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Mistress Rose

Joined: 21 Jul 2011
Posts: 16534

Posted: Mon Jun 23, 25 3:52 pm Post subject:
I expect that like computers, it will sort itself out. In the early days of desk top computers, one make of computer wouldn't 'talk' to printers, or anything else belonging to another make. Now virtually all are interchangeable.

jema
Downsizer Moderator

Joined: 28 Oct 2004
Posts: 28364
Location: escaped from Swindon

Posted: Sun Jun 29, 25 2:12 pm Post subject:

Battery claims
The following link is to the complete list of claims I have been compiling.

https://martindavidwalker.blogspot.com/2024/09/battery-claims.html

The new claims in the last week are as follows.
June 27th 2025, GM working on three new battery technologies
GM are working on Solid-state state, Sodium and Lithium Manganese Rich batteries. All of that has been reported previously but it does emphasise that not only do they recognise the future is in batteries but also the importance of vertical integration.
I'm happy to be corrected but 5 years ago it felt to me like legacy auto were having to scrabble around for batteries probably paying through the nose for the worst batteries.

https://www.arenaev.com/general_motors_is_working_on_three_new_battery_technologies_solidstate_is_one_of_them-news-4852.php
June 27th 2025, Vanadium Redox Flow batteries for grid storage
Less an claim and more an â€œinformationalâ€ that there are lots of alternatives to Lithium when it comes to grid storage. All batteries have specific properties and the super power of Vanadium Redox Flow batteries is long term storage.
https://www.ft.com/content/babd683d-5a74-4076-82a4-9db304f45f73
June 27th 2025, longer life Zinc ion batteries
Claims of a 5000 cycle life and hence a contender for grid storage.

https://www.nature.com/articles/s41467-025-60558-y

June 24th 2025, Quantumscape speeds up solid-state production
These are lithium metal solid-state batteries entering an advanced sampling phase. Based on earlier press releases these would be 300wh/kg energy density.

https://www.businesswire.com/news/home/20250624801952/en/QuantumScape-Achieves-Major-Milestone-Cobra-Separator-Process-Enters-Baseline-Production

dpack

Joined: 02 Jul 2005
Posts: 44463
Location: yes

Posted: Sun Jun 29, 25 6:07 pm Post subject:
at least a few of the options will become useful

jema
Downsizer Moderator

Joined: 28 Oct 2004
Posts: 28364
Location: escaped from Swindon

Posted: Sun Jul 06, 25 1:41 pm Post subject:

Battery claims
The following link is to the complete list of claims I have been compiling.

https://martindavidwalker.blogspot.com/2024/09/battery-claims.html

The new claims in the last week are as follows.
July 5th 2025, Chery backed company samples solid-state batteries
This again is a â€œwe have a production lineâ€ claim with promises of progressing from 300wh/kg to 400wh/kg and then to 500wh/kg. Assuming accessible costs any of these numbers would be game changing.
A note on solid-state costs. I don't think it serves the interests of companies to not suggest initial prices will be high. Would CATL really want to say that in a couple of years you can have a 80kwh solid-state battery for the price of a 50kwh lithium ion battery now? They are not going to say that! But obviously raw materials costs would have likely reduced.

https://carnewschina.com/2025/07/04/first-batch-of-solid-state-batteries-from-chery-backed-company-produced-in-china/

jema
Downsizer Moderator

Joined: 28 Oct 2004
Posts: 28364
Location: escaped from Swindon

Posted: Sun Jul 06, 25 1:41 pm Post subject:

Battery claims
The following link is to the complete list of claims I have been compiling.

https://martindavidwalker.blogspot.com/2024/09/battery-claims.html

The new claims in the last week are as follows.
July 5th 2025, Chery backed company samples solid-state batteries
This again is a â€œwe have a production lineâ€ claim with promises of progressing from 300wh/kg to 400wh/kg and then to 500wh/kg. Assuming accessible costs any of these numbers would be game changing.
A note on solid-state costs. I don't think it serves the interests of companies to not suggest initial prices will be high. Would CATL really want to say that in a couple of years you can have a 80kwh solid-state battery for the price of a 50kwh lithium ion battery now? They are not going to say that! But obviously raw materials costs would have likely reduced.

https://carnewschina.com/2025/07/04/first-batch-of-solid-state-batteries-from-chery-backed-company-produced-in-china/

jema
Downsizer Moderator

Joined: 28 Oct 2004
Posts: 28364
Location: escaped from Swindon

Posted: Sun Jul 27, 25 3:41 pm Post subject:

Battery claims
The following link is to the complete list of claims I have been compiling.

https://martindavidwalker.blogspot.com/2024/09/battery-claims.html

The new claims in the last week are as follows.
July 23rd 2025, Farasis setting up production to start sampling solid-state batteries by the end of 2025
The batteries are claimed to be 400wh/kg.
At this point to be a solid-state sceptic means you think at least 7 companies are just spouting hyperbole.
https://www.electrive.com/2025/07/22/farasis-to-launch-pilot-production-of-solid-state-batteries-by-end-of-2025/
July 5th 2025, Chery backed company samples solid-state batteries
This again is a â€œwe have a production lineâ€ claim with promises of progressing from 300wh/kg to 400wh/kg and then to 500wh/kg. Assuming accessible costs any of these numbers would be game changing.
A note on solid-state costs. I don't think it serves the interests of companies to not suggest initial prices will be high. Would CATL really want to say that in a couple of years you can have a 80kwh solid-state battery for the price of a 50kwh lithium ion battery now? They are not going to say that! But obviously raw materials costs would have likely reduced.

https://carnewschina.com/2025/07/04/first-batch-of-solid-state-batteries-from-chery-backed-company-produced-in-china/

Slim

Joined: 05 Mar 2006
Posts: 6713
Location: New England (In the US of A)

Posted: Tue Jul 29, 25 12:41 pm Post subject:

Part of me feels compelled to jump for another EV to replace my 2010 daily driver.
Currently seeing the end to a federal $7,500 tax credit, and who knows how long I could continue to expect the opportunity to be able to double that with a state rebate, AND the new tax law over here makes auto loan interest deductible from above the line income for federal taxes for the next few years (yes, our tax system is dumb, and fraught with odd incentives and complications).

But even with all of that, a new car (EV or ICE) is still quite an expense. I can probably keep my current car going another couple years before the rust and repairs make it completely untenable, but I'm not sure if the new battery tech will have brought EV prices down enough by then to make that the better choice.....

jema
Downsizer Moderator

Joined: 28 Oct 2004
Posts: 28364
Location: escaped from Swindon

Posted: Tue Jul 29, 25 1:18 pm Post subject:

Slim wrote:

but I'm not sure if the new battery tech will have brought EV prices down enough by then to make that the better choice.....

whilst the battery is a significant expense, it's now far from being the massive factor it once was, so further battery price reductions won't drive down costs massively.
I strongly suspect that in most the world production price parity has already happened.
There are afterall sub $10,000 halfway decent EVs in China.
What will change is ranges increasingly being what people need and the self driving tech ramping massively.
In three years time that is going to be the decision people have to make rather than worrying about battery type.

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