La berlina mette sul piatto 706 km di autonomia (ma su ciclo NEDC) con un pacco batterie da 80,87 kWh e prestazioni di tutto rispetto
Era il 2014 quando diversi investitori cinesi di forte peso, come Alibaba o Xiaomi, decisero di dare vita alla Xiaopeng Motors. Il proprio obiettivo? Specializzarsi sull'auto elettrica. Tra i modelli più immediati, ecco la berlina Xpeng P7.
Punta di diamante di questa berlina? I chilometri di autonomia, 706. Peccato però che siano stati calcolati con ciclo NEDC dalla Casa Madre, un dato dunque, oramai non più così veritiero considerando lo standard di rilevamento. Più verosimilmente, la Xpeng P7 avrà circa 550 km di autonomia su ciclo WLTP. Quel che conta è che sarà l'autoveicolo elettrico fabbricato in Cina con l'autonomia maggiore. Verrà immessa sul mercato nel secondo trimestre 2020.
La P7 sarà offerta nelle configurazioni a trazione posteriore ed integrale, con quest'ultima che ovviamente sarà dotata di maggiori prestazioni grazie al secondo motore posto sull'asse anteriore da 120 kW, in aggiunta al posteriore da 196 kW. Prestazioni? 0-100 km/h in 6,7 secondi per la base, 4,3 per la trazione integrale.
Sono questi valori che la possono portare a confrontarsi con l'efficienza di Tesla, almeno da un punto di vista nominale. Già, perché la Model 3 ha circa 660 chilometri di autonomia sul ciclo WLTP. C'è poi da considerare come la batteria della Tesla sia di 75 kWh mentre quella della P7 arriva a 80,87 kWh.
Riuscirà la berlina cinese, un domani, a tenere il confronto con quella di Elon Musk? Non resta che attendere pochi mesi.
Xpeng P7 boasts 706km NEDC range, verified by MIIT of China
March 6, 2020 - The Xpeng P7 intelligent sports sedan’s driving range was verified at NEDC 706km, in an announcement by the Ministry of Industry and Information Technology of China (MIIT) today. (link: http://www.miit-eidc.org.cn/art/2020/3/6/art_100_4284.html)
The MIIT released its 329th batch of vehicle manufacturer and product announcements and its third recommendation catalog for new energy vehicles today. The Xpeng P7 sports sedan was verified to have a NEDC range of 706km. It is the longest range among electric vehicles available in China.
The model listed in the MIIT announcement is the RWD version, with 196kW maximum power, 390N·m peak torque and 12.5kWh/100km power consumption.
The Xpeng P7 is equipped with the latest generation of the world's leading prismatic battery pack, with a pack capacity of 80.87kWh and an energy density of 170Wh/kg. It integrates E-motor, transmission and control system in its high-performance 3-in-1 electric drive system. Compared with the traditional distributed electric drive layout, this gives higher efficiency, a more compact structure, lighter weight, more uniform interior layout, and greater reliability. The volume of the entire electric drive system is only 18.6L, and power density reaches the industry-leading 2kW/kg level. The maximum efficiency of the motor system is > 95%, with the NEDC efficiency greater than 85.5%, leading to longer battery life and stronger performance.
Wind resistance coefficient is also critical to the cruising range. For the P7, every 0.01 decrease in wind resistance coefficient increases NEDC driving range by about 8km. The P7 has its own streamlined profile unique to its coupe format, with a duck-back extension, a semi-hidden wiper, low-resistance exterior mirrors, and low-resistance wheel rim covers. The air grille and near-flat low wind resistance chassis have been refined to reach an ultra-low wind resistance coefficient of Cd0.236, after more than 30 optimization schemes implemented.
The Xpeng P7 uses a front double wishbone and a rear five-link suspension, with unsprung mass reduced by optimization of suspension material and layout. The upper and lower control arms, steering knuckles, and damper forks of the P7 are made of aluminum alloy, which significantly reduces weight compared to traditional cast-iron materials. The rear suspension swing arms are made of stamped parts, superior in strength and weight. The iBooster intelligent braking assist system provides the Xpeng P7 with best pedal feel, more accurate braking force, and longer cruising range - a prerequisite for achieving higher levels of automatic driving assistance in the future.
The Xpeng P7 will be officially launched and delivered to the Chinese market in 2Q 2020.
About Xpeng Motors
Xpeng Motors is a leading Chinese electric vehicle company that designs and manufactures automobiles that are seamlessly integrated with the Internet and utilize the latest advances in artificial intelligence. The company's initial backers include its Chairman & CEO, Mr. He Xiaopeng, who’s also the co-founder of UCWeb Inc. and a former Alibaba executive. Established in 2014, Xpeng Motors has a senior management team with diverse background, including Co-founders Henry Xia and He Tao, both former senior executives at Guangzhou Auto with expertise in innovative automotive technology and R&D, and Vice Chairman & President Brian Gu, former Chairman of Asia Pacific Investment Banking at J.P. Morgan. It has received funding from prominent Chinese and international investors including Alibaba Group, Xiaomi Corporation, IDG Capital, Morningside Venture Capital, GGV Capital and Primavera Capital. The company launched its first production model, the G3 SUV, in Dec 2018. Xpeng’s 2nd production model, the P7 electric sports sedan, premiered at the Shanghai Auto Show in April 2019, and will be delivered to Chinese customers in Q2 2020. Xpeng Motors is headquartered in Guangzhou, China with offices in Beijing, Shanghai, Silicon Valley and San Diego in the U.S. and manufacture centers in Zhengzhou and Zhaoqing. For more information, please visit the official website at: https://en.xiaopeng.com/
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