A 10-MWh sodium-ion battery energy storage station has been put into operation in Guangxi, southwest China, the country's first large-scale energy storage plant using sodium batteries.
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The joint venture is 51 percent owned by BYD's battery unit FinDreams, with local conglomerate Huaihai holding the remaining 49 percent.
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In a recent wide-ranging interview with CnEVPost, a CATL spokesperson talked about the company's overseas partnership model and its layout for new technologies.
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The sodium-ion battery-equipped model has a battery pack capacity of 23.2 kWh, a CLTC range of 230 km, and can be charged from 10 percent to 80 percent in 20 minutes.
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BYD has started construction on its sodium-ion battery facility in Xuzhou, Jiangsu province, with a total investment of RMB 10 billion and a planned annual capacity of 30 GWh.
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The two models feature sodium-ion batteries from Farasis Energy and Hina Battery, marking a step closer to large-scale use of the new, lower-cost batteries.
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The planned annual capacity of Zoolnasm's manufacturing facility includes 20 GWh of sodium-ion battery cells and 10 GWh of sodium-ion battery systems.
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The customer is a globally recognized automaker headquartered in Germany with a portfolio of well-known car brands, Transimage said.
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BYD will set up a joint venture with a local conglomerate to build a sodium-ion battery production base in Xuzhou, Jiangsu province.
(Image credit: Huaihai Holding Group)
BYD (OTCMKTS: BYDDY) will set up a joint venture with a local conglomerate to build a sodium-ion battery production base, the first time we've seen it move forward in building capacity for this alternative to lithium batteries.
Huaihai Holding Group and BYD's battery unit FinDreams signed a strategic cooperation agreement at BYD's Shenzhen headquarters on June 8, according to a press release from Huaihai yesterday.
The two parties will establish a joint venture to build a sodium-ion battery production base in Xuzhou Economic and Technological Development Zone in Jiangsu province to jointly create the world's largest supplier of sodium battery systems for micro vehicles, according to the press release.
Huaihai will provide its resources including markets and application scenarios, and FinDreams will provide products and services, the release said.
Huaihai said it sees the tremendous economic and social value of sodium batteries and began its involvement in the industry years ago with a strategic investment in sodium-ion battery startup Natrium.
Huaihai and FinDreams will expand demand for mini-vehicle batteries nationwide and globally, centered on Xuzhou, it said.
Huaihai's press release provided no further details. The company was founded in 1976 and has operations in small vehicles, electric vehicles, parts and components, and financial services.
Since last November, there have been several rumors that BYD's sodium-ion battery would be in mass production in 2023 and that the first model to carry the battery would be the Seagull.
However, none of these rumors have been confirmed by BYD. BYD launched the Seagull on April 26 with a starting price of RMB 73,800 ($10,350), though no version with the sodium battery is yet available.
On February 23, battery maker Hina Battery unveiled three sodium-ion battery cell products and announced a partnership with Anhui Jianghuai Automobile Group Corp (JAC).
Hina Battery and Sehol -- a joint venture brand between JAC and Volkswagen Anhui -- jointly built a test vehicle with sodium-ion batteries based on the latter's Sehol E10X model.
On April 16, CATL announced that its sodium-ion batteries will first be used in Chery's models. CATL unveiled its first-generation sodium-ion batteries on July 29, 2021, saying that the energy density of the cells alone has reached 160Wh/kg.
On April 20, local media 36kr reported that CATL's and BYD's sodium-ion batteries will both be installed in production vehicles this year, and they will both be a mix of sodium-ion and lithium-ion batteries.
Sodium-ion batteries currently have lower energy density than lithium-ion batteries, but cost less and sodium resources are seen as more abundant and readily available.
In the past two years, as lithium prices continue to rise sharply, sodium-ion batteries are highly anticipated.
However, since the beginning of this year, with the continued decline in lithium prices, sodium-ion batteries are seen as having a reduced cost advantage.
Sodium-ion's abundant resource reserves are difficult to quickly translate into cost advantages, and when the cost of lithium iron phosphate batteries is rapidly declining, automakers are hardly motivated to choose to carry sodium-ion batteries in the short term, the China Passenger Car Association (CPCA) said in a report on May 22.
($1 = RMB 7.1286)
CATL, BYD's sodium-ion batteries both to be in mass production within this year, report says
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With the price of battery-grade lithium carbonate falling back to around RMB 300,000 per ton, the cost advantage of sodium batteries is seen as no longer prominent.
The dramatic rise in lithium carbonate prices over the past few years has led many to look to the lower cost of sodium-ion batteries.
However, with the prolonged decline in the price of lithium carbonate, a key raw material for lithium-ion batteries, earlier in the year, the cost advantage of sodium-ion batteries is seen as having diminished significantly.
Battery-grade lithium carbonate surged in 2022, with prices once topping RMB 600,000 (84,400) per ton, and in this context, sodium-ion batteries were highly sought after, the Shanghai Securities News noted in a report today.
However, very few models are confirmed to carry sodium-ion batteries this year, with only Chery's iCar, Sehol E10X and Jiangling EV3 having been the few ones, the report said.
Meanwhile, the price of battery-grade lithium carbonate has fallen back to around RMB 300,000 per ton, and the cost advantage of sodium batteries is no longer prominent, the report said.
Lithium carbonate price in China rose to about RMB 600,000 per ton at one point in November 2022, about 14 times the average RMB 41,000 per ton price in June 2020.
After that, however, lithium carbonate price began to decline until a month ago, when it finally stopped falling.
Prior to April 21, lithium carbonate price had not seen a single day of gains in China this year, falling about 65 percent since the beginning of the year.
Battery-grade lithium carbonate today averaged RMB 305,000 per ton in China, while industrial-grade lithium carbonate stood at RMB 290,000 per ton, according to data from Mysteel.
The battery industry chain has been actively developing sodium-ion batteries in recent years, and currently has mass production capabilities, but the feedback from the demand side is not positive, the China Passenger Car Association (CPCA) said in a report on May 22.
Sodium-ion batteries are still in the early stages of industrialization, and their cost advantages cannot be fully exploited at this time due to controversial core technology routes, inadequate supply chain preparation, and immature production processes, the CPCA said.
Sodium-ion's abundant resource reserves are difficult to quickly translate into cost advantages, and when the cost of lithium iron phosphate batteries is rapidly declining, automakers are hardly motivated to choose to carry sodium-ion batteries in the short term, according to the CPCA.
Nevertheless, the development of the sodium-ion industry chain in China continues.
There are currently more than 35 sodium-ion battery manufacturers in China in the interim-testing stage, with another 50 or more in the lab stage, Shanghai Securities News said, citing data from local think tank GGII.
Companies able to provide samples are expected to exceed 20 in the first half of 2023, and more than five companies will achieve mass production of sodium-ion batteries in the second half of the year, according to the report.
The sodium-ion battery industry chain is not yet mature, and it will take at least two to three years for the industry to really move toward industrialization, said Chen Liangqin, director of local lithium battery maker Veken Technology, as quoted by Shanghai Securities News.
($1 = RMB 7.1032)
Battery-grade lithium carbonate price up by RMB 2,500 per ton
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