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- เผยแพร่เมื่อ 13 ธ.ค. 2024
- 0:15 Why Na-ion battery is so important?
1:28 What sorts of cathode are used?
3:13 What sorts of anode are used?
4:20 What electrolytes are chosen?
4:51 Na+ and Li+ coupled battery system.
5:25 Good capacity retention and fast charing features.
5:57 Outlook
This is so useful to understand the brief mechanism of the SIBs and the future direction of Catl. I have one question. in 5:48, you mentioned that sodium ion has more fast diffusion in the solid phases. But in normal, lithium-ion has faster diffusion ion transfer speed. So you said the "faster diffusion than Li-ion" means when the condition is set to -20degree?
Im also curious about this question!
Big invention. it is key invention for Green energy.
So the Sodium ion battery energy is between 1 to 4V... meaning that if you want all energy you must use a Boost converter to match the lithium ion battery voltage in parallel with it and managed by the BMS... i am curious to see the calculation of overall efficiency of that new combined system.
i am also curious to that.
Somewhere between 10 and 16% less efficient than Lithium-Ion.
Thank you! Very informative!
Is there an advantage von Na-Ion about Li-Ion regarding simplicity of thermal management? Eg you don't need to heat Na-Ion in winter, maybe it also can maintain higher temperatures during charging and discharging. That would reduce weight and costs for a Na-Ion battery in EVs. Am I right?
ya, thermal management would be different, hopefully it goes to the easier way as referred according to the official statement. we will test it once get the sample. and from the system point of view, it will compensate a bit while the overall weight may not be change in big manner due to the comparable lower energy density of Na-ion battery. while the cost is the most significant point i suppose by using Na-ion battery.
What is expected rate of calendar capacity degradation with these Na-ion batteries? While they do have impressive 50K+ cycle life, will they last as long as LFP batteries in grid storage daily cycling application? So far I heard no mention of that.
Once we get the sample, an indicative data will be given.
Hey Peter, you've just got a new subscriber, me. There is a gissip I want to share with you. The anode of Sodium-ion battery in the next generation, it will be setup by NVP, "Na3V2(PO4)3". So how do think of this? Is CATL researching that material for the next generation? I'm not an expert in battery, hope I didn't post a foolish question, I'm sorry.
regarding the chemical details, i cannot describe too much here. it will turns out when the first batch of sample is released and UZ Energy may have the chance to test.
Your english is better than Mr. good1142
Great news. Very exciting development. What’s the potential for S-ion for longer duration BESS ( eg, greater than 4 hours)?
Now the detailed spec is yet available. For BESS, the duration time would not be a problem since larger capacity can meet up with the longer duration requirements.
The more concerns are coming from the long time reliability (i.e. cycle performance vs. calendar year), since the cycle life of Na Battery is the most challenge.
It maybe that of IP because the use of sodium instead of Lithium goes in parallel with Lithium so getting good IP is near on impossible and 8investing in a product that anyone could do similar means who blinks first pays the most.
could be one sort of explanation :)
So.. what is better? Why does Tesla go with nickel? Because of manufacture ease?
Lithium-Ion batteries with a nickel-based cathode have a higher specific energy (the battery weighs less). This is important for long-haul trucks and very high range cars.
Tesla also buys a lot of LFP cells from CATL, which are quite similar in performance to these newly announced Na-Ion cells. If they can, Tesla will probably buy very large quantities of these Na-Ion-Cells. They are ideal for cheap cars and stationary storage.
Tesla is the pioneer in electrifying those using tractional power sources, therefore the choice is somehow limited at the very beginning. Bundling thousands pieces of Panasonic 18650 was considered crazy at that time. Years later, Elon made it and convince publics the possibility of EVs.
To further increase the market share of EVs, the overall cost-down is a must. Therefore, Tesla gradually take use of LFP as the power sources, as seen from the Model 3 and Model Y. Regarding the cost, Na-ion battery has no doubts the huge advantages. To my point of view, in short term, Na-ion battery will not take place NCM or LFP batteries in main-stream EVs, While it is hardly to conclude in the long terms, since engineers are continuously improve battery tech to balance the cost and performances. Na-ion battery in EVs, who knows :)
BTW, the manufacturing process can be transferable from that Li battery process, as mentioned in CATL presentation.
@@UZENERGY I will give Na-Ion a chance in EVs. Because here in northern Europe we have cold winters. And that is when LFP looses ..
@@BremerFischkoop still need a while, since Na-ion will be firstly accepted in ESS i suppose.
There is no and never will be a shortage of lithium. Very abundant all over the world and is relatively easy to mine. Also, because vehicle batteries will be recycled; extracting 92% of materials; very little lithium will be mined.
Exactly. Current "shortages" are strictly related to shortages of cobalt and nickel which are currently used in high performance cathodes. These are already removed in LFP batteries. On the other hand, almost every high end battery will have removed cobalt from their chemistry due to supply constraints by 2030. This is a cool cheap battery technology, but it's not ground breaking yet.
From CATL Sodium ion battery mainly target to energy storage market, not vehicle market.
@@wutangtang8590 I would not dismiss any use of those batteries. For large lorries that have the place and can carry the weight it might be interesting because they will be cheaper then Li-Ion. But maybe LFP would be the better choice? I don‘t know. But i would not exclude any use for any type.
haha, you have the same opinion as Elon as stressed in the shareholder's meeting :) @Simply Human
@@wakannnai1 yes, along with the less use of cobalt, the most urgent concern is the nickel.
The virgin: Na-ion.
The Chad: Li-Sulphur.
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