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On September 2nd, IT Home reported that at the "Battery Day" event on September 22nd last year, TSLA launched a new 4680 battery (with a size of 46mm in diameter and 80mm in height) to replace the previous mainstream 18650 and 21700 batteries. Compared to the latter two, this new battery has a single energy density increase of 5 times, reaching 300Wh/kg, a range increase of 16%, a power increase of 6 times compared to polar ear batteries, and a cost reduction of 14%.

However, Israeli lithium battery company StoreDot claims that it has replicated the 4680 battery and can fully charge it within 10 minutes.

According to Dr. Doron Myersdorf, CEO of StoreDot, the ten minute charging speed of the 4680 battery has been developed for three years. Myersdorf said: Achieving the goal of extremely fast charging cylindrical batteries in just 10 minutes has been on StoreDot's technology roadmap since the first day. After three years of active development and testing, utilizing multiple carriers of our expert level research, I am very proud of our effective collaboration globally to achieve this important achievement. We can provide battery format choices for electric vehicle manufacturers, leverage our XFC technology, and overcome the challenges The current obstacles to electric vehicles include range and charging anxiety, which are very important. "

Currently, TSLA is manufacturing 4680 batteries internally at its KatoRoad factory in Northern California, but it is also seeking third-party suppliers to help produce these batteries, which will be used in TSLA's large-scale vehicles such as ModelY.

The 4680 battery of StoreDot looks very similar, with the biggest difference being the charging rate. According to Keith Ritter of PE EngineerCompliance, TSLA's 4680 battery is rumored to be fully charged in 15 minutes, while StoreDot's battery can be fully charged in 10 minutes.

The company stated in a press release that, StoreDot's extremely fast charging cylindrical batteries use the 4680 format, which is increasingly favored by global car manufacturers and has been developed for over three years. The groundbreaking work of these breakthrough technologies was initiated in collaboration with the University of Warwick and StoreDot's strategic partner, BP. It has further developed using experts from around the world. This work covers five areas in the field of cell design Patents and the use of StoreDot's continuous labeling technology. This battery design increases production and solves safety and performance issues typically associated with the hard shell structure of cylindrical batteries. The testing of the StoreDot facility showed encouraging low levels of internal resistance. The cylindrical battery sample is currently being intensively produced on the production line of StoreDot Company's manufacturing partner Yiwei Lithium Energy Company in China. "

IT Home learned that StoreDot stated that it is in discussions with leading automakers, but did not provide a specific brand. 4680 batteries can make the electric vehicle industry more competitive, but they will not enter mass production until 2024.

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