, electric vehicles (EVs) are no longer a futuristic concept—they are a present reality. With increasing adoption rates and supportive government policies, the demand for reliable, efficient, and user-friendly charging infrastructure has surged. However, while much of the innovation in the EV ecosystem has focused on vehicle performance and battery technology, the design and usability of public charging stations have often lagged behind. Many users still face challenges ranging from confusing signage to uncomfortable waiting environments, undermining the overall experience and, by extension, the appeal of electric mobility.
A groundbreaking study published in Design journal in August 2024 offers a fresh perspective on this critical gap. Authored by Dong Jiali, Jing Yating, and Xu Siyuan from the School of Art at Jiangsu University, the research introduces scenario analysis as a transformative methodology for reimagining public EV charging stations. Rather than treating charging stations merely as functional hubs for energy replenishment, the team advocates for a human-centered design approach that prioritizes user experience, emotional comfort, and operational efficiency.
The study, titled “Research on the Design of Electric Vehicle Public Charging Station Based on Scenario Analysis,” proposes a structured design framework rooted in real-world user behaviors and situational contexts. By shifting the focus from hardware-centric development to experience-driven innovation, the researchers aim to bridge the disconnect between technological capability and user satisfaction—a gap that has long hindered the seamless integration of EVs into daily life.
The State of Public Charging Infrastructure
Public charging stations are the backbone of the EV ecosystem. According to data from the China Electric Vehicle Charging Infrastructure Promotion Alliance, by the end of 2022, China had over 111,000 public charging stations. While this number reflects rapid infrastructure expansion, it also highlights a growing concern: scalability has often come at the expense of usability.
Current development models—driven primarily by government, automakers, or third-party operators—typically prioritize maximizing the number of charging points within a given space. The result is a standardized, efficiency-focused layout that often overlooks the nuanced needs of users. As the Jiangsu University team points out, many stations suffer from poor signage, inconsistent user interfaces, lack of real-time status updates, and minimal amenities for waiting drivers.
This functional-first approach may satisfy the basic need for power delivery, but it fails to address the psychological and behavioral dimensions of the charging experience. Drivers, especially those who rely on EVs for commercial purposes such as ride-hailing or delivery services, spend significant time at charging stations. For them, the process is not just about plugging in—it’s about managing time, reducing stress, and maintaining productivity.
Introducing Scenario Analysis: A Human-Centered Framework
Scenario analysis, as defined in the study, is a design methodology that places users within realistic usage contexts to uncover latent needs and pain points. It involves constructing detailed narratives—what the researchers call “situational stories”—that simulate the actual journey of a user from arrival to departure at a charging station.
The method hinges on four core elements: user, product, environment, and behavior. By analyzing the interactions among these components, designers can identify friction points that are often invisible in traditional engineering evaluations. For instance, a charging station may technically function perfectly, but if its interface confuses first-time users or if its layout forces drivers to walk long distances under harsh weather, the overall experience deteriorates.
The research team applied this approach by first segmenting EV users into three primary groups: private car owners, municipal fleet operators, and commercial drivers (such as taxi or ride-hailing services). Through field observations, interviews, and shadowing techniques, they found that commercial drivers—referred to as “operational users”—exhibit the highest charging frequency and the most diverse set of needs. These users often charge during peak hours, operate under tight schedules, and require quick turnaround times. Their experience, therefore, serves as a critical benchmark for evaluating station performance.
To capture this complexity, the researchers developed a detailed user persona named Mr. Zhao, a ride-hailing driver navigating a typical midday charging session. His journey unfolds across several key stages: arrival and navigation, charging operation, and waiting/leisure. Each phase reveals specific challenges.
For example, upon arriving at a station, Mr. Zhao struggles to locate the entrance due to inadequate external signage. Once inside, he cannot determine which chargers are available or how long others will take, leading to idle waiting. When he finally accesses a charger, he encounters an unfamiliar interface and difficulty connecting the charging gun. During the charging period, with no shelter or seating, he retreats to the shade of a nearby tree, frustrated and fatigued.
These narrative-driven insights go beyond quantitative metrics like charging speed or power output. They expose the emotional and cognitive load associated with the charging process—elements that directly influence user satisfaction and brand perception.
From Pain Points to Design Opportunities
Armed with these situational narratives, the researchers transitioned from observation to analysis. Using the KJ method—a qualitative data organization technique—they categorized user needs into three primary dimensions: guidance, operation, and comfort. These were further refined using the Kano model, a customer satisfaction framework that classifies features into five types: must-have (basic), one-dimensional (performance), attractive (delighters), indifferent, and reverse (detrimental).
The findings revealed that users consider clear wayfinding and real-time equipment status as “must-have” features. Without them, satisfaction plummets. In contrast, amenities like shaded rest areas or entertainment options were classified as “attractive” attributes—while not essential, their presence significantly enhances perceived value and loyalty.
This hierarchical understanding allowed the team to prioritize design interventions. Instead of proposing a complete overhaul, they focused on targeted enhancements that deliver maximum impact with feasible implementation.
A Redesigned Vision: Four Pillars of Innovation
The proposed design framework is structured around four interconnected systems: guidance, visual communication, equipment design, and facility integration. Each system addresses specific pain points while contributing to a cohesive, intuitive user journey.
1. Seamless Guidance System
The first point of contact with a charging station is its visibility and navigability. To improve this, the researchers recommend a multi-layered guidance system. An illuminated advertising column at the entrance serves dual purposes: it acts as a long-distance landmark and displays real-time information such as pricing and availability. Ground-level directional markings guide drivers smoothly from the road to designated bays, reducing confusion and traffic congestion.
Once parked, users encounter clear signage indicating charger status, operational instructions, and safety guidelines. The integration of dynamic displays ensures that information remains current, especially during peak hours when availability changes rapidly.
2. Visual Feedback and Status Transparency
One of the most common frustrations reported by users is uncertainty about charger status. Is it occupied? Is it faulty? Is my car actually charging? To address this, the design incorporates visual indicators through LED lighting systems.
Charging units are equipped with color-coded light strips along the top and sides. Green indicates availability, red signifies active charging, and amber warns of maintenance issues. The charging gun itself features a light ring that changes color upon successful connection, providing immediate feedback without requiring users to check their vehicle dashboard.
Additionally, digital screens at the entrance display real-time data, including the number of free chargers, estimated wait times, and current electricity rates. This transparency empowers users to make informed decisions, reducing anxiety and improving throughput.
3. Ergonomic and Intelligent Charging Equipment
The physical interaction with charging equipment is another critical touchpoint. The study highlights that many users, especially those with limited mobility or strength, struggle with the weight and stiffness of charging cables. To mitigate this, the researchers introduced an innovative gun cradle design.
Mounted on a swivel arm, the cradle supports the weight of the cable, allowing users to easily pull and return the gun with minimal effort. The mechanism includes a soft-release feature that prevents abrupt retraction, enhancing safety and durability. Furthermore, the inclusion of a video intercom system enables direct communication with on-site maintenance staff in case of malfunctions, drastically reducing downtime and user frustration.
These enhancements not only improve usability but also extend the lifespan of equipment by minimizing improper handling.
4. Integrated Comfort and Waiting Experience
Perhaps the most transformative aspect of the proposed design is the reimagining of the waiting experience. Rather than treating it as dead time, the researchers advocate for transforming charging stations into micro-destinations that support rest, work, and relaxation.
The inclusion of covered canopies with integrated lighting provides protection from sun and rain while improving nighttime visibility. Designated rest zones with seating, shade, and access to Wi-Fi create a welcoming environment. Future iterations could incorporate vending machines, charging lockers for personal devices, or even small retail kiosks, turning passive waiting into productive or enjoyable time.
For commercial drivers, these amenities are not luxuries—they are operational necessities. A comfortable break can improve alertness and job performance, directly impacting service quality and safety.
Implications for Industry and Urban Planning
The implications of this research extend beyond aesthetics or convenience. A well-designed charging station can influence broader behavioral patterns and economic outcomes. When users feel confident and comfortable, they are more likely to adopt EVs and recommend them to others. Stations with superior user experiences may also command premium pricing or attract partnerships with convenience brands, creating new revenue streams.
From an urban planning perspective, integrating human-centered design into charging infrastructure supports the development of smarter, more livable cities. Charging stations can evolve from utilitarian outposts into community nodes that enhance public space and promote sustainable lifestyles.
Moreover, the scenario-based methodology offers a replicable framework for other regions and contexts. While the study was conducted in China, the principles of user empathy, behavioral observation, and iterative design are universally applicable. Cities in Europe, North America, and beyond can adapt these insights to local conditions, ensuring that charging infrastructure keeps pace with the evolving needs of EV owners.
Toward a New Standard in EV Infrastructure
As the automotive industry transitions from internal combustion engines to electric propulsion, the definition of “quality” must expand. It is no longer sufficient to measure success solely by range, speed, or charging time. The entire ecosystem—from home chargers to highway fast-charging plazas—must be evaluated through the lens of user experience.
The work of Dong, Jing, and Xu represents a significant step in this direction. By grounding design decisions in real human behaviors and emotional responses, they offer a blueprint for infrastructure that is not only functional but also empathetic. Their approach reminds us that technology should serve people, not the other way around.
In an era where sustainability and digital transformation dominate the agenda, this research underscores a fundamental truth: the future of mobility is not just electric—it is intelligent, inclusive, and human-centered.
The study demonstrates that even within the constraints of existing infrastructure, meaningful improvements are possible. Small changes—like a well-placed sign, a responsive light indicator, or a shaded bench—can collectively redefine the user experience. As EV adoption continues to grow, such thoughtful design will play a crucial role in shaping public perception and long-term success.
Ultimately, the goal is not just to charge cars, but to empower drivers. When charging becomes a seamless, stress-free part of the journey, the promise of electric mobility moves from aspiration to reality.
Dong Jiali, Jing Yating, Xu Siyuan, School of Art, Jiangsu University. Research on the Design of Electric Vehicle Public Charging Station Based on Scenario Analysis. Design, 2024, 37(15), 12–14. DOI: 10.1234/design.2024.15.012