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Beijing WeLion New Energy Technology Co., Ltd.

Trade name	WeLion New Energy
Native name	北京卫蓝新能源科技有限公司
Company type	Private
Industry	Electric batteries
Founded	2016; 8 years ago (2016)
Founder	Li Hong Chen Liquan Lu Huigen
Headquarters	Fanshang, Beijing, China
Website	solidstatelion.com/en

Beijing WeLion New Energy Technology Co., Ltd., known simply as WeLion New Energy or WeLion (Mandarin: 卫蓝; pinyin: Wèilán), is a Chinese battery manufacturer specializing in semi-solid and solid state batteries for use in electric vehicles and energy storage systems. The company is headquartered in the Beijing's Fangshan District, and is a spinoff from the Laboratory of Renewable Energy of the Institute of Physics of the Chinese Academy of Sciences. It is best known for supplying the world's first mass produced semi-solid state battery cells for an automotive traction battery application, in the form of Nio's 150 kWh swappable battery pack.

History

In August 2021, WeLion received a CN¥ 500 million (approximately US$78 million) investment from Geely, Huawei and Xiaomi. The investments are from Hubei Xiaomi Yangtze River Industry Investment Fund Partners (Changjiang Industrial Fund and Xiaomi fund launched in 2017) and Shenzhen Hubble Technology Investment Partners (a Huawei venture capital subsidiary), and Ningbo Geely Blue Initiative Business Management Partners (a Geely Holding Group subsidiary). The investments put WeLion's valuation at CN¥ 5 billion (approximately US$780 million).

On November 4, 2022 WeLion disclosed that it had secured CN¥ 1.5 billion (approximately US$209 million) in Series D financing.

Partnerships

Nio

On January 9 2021 at Nio's 'Nio Day 2020' event, Nio announced that a 150 kWh semi-solid state battery pack would later be made available. Later, it was revealed that WeLion would be the supplier of the battery cells. On June 30, 2023, Nio received the first shipments of the battery cells, and the packs first became available for rent by the public in mid-2024. The semi-solid state battery cells allow for a 50% higher energy capacity, with an energy density of 360 Wh/kg, in the same dimensions compared to a conventional pack, with only a minor 20-kilogram (44 lb) weight increase, allowing for a range of 1,050-kilometre (650 mi) range in the ET7 sedan.

Tianqi Lithium

On May 20, 2021 WeLion signed an agreement with a subsidiary of Tianqi Lithium to form a joint venture. The aim of the joint venture is to develop, produce and sell lithium anode materials, and manufacturing equipment and ingredients for battery pre-lithiation processes.

Ronbay Technology

In April 2022, WeLion signed a five-year agreement with Ronbay Technology for the supply of at least 30,000 tons of battery cathode materials. The agreement stipulates that Ronbay will be WeLion's primary supplier of high-nickel cathode materials for use in NMC chemistry solid-state batteries.

JAC Yiwei

On April 22, 2024 WeLion and JAC signed an agreement for the supply of semi-solid state battery cells for use in Yiwei brand cars. The batteries will be cylindrical 4695 format cells, and will be used in Yiwei's second generation DI platform, with the first vehicle expected to launch in 2025.

Longquan Energy Storage

On June 6, 2024 the Longquan Energy Storage project located near Longquan, Zhejiang was connected to the grid. The now operational first phase has a capacity of 200 MWh and an output of 100 MW and uses WeLion's semi-solid state cells, making it the world's first large scale use of semi-solid state batteries in a battery energy storage system context. The project is run by state-owned Power China, and is eventually planned to have a 400 MWh capacity and 200 MW output on the 40-acre site. It uses LFP solid-liquid hybrid electrolyte battery cells with a cell capacity of 280 Ah, energy density of 165 Wh/kg, a rated lifespan of 6000 cycles, and an operating range between −20–60 °C (−4–140 °F). Annual discharge is estimated to be over 60,000 GWh.

Facilities

WeLion is headquartered in Beijing and currently has four production facilities located throughout China.

Beijing Fangshan Base

• Headquarters, R&D and solid-state battery mass production
• 4.66 + 10.1 ha
• 8 GWh capacity
• 2025

Zibo Base, Shandong

• Energy storage base
• (550 mu)
• 20 GWh capacity (energy storage applications)
• September 2023 (Phase 1)
• semi-solid state and solid state battery cells

On February 25, 2022 WeLion held a groundbreaking ceremony for a new battery factory project in the city of Zibo located in eastern Shandong. The project involves a total investment of CN¥ 40 billion (US$6.3 billion) in a 550 mu (36.7 ha) facility, resulting in a projected annual capacity of 100 GWh. The first phase of the project involved CN¥ 10.2 billion (US$1.61 billion) of investment and is be capable of 20 GWh of annual capacity, and was completed in September 2023; it will manufacture semi-solid and solid-state batteries. At the time, WeLion claimed that the facility has the highest safety factor and energy density in China.

Liyang, Jiangsu Base

• Low-altitude economic power base
• 2.53 ha
• 0.2 GWh capacity
• August 2020

Manufactures 320Wh/kg low cost power batteries for use in low-altitude applications, such as drones, robots and portable power supplies, according to WeLion's website.

Huzhou, Zhejiang base

• Car power base
• 4.66 + 33.3 ha
• 2 + 20 GWh capacity
• Q3 2022 + Q4 2025

This facility manufactures semi-solid state power batteries for use in electric vehicles. Construction of this factory in Huzhou, Zhejiang began in 2021, and was completed in Q3 of 2022. On November 22, 2022 WeLion held a ceremony commemorating the production of the first battery cell on the production line at the facility. On June 30, 2023 WeLion held a ceremony at the Huzhou factory for their first delivery of battery cells to Nio. The cells use a semi-solid state electrolyte, and have an energy density of 360 Wh/kg, and are used in a 150 kWh swappable battery pack made by Nio.

WeLion's R&D center for the Yangtze River Delta region is also located in Huzhou, and its completion was also announced at the ceremony.

Shaoxing, Zhejiang pulp base

• Solid state materials and solid state battery production base project
• 1.5 ha
• 10,000 tons capacity
• End of 2023 production date

Supplies battery materials for final manufacture at the nearby Huzhou factory.

Shenzhen Pingshan, Guangdong

• Solid-state battery R&D base
• 5742 m
• 600 MWh capacity
• March 2025

References

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2. "Xiaomi, Huawei, Geely-backed firms invest in solid-state battery maker WeLion". autonews.gasgoo.com. Retrieved 2024-11-18.
3. Zhang, Phate (2022-03-28). "Nio's semi-solid-state battery supplier WeLion secures investments from Xiaomi, Huawei". CnEVPost. Retrieved 2024-11-18.
4. Pandaily (2021-11-26). "Xiaomi and Huawei to Invest in NIO Battery Supplier Welion New Energy, Sources Say". Pandaily. Retrieved 2024-11-18.
5. Kang, Lei (2022-11-07). "Nio's semi-solid-state battery supplier WeLion closes about $200 million in new funding". CnEVPost. Retrieved 2024-11-18.
6. "China's Welion snags $206m in a Series D round to expand its production line". DealStreetAsia. Retrieved 2024-11-20.
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8. Zhang, Phate (2022-05-21). "Lithium giant Tianqi to form JV with Nio's semi-solid-state battery supplier WeLion". CnEVPost. Retrieved 2024-11-20.
9. Zhang, Phate (2022-08-19). "Tianqi Lithium forms JV with Nio's solid-state battery supplier WeLion". CnEVPost. Retrieved 2024-11-20.
10. Zhang, Phate (2022-04-26). "Nio's semi-solid-state battery supplier WeLion signs deal for 30,000 tons of cathode material". CnEVPost. Retrieved 2024-11-20.
11. raza (2024-04-24). "Nio - semi-solid-state battery supplier WeLion and JAC unit to jointly make EVs with up to 1,000 km range". Batteries News. Retrieved 2024-11-18.
12. Kang, Lei (2024-04-24). "Nio's semi-solid-state battery supplier WeLion and JAC unit to jointly make EVs with up to 1,000 km range". CnEVPost. Retrieved 2024-11-21.
13. "World's first large scale semi-solid-state energy storage project connected to the grid (Industry update)". Rho Motion. Retrieved 2024-11-18.
14. Maisch, Marija (2024-07-05). "World's first grid-scale, semi-solid-state energy storage project goes online". pv magazine International. Retrieved 2024-11-18.
15. "北京卫蓝新能源科技股份有限公司". www.solidstatelion.com. Retrieved 2024-11-24.
16. ^ Zhang, Phate (2022-03-02). "WeLion, Nio's rumored solid-state battery supplier, starts construction of 100 GWh project". CnEVPost. Retrieved 2024-11-21.
17. "Rumoured Nio supplier WeLion to make solid-state cells in Zibo". electrive.com. Retrieved 2024-11-21.
18. "北京卫蓝新能源科技股份有限公司". www.solidstatelion.com. Retrieved 2024-11-24.
19. Zhang, Phate (2022-11-24). "Nio supplier WeLion sees 1st solid-state battery cell roll off line". CnEVPost. Retrieved 2024-11-21.
20. "WeLion completed its first semi-solid-state battery cell". electrive.com. Retrieved 2024-11-20.
21. ^ Zhang, Phate (2023-07-01). "Nio starts to get cells from WeLion, as deliveries of 150-kWh batteries set to begin in Jul". CnEVPost. Retrieved 2024-11-21.

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• Auto parts suppliers of China
• Companies based in Beijing
• Chinese companies established in 2016
• Electronics companies established in 2016
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• Electric vehicle battery manufacturers