Engineering:Battery swapping

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Short description: Systems for exchanging flat batteries
A Nio battery swap station at a carpark in Beijing.

Battery swapping or battery switching is an electric vehicle technology that allows battery electric vehicles to quickly exchange a discharged battery pack for a fully charged new one, as an alternative to recharging the vehicle via a charging station. Battery swapping is common in electric forklift applications.[1]

Currently, Taiwanese electric scooter manufacturer Gogoro operates the largest battery swap network for electric mopeds, with nearly 11,000 GoStations in Taiwan, and 250 in Mainland China.[2][3][4] Chinese luxury carmaker Nio is the only major operator of automobile battery swapping stations for the public. The company has built around 2250 battery swap stations around China and Europe, and the process takes three minutes from start to finish.[5][6] Previously, Renault and Tesla attempted to make their vehicles capable of swapping batteries.

History

The SunRay and Caballito on their way to Micronesia for a conference on global warming.

The concept of an exchangeable battery service was proposed as early as 1896. It was first offered between 1910 and 1924, by Hartford Electric Light Company, through the GeVeCo battery service, serving electric trucks. The vehicle owner purchased the vehicle, without a battery, from General Vehicle Company (GeVeCo), part-owned by General Electric.[7] The power was purchased from Hartford Electric in the form of an exchangeable battery. Both vehicles and batteries were designed to facilitate a fast exchange. The owner paid a variable per-mile charge and a monthly service fee to cover truck maintenance and storage. These vehicles covered more than 6 million miles.

Beginning in 1917 and lasting a few years, a similar service operated in Chicago for owners of Milburn Electric cars.[8]

In 1993, Suntera developed a two-seat 3-wheel electric vehicle called the SUNRAY, which came with a battery cartridge that swapped out in minutes at a battery-swap station.[9] In 1995, Suntera added a motor scooter.[10] The company was later renamed Personal Electric Transports[11](P.E.T.). After 2000 the company developed an electric bus. In 2004, the company's 3-wheel stand-up EV won 1st place at the 5-day long American Tour de Sol electric vehicle race,[12] before closing in 2006.

A rapid battery replacement system was implemented to service 50 electric buses at the 2008 Summer Olympics.[13]

Some smaller schemes have attempted to popularize battery swapping with individual cities. Zotye Auto built a fleet 15 of M300 EV hatchbacks for a taxi fleet in Hangzhou, China. In 2011, one of these vehicles caught on fire after the battery pack in the trunk caught fire. An investigation later found that battery in question, as well as the connecting electronics in the truck, had become worn out form repeated loading and unloading of charged battery packs. The electric scheme was halted following the incident.[14]

  • A Zotye M300 EV having its batteries replaced.

  • The batteries of a Zotye M300 EV being charged before being swapped.

  • Wear and tear in the battery compartment of a Zotye M300 EV, located in the trunk.

The Better Place network was the first modern attempt at making the battery switching model mainstream. The Renault Fluence Z.E. was the first car enabled to adopt the approach and was offered in several countries, including those where no battery swap stations had been planned.[15]

A Better Place battery switching station near Dvir, Israel.

Better Place launched its first battery-swapping station in Israel, in Kiryat Ekron, near Rehovot in March 2011. The exchange process took five minutes.[16][17] Subsequent battery swap stations were built in Denmark . Better Place filed for bankruptcy in Israel in May 2013.[18][19]

In 2012, Tesla started building a proprietary fast-charging Tesla Supercharger network.[20] A year later, in June 2013, Tesla announced its plan to offer battery swapping. Tesla showed that a battery swap with the Model S took just over 90 seconds.[21][22] Elon Musk said the service would be offered at around US$60 to US$80 at June 2013 prices. The vehicle purchase included one battery pack. After a swap, the owner could later return and receive their battery pack fully charged. A second option would be to keep the swapped battery and receive/pay the difference in value between the original and the replacement. Pricing was not announced.[21] In 2015 the company abandoned its sole swapping station, built at Harris Ranch, for lack of customer interest.[23]

Other battery swapping service providers include Gogoro, Delta Electronics, BattSwap,[citation needed], Voltia, and Swap & Go.[24][25][26] By early 2022, Nio had built more than 850 swap stations in China,[27] up from 131 in 2020.[28] A station can cost $772,000 in China. A 90 kWh battery is charged at 60 kW and can be swapped in 6 minutes.[27] China operates cement trucks where the heavy battery is swapped.[29] A battery swap system with a 2 MWh battery in each 20-foot (6.1 m) shipping container powering a converted canal barge began operating in the Netherlands in 2021.[30][31]

Trial run of EV battery swapping in Singapore

Singapore started experimenting with EV battery swapping from 2022. In 2022, the country's land transport authority gave Gogoro the go-ahead to conduct a trial run of deploying swappable EV batteries - specifically for food delivery service providers. In 2023, Mo Batteries partnered with SingPost to provide battery replacement support for two electric bikes used by SingPost.[32]

Gallery

  • Battery Swap Station for light commercial vehicles in Slovakia

    Battery Swap Station for light commercial vehicles in Slovakia.

  • loading a Voltia electric LKW battery pack

    Loading a Voltia electric LKW battery pack.

  • A shuttered Better Place station in Denmark.

    A shuttered Better Place batter swap station in Funen, Denmark.

Criticism

Battery swapping solutions were criticized as proprietary. By creating a monopoly regarding the ownership of the batteries and the patent-protected technologies the companies split up the market and decrease the chances of wider usage of battery swapping.[33] BMW termed battery swapping as a waste of time.[32]

References

  1. ↑ "Industrial electrical vehicle stalwarts head out on the road". http://us.simplenewz.com/industrial-electrical-vehicle-stalwarts-head-out-on-the-road--2009-03-08--ars-technica--30.672.7. 
  2. ↑ "Swappable batteries for electric vans and lorries make sense". The Economist. ISSN 0013-0613. https://www.economist.com/science-and-technology/2022/08/24/swappable-batteries-for-electric-vans-and-lorries-make-sense. 
  3. ↑ Shu, Catherine (2021-10-11). "Gogoro launches battery swapping stations in China" (in en-US). https://techcrunch.com/2021/10/10/gogoro-launches-battery-swapping-stations-in-china/. 
  4. ↑ Toll, Micah (2021-08-30). "Gogoro named global leader in light electric vehicle battery swapping, passes 200 million swaps" (in en-US). https://electrek.co/2021/08/30/gogoro-named-global-leader-in-light-electric-vehicle-battery-swapping-passes-200-million-swaps/. 
  5. ↑ "NIO Power". https://www.nio.com/nio-power. 
  6. ↑ "Nio's battery swapping tech in Norway". Deutsche Welle. 8 June 2022. https://www.dw.com/en/nios-battery-swapping-tech-in-norway/av-62064987. 
  7. ↑ Cassidy, William B. (30 September 2013). "Trucking's Eclipsed Electric Age". The Lost Annals of Transport. https://lostannalsoftransport.wordpress.com/tag/geveco/. 
  8. ↑ Kirsch, David A. (2000). The Electric Vehicle and the Burden of History. Rutgers University Press. pp. 153–162. ISBN 0-8135-2809-7. https://archive.org/details/electricvehicleb0000kirs. 
  9. ↑ "Technology: Something New Under the Hawaiian Sun: a Solar Car: Japan will import up to 2,000 SunRay zero-emission vehicles. Assembly will take place at a former sugar plantation town.". Los Angeles Times. 5 April 1995. https://www.latimes.com/archives/la-xpm-1995-04-05-mn-51138-story.html. 
  10. ↑ "Budd Steinhilber, FIDSA". Industrial Designers Society of America - IDSA. 10 May 2010. https://www.idsa.org/members/budd-steinhilber-fidsa. 
  11. ↑ "Honolulu Star-Bulletin Features". http://archives.starbulletin.com/98/04/10/features/index.html. 
  12. ↑ "The Tour de Sol Reports, 2004". http://www.autoauditorium.com/TdS_Reports_2004/. 
  13. ↑ "BIT Attends the Delivery Ceremony of the 2008 Olympic Games -Alternative Fuel Vehicles". Beijing Institute of Technology. 18 July 2008. http://english.bit.edu.cn/NewsEvents/BITNews/16059.htm. 
  14. ↑ "Battery Pack Defects Blamed for Zotye EV Fire". China Auto Web. 2011-06-13. http://chinaautoweb.com/2011/06/battery-pack-defects-blamed-for-zotye-ev-fire/. 
  15. ↑ "Better Place. The Renault Fluence ZE". Better Place. 22 October 2010. http://www.betterplace.com/the-company-multimedia-photos/index/id/72157623854339020. 
  16. ↑ Udasin, Sharon (24 March 2011). "Better Place launches 1st Israeli battery-switching station". The Jerusalem Post. http://www.jpost.com/Sci-Tech/Article.aspx?id=213562. 
  17. ↑ Motavalli, Jim (29 July 2011). "Plug-and-Play Batteries: Trying Out a Quick-Swap Station for E.V.'s". The New York Times. https://www.nytimes.com/2011/07/31/automobiles/a-plug-and-play-plan-for-ev-batteries.html?_r=0. 
  18. ↑ Kershner, Isabel (26 May 2013). "Israeli Venture Meant to Serve Electric Cars Is Ending Its Run". The New York Times. https://www.nytimes.com/2013/05/27/business/global/israeli-electric-car-company-files-for-liquidation.html?_r=0. 
  19. ↑ Elis, Niv (26 May 2013). "Death of Better Place: Electric car co. to dissolve". The Jerusalem Post. http://www.jpost.com/Business/Business-News/Death-of-Better-Place-Electric-car-co-to-dissolve-314380. 
  20. ↑ "Tesla Motors Launches Revolutionary Supercharger Enabling Convenient Long Distance Driving | Tesla Investor Relations" (in en). Sep 24, 2012. https://ir.tesla.com/press-release/tesla-motors-launches-revolutionary-supercharger-enabling. [self-published source]
  21. ↑ 21.0 21.1 Rogowsky, Mark (21 June 2013). "Tesla 90-Second Battery Swap Tech Coming This Year". Forbes. https://www.forbes.com/sites/markrogowsky/2013/06/21/tesla-90-second-battery-swap-tech-coming-this-year/. 
  22. ↑ "Tesla Motors demonstrates battery swap in the Model S". Green Car Congress. 21 June 2013. http://www.greencarcongress.com/2013/06/model2-20130621.html. 
  23. ↑ Sorokanich, Robert (10 June 2015). "Musk: Tesla "unlikely" to pursue battery swapping stations". Road & Track. http://www.roadandtrack.com/new-cars/car-technology/news/a25872/elon-musk-tesla-battery-swap/. Retrieved 26 October 2015. 
  24. ↑ Voltia Group (2 December 2015), Companies successfully using the GreenWay Service, https://www.youtube.com/watch?v=QsX_yib8_A0, retrieved 25 April 2017 
  25. ↑ "Electric-Car Battery Swapping, Slovakian Style (Well, Vans, Anyway)" (in en). Green Car Reports. http://www.greencarreports.com/news/1083945_electric-car-battery-swapping-slovakian-style-well-vans-anyway. 
  26. ↑ "PTT's head discusses future tactics". Bangkok Post. https://www.bangkokpost.com/business/1980283/ptts-head-discusses-future-tactics. 
  27. ↑ 27.0 27.1 "Could battery swapping replace EV charging?" (in en). Autocar. 4 April 2022. https://www.autocar.co.uk/car-news/business-tech%2C-development-and-manufacturing/could-battery-swapping-replace-ev-charging. 
  28. ↑ Hanley, Steve (31 May 2020). "NIO Completes More Than 500,000 Battery Swaps". CleanTechnica. https://cleantechnica.com/2020/05/31/nio-completes-more-than-500000-battery-swaps/. 
  29. ↑ Doll, Scooter (15 March 2022). "Geely is rolling out swap stations for heavy duty EVs like cement mixers, housing three-ton battery packs". Electrek. https://electrek.co/2022/03/15/geely-is-rolling-out-swap-stations-for-heavy-duty-evs-like-cement-mixers-housing-three-ton-battery-packs/. 
  30. ↑ "First emission-free inland shipping vessel on energy containers in service" (in en). Port of Rotterdam. 6 September 2021. https://www.portofrotterdam.com/en/news-and-press-releases/first-emission-free-inland-shipping-vessel-on-energy-containers-in-service. 
  31. ↑ Berrill, Paul (7 September 2021). "Heineken refreshes the batteries other shippers can't reach". TradeWinds. https://www.tradewindsnews.com/technology/heineken-refreshes-the-batteries-other-shippers-can-t-reach/2-1-1063518. 
  32. ↑ 32.0 32.1 "Can Swappable Batteries For EVs Work? Singapore’s Mo Batteries Is Hopeful" (in en-GB). 2023-02-06. https://www.theglobaleconomics.com/2023/02/06/singapore-swappable-battery/. 
  33. ↑ "Tesla battery swap a dead end". 21 June 2013. https://www.cnet.com/roadshow/news/tesla-battery-swap-a-dead-end/. 



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