Core Insights - Xiaomi's Yu7 electric vehicle emphasizes battery safety with multiple protective measures, including a 1500MPa anti-scratch beam and a bulletproof coating to absorb impact energy [1][3] Battery Safety Features - The Yu7 features a 1500MPa anti-scratch beam at the front of the battery pack to push away obstacles, ensuring the battery pack is not directly impacted [1] - A bulletproof coating similar to that used in the Xiaomi SU7 Ultra battery pack is applied to the bottom of the battery, effectively reducing damage from scrapes [1] Battery Positioning and Ventilation - Electric vehicle batteries are typically located under the chassis and behind the rear seats, requiring ventilation holes in the battery box to prevent gas accumulation [3] Types of Electric Vehicle Batteries - Lead-acid batteries: Low cost and good low-temperature performance, but low energy density and short lifespan [4] - Nickel-hydride batteries: Cost-effective and durable, but have low energy density and environmental concerns due to heavy metals [4] - Manganese lithium batteries: Low cost and good safety, but unstable and with a shorter lifespan [4] - Ternary lithium batteries: High energy density and long cycle life, making them the mainstream choice for electric vehicles [5] Product Launch Announcement - Xiaomi's Yu7 is set to launch at the end of June, as announced by Lei Jun on social media [5]

Group 1 - The core point of the news is that Changshu Guorui Technology Co., Ltd. has applied for a patent for a "water-cooled film capacitor for automobiles," indicating its focus on the electric vehicle sector [1] - The patent application was filed on February 2025, and the publication number is CN119964981A, highlighting the company's ongoing innovation efforts in the field of new energy vehicles [1] - The patented technology includes features such as a water-cooling plate that prevents heat conduction between the layered busbar and the core group, ensuring stable operation within a safe temperature range [1] Group 2 - Changshu Guorui Technology Co., Ltd. was established in 1993 and is located in Suzhou, primarily engaged in research and experimental development [2] - The company has a registered capital of 2,942.3448 million RMB and has made investments in 9 other enterprises [2] - The company has participated in 215 bidding projects and holds 111 patents, along with 5 trademark registrations and 19 administrative licenses [2]