Electric battery
Power source with electrochemical cells
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| April 2025 | The United States House Select Committee on Strategic Competition between the United States and the Chinese Communist Party asked JPMorgan Chase and Bank of America to withdraw from working on CATL's Hong Kong IPO. |
| March 18 2025 | SK Innovation released its Annual Report for the Fiscal Year 2024, detailing the company's corporate governance and shareholder structure. |
| 2025 | Northvolt plans to start production of lithium-ion batteries at a new factory near the Volvo plant in Gothenburg, which will supply batteries to Volvo and Polestar brands. |
| February 11 2025 | CATL filed for a secondary listing on the Hong Kong Stock Exchange, aiming to raise over $5 billion to fund international expansion projects in Hungary, Spain, and Indonesia. |
| February 2025 | BYD Energy Storage announced a contract with Saudi Electricity Company to provide 12.5 GWh of energy storage. |
| February 2025 | SK On merged with SK Enterm, further consolidating the company's organizational structure. |
| January 13 2025 | Sold remaining stakes in Hydrovolt, its battery recycler division, to Norsk Hydro for 78 million Norwegian crowns. |
| January 7 2025 | The US Department of Defense added CATL to its list of 'Chinese military companies'. |
| January 7 2025 | Announced plans to continue developing battery cells while seeking funds to exit bankruptcy proceedings. |
| 2024 | Consultant Tu Le from Sino Auto Insights stated that the US is 'years behind' China in battery technology, noting CATL's significant advantage in the global electric vehicle battery market through 2030. |
| 2024 | BYD hired close to 200,000 new employees specifically in car manufacturing and components. |
| 2024 | BYD became the second largest electric vehicle battery producer globally, producing 17.2% of the world's output through its FinDreams Battery subsidiary. |
| 2024 | Northvolt Fem gigafactory is scheduled to open in Borlänge, Sweden, with a planned peak capacity of over 100 gigawatt hours of cathode material. |
| December 12 2024 | CATL announced a joint venture with Stellantis to build a lithium iron phosphate battery plant in Zaragoza, Spain, with a €4.1 billion investment and a planned 50 GWh capacity. |
| December 4 2024 | Announced plans to sell its electric industrial battery division and shut down its energy storage systems division. |
| November 2024 | SK Innovation and SK E&S completed a merger, creating a new entity with total assets of KRW 105 trillion. Simultaneously, SK On merged with SK Trading International. |
| November 21 2024 | Northvolt filed for protection under Chapter 11 of the United States Bankruptcy Code, signaling financial challenges for the battery manufacturing company. |
| October 30 2024 | Volvo Cars announces its intention to invoke redemption rights to acquire Northvolt's shares in the Novo Energy joint venture, citing Northvolt's failure to meet financing obligations. |
| October 27 2024 | LG Chem opened its third overseas research and development center in Germany to develop environment-friendly, next-generation technologies. |
| October 8 2024 | Northvolt's subsidiary Northvolt Ett Expansion AB filed for bankruptcy at the District Court of Stockholm. |
| September 23 2024 | Announced extensive staff reductions of 1,600 employees across Skellefteå, Västerås, and Stockholm, and discontinued the expansion of Northvolt Ett. |
| September 22 2024 | LG Chem announced plans to supply cathode materials to Prime Planet Energy & Solutions Inc. (PPES), a Japanese battery joint venture between Toyota Motor Corp. and Panasonic Corp. |
| July 2024 | Reports emerged that BYD Electronics became part of the iPhone 16 supply chain, with production moving back to China from India. |
| June 2024 | A group of U.S. lawmakers requested the United States Department of Homeland Security to add CATL to an import ban list under the Uyghur Forced Labor Prevention Act. CATL denied the allegations as 'groundless and completely false'. |
| May 2024 | BYD Electronics was announced to be added to Hong Kong's Hang Seng Index. |
| April 2024 | CATL announced Tener, a large-scale stationary energy storage system with claimed zero degradation over five years and 6.25 MWh capacity per unit. |
| March 2024 | Became a cell supplier to Tesla's energy storage manufacturing in China, set to provide 20 percent of cells for Megapack production starting first quarter of 2025. |
| February 2024 | Signed an 8-year agreement with BorgWarner to supply blade cells and provide battery pack design intellectual property licensing for production in Europe, Americas, and Asia Pacific regions. |
| January 2024 | SK Enthem became the 9th subsidiary of SK Innovation, spinning off from SK Energy to handle import and distribution of crude oil and petroleum products. |
| January 2024 | Construction began on a CN¥10 billion sodium-ion battery manufacturing plant with 30 GWh annual production capacity. |
| January 2024 |
Betavoltaic device
Betavolt, a Chinese startup, announces a prototype betavoltaic battery using Carbon-14 or nickel-63, claiming to generate 100 microwatts of power with a 3V voltage and a 50-year lifetime. The device is reportedly in the pilot testing stage and is described as the first miniaturized device of its kind.
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| January 2024 | Northvolt raised $5 billion through green lending. |
| January 2024 | Northvolt Drei project was put on hold due to high electricity prices in Germany, delaying the originally planned 2025 production start. |
| January 2024 | Northvolt Drei gigafactory received €902 million in funding approval from the European Commission under the TCTF aid initiative, with local municipality approvals, scheduling production to start in 2025. |
| 2023 | CATL received approximately US$790 million in state subsidies and introduced the M3P battery with a 15% increase in energy density, reaching 210 Wh/kg. |
| 2023 | Achieved a global market share of approximately 37% in electric vehicle batteries and 40% in energy storage batteries, establishing itself as the world's largest battery manufacturer in these sectors. |
| 2023 | Panasonic introduces 'Make New' slogan for the Japanese market. |
| 2023 | LG Chem acquired AVEO Pharmaceuticals, a U.S. bio firm specializing in renal cell carcinoma, for US$571 million, expanding its life sciences business portfolio. |
| 2023 | Record-breaking year with revenue reaching 602 billion yuan and net income hitting 30.0 billion yuan. Employee count grows to 703,000. Passenger car sales surge to 3.0 million units, marking a significant milestone for the company. |
| 2023 | BYD invested 6% of its operating income in R&D and recruited 33,000 new R&D personnel, bringing the total R&D workforce to 102,000. 60% of these R&D employees are under the age of 30. |
| 2023 | BYD's automotive business increased to contribute over 80% of the company's total revenue. The company was ranked 212th on the Fortune Global 500. |
| 2023 | For the first three quarters, the factory produced 79.8 MWh of battery storage equivalent. |
| December 2023 | Duke Energy disconnected CATL batteries from Marine Corps Base Camp Lejeune due to security concerns. CATL responded by calling the accusations about its batteries posing espionage threats as 'false and misleading'. |
| December 31 2023 | BYD reached 704,000 employees after hiring 133,000 new employees during the year, nearly doubling Toyota's workforce of 375,000. |
| September 2023 | FAW-FinDreams battery pack plant became fully operational. |
| September 2023 | Northvolt announced plans to build a new battery gigafactory near Montreal, Canada, with initial production intended to start in 2026. |
| September 2023 | Quebec official Pierre Fitzgibbon indicated that the Northvolt Six factory's timeline is likely to be delayed by 12 to 18 months from the original 2026 production start date. |
| September 2023 | Photo Systems Inc. acquired the brand rights for Kodak professional photo chemistry directly from Eastman Kodak, with plans to re-introduce the full range of photochemistry products. |
| August 2023 | The U.S. Department of Commerce issued a final determination that BYD circumvented solar panel tariffs. |
| August 2023 | BYD Electronics agreed to purchase several Chinese factories from Jabil, a U.S. manufacturer that supplies components to Apple. |
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This contents of the box above is based on material from the Wikipedia articles BYD Company, SK Innovation, Betavoltaic device, Panasonic, Kodak, CATL, Northvolt & LG Chem, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.