On April 19, CATL launched condensed battery, a cutting-edge battery technology at Auto Shanghai. With an energy density of up to 500 Wh/kg, it can achieve high energy density and high level of safety at the same time in a creative manner, opening up a brand-new electrification scenario of passenger Contact online >>
On April 19, CATL launched condensed battery, a cutting-edge battery technology at Auto Shanghai. With an energy density of up to 500 Wh/kg, it can achieve high energy density and high level of safety at the same time in a creative manner, opening up a brand-new electrification scenario of passenger aircrafts. CATL can achieve mass production of condensed battery in a short period of time.
To address the changes of the super high energy density materials resulting from electrochemical reactions, CATL's condensed battery leverages highly conductive biomimetic condensed state electrolytes to construct a micron-level self-adaptive net structure that can adjust the interactive forces among the chains, thus improving the conductive performance of the cells and in turn the efficiency of lithium ion transporting while boosting stability of the microstructure.
What is more, condensed battery integrates a range of innovative technologies, including the 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 cutting-edge 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. At present, CATL is cooperating with partners in the development of electric passenger aircrafts and practicing aviation-level standards and testing in accordance with aviation-grade safety and quality requirements. In addition, we will also launch the automotive-grade version of condensed batteries, which are expected to be put into mass production within this year.
"Meeting customers' requirements is the core driving force that drives technological innovation for CATL," said Wu Kai, chief scientist of CATL. Currently CATL has the world's most 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, which has been launched on Chery Automobile during this exhibition. In 2022, CATL unveiled Qilin battery with the highest integration efficiency in the world, and it has started mass production this March. They have been used on multiple high-end BEVs such as ZEEKR, AITO and Li Auto.
As electrification extends from the land to the sky, aircrafts will become cleaner and smarter. 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.
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Lithium batteries started an avalanche of innovation when they became widely available, largely because they could hold significantly more energy by weight than other contemporary chemistries. Touchscreen smartphones, drones, all-day laptops, long-range electric cars and the first generation of battery-powered aircraft were some of the results.
But more energy storage is always better – you can either make things last longer, or weigh less – and manufacturers have been racing to raise the bar with next-gen battery technologies. One key metric in the aviation world is specific energy – the amount of energy stored per kilogram of battery, and CATL says it''s ready to set a new benchmark.
The lithium-based condensed battery was launched Wednesday at the Auto Shanghai expo, with CATL claiming blockbuster energy density figures "up to 500 Wh/kg." The highest density cells we''ve seen previously would be from Amprius, which was shipping batteries at 450 Wh/kg more than a year ago. Meanwhile, the 4680 battery cells in Tesla''s Model Y are being measured at around 244 Wh/kg.
CATL says the new batteries feature innovations in "ultra-high energy density cathode materials, innovative anode materials, separators, and manufacturing processes," and use "highly conductive biomimetic condensed state electrolytes to construct a micron-level self-adaptive net structure that can adjust the interactive forces among the chains," improving performance, efficiency and stability.
Other than the banner figure for specific energy, the company is giving little away at this point. We don''t yet know what these cells will offer in terms of energy density by volume, for example, or power density. CATL says they''ll deliver "excellent charge and discharge performance as well as good safety performance."
The company says it''s already partnering with electric aircraft companies, looking to satisfy aviation-grade safety and quality standards. Clearly this will be of extreme interest to anyone developing an eVTOL aircraft, provided the cells can put out enough power for VTOL operations – but electric fixed-wing passenger aircraft will also get an impressive range boost out of this tech.
CATL says it "can achieve mass production of condensed battery in a short period of time," and indeed, it expects to put an automotive-grade version of this battery into mass production before the end of the year – although we don''t know what kind of specific energy figure we can expect from that.
We''ve seen plenty of next-gen battery technologies promising huge density figures over the last five or more years, but far fewer that make it through to the product stage. So it''s exciting to hear that these are likely to start rolling out in serious numbers in the coming months.
Chinese battery industry heavyweight CATL has unveiled a novel condensed matter battery technology with an energy density of up to 500 Wh/kg. The company said it can achieve mass production within this year.
On April 19, CATL unveiled its condensed battery technology at Auto Shanghai.
Chinese battery giant CATL on Wednesday unveiled a new ultra-high energy battery technology initially slated for aviation, and with an automotive cell under development.
The so-called "condensed matter" battery, a type of semi-solid state product with condensed electrolyte and new anode and separator materials, will have an energy density of up to 500 Wh/kg.
At the launch ceremony at the Shanghai auto show, Wu Kai, CATL''s chief scientist, said the company was working with unspecified partners to ensure the battery is qualified for aviation use in terms of safety and quality. CATL will also be able to start mass production of the condensed matter battery for electric vehicle uses later this year, Wu added.
The new battery leverages highly conductive biomimetic condensed state electrolytes to improve the conductive performance of the cells and in turn the efficiency of lithium-ion transport, while also boosting the stability of the microstructure.
The condensed matter battery is said to integrate "a range of innovative technologies, including the 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," CATL said.
However, no information has been revealed about the cost of the new cells, or the materials required to make them. A few other specifications, such as charging efficiency, charge/discharge rate, safety ranges, and life cycles, were also missing.
The Chinese battery manufacturer, which produced 37% of the world''s electric-vehicle batteries and 43.4% of energy storage batteries in 2022 for a grand total of 289 GWh, has made groundbreaking product announcements in recent years.
In 2021, CATL rolled out its first generation sodium-ion battery with an energy density of 160 Wh/kg and promised an increase to 200 Wh/kg for the next generation. Earlier this week, it confirmed that Chinese Chery will become the first automaker to use its sodium-ion battery tech.
In 2022, CATL unveiled Qilin battery, the third generation of its cell-to-pack technology, claiming the highest integration level to date. With a record-breaking volume utilization efficiency of 72% and an energy density of up to 255 Wh/kg, Qilin is capable of delivering a range of over 1,000 km and equating to a five-minute hot start and ten minutes of charging to get from 10-80% state of charge.
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