 {"id":5441,"date":"2025-12-25T14:39:38","date_gmt":"2025-12-25T06:39:38","guid":{"rendered":"https:\/\/oqitop.com\/?post_type=product&#038;p=5441"},"modified":"2026-03-25T14:41:42","modified_gmt":"2026-03-25T06:41:42","slug":"custom-lithium-battery-electrolytic-copper-foil-single-double-sided-pure-copper","status":"publish","type":"product","link":"https:\/\/oqitop.com\/pt\/custom-lithium-battery-electrolytic-copper-foil-single-double-sided-pure-copper\/","title":{"rendered":"Custom Lithium Battery Electrolytic Copper Foil Single &#038; Double Sided Pure Copper"},"content":{"rendered":"<h3 style=\"text-align: center;\"><span style=\"color: #ff0000;\">Custom Lithium Battery Electrolytic Copper Foil Single &amp; Double Sided Pure Copper<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/TriHPp-oulo?rel=0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<p><strong>Premium Electrolytic Copper Foils \u2013 Ultra-Thin &amp; High Purity Solutions<\/strong><\/p>\n<p>Discover our extensive range of high-quality electrolytic copper foils, specifically engineered to meet the stringent demands of modern electronic applications. From ultra-thin 4-micron sheets to versatile 6-micron and 8-micron options, our pure copper foils deliver exceptional electrical conductivity, superior thermal dissipation, and outstanding mechanical properties. Whether you require materials for advanced <strong>lithium-ion batteries<\/strong>, intricate <strong>flexible printed circuit boards (FPC)<\/strong>, precise <strong>EMI\/RFI shielding<\/strong>, or high-performance <strong>PCBs<\/strong>, our electrolytic copper foils are the ideal choice.<\/p>\n<p><strong>Key Features &amp; Benefits:<\/strong><\/p>\n<ul>\n<li><strong>Ultra-High Purity Copper:<\/strong>\u00a0Manufactured from pure copper (typically 99.9%+) to ensure optimal electrical and thermal performance.<\/li>\n<li><strong>Precise Thickness Control:<\/strong>\u00a0Available in ultra-thin gauges such as 4\u00b5m, 6\u00b5m, and 8\u00b5m, providing consistent and uniform thickness across the entire roll.<\/li>\n<li><strong>Superior Conductivity:<\/strong>\u00a0Excellent electrical conductivity makes it perfect for transmitting signals and power efficiently.<\/li>\n<li><strong>Exceptional Flexibility &amp; Ductility:<\/strong>\u00a0Ideal for flexible circuits and applications requiring bending or forming without cracking.<\/li>\n<li><strong>Smooth Surface (Single-Light\/Single-Sided Foils):<\/strong>\u00a0Our single-light electrolytic copper foils feature one side with a highly smooth, uniform surface, crucial for fine-line circuitry and optimal lamination.<\/li>\n<li><strong>High Tensile Strength:<\/strong>\u00a0Robust mechanical properties ensure durability and reliable processing.<\/li>\n<li><strong>Excellent Adhesion Properties:<\/strong>\u00a0Designed for optimal bonding with various substrates and laminates.<\/li>\n<li><strong>Corrosion Resistance:<\/strong>\u00a0Offers good resistance to oxidation and environmental factors, enhancing product lifespan.<\/li>\n<li><strong>RoHS &amp; REACH Compliant:<\/strong>\u00a0Ensures environmental safety and regulatory compliance.<\/li>\n<\/ul>\n<p><strong>Common Applications:<\/strong><\/p>\n<ul>\n<li><strong>Lithium-ion Batteries:<\/strong>\u00a0Anode current collectors in EV batteries, portable electronics, and energy storage systems. (Especially 4um, 6um copper foil)<\/li>\n<li><strong>Flexible Printed Circuit Boards (FPC\/Flex PCBs):<\/strong>\u00a0Base material for flexible circuits used in smartphones, wearables, and medical devices.<\/li>\n<li><strong>Printed Circuit Boards (PCBs):<\/strong>\u00a0Essential component for multi-layer PCBs, contributing to signal integrity and heat management.<\/li>\n<li><strong>EMI\/RFI Shielding:<\/strong>\u00a0Effective for electromagnetic interference and radio-frequency interference shielding in electronic devices.<\/li>\n<li><strong>Transformers &amp; Inductors:<\/strong>\u00a0Used in winding applications for efficient power conversion.<\/li>\n<li><strong>Heat Sinks &amp; Heat Dissipation:<\/strong>\u00a0Superior thermal conductivity makes it suitable for managing heat in electronic components.<\/li>\n<li><strong>Connectors &amp; Busbars:<\/strong>\u00a0For various electrical interconnections.<\/li>\n<li><strong>Capacitors:<\/strong>\u00a0As electrodes in high-performance capacitors.<\/li>\n<\/ul>\n<p><strong>Technical Specifications (Typical Values &#8211; Please contact us for exact specifications based on your order):<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th align=\"left\">Parameter<\/th>\n<th align=\"left\">Typical Value Range<\/th>\n<th align=\"left\">Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\"><strong>Material<\/strong><\/td>\n<td align=\"left\">Pure Electrolytic Copper (Purple Copper)<\/td>\n<td align=\"left\">Cu \u2265 99.9%<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Thickness Options<\/strong><\/td>\n<td align=\"left\">4 \u00b5m, 6 \u00b5m, 8 \u00b5m, 12 \u00b5m, 18 \u00b5m, 35 \u00b5m, 70 \u00b5m, etc.<\/td>\n<td align=\"left\">Customizable to specific project requirements<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Densidade<\/strong><\/td>\n<td align=\"left\">8.94 g\/cm\u00b3<\/td>\n<td align=\"left\">Standard copper density<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/strong><\/td>\n<td align=\"left\">200-450 MPa (Melted) \/ 250-550 MPa (Annealed)<\/td>\n<td align=\"left\">Varies by temper and thickness<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Elongation<\/strong><\/td>\n<td align=\"left\">2% &#8211; 30%<\/td>\n<td align=\"left\">Varies by temper and thickness; higher for annealed foil<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Pureza<\/strong><\/td>\n<td align=\"left\">\u2265 99.9% (Oxygen-Free Copper)<\/td>\n<td align=\"left\">Ultra-high purity for optimal performance<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Surface Roughness<\/strong><\/td>\n<td align=\"left\">Rz &lt; 3.0 \u00b5m (Single-Light\/Matte side)<\/td>\n<td align=\"left\">Crucial for adhesion and fine-line circuitry (for single-light foils)<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Largura<\/strong><\/td>\n<td align=\"left\">10 mm &#8211; 1290 mm<\/td>\n<td align=\"left\">Customizable slit widths available<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Comprimento<\/strong><\/td>\n<td align=\"left\">100 m &#8211; 5000 m (or custom reel length)<\/td>\n<td align=\"left\">Standard rolls or custom specified<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Temper<\/strong><\/td>\n<td align=\"left\">Annealed (Soft), Hard<\/td>\n<td align=\"left\">Soft temper for flexibility, hard temper for rigidity<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Peel Strength<\/strong><\/td>\n<td align=\"left\">Varies by substrate<\/td>\n<td align=\"left\">Critical for lamination processes (e.g., with PI film)<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Padr\u00e3o<\/strong><\/td>\n<td align=\"left\">IPC-4562, ASTM B683<\/td>\n<td align=\"left\">Industry standards for copper foil<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Customization &amp; Quality Assurance:<\/strong> We offer customizable dimensions, thickness tolerances, and surface treatments to perfectly match your project&#8217;s unique requirements. Our manufacturing process adheres to strict quality control standards, ensuring consistent performance and reliability for every roll of copper foil.<\/p>\n<p><b><strong>Para personalizar v\u00e1rias folhas de metal, por favor clique na imagem abaixo para obter detalhes\uff1a<\/strong><\/b><\/p>\n<div class=\"table-responsive\">\n<table>\n<tbody>\n<tr>\n<td>&nbsp;<\/p>\n<figure id=\"attachment_3927\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-3927\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/copper-foil\/\"><img decoding=\"async\" class=\"size-thumbnail wp-image-3927\" title=\"Folha de prata de alto desempenho Condutividade Folha de metal Ag Folha de prata de alto desempenho Condutividade Folha de metal Ag 1\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Copper-Foil-1-150x150.jpg\" sizes=\"(max-width: 150px) 100vw, 150px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Copper-Foil-1-150x150.jpg 150w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Copper-Foil-1.jpg 300w\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-3927\" class=\"wp-caption-text\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/copper-foil\/\">Folha de cobre<\/a><\/figcaption><\/figure>\n<\/td>\n<td>&nbsp;<\/p>\n<figure id=\"attachment_3928\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-3928\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/aluminum-foil\/\"><img decoding=\"async\" class=\"size-thumbnail wp-image-3928\" title=\"Folha de prata de alto desempenho Condutividade Folha de metal Ag Folha de prata de alto desempenho Condutividade Folha de metal Ag 2\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Aluminum-Foil-1-150x150.jpg\" sizes=\"(max-width: 150px) 100vw, 150px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Aluminum-Foil-1-150x150.jpg 150w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Aluminum-Foil-1.jpg 300w\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-3928\" class=\"wp-caption-text\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/aluminum-foil\/\">Folha de alum\u00ednio<\/a><\/figcaption><\/figure>\n<\/td>\n<td>&nbsp;<\/p>\n<figure id=\"attachment_3929\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-3929\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/stainless-steel-foil\/\"><img decoding=\"async\" class=\"size-thumbnail wp-image-3929\" title=\"Folha de prata de alto desempenho Condutividade Folha de metal Ag Folha de prata de alto desempenho Condutividade Folha de metal Ag 3\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Stainless-Steel-Foil-150x150.jpg\" sizes=\"(max-width: 150px) 100vw, 150px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Stainless-Steel-Foil-150x150.jpg 150w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Stainless-Steel-Foil.jpg 300w\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-3929\" class=\"wp-caption-text\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/stainless-steel-foil\/\">Folha de a\u00e7o inoxid\u00e1vel<\/a><\/figcaption><\/figure>\n<\/td>\n<td>&nbsp;<\/p>\n<figure id=\"attachment_3930\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-3930\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/tin-foil\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-3930\" title=\"Folha de prata de alto desempenho Condutividade Folha de metal Ag Folha de prata de alto desempenho Condutividade Folha de metal Ag 4\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Tin-Foil-150x150.jpg\" sizes=\"(max-width: 150px) 100vw, 150px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Tin-Foil-150x150.jpg 150w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Tin-Foil.jpg 300w\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-3930\" class=\"wp-caption-text\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/tin-foil\/\">Papel alum\u00ednio<\/a><\/figcaption><\/figure>\n<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<figure id=\"attachment_3931\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-3931\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/titanium-foil\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-3931\" title=\"Folha de prata de alto desempenho Condutividade Folha de metal Ag Folha de prata de alto desempenho Condutividade Folha de metal Ag 5\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Titanium-Foil-150x150.jpg\" sizes=\"(max-width: 150px) 100vw, 150px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Titanium-Foil-150x150.jpg 150w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Titanium-Foil.jpg 300w\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-3931\" class=\"wp-caption-text\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/titanium-foil\/\">Folha de tit\u00e2nio<\/a><\/figcaption><\/figure>\n<\/td>\n<td>&nbsp;<\/p>\n<figure id=\"attachment_3932\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-3932\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/folha-de-niquel\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-3932\" title=\"Folha de prata de alto desempenho Condutividade Folha de metal Ag Folha de prata de alto desempenho Condutividade Folha de metal Ag 6\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Nickel-Foil-150x150.jpg\" sizes=\"(max-width: 150px) 100vw, 150px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Nickel-Foil-150x150.jpg 150w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Nickel-Foil.jpg 300w\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-3932\" class=\"wp-caption-text\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/folha-de-niquel\/\">Folha de n\u00edquel<\/a><\/figcaption><\/figure>\n<\/td>\n<td>&nbsp;<\/p>\n<figure id=\"attachment_3933\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-3933\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/folha-de-niquel\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-3933\" title=\"Folha de prata de alto desempenho Condutividade Folha de metal Ag Folha de prata de alto desempenho Condutividade Folha de metal Ag 7\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Silver-Foil-150x150.jpg\" sizes=\"(max-width: 150px) 100vw, 150px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Silver-Foil-150x150.jpg 150w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Silver-Foil.jpg 300w\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-3933\" class=\"wp-caption-text\"><a href=\"https:\/\/oqitop.com\/pt\/produtos\/folha-metalica\/folha-de-niquel\/\">Folha de prata<\/a><\/figcaption><\/figure>\n<\/td>\n<td>&nbsp;<\/p>\n<figure id=\"attachment_3934\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-3934\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-3934\" title=\"Folha de prata de alto desempenho Condutividade Folha de metal Ag Folha de prata de alto desempenho Condutividade Folha de metal Ag 8\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Tin-Foil-1-150x150.jpg\" sizes=\"(max-width: 150px) 100vw, 150px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Tin-Foil-1-150x150.jpg 150w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/Tin-Foil-1.jpg 300w\" alt=\"\" width=\"150\" height=\"150\" \/><figcaption id=\"caption-attachment-3934\" class=\"wp-caption-text\">Papel alum\u00ednio<\/figcaption><\/figure>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3613\" title=\"High Conductivity Cu Foil and Thermal Properties Purple Copper Foil 1\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/5-15.jpg\" sizes=\"(max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/5-15.jpg 1024w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/5-15-300x225.jpg 300w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/5-15-768x576.jpg 768w\" alt=\"\" width=\"1024\" height=\"768\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3614\" title=\"High Conductivity Cu Foil and Thermal Properties Purple Copper Foil 2\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/6-10.jpg\" sizes=\"(max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/6-10.jpg 1024w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/6-10-300x225.jpg 300w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/6-10-768x576.jpg 768w\" alt=\"\" width=\"1024\" height=\"768\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3615\" title=\"High Conductivity Cu Foil and Thermal Properties Purple Copper Foil 3\" src=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/55555-11-7.jpg\" sizes=\"(max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/55555-11-7.jpg 1024w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/55555-11-7-300x198.jpg 300w, https:\/\/oqitop.com\/wp-content\/uploads\/2025\/12\/55555-11-7-768x508.jpg 768w\" alt=\"\" width=\"1024\" height=\"677\" \/><\/p>\n<\/div>","protected":false},"featured_media":5442,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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