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锂离子电池技术
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深圳市豪鹏科技股份有限公司“一种电芯结构及电池”专利公布
Jing Ji Guan Cha Wang· 2025-07-31 03:03
Core Viewpoint - Shenzhen Haopeng Technology Co., Ltd. has recently published a patent application for a new battery structure and cell design, focusing on improvements in lithium-ion battery technology [1] Company Summary - The patent involves a novel cell structure that includes specific regions in both the anode and cathode, aimed at enhancing the overall flatness and structural integrity of the battery cell [1] - The anode features a first flat region, a second flat region, and a fourth flat region, while the cathode is positioned between the second and fourth flat regions [1] Industry Summary - The innovation addresses the thickness discrepancy at the head of the cell, which is a common issue in battery design, thereby potentially improving performance and reliability in lithium-ion batteries [1] - The development of this patent indicates ongoing advancements in battery technology, which is crucial for the electric vehicle and renewable energy sectors [1]
“小电驴打破各国美梦:在电池领域,无法绕过中国这座大山”
Guan Cha Zhe Wang· 2025-06-03 01:47
Group 1 - China maintains a dominant position in the global lithium battery market, while other countries are attempting to reduce their reliance on Chinese batteries. Sodium-ion batteries are seen as a potential shortcut for these countries, but data indicates that China will again lead in this field [1][2][13] - The widespread application of sodium-ion batteries in electric two-wheelers, known as "little electric donkeys," is noted, with prices ranging from $400 to $660 and rapid charging capabilities [1][4] - Chinese manufacturers, including Yadea, are at the forefront of sodium-ion battery production, indicating the rapid development of China's clean technology industry [1][2][5] Group 2 - China is among the first countries to launch sodium-powered vehicles, with CATL planning to mass-produce sodium-ion batteries for heavy trucks and cars under the new brand Naxtra [2][5] - The market for sodium-ion batteries is expected to grow significantly, with projections indicating that by 2030, 15% of China's electric two-wheelers will be powered by sodium-ion batteries, up from just 0.04% in 2023 [5][9] Group 3 - Sodium-ion batteries are considered safer than lithium-ion batteries due to their more stable chemical properties, which reduce the risk of overheating and combustion [10][11] - The global market for energy storage is anticipated to grow rapidly, with the International Energy Agency estimating that global energy storage capacity needs to increase nearly 35 times by 2030 to achieve net-zero emissions by 2050 [9] Group 4 - China holds nearly 60% of the global lithium refining capacity, while sodium is more abundant and easier to source, potentially lowering production costs and alleviating supply chain bottlenecks [10][11] - The development of sodium-ion batteries is seen as a strategic move for Chinese companies to maintain competitiveness in the global market, with significant advancements already made by companies like CATL [13][15]
珠海冠宇申请一种负极片和锂离子电池专利,能够减少负极边缘析锂和锂枝晶的生成
Jin Rong Jie· 2025-05-01 01:38
Group 1 - Zhuhai Guanyu Battery Co., Ltd. has applied for a patent titled "A Negative Electrode Sheet and Lithium-Ion Battery," with publication number CN119890219A, filed on December 2024 [1] - The patent aims to improve lithium-ion battery technology by providing a negative electrode sheet that reduces lithium plating and dendrite formation, enhances edge lithium plating window, and lowers the risk of thermal runaway caused by dendrite penetration [1] - The negative electrode sheet features a non-active material layer that replaces traditional ear protection glue, which can reduce the overall thickness of the battery cell and increase energy density [1] Group 2 - Zhuhai Guanyu Battery Co., Ltd. was established in 2007 and is primarily engaged in the manufacturing of electrical machinery and equipment [2] - The company has a registered capital of 1,121.857134 million RMB and has made investments in 10 enterprises [2] - The company has participated in 120 bidding projects and holds 3,050 patent records along with 42 trademark records and 376 administrative licenses [2]