{"id":4673,"date":"2020-06-30T13:13:24","date_gmt":"2020-06-30T18:13:24","guid":{"rendered":"https:\/\/www.arbin.com\/?p=4673"},"modified":"2025-12-26T01:57:23","modified_gmt":"2025-12-26T07:57:23","slug":"verwendung-einer-drei-elektroden-zelle-bei-batterietests","status":"publish","type":"post","link":"https:\/\/www.arbin.com\/de\/verwendung-einer-drei-elektroden-zelle-bei-batterietests-html","title":{"rendered":"Verwendung einer Drei-Elektroden-Zelle bei Batterietests"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter\"><img alt=\"\" decoding=\"async\" class=\"wp-image-4773\" src=\"https:\/\/arbin.com\/wp-content\/uploads\/2020\/06\/IMG_9865-225x300-1.jpg\" \/><\/figure>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n<p data-renderer-start-pos=\"1\" data-local-id=\"9d85f712-450e-4692-8c40-bdfd40e84612\">Batterien haben in der Regel zwei Elektroden: Anode und Kathode. W\u00e4hrend der Lade- und Entladezyklen wandern die Ionen durch den Separator zu einer der beiden Elektroden und setzen dabei Energie frei.\u00a0<\/p>\r\n<p data-renderer-start-pos=\"190\" data-local-id=\"20ada47d-ef03-4f87-9e37-575a16edfe43\">Batteriepr\u00fcfzellen k\u00f6nnen so gebaut werden, dass sie eine dritte Elektrode enthalten. Diese wird als Referenzelektrode (RE) bezeichnet. Die RE erm\u00f6glicht eine bessere Analyse der Batterieleistung, da sie die Testergebnisse zwischen Anode und Kathode entkoppelt.<\/p>\r\n<p data-renderer-start-pos=\"414\" data-local-id=\"0cbd23ec-5024-4792-9fed-d01d3365bea6\">Bei der Erforschung von Batteriematerialien erm\u00f6glicht die Verwendung einer Referenzelektrode (RE) den Forschern, den Beitrag der einzelnen Komponenten der Zelle zu ihrer Gesamtleistung zu messen und zu differenzieren. Mit Hilfe von Drei-Elektroden-Experimenten l\u00e4sst sich feststellen, welche Elektrode (Anode oder Kathode) die Leistung der Zelle bei Langzeittests begrenzt. Es ist wichtig zu ermitteln, wie jede einzelne Elektrode unter verschiedenen Testbedingungen zur Zelldegradation beitr\u00e4gt, anstatt blind mit einer oder beiden zu experimentieren.<\/p>\r\n<p data-renderer-start-pos=\"907\" data-local-id=\"30a2d455-5f25-43f5-bce0-5d1e5d7c0b5a\"><strong data-renderer-mark=\"true\">Warum ist das wichtig?<\/strong><\/p>\r\n<p data-renderer-start-pos=\"931\" data-local-id=\"14357ce7-edfd-4c5d-9068-cc3187ad951d\">Die meisten <em data-renderer-mark=\"true\">alle<\/em> electrochemical experiments and battery tests provide greater understanding of the cell when the anode and cathode results can be decoupled through use of a reference electrode.\u00a0 This extends to what are traditionally considered \u201cindustrial\u201d applications as well.\u00a0 The dynamic charge-discharge profiles and fast charge simulations associated with commercial devices and electric vehicles can draw unique performance from a battery compared to low-rate constant current cycling.<\/p>\r\n<p data-renderer-start-pos=\"1419\" data-local-id=\"8e2e3f92-c3a1-43bd-8660-249bc4a5e839\">Three-electrode testing is also beneficial for evaluating battery safety.\u00a0 Minter and Juarez-Robles highlight how fast-charging, which is a highly sought characteristic for electric vehicles, creates a great need to detect and monitor lithium plating occurring on a cell anode.\u00a0 [Minter <span data-highlighted=\"true\" data-vc=\"highlighted-text\"><span class=\"_kqswh2mm\"><span class=\"_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke\" data-testid=\"definition-highlighter\">RD<\/span><\/span><\/span>, Juarez-Robles D, et al 2018 J Vis Exp., (135):57735.]\u00a0 This can best be achieved using a three-electrode cell during testing.<\/p>\r\n<p data-renderer-start-pos=\"1837\" data-local-id=\"eb04cfdc-ca45-4df3-9700-b1dd0d231338\">One fundamental goal of battery research is to develop cells that are long-lasting.\u00a0 This is especially important for electric vehicle and grid storage applications where the commercial cells and battery packs must last thousands of cycles and up to 10 years.\u00a0 Three-electrode testing allows researchers to identify the limiting factor in their cell to focus attention where improvement is needed most.<\/p>\r\n<p data-renderer-start-pos=\"2241\" data-local-id=\"85ebb6e4-dc8d-428e-b372-053cc7131c5d\"><strong data-renderer-mark=\"true\">Wie die Referenzelektrode in verschiedenen Testsituationen verwendet wird<\/strong><\/p>\r\n<ul class=\"ak-ul\" data-local-id=\"dcc2206a-7004-4e2f-a297-baaf612ffb23\" data-indent-level=\"1\">\r\n<li>\r\n<p data-renderer-start-pos=\"2312\" data-local-id=\"3e9bc050-6956-4402-9769-eb1ba47c8848\">During <span data-highlighted=\"true\" data-vc=\"highlighted-text\"><span class=\"_kqswh2mm\"><span class=\"_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke\" data-testid=\"definition-highlighter\">HPPC<\/span><\/span><\/span> test, which are common for <a class=\"_ymio1r31 _ypr0glyw _zcxs1o36 _mizu1v1w _1ah3dkaa _ra3xnqa1 _128mdkaa _1cvmnqa1 _4davt94y _4bfu1r31 _1hms8stv _ajmmnqa1 _vchhusvi _kqswh2mm _syaz13af _ect41gqc _1a3b1r31 _4fpr8stv _5goinqa1 _f8pj13af _9oik1r31 _1bnxglyw _jf4cnqa1 _30l313af _1nrm1r31 _c2waglyw _1iohnqa1 _9h8h12zz _10531ra0 _1ien1ra0 _n0fx1ra0 _1vhv17z1\" title=\"https:\/\/www.arbin.com\/battery-test-applications-electric-vehicle\/\" href=\"https:\/\/www.arbin.com\/de\/batterietestgerate\/batterieprufung-fur-elektrofahrzeuge-html\/\" data-renderer-mark=\"true\"><strong data-renderer-mark=\"true\">Elektrofahrzeug-Anwendungen<\/strong><\/a>Die Verwendung einer Referenzelektrode zeigt die Polarisierung der Elektrode.<\/p>\r\n<\/li>\r\n<li>\r\n<p data-renderer-start-pos=\"2450\" data-local-id=\"a208b5a4-5ea9-4c41-b04e-6328b1e11456\">Performing <span data-highlighted=\"true\" data-vc=\"highlighted-text\"><span class=\"_kqswh2mm\"><span class=\"_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke\" data-testid=\"definition-highlighter\">EIS<\/span><\/span><\/span> shows the decoupled impedance from anode and cathode individually when a three-electrode cell is utilized.<\/p>\r\n<\/li>\r\n<li>\r\n<p data-renderer-start-pos=\"2575\" data-local-id=\"e9152c82-d1a0-413c-b9a0-58677f355b7a\">The individual contribution of anode and cathode is revealed when demonstrating lithium loss due to <span data-highlighted=\"true\" data-vc=\"highlighted-text\"><span class=\"_kqswh2mm\"><span class=\"_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke\" data-testid=\"definition-highlighter\">SEI<\/span><\/span><\/span> growth as a dominant aging mechanism.<\/p>\r\n<\/li>\r\n<li>\r\n<p data-renderer-start-pos=\"2720\" data-local-id=\"115c8449-d412-4972-946a-851fe234a957\">Die Differenzkapazit\u00e4tsanalyse kann Ver\u00e4nderungen im Spannungsprofil von Anode und Kathode aufdecken und aufzeigen, wie sie einzeln zur Zelldegradation beitragen.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-renderer-start-pos=\"2875\" data-local-id=\"cb094790-74c2-4075-b8dc-d8c5e49bd772\"><strong data-renderer-mark=\"true\">Die Hindernisse bei der Entwicklung einer stabilen und zuverl\u00e4ssigen Drei-Elektroden-Zelle<\/strong><\/p>\r\n<p data-renderer-start-pos=\"2945\" data-local-id=\"3d9af4f6-61fd-4b51-acd3-1a8a06e2de5f\">Comparing results from a new three-electrode experiment to other published results needs to keep as many variables consistent as possible, such as electrode size, material amount, cell uniformity, etc., or else attempt to normalize results.\u00a0 This is a principal reason why traditional cell types are modified to incorporate a reference electrode as \u201chomemade\u201d cell, so results are easier to compare with minimal normalization.\u00a0 Researchers wish to demonstrate and compare their results to existing two-electrode data of the same cell type (cylindrical, pouch, coin).\u00a0 However, since most battery material work is conducted using coincells, this is the natural choice for three-electrode experiments to compare the new results with the vast amount of tradition two-electrode data in publication.\u00a0 The new experimental data will decouple the anode and cathode and provide new insights.<\/p>\r\n<p data-renderer-start-pos=\"3830\" data-local-id=\"0ae0b548-2b07-4e51-b10d-dcfe563ede31\"><strong data-renderer-mark=\"true\">Suggestion<\/strong><\/p>\r\n<p data-renderer-start-pos=\"3842\" data-local-id=\"a0964487-3aef-465d-b17d-e6b08998ea08\">A wide range of three-electrode cell configurations\u2014such as Swagelok-style cells, split-cell designs, and PAT cells\u2014are available and commonly used for electrochemical studies. However, it is important to recognize that these systems also have limitations. They can be expensive, complex to assemble, and challenging to scale for practical applications. Additionally, data obtained from such specialized cells must be carefully normalized when compared with conventional battery formats (e.g., coin, cylindrical, or pouch cells). Therefore, these considerations should be thoroughly evaluated when selecting an appropriate testing configuration for your specific research or development objectives.<\/p>","protected":false},"excerpt":{"rendered":"<p>Die neue 3E Coin Cell von Arbin bietet Anwendern einen erschwinglichen, einfach zu bedienenden Drei-Elektroden-Zellenhalter, der langfristige Zyklen erm\u00f6glicht und konsistente Ergebnisse zwischen den Proben liefert.<\/p>","protected":false},"author":6,"featured_media":20142,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","inline_featured_image":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":"","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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[104],"tags":[201],"class_list":["post-4673","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arbin-news","tag-electrochemical-impedance-spectroscopy"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/posts\/4673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/comments?post=4673"}],"version-history":[{"count":1,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/posts\/4673\/revisions"}],"predecessor-version":[{"id":67102,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/posts\/4673\/revisions\/67102"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/media\/20142"}],"wp:attachment":[{"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/media?parent=4673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/categories?post=4673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.arbin.com\/de\/wp-json\/wp\/v2\/tags?post=4673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}