{"id":2164,"date":"2023-05-09T16:48:29","date_gmt":"2023-05-09T08:48:29","guid":{"rendered":"https:\/\/www.qualitester.com\/?p=2164"},"modified":"2023-08-29T15:15:44","modified_gmt":"2023-08-29T07:15:44","slug":"battery-separator-testing-for-lithium-batteries","status":"publish","type":"post","link":"https:\/\/www.qualitester.com\/nb\/battery-separator-testing-for-lithium-batteries\/","title":{"rendered":"Testing av batteriseparatorer for litiumbatterier"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2164\" class=\"elementor elementor-2164\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8b76ce8 e-flex e-con-boxed e-con e-parent\" data-id=\"8b76ce8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-864800f elementor-widget elementor-widget-text-editor\" data-id=\"864800f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cb3f527 e-flex e-con-boxed e-con e-parent\" data-id=\"cb3f527\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd3bb80 elementor-widget elementor-widget-text-editor\" data-id=\"bd3bb80\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The separator is an important part of the lithium battery. The separator is electronically insulating to avoid short-circuits; at the same time, it has ion conductivity to ensure the electrochemical performance of the battery. The diaphragm has a significant impact on the capacity, cycle performance, charge-discharge rate, etc. of the battery; especially has a greater impact on the safety of the battery. Therefore, the quality of the battery separator directly affects the overall performance of the battery. We can use some measurable physical and chemical indicators and electrochemical indicators to judge the impact on battery performance.<\/p><p>\u00a0<\/p><p>In 2018, the National Alkaline Battery Standardization Technical Committee and China Chemical and Physical Power Industry Association organized relevant enterprises to formulate the national standard &#8220;Polyolefin Separator for Lithium-ion Batteries&#8221; (standard number: GB\/T36363-2018), which will be released in 2019 It will come into effect on January 1.<\/p><p>The label stipulates the requirements, test methods, inspection rules and other information of polyolefin separators for lithium-ion batteries. According to the standard requirements, some key test items are sorted out.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7916866 e-flex e-con-boxed e-con e-parent\" data-id=\"7916866\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44fde46 elementor-widget elementor-widget-text-editor\" data-id=\"44fde46\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>Tensile strength\/elongation at break<\/strong><\/p><p>The current measurement standards for tensile strength and elongation at break are generally based on &#8220;GB\/T 1040.3 Testing of Plastic Tensile Properties&#8221;. The requirements for tensile testing machines in the standard are as follows: Speed: meet the following speeds 5, 50, 100, 200 , 300, 500mm\/min requirements, the test speed is 250mm\/min.<\/p><p>Specimen width: 15mm Gripper distance: 100mm<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-177eaa6 e-flex e-con-boxed e-con e-parent\" data-id=\"177eaa6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ff77ed4 elementor-widget elementor-widget-image\" data-id=\"ff77ed4\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Tensile-Tester-TST-01-Right-view.jpg\" class=\"attachment-large size-large wp-image-56\" alt=\"\" srcset=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Tensile-Tester-TST-01-Right-view.jpg 750w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Tensile-Tester-TST-01-Right-view-300x300.jpg 300w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Tensile-Tester-TST-01-Right-view-100x100.jpg 100w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Tensile-Tester-TST-01-Right-view-600x600.jpg 600w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Tensile-Tester-TST-01-Right-view-150x150.jpg 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6b0181b e-flex e-con-boxed e-con e-parent\" data-id=\"6b0181b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a4c3ffe elementor-widget elementor-widget-text-editor\" data-id=\"a4c3ffe\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h5>TST-01 Strekkpr\u00f8vetester<\/h5>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-15ac68a e-flex e-con-boxed e-con e-parent\" data-id=\"15ac68a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8fec995 elementor-widget elementor-widget-text-editor\" data-id=\"8fec995\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>\u00a0Punkteringsstyrke<\/strong><\/p><p>Puncture strength test requirements: the resolution of the load sensor of the testing machine is 0.01N; the puncture needle: \u03c6=1.0mm, the tip is spherical R=0.5mm; the sample fixing fixture: the inner diameter is 10mm. After the sample is clamped, it is punctured at a speed of 100mm\/min. The unit of puncture strength is Newtons per micron (N\/\u03bcm).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3386db1 e-flex e-con-boxed e-con e-parent\" data-id=\"3386db1\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d17f7c7 elementor-widget elementor-widget-text-editor\" data-id=\"d17f7c7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>Varmekrympingshastighet<\/strong><\/p><p>Thermal shrinkage refers to the dimensional change of the battery separator before and after heating.<\/p><p>Experimental method: Cut 3 pieces of 100mm\u00d7100mm square diaphragm from the longitudinal direction of the roll film, put the stainless steel plate and two pieces of quantitative filter paper in the middle of the oven, and control the temperature to 90\u00b0C or 120\u00b0C. 90\u00b0C for 2 hours and 120\u00b0C for 1 hour. Return to room temperature after heating. Shrinkage is calculated based on the change in length across the longitudinal direction.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dbe08fa e-flex e-con-boxed e-con e-parent\" data-id=\"dbe08fa\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd34187 elementor-widget elementor-widget-wpforms\" data-id=\"bd34187\" data-element_type=\"widget\" data-widget_type=\"wpforms.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"wpforms-container\" id=\"wpforms-11\"><form id=\"wpforms-form-11\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"11\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/nb\/wp-json\/wp\/v2\/posts\/2164\" data-token=\"04df857188661b35ec3ce44c64e02aa2\" data-trp-original-action=\"\/nb\/wp-json\/wp\/v2\/posts\/2164\"><noscript class=\"wpforms-error-noscript\">Vennligst aktiver JavaScript i nettleseren din for \u00e5 fylle ut dette skjemaet.<\/noscript><div class=\"wpforms-field-container\"><div id=\"wpforms-11-field_1-container\" class=\"wpforms-field wpforms-field-text\" data-field-id=\"1\"><label class=\"wpforms-field-label\" for=\"wpforms-11-field_1\">Navn <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-11-field_1\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][1]\" placeholder=\"Navn\" required><\/div><div id=\"wpforms-11-field_5-container\" class=\"wpforms-field wpforms-field-text\" data-field-id=\"5\"><label class=\"wpforms-field-label\" for=\"wpforms-11-field_5\">Selskap<\/label><input type=\"text\" id=\"wpforms-11-field_5\" class=\"wpforms-field-medium\" name=\"wpforms[fields][5]\" ><\/div><div id=\"wpforms-11-field_4-container\" class=\"wpforms-field wpforms-field-number\" data-field-id=\"4\"><label class=\"wpforms-field-label\" for=\"wpforms-11-field_4\">Telefon<\/label><input type=\"number\" pattern=\"\\d*\" id=\"wpforms-11-field_4\" class=\"wpforms-field-medium\" name=\"wpforms[fields][4]\" placeholder=\"Telefon\" ><\/div><div id=\"wpforms-11-field_3-container\" class=\"wpforms-field wpforms-field-email\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-11-field_3\">E-post <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"email\" id=\"wpforms-11-field_3\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][3]\" placeholder=\"E-post\" spellcheck=\"false\" required><\/div><div id=\"wpforms-11-field_2-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-11-field_2\">Melding<\/label><textarea id=\"wpforms-11-field_2\" class=\"wpforms-field-large\" name=\"wpforms[fields][2]\" ><\/textarea><\/div><\/div><!-- .wpforms-field-container --><input type=\"hidden\" name=\"wpforms[recaptcha]\" value=\"\"><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"11\"><input type=\"hidden\" name=\"wpforms[author]\" value=\"3\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-11\" class=\"wpforms-submit\" data-alt-text=\"Submitting\" data-submit-text=\"Submit\" aria-live=\"assertive\" value=\"wpforms-submit\">Send inn<\/button><img decoding=\"async\" src=\"https:\/\/www.qualitester.com\/wp-content\/plugins\/wpforms-lite\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Lasting\"><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"nb\"\/><\/form><\/div>  <!-- .wpforms-container -->\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Separatoren er en viktig del av litiumbatteriet. Separatoren er elektronisk isolerende for \u00e5 unng\u00e5 kortslutninger; samtidig har den ionekonduktivitet for \u00e5 sikre batteriets elektrokjemiske ytelse. Membranen har en betydelig innvirkning p\u00e5 batteriets kapasitet, syklusytelse, ladeutladningshastighet osv.<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/nb\/battery-separator-testing-for-lithium-batteries\/\"> <span class=\"screen-reader-text\">Testing av batteriseparatorer for litiumbatterier<\/span> Les mer \"<\/a><\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[1],"tags":[323,276,322,321,286],"class_list":["post-2164","post","type-post","status-publish","format-standard","hentry","category-test-method","tag-heat-shrinkage-rate","tag-lithium-batteries","tag-puncture-strength","tag-tensile-elongation","tag-tensile-strength"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/posts\/2164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/comments?post=2164"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/posts\/2164\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/media?parent=2164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/categories?post=2164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qualitester.com\/nb\/wp-json\/wp\/v2\/tags?post=2164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}