{"id":1368,"date":"2024-08-26T16:39:33","date_gmt":"2024-08-26T16:39:33","guid":{"rendered":"https:\/\/novanta.com\/precision-manufacturing\/?post_type=novanta_tech_paper&#038;p=1368"},"modified":"2026-06-26T13:14:47","modified_gmt":"2026-06-26T13:14:47","slug":"laser-remote-cutting-of-anode-battery-foil-a-comparison-of-different-laser-setups","status":"publish","type":"novanta_tech_paper","link":"https:\/\/novanta.com\/precision-manufacturing\/resources\/whitepapers\/laser-remote-cutting-of-anode-battery-foil-a-comparison-of-different-laser-setups\/","title":{"rendered":"Laser Remote Cutting of Anode Battery Foil: A Comparison of Different Laser Setups"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-technical-paper-overview\">Technical Paper Overview<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-specifying-laser-scan-head-for-ev-battery-anode-foil-cutting-scan-head-architecture-not-laser-brand-decides-ev-battery-line-throughput-at-meters-per-second\"><strong>Specifying Laser + Scan Head for EV Battery Anode Foil Cutting<\/strong><br><em>Scan-head architecture, not laser brand, decides EV battery line throughput at meters per second.<\/em><\/h3>\n\n\n\n<p>EV cell production runs roll-to-roll at meters per second, and the line manager isn&#8217;t buying &#8220;a laser&#8221; \u2014 they&#8217;re buying an integrated cutting sub-system where the scan head, F-Theta lens, and laser source either deliver throughput together or compromise each other. Specify the wrong scan-head architecture or the wrong F-Theta focal length and you cap your m\/s before the laser source ever becomes the bottleneck. Specify the wrong laser modality (CW vs ns vs ps) and you trade burr quality against cell-stability risk for the life of the line.<\/p>\n\n\n\n<p>This technical paper documents the full CW \/ ns \/ ps benchmark on coated copper anode (100-150 \u00b5m) through Novanta&#8217;s FIREFLY3D digital 3-axis and VERSIA hybrid 2-axis scan heads \u2014 and pairs naturally with Novanta&#8217;s companion&nbsp;<strong>Hairpin Stripping<\/strong>&nbsp;paper for the motor-side of EV production, where the Chameleon dual-wavelength scan head and Firestar i401 CO\u2082 + fiber two-step process complete the laser-line capability map for both cell and stator manufacturing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-include\">Key takeaways include:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Why scan-head architecture is the EV-line lever buyers underweight \u2014 digital 3-axis (FIREFLY3D) and hybrid (VERSIA) selection decides what your downstream lens choices can do<\/li>\n\n\n\n<li>How F-Theta selection wins or loses the spec sheet: longer focal length = larger spot but longer Rayleigh length = process stability under real-world foil tolerances<\/li>\n\n\n\n<li>When CW fiber is right for your line, when ns delivers the speed-quality middle, and when ps is the only acceptable answer for cell-stability-critical premium cells<\/li>\n\n\n\n<li>What single-vendor EV laser coverage looks like in practice: anode\/cathode cell cutting + hairpin stator stripping + scan-head + control infrastructure under one ecosystem<\/li>\n\n\n\n<li>A practical procurement framing: don&#8217;t spec lasers in isolation \u2014 spec laser-lens-scan-head as one sub-system, and audit the vendor on both cell-side and motor-side application proof<\/li>\n<\/ul>\n\n\n\n<p id=\"h-\">Download the full technical paper for the side-by-side microscopy of cut entrance and exit sides across all four laser setups, the laser scanning microscope burr and clearance profiles, and the qualitative ranking matrix \u2014 plus cross-reference the&nbsp;<strong>Hairpin Stripping<\/strong>&nbsp;companion paper for the motor-side process \u2014 before specifying a battery-line laser-and-scan-head package on average power alone.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This paper explores remote laser cutting techniques for anode electrode materials in battery cells\u00a0for e-mobility usage, assessing high brilliance laser performance in different operational modes and setups.<\/p>\n","protected":false},"author":342,"featured_media":1014,"template":"","meta":{"_acf_changed":false,"show_table_of_content":true},"class_list":["post-1368","novanta_tech_paper","type-novanta_tech_paper","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.4) - 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