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Nissan Leaf battery cells put through torture test, live to charge again

One minor chink in the armor of the Tesla Model S is that a small number have caught fire, once their battery packs were penetrated. Nissan Leaf drivers, however, might just be able to weather such an event without an ensuing CarBQ. Our evidence for such a claim? A video that has surfaced of cells from a Leaf pack undergoing a battery of torture tests (pun somewhat-ashamedly intended). Shared by folks at the Hybrid Auto Center in Las Vegas – who offer for sale, among other things, used Leaf lithium battery modules – the footage shows salvaged cells being brutally assaulted with a screwdriver, and later, a propane torch. Granted, these tests are not the same thing as flinging a piece of metal into a working pack at 70 miles per hour, but they do claim to show that a puncture does not always equal a fire. Oh, and don't try this at home. When pierced through by the flat head tool, there is no explosion or eruption of flame. Instead, a rather modest wisp of smoke shyly emerges as the electrolyte next to the shorted area of the fully-charged foil pouch reacts with the influx of oxygen. Again and again, the blade descends, until the cell is riddled with holes. No fire. Amazingly, when connected with a voltmeter afterward there are still plenty of signs of life, and when it is charged and discharged (off-camera), it reportedly suffers only a slight loss of charge capacity. The video goes on to show another cell attacked with open flame with similar results. While the demonstration is, perhaps, somewhat crude, the message it sends is loud and clear: lithium batteries can be safe and rather robust, despite some freak accidents. Scroll below to watch the short presentation for yourself. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Nissan tests fully autonomous ProPilot tech on Tokyo roads

We've been hearing a lot about Nissan's ProPilot technology lately. ProPilot Assist is coming to the U.S. in the Rogue, as well as the Leaf EV. For this generation, the system allows for Level 2 autonomous driving, which is essentially adaptive cruise control paired with a lane-keeping function. Later, Nissan will add ProPilot Park, which allows the car to park itself. The next generation of ProPilot, though, allows for Level 4 fully autonomous driving, even on urban streets, beginning in 2020. Nissan has announced that it has already tested it on public roads during a demonstration in Tokyo. The prototype test vehicle is an Infiniti Q50. It's fitted with 12 cameras, 12 sonar sensors, nine millimeter-wave radar sensors, six laser scanners and high-definition mapping, all run through artificial intelligence. With this combination of hardware and software, the Q50 prototype can navigate across town or on the highway, automating the entire driving duties from the moment the passenger selects a destination until their arrival. It can tackle busy intersections and respond to obstacles in the road, providing what Nissan claims is a "human-like driving feel that gives passengers peace of mind." View 29 Photos "Our next-generation ProPilot prototype showcases technology that will be available for real-world use from 2020," said Takao Asami, Nissan's senior VP of research and advanced engineering. "Today's demonstration is another example of our successful work toward creating an autonomous driving future for all." Autoblog has already had the chance to sample the current generation of ProPilot Assist, in both the Leaf and the Rogue. While there has been a little bit of disagreement in our office, most of us have found the technology to work fairly well, and are looking forward to trying the next generation of semi-autonomous and autonomous systems. As the tech advances, it will only get smoother and smarter. Related Video: News Source: Nissan Green Infiniti Nissan Technology Emerging Technologies Autonomous Vehicles Electric Videos Sedan nissan propilot propilot

Nissan board meets but doesn't pick a replacement for Ghosn

YOKOHAMA, Japan — Nissan's board met Monday but failed to pick a new chairman to replace Carlos Ghosn, who was arrested last month on charges of violating financial regulations, saying more discussion was needed. Nissan Motor Co. Chief Executive Hiroto Saikawa told reporters that the board approved a special committee of outsiders to strengthen governance at the company. A date for the selection of a chairman was not decided. "We plan to be cautious in this process, and I do not plan to rush this," Saikawa said. The recommendations for beefing up governance are due in March, and Saikawa said he was willing to wait until then to choose a chairman. The board meeting came amid an unfolding scandal that threatens the Japanese automaker's two-decade alliance with Renault SA of France and its global brand, and highlights shoddy governance at the manufacturer of the Leaf electric car. Related: Carlos Ghosn coup theory grows: Did Nissan set him up for a fall? Ghosn and another board member Greg Kelly were formally charged last week with falsifying financial reports in underreporting Ghosn's income by about 5 billion yen ($44 million) from 2011 to 2015. They were arrested Nov. 19 by Tokyo prosecutors and remain in detention. A source close to Ghosn's family says Ghosn is innocent, as the alleged income was never decided upon or paid. Aubrey Harwell, the U.S. lawyer for Kelly, an American, says he is innocent, and that Nissan insiders and outside experts had advised him that the financial reporting was proper. The chairman must be selected from among the board members. Three outside board members — race-car driver Keiko Ihara; Masakazu Toyoda, an academic; and Jean-Baptiste Duzan, formerly of Renault — are making that decision. The special committee for governance includes the three outside board members and four other outsiders, including former judge Seiichiro Nishioka. One candidate for chairman is Saikawa, who was hand-picked by Ghosn to succeed him as chief executive. He has denounced Ghosn and Kelly as the "masterminds" in a scheme to falsify income reports and abuse company money and assets. Renault has kept Ghosn as chief executive and chairman, saying its investigation has not found wrongdoing in the awarding of Ghosn's compensation. Saikawa called on directors at Renault to heed its reasons for sacking Ghosn, but Renault's interim chairman Philippe Lagayette said on Friday that its board had not considered a replacement.