Lithium battery laser processing
Battery-grade lithium metal foils (China Energy Lithium, China) with a thickness of 50 μm were processed using a nanosecond-pulsed fiber laser (SP-200P-A-EP-Z-L-Y, TRUMPF formerly SPI, Germany) emitting radiation with a wavelength of 1060 nm. The laser source allowed the adjustment of the pulse waveform and enabled average … - Download [PDF]
Automated quality evaluation for laser cutting in lithium metal battery …
Battery-grade lithium metal foils (China Energy Lithium, China) with a thickness of 50 μm were processed using a nanosecond-pulsed fiber laser (SP-200P-A-EP-Z-L-Y, TRUMPF formerly SPI, Germany) emitting radiation with a wavelength of 1060 nm. The laser source allowed the adjustment of the pulse waveform and enabled average …
(PDF) Laser Processing of Liquid Feedstock Plasma-Sprayed Lithium …
By varying the laser power and laser processing speed, the energy input values were varied, with values of 3.8 J/mm2, 9.6 J/mm2, 765.9 J/mm2, and 1914.6 J/mm2, and their effects on some key ...
High Throughput Laser Processing for Enhanced Battery …
High Throughput Laser Processing for Enhanced Battery Performance and Manufacturing. AMMTO. Bertrand J. Tremolet de Villers and DonalFinegan, National Renewable Energy Laboratory, Golden, ... Wood, D. L., et al., "Prospects for reducing the processing cost of lithium ion batteries." Journal of Power Sources, 2015. [3] Dunlap et al.," Laser ...
Rapid electrolyte wetting of lithium-ion batteries containing laser ...
Laser structuring of the electrodes accelerated the wetting process even further, reducing the time to complete wetting by at least one order of magnitude. These findings present great potential for the reduction of the processing time and thereby the manufacturing costs of lithium-ion batteries.
Laser Technology for Energy-Efficient Production of …
Electrode layer applied to copper foil and dried with laser technology: Researchers at Fraunhofer ILT have halved the energy required for drying in the production of lithium-ion batteries. Whether they are …
Processing of Advanced Battery Materials—Laser …
Due to the increasing demand for high-performance cells for mobile applications, the standards of the performance of active materials and the efficiency of cell production strategies are rising. One promising …
Processing of a Large‐Scale Microporous Group on Copper Foil …
@article{Li2020ProcessingOA, title={Processing of a Large‐Scale Microporous Group on Copper Foil Current Collectors for Lithium Batteries Using Femtosecond Laser}, author={Quansheng Li and Xiaofei Sun and Wanqin Zhao and Xiangguo Hou and Yihua Zhang and Fei Zhao and Xindi Li and Xuesong Mei}, …
Overcoming the Energy vs Power Dilemma in Commercial Li-Ion …
1 · Figure 1. Schematic of laser patterning, its impact, and material characterization of channel formation and morphology in a 6 mAh/cm 2 high nickel NCA electrode. (a) …
Overview Of Laser Welding Process And Principle For Lithium-Ion Battery …
New design lithium battery laser welding machine . ... Among various welding methods, laser welding stands out for lithium-ion battery processing due to the following advantages: Firstly, laser welding offers high energy density, resulting in minimal welding deformation and a small heat-affected zone. This effectively enhances part …
Laser processing precision enables battery innovations
The firm has built a reputation for its design and manufacture of next-generation 3D silicon lithium-ion batteries (see Fig. 1). "Our process relies heavily on the unique capabilities and precision of laser patterning technology. Leveraging both industry gains in laser power, as well as proprietary advances in electrode processing …
Processing of a Large‐Scale Microporous Group on Copper Foil …
Due to the thin thickness (≈8 μm) and soft nature of copper foil current collectors, it is extremely difficult to process large‐scale micro–nano holes on their surface. In this study, trepanning drilling of a copper foil current collector with a 1030 nm femtosecond laser system is investigated with emphasis on developing the processing …
Surface Reconditioning of Lithium Metal Electrodes by Laser …
The contamination layer removal translated into interfacial resistance reductions of 35% and 44% when testing laser-cleaned lithium metal anodes in …
Laser processing lithium-ion battery anode
Download Citation | On Dec 16, 2022, Xiaomao Luo and others published Laser processing lithium-ion battery anode | Find, read and cite all the research you need on ResearchGate
Laser materials processing in manufacturing of lithium-ion batteries
A significant increase in lithium-ion battery performances such as battery lifetime, high-rate capability and fast charging can be achieved by ultrafast laser structuring of composite electrodes. Therefore, laser materials processing and its upscaling in battery manufacturing is currently attracting huge attention as there is an increasing …
Integration of laser structuring into the electrode manufacturing ...
Challenges, laser processing and electrochemical characteristics on application of ultra-thick electrode for high-energy lithium-ion battery J. Power Sources, 482 ( 2021 ), Article 228948, 10.1016/j.jpowsour.2020.228948
Laser-based three-dimensional manufacturing technologies …
Laser three-dimensional (3D) manufacturing technologies have gained substantial attention to fabricate 3D structured electrochemical rechargeable batteries. Laser 3D manufacturing techniques offer excellent 3D microstructure controllability, good design flexibility, process simplicity, and high energy and cost efficiencies, which are …
Laser cutting of silicon anode for lithium-ion batteries
1. Introduction. Lithium-ion batteries (LIBs), which are secondary rechargeable batteries are one of the most important energy storage technologies playing a significant role in the development of electronic devices, electric vehicles, house appliances, and energy storage as a result the demand for them is increasing rapidly [[1], [2], [3], …
A groovy laser processing route to achieving high power and …
1. Introduction. Lithium-ion batteries (LIBs) nowadays are ubiquitous energy storage devices and are widely adopted in portable electronic devices, electric transportation and even grid-scale energy storage [1].LIBs play a pivotal role in advancing electrification and achieving our Net Zero goal by 2050 [2, 3].However, the energy and …
Laser-structured microarray electrodes for durable stretchable lithium …
Lithium-ion batteries (LIBs) ... Besides, after calculation based on the actual loading of active materials after laser processing, the discharge capacities for the pristine electrode, SL400-LTO, SL260-LTO, SL120-LTO, and SL50-LTO samples were 51, 61, 62, 64 and 68 mAh/g at 5C, respectively. The above results prove the importance of …
Enhanced performance and lifetime of lithium-ion batteries by …
In this work, the influence of laser structuring of graphite anodes on the electrochemical performance characteristics of lithium-ion batteries is comprehensively …
Industrial Laser Solutions for the Battery Industry | Laserax
Industrial Laser Solutions for the Battery Industry The world is moving away from fossil fuel dependency, causing a rapid rise in the demand for lithium-ion batteries. Laser technology is a pillar in this transition, helping the battery industry improve its cost-effectiveness, production cycle times, and battery performance. As a green technology, …
Surface Reconditioning of Lithium Metal Electrodes by Laser …
Symmetric all-solid-state lithium metal batteries and liquid electrolyte lithium metal batteries were manufactured to test the electrochemical performance of laser-cleaned lithium metal electrodes. The 2032-type coin cells were manually assembled in a glovebox (GS MEGA E-LINE, GS Glovebox, Germany) under an argon atmosphere ( c H20 < 1.0 …
Laser Processing of Solid-State Lithium Batteries
To address known performance issues, we are developing advanced manufacturing processing techniques based on laser sintering and ablation that will yield scalable, low …
Automated geometry characterization of laser-structured battery ...
Micro structuring of battery electrodes with pulsed laser radiation substantially increases the performance of lithium-ion batteries. For process design and monitoring, determining the resulting hole diameters and depths is essential. This study presents an automated, model-based approach for the geometry characterization of …
A review of laser electrode processing for development …
Laser processes for cutting, annealing, structuring, and printing of battery materials have a great potential in order to minimize the fabrication costs and to increase the electrochemical performance and operational lifetime …
Processing of Advanced Battery Materials—Laser …
The continuous development of electric mobility, driven by the automotive industry, is leading to increasing standards for lithium-ion batteries, in terms of safety, cycling stability, specific energy and energy …
Process strategies for laser cutting of electrodes in lithium-ion ...
The growing competition in electric mobility is leading to an increased demand for inexpensive, high-performance lithium-ion batteries. In order to meet both ob. ... ICALEO 2012, 31st International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing, Anaheim, CA, 23–27 September 2012
Surface Reconditioning of Lithium Metal Electrodes by Laser …
Symmetric all-solid-state lithium metal batteries and liquid electrolyte lithium metal batteries were manufactured to test the electrochemical performance of laser-cleaned lithium metal electrodes. The 2032-type coin cells were manually assembled in a glovebox (GS MEGA E-LINE, GS Glovebox, Germany) under an argon atmosphere ( …
Laser processing of thick Li(NiMnCo)O2 electrodes for lithium-ion batteries
Lithium-ion batteries became the most promising types of mobile energy storage devices due to their high gravimetric and volumetric capacity, high cycle life-time, and low self-discharge. Nowadays, the cathode material lithium nickel manganese cobalt oxide (NMC) is one of the most widely used cathode material in commercial lithium-ion batteries due to …
Effect of Fluence and Multi-Pass on Groove Morphology and …
Recently, laser processing has been partially applied in battery manufacturing, such as electrode cutting and battery tab and case welding, because it is possible to obtain a precise and fast process with high energy density [9,10,11,12,13,14,15,16,17,18]. In addition, laser processing has been reported as a …
Recent progress in laser texturing of battery materials: a review of ...
Laser processes for cutting, annealing, and structuring battery materials show great potential for battery mass production and have been further developed to …