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CATL launches “condensed battery” with an energy density of up to 500 Wh/kg for aircraft; automotive version this year

At Auto Shanghai, Chinese battery giant CATL launched what it calls a “condensed battery”—a type of semi-solid state cell with an energy density of up to 500 Wh/kg. CATL says the cell can achieve high energy density and high level of safety at the same time, opening up a new electrification scenario for passenger aircraft. CATL also says it can achieve mass production of condensed battery in a short period of time.


CATL said that to support the ultra-high energy density materials in the battery, the condensed battery leverages highly conductive “biomimetic condensed state electrolytes” to construct a micron-level self-adaptive net structure that can improve the conductive performance of the cells and in turn the efficiency of lithium-ion transporting while boosting stability of the microstructure.

The condensed battery integrates a range of innovative technologies, including the unspecified ultra-high energy density cathode materials, innovative anode materials, separators, and manufacturing processes, offering excellent charge and discharge performance as well as good safety performance.

The launch of this technology breaks the limits that have long restricted the development of the battery sector and will open up a new scenario of electrification centering on high level of safety and light weight, CATL said.

At present, CATL is cooperating with partners in the development of electric passenger aircraft and practicing aviation-level standards and testing in accordance with aviation-grade safety and quality requirements.

CATL said it will also launch the automotive-grade version of condensed batteries, which are expected to be put into mass production within this year.

Currently CATL has an extensive technology roadmap for batteries, and has developed the capability to turn fundamental research to industrial application, and then to large-scale commercial applications. For example, in 2021, CATL rolled out the first generation of sodium-ion battery with an energy density of 160 Wh/kg. These will now be used by Chery Automobile, as announced at the exhibition.

In 2022, CATL unveiled the Qilin battery with the highest integration efficiency in the world, and it has started mass production this March. These have been used on multiple high-end BEVs such as ZEEKR, AITO and Li Auto.

CATL said that the launch of condensed batteries will usher in an era of universal electrification of sea, land and air transportation, open up more possibilities of the development of the industry, and promote the achieving of the global carbon neutrality goals at an earlier date.



Why the need to jump in pompous "biomimetic" condensed state electrolytes concept ?

They sold batteries not cosmetics.


You complain about the terminology. I'll celebrate the achievement.


this not the first existing cell boasting 500 wh/kh.
We lack all the info to know how good this chemistry is. They didn't publish:
- cycle life
- charge/discharge curves
- operating temperatures
- cost
- anode/cathode composition short, they told us nothing except some PR gibberish about "condensate matter".



Just so.

' the condensed battery leverages highly conductive “biomimetic condensed state electrolytes” to construct a micron-level self-adaptive net structure that can improve the conductive performance of the cells and in turn the efficiency of lithium-ion transporting while boosting stability of the microstructure. '

De-who de what-e?

You need an advanced degree im gibberishese to follow this.


The news here is;
Transportation Battery Technology is advancing in China and not being held back and/or delayed by FF Lobbying Forces like it is in the U.S....and, er...Japan.


"The All-New Amprius 500 Wh/kg Battery Platform is Here"


This is a California based company and the manufacturing will be in Colorado.


@ sd:
Disclaimer's statement as follows:
"Amprius is not responsible for and expressly disclaims all liability for damages of any kind arising out of the use, reference to, or reliance on any information contained within this website. While Amprius makes reasonable efforts to always provide current and accurate information, Amprius does not make any warranty, expressed or implied, as to the completeness, timeliness or accuracy of the information contained within this website. The information may not be correct, complete or up to date. While the information is periodically updated, the information is only current as of the date posted, and Amprius undertakes no duty to maintain or update the information other than as required by applicable law."
From information available to me to this date is that one of the most difficult aspects of silicon is the volume change of silicon dependent on varying temperatures. So far many have tried to master this detrimental attribute of silicon but none that I know of have succeeded. The implications of the disclaimers note leaves quite a bit open to interpretation.


I just found out that CATLs sodium ion battery apparently can sustain fast charging:

And they reckon their battery production will be carbon neutral by 2035:

For CATL, it is not so much that I find their claims exagerated or unrealistic, as I do some other battery producers, but that they provide frustratingly little detail, at any rate in English.

I can usually comprehend stuff even when it is written in American, too! ;-)


I saw this article on Bloomberg a few weeks ago
I don't follow battery developments that closely anymore but there seems to be a lot of buzz about silicon these days and with all the research in the past decade, progress, albeit slow, seem inevitable.

With both CATL and Amprius announcing 500Wh/kg this year, it seems we are on the threshold of a step change in energy density and potential range.

Hard to know if 500Wh/kg translates into smaller, lighter batteries or longer range but given the marketing value of very long range, my guess is both. Many manufacturers offer a choice of battery capacity/range. Having a 500mi range trim level for each model satisfies both road trippers and people who don’t have home charging, but can charge once every week or two at a public charge station.

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