{"id":22461,"date":"2025-11-24T13:50:15","date_gmt":"2025-11-24T12:50:15","guid":{"rendered":"https:\/\/shimadzu-testing.com\/?p=22461"},"modified":"2025-11-24T15:41:38","modified_gmt":"2025-11-24T14:41:38","slug":"temperature-dependence-of-puncture-strength-of-separators","status":"publish","type":"post","link":"https:\/\/shimadzu-testing.com\/en\/know-how\/compression-testing\/temperature-dependence-of-puncture-strength-of-separators\/","title":{"rendered":"Temperature Dependence of Puncture Strength of Separators"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"22461\" class=\"elementor elementor-22461\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e15197 e-flex e-con-boxed e-con e-parent\" data-id=\"4e15197\" 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-a8c5eeb elementor-widget elementor-widget-text-editor\" data-id=\"a8c5eeb\" 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\t\t<h2>User Benefits<\/h2><ul><li>Strength can be measured under actual temperature environments by using a thermostatic chamber.<\/li><li>A simple fixing method with nuts is used, so it is easy to install and remove the sample from the jig.<\/li><li>When the AGS-V is used, strength tests can be conveniently performed with excellent precision.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d36498 elementor-widget elementor-widget-text-editor\" data-id=\"9d36498\" 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\t\t<h2><strong>Introduction<\/strong><\/h2><p>Lithium-ion batteries are used in a wide variety of fields in modern society, such as mobile phones, notebook computers, and electric vehicles, and the high energy density and long life of this important technology support our lifestyles. One of the most important issues in developing this technology is ensuring the safety of lithium-ion batteries. In particular, the separator within the battery prevents short circuits by physically separating the cathode and the anode, so it plays an important role in maintaining the normal operation of the battery. If the separator is damaged, the cathode and the anode can come into direct contact, causing a short circuit. Short circuits cause rapid heating within batteries, which can lead to fires and explosions. Since separator damage can be caused by various external factors, such as dendrites (dendritic crystals), mechanical impacts, and overloads, evaluating these factors is key to improving safety. Puncture testing, which is widely used to evaluate the strength of separators, quantitatively measures durability and strength properties by applying a load to a separator at a constant speed and measuring the occurrence of puncture failure. This article introduces an example of performing puncture tests on the separator of a lithium-ion battery while varying the environmental temperature.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-413e636 e-grid e-con-full e-con e-child\" data-id=\"413e636\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2206f5f elementor-widget elementor-widget-image\" data-id=\"2206f5f\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-test-conditions.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"universal-testing-machine-ags-v-test-conditions\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjI0NjAsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL3VuaXZlcnNhbC10ZXN0aW5nLW1hY2hpbmUtYWdzLXYtdGVzdC1jb25kaXRpb25zLmpwZyJ9\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"290\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-test-conditions-768x290.jpg\" class=\"attachment-medium_large size-medium_large wp-image-22460\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f029c7 elementor-widget elementor-widget-image\" data-id=\"7f029c7\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-test-cage-type-jig-shimadzu.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"universal-testing-machine-ags-v-test-cage-type-jig-shimadzu\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjI0NTksInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL3VuaXZlcnNhbC10ZXN0aW5nLW1hY2hpbmUtYWdzLXYtdGVzdC1jYWdlLXR5cGUtamlnLXNoaW1hZHp1LmpwZyJ9\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"618\" height=\"724\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-test-cage-type-jig-shimadzu.jpg\" class=\"attachment-medium_large size-medium_large wp-image-22459\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8a87f17 e-con-full e-flex e-con e-child\" data-id=\"8a87f17\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-daa8d75 e-con-full e-flex e-con e-child\" data-id=\"daa8d75\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0c16eca elementor-widget elementor-widget-text-editor\" data-id=\"0c16eca\" 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\t\t<h2>Equipment Configuration<\/h2><p>The equipment configuration is shown in Table 1. The test was performed using the AGS-V precision universal testing machine and a boil-in-bag piercing test jig. This jig is simply fixed using nuts, so it is easy to install and remove the samples. The tests were performed in a chamber using a cage-type jig. When tests are performed in a thermostatic chamber, the jig is connected via a long rod, so there is a possibility of buckling due to the compressive load. The cage-type jig is a jig for performing compression tests in which load is applied when it is actuated in the tensile direction (Fig. 1). Compression tests are performed by moving the blue part upward, with the green part fixed. Therefore, the tests can be performed without buckling occurring due to the load. The test conditions are shown in Table 2. Tests were performed on 3 types of separators made by different manufacturers under 3 temperature conditions. By applying a 0.1 N preload and adjusting the stroke origin position, the tests could be performed with good reproducibility. Fig. 2 shows the AGS-V precision universal testing machine with the TCE-N300A and the test jig mounted.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9d88e23 e-con-full e-flex e-con e-child\" data-id=\"9d88e23\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20a3848 elementor-widget elementor-widget-image\" data-id=\"20a3848\" 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\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-ags-v-and-tce-n300a.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"universal-testing-machine-ags-v-ags-v-and-tce-n300a\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjI0NTYsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL3VuaXZlcnNhbC10ZXN0aW5nLW1hY2hpbmUtYWdzLXYtYWdzLXYtYW5kLXRjZS1uMzAwYS5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"866\" height=\"800\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-ags-v-and-tce-n300a.jpg\" class=\"attachment-full size-full wp-image-22456\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\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<div class=\"elementor-element elementor-element-a8b9a68 elementor-widget elementor-widget-image\" data-id=\"a8b9a68\" 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\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-equipment-configuration-1.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"universal-testing-machine-ags-v-equipment-configuration\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjI0NjUsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL3VuaXZlcnNhbC10ZXN0aW5nLW1hY2hpbmUtYWdzLXYtZXF1aXBtZW50LWNvbmZpZ3VyYXRpb24tMS5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"276\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-equipment-configuration-1.jpg\" class=\"attachment-large size-large wp-image-22465\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\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<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fafc4e3 e-con-full e-flex e-con e-child\" data-id=\"fafc4e3\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6eedd06 e-con-full e-flex e-con e-child\" data-id=\"6eedd06\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-945507d elementor-widget elementor-widget-text-editor\" data-id=\"945507d\" 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\t\t<h2>Test Results<\/h2><p>Examples of the puncture test results are shown in Fig. 3. The horizontal axis indicates stroke; the vertical axis indicates test force; the solid line curves (red) are for room temperature; the dotted line curves (blue) are for 60 \u00b0C; and the dash-dotted line curves (green) are for 90 \u00b0C. A summary of the test results is shown in Fig. 3. The strength of the separators of all of the manufacturers was reduced at higher temperatures. Table 4 shows the calculated strength values at each temperature, with the strength at room temperature taken to be 100 %. Thestrength for all manufacturers decreased by about 50 % at 90 \u00b0C, but Company A&#8217;s product showed little decrease in strength at 60 \u00b0C.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5cdea0c e-con-full e-flex e-con e-child\" data-id=\"5cdea0c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b475fb2 elementor-widget elementor-widget-image\" data-id=\"b475fb2\" 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\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-puncture-test-summary-of-the-test-results.jpg\" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjI0NzAsInVybCI6ZmFsc2V9\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-puncture-test-summary-of-the-test-results.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\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<div class=\"elementor-element elementor-element-2de6b6c elementor-widget elementor-widget-image\" data-id=\"2de6b6c\" 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\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-summary-of-strength.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"universal-testing-machine-ags-v-summary-of-strength\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjI0NTgsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL3VuaXZlcnNhbC10ZXN0aW5nLW1hY2hpbmUtYWdzLXYtc3VtbWFyeS1vZi1zdHJlbmd0aC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"824\" height=\"630\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2025\/11\/universal-testing-machine-ags-v-summary-of-strength.jpg\" class=\"attachment-large size-large wp-image-22458\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\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<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8db5045 elementor-widget elementor-widget-text-editor\" data-id=\"8db5045\" 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\t\t<h2>Conclusion<\/h2><p>Puncture tests were performed on separators at various environmental temperatures in a thermostatic chamber. A simple fixing method was adopted for the boil-in-bag piercing test jig using nuts, so it was easy to install and remove the samples from the jig.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49c6ec6 elementor-widget elementor-widget-spacer\" data-id=\"49c6ec6\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\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-167ca2b e-flex e-con-boxed e-con e-parent\" data-id=\"167ca2b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2bb8546 elementor-widget elementor-widget-heading\" data-id=\"2bb8546\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Download<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-951c335 downloads-liste elementor-widget elementor-widget-text-editor\" data-id=\"951c335\" 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\t\t<ul><li><div class=\"page\" title=\"Page 1\"><div class=\"section\"><div class=\"layoutArea\"><div class=\"column\"><p><a href=\"https:\/\/www.shimadzu.com\/an\/sites\/shimadzu.com.an\/files\/pim\/pim_document_file\/applications\/application_note\/25916\/an_01-00912-en.pdf\" target=\"_blank\" rel=\"noopener\">Temperature Dependence of Puncture Strength of Separators<\/a><\/p><\/div><\/div><\/div><\/div><\/li><\/ul>\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-716b92e e-flex e-con-boxed e-con e-parent\" data-id=\"716b92e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Lithium-ion batteries are used in a wide variety of fields in modern society, such as mobile phones, notebook computers, and electric vehicles, and the high energy density and long life of this important technology support our lifestyles. One of the most important issues in developing this technology is &#8230;<\/p>\n","protected":false},"author":397,"featured_media":22455,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[366,337],"tags":[],"class_list":["post-22461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ags-v","category-compression-testing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tensile Testing of Plastics | Low-Temperature Material Analysis<\/title>\n<meta name=\"description\" content=\"Explore Shimadzu&#039;s methods for tensile testing of plastic materials at -40 \u00b0C, assessing tensile modulus, strength, and break strain for quality control.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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