Within the last two decades, lithium-ion batteries (LIBs) have emerged as the power source of choice in the high-performance rechargeable battery market. 1, 2 LIBs are high-capacity batteries that are able to store electricity converted from green energy sources (e.g., solar and wind power), and they can act as energy sources in pollution-free electric vehicles.
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 …
In this work, we report the effectiveness of laser structuring of ultra-thick electrodes for high-energy battery. Lithium cobalt-oxide cathode (700 μm) and graphite anode (650 μm) ... it is understood that little change occurs in the crystal structure of electrode materials during laser-material interactions for both LCO and graphite …
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 ( …
Request PDF | On Aug 15, 2023, Peter Smyrek and others published Laser materials processing in manufacturing of lithium-ion batteries | Find, read and cite all the research you need on ResearchGate
Carbon-covered silicon nanoparticles (Si@C) were synthesized for the first time by a one-step continuous process in a novel two stages laser pyrolysis reactor, allowing the use of such material as promising anode material in lithium-ion batteries (LIB). Carbon-covered silicon nanoparticles (Si@C) were synthesized for the first time by a one-step continuous …
Laser materials processing in manufacturing of LIB is a rather new technological approach, which enables rapid manufacturing, high reliability, and a …
MIT engineers led by Jennifer Rupp have developed a pulsed laser deposition technique to make thinner lithium electrolytes using less heat, ... Solid-state batteries are desirable because they replace …
1. Introduction1.1. Motivation. Lithium-ion batteries (LIBs) are currently the prevalent technical solution for electrochemical energy storage. Especially due to the rising number of electric vehicles, a significant increase in production capabilities for LIBs is expected in the next years [1], [2].A major drawback of current LIB technology is the …
To this end, lithium batteries with olivine LiFePO 4 (LFP) cathodes [3] have recently seen much attention due to their high energy density [4], inherent safety [5], [6], [7], ... Analysis of kerf quality on ultrafast laser cutting of anode material for lithium-ion battery. 2019, Optics and Lasers in Engineering ...
SnOx electrode thin films for lithium ion batteries were deposited by reactive and non-reactive rf magnetron sputtering of a SnO2 target in an argon–oxygen atmosphere. Amorphous and nano-crystalline SnOx films could be synthesized, with regard to the O2:Ar volume ratio in the sputter gas which was adjusted to 0, 3.5 or 10%. Laser …
Symmetric all-solid-state lithium metal batteries and liquid electrolyte lithium metal batteries were manufactured to test the electrochemical performance of laser-cleaned …
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 …
A significant increase in lithium-ion battery performances such as battery lifetime, high-rate capability and fast charging can be achieved by ultrafast laser …
The electrode coils were separated with a laser cutting module containing an automated material feed, an ytterbium fiber laser (YLP-HP-0.2-30-500-100-LT, IPG Photonics, USA), a three-axis laser scan head, a material fixation including a suction system, and a four-axis handling unit for moving the cut electrodes to a magazine.
The following parameter settings are recommended for the production with an Yb-fibre-laser (Èœ Yb = 1070 nm, M 2 = 2, d f = 50 nm). • Copper based anode material: Laser power P L = 100 W, scan velocity v c = 1.25 m/s, pulse frequency f L = 500 kHz, focal position Ç»z = -0.5 mm. • Aluminum based cathode material: Laser power …
The global technical trend of the automobile industry has been moving to environmental friendly. Typical gasoline cars will be replaced by green cars such as hydrogen, electric and hybrid cars. Therefore, the demand for battery cells is expected to increase remarkably. Welding and joining technologies are key technology for assembling …
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 of lithium-ion cells.
1 Introduction. Lithium-ion batteries (LIBs) have become an indispensable cornerstone of modern society, serving as electrochemical energy storage devices that power manifold technologies, most notably electric vehicles. [] Three decades of continuous technological improvements by materials research and engineering [] have advanced …
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 …
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