[spgv]

Based on what's available in public domain

Originally Posted by uditanshh

Apart from an occasional scoop from Ola Electric CEO Bhavish Agrawal, only one Indian company has gained headlines for Solid State Cell or Batteries.



https://businessindia.co/magazine/ra...solid-progress

Ola is yet to develop Solid State Batteries.

Originally Posted by uditanshh

[b]

At the Dhirubhai Ambani Green Energy Giga Complex spanning 5,000 acres in Jamnagar, the company has already set up a 50 MWh per year capacity pilot line for manufacturing lithium-ion battery cells, through its subsidiary Lithium Werks that can be scaled up for commercial-scale production.

Reliance does not manufacture batteries or Cells at the Dhirubhai Ambani Green Energy Giga Complex, Jamnagar. They do intend do that in coming years

[uditanshh]

Originally Posted by spgv

Based on what's available in public domain
Ola is yet to develop Solid State Batteries.

Reliance does not manufacture batteries or Cells at the Dhirubhai Ambani Green Energy Giga Complex, Jamnagar. They do intend do that in coming years

I posted that there is occasional scoop is there from Bhavish Agrawal. He does claim that Ola Electric is working on SSBs but the technology is still in its early stages. As far as other global players are concerned,

• QuantumScape has attracted investments from VW and others. Plans to deliver prototype batteries by 2024-2025. The company aims mass production of its SSBs by 2027-2028.
  
• US based Solid Power have partnered with BMW and Ford and they plan to have commercial batteries ready by 2026.
  
• Toyota plans to introduce these SSBs first in hybrid vehicles around 2027-2028 before rolling them out in their portfolio.
  
• CATL is aiming to produce pure solid-state batteries in small quantities for the first time in 2027. A company representative describes large-scale production as "still challenging".

Since all these companies are still figuring out challenges, I would cut Ola Electric some slack and hope for the best.

As far as the Dhirubhai Ambani Gigacomplex is concerned, it is also working on the commercialisation of its sodium-ion battery technology and has plans to industrialize sodium-ion cell production at a megawatt level by next year. Reliance Industries looks to leverage expertise from its subsidiaries Lithium Werks and Faradion to drive the fully integrated battery Gigafactory. It boasts a team of nearly 150 technologies to deliver next-generation batteries and storage solutions with a focus on safety, stability and reduced life cycle costs.

[Ravi Parwan]

Originally Posted by uditanshh

This Raj Shamani video claims that patents relating to Na-ion batteries are owned by just 2 companies in the whole world, one of them being Faradion, but I can't verify that claim as of yet.

There are a lot of companies active in developing Sodium Ion battery technology. This video is almost 2 years old. In 2023, NorthVolt came out with news about breaking new frontiers in energy density in Sodium Ion battery technology space. There are numerous companies investing in Sodium Ion, precisely to move away from the limiting factors of Lithium. If any of them make breakthroughs in commercialization of the technology, batteries will become affordable and safer at the same time.

Originally Posted by longhorn

I don't understand why the govt. is promoting LFP / sodium ion tech. Solid state batteries are the future if you want to extract a meaningful range from an EV. All R&D money should be spent in this direction.

That is the nature of the beast, you invest into multiple technologies till one emerges on top. Anyone remember DVD versus bluray and CDMA versus GSM. All 4 are dead/ irrelevant now.

Originally Posted by longhorn

1000 kms true range and / or sub 10 minute full charging capability is when EV's will truly go mainstream.
...The govt should standardize the charging socket across brands akin to USB - C charger such that any brand of vehicle can be charged at any charging point. I don't see any effort in this direction as of now.

1000 Km range is not needed. how many ICE vehicles give you that range? The need of the hour is ease of recharging an EV.

whole heartedly agree with your point about the need for a wide spread charging network. BTW, the standardization is already done. https://e-amrit.niti.gov.in/bis-stan...ix%20sections.

Originally Posted by Sabyasworld

EVs are only a small use case for the battery industry. The govt have a high focus on renewable energy sources (solar, wind). For that, grid scale batteries are needed for storing the generated energy and ensure continuous availability. Another use case is of home energy storage solution. Sodium based batteries are best suited for these situations due to their expected cheap manufacturing cost and easy raw material availability.

Infact, GoI has mandated every new power project capacity needs to have 5% of its capacity installed as Battery Energy Storage System. This is the reason why everybody has jumped onto the energy storage bandwagon.

Originally Posted by volkman10

Reliance Infra (part of Anil Ambani's group) weighs EV push, taps ex-BYD executive.

Interesting to see both the brothers competing again. Let's see which one comes out on top.

[DIY410]

Ola has invested in Storedot which is a Israeli battery firm.
Currently Storedot has a battery with 4.2C charge rate, translating to 10 to 80% in 10min and has a life of 2000 cycles at which point it will still have 80% capacity retention.

While the charge speed is behind CATL Qilin advertised 5C speed, CATL has rounded of the charge speed to 5C. In practice it takes 10 min 36 sec to charge from 10 to 80% and also the energy density of CATL Qilin battery is 255Wh/kg, while Storedot is 330Wh/kg. Store dot also has the edge in cycle life.

Other investors in Storedot are Daimler, Volvo, Polestar, VinFast, Ola Electric, EVE Energy, TDK, BP Ventures, and Samsung Ventures.

But as per Chinese media, CATL later this year will launch a 6C charge capable battery.

Polestar prototype with Storedot battery.

https://www.youtube.com/watch?v=T2U4yUAzA_w