Smart and Sustainable Electric Mobility
CATL is working with Tesla on battery technologies, particularly new electrochemical structures for faster charging, the Chinese battery maker's chairman said.
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The new 75-kWh battery pack will not use both LFP cells and ternary cells like its predecessor and will begin deliveries soon with the 2024 models.
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The battery pack, called "Wuling Red 1", is 148 mm thick, which SAIC-GM-Wuling said is the thinnest battery for commercial vehicles.
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After 1,044 kilometers of driving, the Nio ET7 has a remaining charge of 3 percent or 36 kilometers of remaining CLTC range.
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Zeekr said its Golden Battery is the world's first mass-produced 800 V LFP ultra-fast-charging battery with 83.7 percent volume utilization and a maximum charging power of 500 kW.
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The Shenxing Battery will be mass-produced by the end of 2023 and available in the first quarter of 2024, allowing vehicles to get up to 700 kilometers of range.
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CATL didn't mention what product it will be releasing, but hinted that it is related to faster speeds, possibly new fast-charging battery technology.
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The Phoenix battery will be in mass production next year and is expected to be used in production vehicles by the end of next year, Greater Bay said.
(Image credit: Greater Bay Technology)
Many Chinese companies have announced breakthroughs in battery technology this year, with GAC Group-backed Greater Bay Technology as the latest.
Greater Bay unveiled the Phoenix battery, which claims to be able to charge from zero to nearly full in less than 10 minutes, at a battery technology launch event on June 6.
The Phoenix battery integrates Greater Bay's latest innovations in materials, electrochemistry, structure, and controls to give electric vehicles the ability to run as usual in all-weather conditions, it said.
Phoenix battery-equipped electric vehicles can be charged at up to 8C at different voltage platforms from 300 volts to 1000 volts, with 0-80 percent charging in 6 minutes, it said.
In the battery world, C refers to the charging multiplier, and 8C means the battery can theoretically be fully charged in one-eighth of an hour -- 7.5 minutes.
At the same time, Phoenix batteries offer leading-edge advantages in safety, cycle life, range and cost to compete with fuel-powered vehicles, Greater Bay said, according to a WeChat article it posted today.
Greater Bay said its technology gives the battery 18 times more heat exchange area compared to conventional solutions, and allows the pack temperature to rise from -20°C to +25°C in five minutes even in winter.
Phoenix battery uses a new structural design, not only the thermal management of the battery sees great improvements, volume utilization can be as high as 75 percent, it claimed.
With extremely fast charging, the Phoenix battery also has an ultra-long life, with a cycle life of 10 years or 800,000 kilometers, the company said.
The battery system's highly integrated design allows for an energy density of 260 Wh/kg and a range of 1,000 kilometers on a single charge, it said.
Phoenix batteries will be in mass production next year and are expected to be used in production vehicles by the end of next year, according to the company.
Greater Bay, founded in September 2020, is a battery maker incubated by GAC, according to its website.
The company is building cell and pack production capacity, with a pack plant in Nansha, Guangzhou, already in operation.
Greater Bay plans to build a production base of about 500 mu (33 hectares) in Guangzhou, with the first phase of construction expected to be completed in 2023 and a capacity of 8 GWh, which could supply batteries for 120,000 vehicles, the information on its website reads.
Gotion unveils new battery based on LMFP chemistry with range up to 1,000 km
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The pack is based on Gotion's new L600 LMFP cells with an energy density of 240 Wh/kg and will be in mass production in 2024.
(Astroinno Battery. Image credit: Gotion High-tech)
Several Chinese power battery makers have previously announced batteries with ranges of up to 1,000 km, but all are based on nickel-cobalt-manganese (NCM) ternary materials.
Now Gotion High-tech has unveiled a new battery technology, which claims to be able to achieve a range of 1,000 km even without the use of expensive ternary materials.
Hefei, Anhui-based Gotion unveiled its L600 LMFP battery cells based on lithium iron phosphate (LFP) chemistry and a battery pack called Astroinno Battery at its 12th technology conference today.
The L600 LMFP cells have an energy density of 240 Wh/kg, or 525 Wh/L. The cells support 4,000 cycles at room temperature and 1,800 cycles at high temperature, according to the company.
A battery system based on the L600 LMFP cell could have an energy density of 190 Wh/kg, which is higher than the energy density of packs based on ternary chemistry systems that are in mass production now, Gotion said, adding that the new cell will be in mass production in 2024.
The energy density growth of mass-produced LFP cells has faced a bottleneck, and further improvements require chemical system improvements, so the LFP solution with manganese addition was born, said Cheng Qian, Gotion's executive president of international operations.
Gotion unveiled the Astroinno Battery based on L600 LMFP cells, saying that the pack uses a sandwich structure with double-sided liquid cooling technology and minimalist design, resulting in a 45 percent reduction in the number of structural components and a 32 percent reduction in the weight of structural components.
The minimalist electrical design thinking makes the pack's wiring harness length only 26 percent of the previous one, from the original 303-meter harness down to 80 meters, with a volumetric grouping efficiency of 76 percent, according to the company.
The pack has an energy density of 190 Wh/kg, surpassing the energy density of ternary batteries currently on the market, Gotion said.
Gotion is not the first manufacturer to release a 1,000-km range battery pack, but it is the first to achieve that range based on the LFP chemistry system.
CATL, China's largest power battery maker, unveiled Qilin Battery, or CTP (cell to pack) 3.0, on June 23, 2022, claiming an energy density of up to 255 Wh/kg to support a vehicle with a 1,000km range.
The Qilin Battery is an innovation in battery structure, not a chemical system, and a 1,000 km range battery pack requires NCM chemistry.
The first Qilin Battery with a 1,000 km range is the Zeekr 001 of Zeekr, a premium electric vehicle brand of Geely, and deliveries of the model with this range have already started on May 16.
On April 21, Svolt Energy, which was spun off from Great Wall Motor, made the real-life debut of its Dragon Armor Battery at the Shanghai auto show.
Dragon Armor is also an innovation in battery pack structure without involving battery chemistry.
Svolt Energy said that the Dragon Armor Battery with LFP cells could have a range of more than 800 kilometers, while such batteries with ternary cells could have a range of more than 1,000 kilometers.
Gotion installed 1.18 GWh of power batteries in China in April, ranking fifth with a 4.68 percent share, according to the China Automotive Battery Innovation Alliance (CABIA).
In the LFP market, Gotion ranked fourth with a 6.17 percent share in April.
Gotion posts 135% year-on-year profit growth in Q1, site for US battery plant nears finalization
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In a 4C fast-charging solution, the Dragon Armor Battery has 32 percent higher pack capacity compared to the 46 series high nickel cylindrical battery, according to Svolt Energy.
(Image credit: Svolt Energy)
Svolt Energy, which was spun off from Great Wall Motor, gave its Dragon Armor Battery its real-life debut at the ongoing Shanghai auto show, after unveiling the battery late last year.
The battery maker showcased the Dragon Armor Battery at the Shanghai auto show -- which began April 18 and runs through April 27 -- with a video of a previous thermal runaway test on display.
In the test, heating triggered a thermal runaway of a cell in the middle of the pack, but no open fire was seen throughout the pack, Svolt Energy said in an April 19 post on its WeChat account.
The single cell runaway did not spread to adjacent cells, achieving the ultimate power battery safety, the article said.
Compared to the 46-series high nickel large cylindrical battery, the Dragon Armor Battery has 5 percent higher capacity on a 2C fast-charging solution, according to Svolt Energy.
On the 4C fast-charging solution, the Dragon Armor Battery has a 32 percent higher pack capacity compared to 46-series high nickel cylindrical batteries, the company said.
In addition, the highly integrated design of the Dragon Armor Battery reduces size and weight, effectively lowering battery costs, according to Svolt Energy.
The battery is compatible with a wide range of chemistries and can be carried in the A00-D class models, it said.
The strong compatibility shortens the development cycle of new models for car companies, and the versatility of the battery pack further reduces procurement costs, according to the company.
Since the announcement, Dragon Armor batteries have received multiple intent orders from customers, Svolt Energy said, without disclosing customer names.
Svolt Energy unveiled the Dragon Armor Battery at its third Battery Day event on December 15 in Changzhou, Jiangsu province, where it is headquartered.
Like BYD's Blade Battery and CATL's Qilin Battery, Svolt Energy's Dragon Armor is an innovation in battery pack structure that does not involve battery chemistry.
The Dragon Armor Battery system with lithium iron phosphate cells has improved volumetric pack efficiency to 76 percent and can have a range of more than 800 kilometers, the company said at the time.
Dragon Armor batteries with high-manganese iron-nickel cells can achieve a range of more than 900 kilometers, while such batteries with ternary cells can exceed 1,000 kilometers, Svolt Energy said.
The battery is expected to be on production models in 2023, including an SUV and a coupe in production in October 2023, Svolt Energy Chairman and CEO Yang Hongxin said at the Battery Day event.
Svolt Energy installed 0.43 GWh of batteries in China in March, ranking No. 9 with a 1.53 percent share, according to data released this month by the China Automotive Battery Innovation Alliance (CABIA).
Svolt Energy unveils Dragon Armor Battery capable of giving EVs up to 1,000 km of range
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