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China’s CATL “launches 500Wh/kg low weight high energy density aircraft battery”

On April 19, at the Auto Shanghai event, Chinas CATL launched its condensed battery “with an energy density of up to 500 Wh/kg.,” said the company. “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 aircraft. 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,” said the company in a press statement.

“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 aircraft 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.”

In 2021, CATL rolled out the first generation of sodium-ion battery with an energy density of 160 Wh/kg. In 2022, CATL unveiled Qilin battery with a very high level of integration efficiency.

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