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This page has been created to keep track of advancements in the battery industry, and provide a list of companies working on them, in the hopes that we are able to get some next-generation battery cells for future cars.



Names to follow:

  • John B Goodenough (researcher at University of Texas at Austin)
    • Helped invent RAM
    • Invented Li-ion batteries
    • Working on Solid State Batteries
    •  
  • Maria Helena Braga
    • Researcher with John B Goodenough
  • Jeff Dahn
    • Researching with Tesla
    • Researcher at Dalhousie


Lithium - Metal Batteries

Solid Energy Systems (http://www.solidenergysystems.com/)

  • A Spin-off from an MIT lab, this company has commercialized a lithium-metal battery, claiming 2x the energy density of current Li-ion cells. According to their timeline, they plan to produce cells for EVs in 2020.
  • Apollo EV battery: http://www.solidenergysystems.com/apollo/
  • As far as I can tell, these batteries are not just being talked about, they are in production and actually making and using them.
  • They have a partnership with what was A123 systems.
  • 450Wh/kg batteries currently being made.



Lithium-Ion Silicon Anode

https://enovix.com/2019/09/09/ev-battery-innovation/

Enovix seems to be making cells, they claim 325Wh/kg is possible with their 3D stack technology, using a silicon anode and a typical NMC cathode.


Lithium-Sulfur Batteries

https://www.theengineer.co.uk/lithium-sulphur-battery/

https://www.techexplorist.com/new-lithium-sulphur-battery-makes-cell-phone-work-five-continuous-days/29055/

https://phys.org/news/2019-10-scientists-lithium-sulfur-battery-production-future.html

https://www.cnn.com/2020/01/06/tech/lithium-sulfur-battery-scli-intl-scn/index.html

Seems promising, 4x extra energy density given in some presentations, I have only seen these in the news sites. No official publications that I have seen yet, so probably a long way off from being commercialized. Most recent breakthrough came from Monash University (Melbourne), however multiple barriers to mass production such as rapid degradation. Previous attempts to overtake lithium-ion batteries since the major breakthrough in 2009 have failed, so possibly another 10 years if the technology proves to survive long periods of time. 

Solid State Batteries 

 Some info from here:

https://spectrum.ieee.org/energywise/energy/environment/a-glass-battery-that-keeps-getting-better

Ilika


Solid Power


Toyota (Claimed to be announcing something to coincide with the 2020 Olympics?)


Zinc-Air

  • Large scale grid storage


Flow Batteries

  • Large scale grid storage
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