Electric Cars

German Startup Repurposes Used E-Bike Batteries for Affordable Energy Storage

A pioneering German startup is revolutionizing energy storage by giving a second life to discarded e-bike and e-scooter batteries. Their innovative system integrates these used power cells into industrial-scale energy storage units, offering an economical and sustainable alternative to conventional solutions. This initiative not only tackles the growing problem of battery waste but also extends the operational lifespan of valuable resources, promoting a circular economy within the e-mobility sector.

This forward-thinking company is further developing its technology to incorporate various battery types from different manufacturers into a single, cohesive energy storage system. This future expansion will significantly enhance the versatility and applicability of their solutions, allowing for broader integration of repurposed batteries. Additionally, plans are underway to scale up their offerings with larger capacity systems, further solidifying their commitment to providing robust and environmentally friendly energy storage options to a wider market.

Transforming E-mobility Waste into Sustainable Energy Solutions

Millions of batteries from electric bicycles and scooters are discarded annually, despite often retaining significant residual capacity. Recognizing this untapped potential, EDENenergy, a German startup comprising three founders and a small part-time team, has developed a groundbreaking method to reintegrate these batteries into robust energy storage systems. Their initial commercial offering is a 70-kilowatt-hour battery unit, ingeniously constructed from 112 second-life e-scooter batteries. Extensive testing revealed that these previously used batteries impressively maintain approximately 90% of their original capacity, far exceeding initial expectations of 80%.

By repurposing these batteries, the startup significantly reduces waste and offers a cost-effective energy storage solution. Unlike their demanding first life in e-mobility vehicles, where they endured vibrations and extreme temperature fluctuations, these batteries enjoy a more stable existence within the stationary energy storage systems. This less strenuous environment is expected to prolong their functional life. Furthermore, the modular design of EDENenergy's systems allows for the easy replacement of individual battery modules as needed, ensuring the system consistently maintains its rated 70 kWh capacity without requiring a complete overhaul.

Advanced System Design and Future Expansion

EDENenergy's innovative energy storage units feature sophisticated remote monitoring capabilities for each individual battery module. This allows for proactive maintenance and seamless module replacement without disrupting the entire system's operation, a critical advantage for applications where power continuity is paramount. The initial deployment of these systems includes a solar inverter, specifically targeting small to medium-sized businesses that already utilize solar panels but lack efficient energy storage solutions. This strategic integration helps these businesses maximize their renewable energy consumption and reduce reliance on the grid.

Looking ahead, EDENenergy aims to enhance the versatility of its systems by developing technology capable of accommodating diverse battery types from various manufacturers within a single enclosure. This will involve adapting connector interfaces, battery management systems, and communication protocols to ensure compatibility. While currently relying on large suppliers for consistent battery types, this future development will broaden their sourcing options, particularly within the varied e-bike battery market. The company is also working on a larger 300 kWh system, which will incorporate around 500 second-life e-scooter batteries, diverting them from landfills and further underscoring their commitment to sustainability. Ultimately, when these repurposed batteries reach the end of their second life, they will be sent to specialized recycling facilities for material recovery and reuse, closing the loop on their lifecycle.

Kia Introduces the EV7, a New Midsize Electric SUV

Kia is making significant strides in the electric vehicle market, with a comprehensive range of models from entry-level SUVs to the spacious three-row EV9 and the versatile PV5 van. The company is set to introduce another significant model, the EV7, a midsize electric SUV designed to fit seamlessly between its existing EV6 and EV9 offerings. This strategic expansion was revealed through an internal document, highlighting Kia's aggressive push into the electric vehicle sector and its dedication to providing diverse options for consumers.

Kia's Growing Electric Vehicle Lineup

Kia is currently enjoying remarkable success in vehicle sales, having recently recorded its eighth consecutive month of year-over-year growth with 291,219 units sold. This upward trend is largely fueled by the company's intensified focus on electrified vehicles, particularly in key markets such as the US and Europe. Following the successful launch of the EV2 earlier this year, Kia now boasts one of the most comprehensive electric vehicle ranges available, including models like the EV2, EV3, EV4, EV5, EV6, EV9, and the PV5 van. The imminent arrival of the EV7 is poised to further strengthen this impressive portfolio.

An internal document, obtained by KoreanCarBlog from Kia's Employment Stability Committee, has shed light on the company's future production strategies. This document specifically confirms the upcoming manufacturing of the midsize electric SUV, the 'EV7,' at Kia's Gwangju facility in South Korea. While precise specifications for the EV7 remain undisclosed, it is expected to be positioned as a midsize electric SUV, nestled between the EV6 and the three-row EV9. This new model aligns with Kia's broader objective, announced during its 2026 CEO Investor Day, to significantly expand its electric vehicle offerings to 14 models by 2030, with a target of 66% of its European sales being electric vehicles within the same timeframe.

Advancements in EV Technology and Future Outlook

Kia is continuously innovating its electric vehicle technology, with plans to introduce a new EV platform that promises substantial improvements in both performance and cost-efficiency. Although detailed specifics are yet to be fully revealed, this advanced platform is anticipated to deliver a remarkable 40% increase in battery capacity and a 9% enhancement in motor output. Additionally, the integration of Kia's fifth-generation batteries is expected to boost energy density by up to 15% compared to current technologies, ensuring longer ranges and improved efficiency for upcoming models like the EV7.

Future Kia models, including the EV7, are set to incorporate cutting-edge software-defined vehicle (SDV) technologies. These advancements will leverage Hyundai's CODA SDV architecture, the Pleos Connect infotainment system, and Gleo AI, an in-vehicle agenic AI system. These vehicles will also feature Level 2++ autonomous driving capabilities for highway use, enhancing safety and convenience. The EV7 is expected to be larger than the current EV5, aligning more closely in size with the Sorento. Unlike the EV5's 400V electrical architecture, the EV7 is likely to adopt an 800V system, facilitating significantly faster charging times. Furthermore, Kia's production plans extend to redesigned models, including the 2028 Carnival Hybrid and a hydrogen-powered Carnival by 2029, as well as the Sorento Hybrid in 2028, reflecting a diverse approach to future mobility solutions.

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Xiaomi's Humanoid Robots Prove Their Mettle in EV Factory with 8-Hour Shifts

In a significant stride towards advanced manufacturing, Xiaomi has unveiled compelling footage of its humanoid robots meticulously performing an entire eight-hour shift within its electric vehicle production plant. These advanced robotic units were observed independently handling the intricate task of sorting center console side covers, showcasing an impressive capability for self-correction and error detection throughout their operational period. This demonstration represents a pivotal moment in the integration of AI and robotics into industrial settings, highlighting Xiaomi's commitment to pushing the boundaries of factory automation.

The video, circulated by Xiaomi Tech following the company's recognition at the World Internet Conference, illustrated the robots' methodical process of retrieving components, transporting them, and precisely placing them into designated storage areas. A continuous timer visible in the footage underscored the robots' endurance, while a superimposed label of "Autonomous, 100x Speed" emphasized their efficiency and independence. According to Xiaomi, these robots adeptly managed an entire day's production requirements for their designated workstation, demonstrating their ability to autonomously identify and rectify anomalies, as well as seamlessly integrate with the existing production line's control systems. This achievement is heralded by the company as a crucial step towards widespread industrial deployment.

This latest achievement builds upon a year-long public development program. Earlier in March, a humanoid robot was introduced as an "intern" at Xiaomi's Beijing EV plant, performing self-tapping nut installations with a reported 90.2% success rate over a three-hour period, meeting the station's cycle time. By July, this success rate had improved to 98%, with the robots tackling more complex tasks, including the very side-cover sorting job featured in the recent demonstration. Xiaomi's CEO, Lei Jun, previously articulated an ambitious vision to deploy a substantial number of humanoid robots across its manufacturing facilities within the next five years, further solidifying the company's long-term strategy in robotic integration.

Despite the visual evidence of these robots at work, key performance indicators such as the total number of parts sorted, the precise success rate over the full eight hours, or the frequency of human intervention remain undisclosed. Furthermore, details regarding how the robots maintained power throughout the extensive shift—whether through battery swaps, tethers, or scheduled charging intervals—were not provided. These details are critical for a comprehensive assessment of true autonomy, especially given past instances where robot demonstrations have later revealed elements of human remote operation or unexpected issues, as seen with certain Tesla Optimus robot presentations. Nevertheless, Xiaomi's prior transparency in sharing success rates and cycle times for earlier tests offers a more detailed insight than many competitors.

An intriguing aspect of Xiaomi's presentation was the appearance of a humanoid upper body mounted on a wheeled base, assisting the bipedal robots in a segment labeled "Dropped Material: Multi-Robot Collaboration." This particular design choice highlights a pragmatic approach to robotic application in factory environments. Factory floors, typically flat and optimized for wheeled transport, represent an ideal setting for such configurations. Wheeled robots offer distinct advantages, including superior energy efficiency, enhanced stability for carrying loads, greater capacity for larger batteries to extend operational times, and a reduced need for expensive actuators compared to their legged counterparts. This suggests that while humanoid forms may be suitable for varied terrains like homes with stairs, a hybrid approach leveraging wheels for factory logistics could offer significant practical benefits, aligning robotic capabilities with the existing industrial infrastructure designed around carts and forklifts.

Xiaomi's recent demonstration of its humanoid robots operating for extended periods in an EV factory represents a notable milestone in robotic industrial application. While the displayed autonomy and error-correction capabilities are genuinely impressive, a more detailed disclosure of performance metrics, such as success rates and human intervention frequency, would provide a clearer picture of their true capabilities. The strategic incorporation of wheeled robotic platforms alongside bipedal designs also underscores a pragmatic understanding of optimizing robotic form factors for specific operational environments, suggesting a thoughtful evolution in industrial automation.

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