{"id":2979,"date":"2025-02-18T14:51:10","date_gmt":"2025-02-18T06:51:10","guid":{"rendered":"https:\/\/www.sunvoltbat.com\/?p=2979"},"modified":"2025-08-27T09:09:32","modified_gmt":"2025-08-27T01:09:32","slug":"real-world-testing-of-lithium-battery-capacity-methods-and-insights","status":"publish","type":"post","link":"https:\/\/www.sunvoltbat.com\/fr\/real-world-testing-of-lithium-battery-capacity-methods-and-insights.html\/","title":{"rendered":"Test en conditions r\u00e9elles de la capacit\u00e9 des piles au lithium : M\u00e9thodes et perspectives"},"content":{"rendered":"

V\u00e9rification de la capacit\u00e9 d\u00e9clar\u00e9e de la batterie \u00e0 l'aide de m\u00e9thodes de bricolage<\/strong><\/p>\n\n\n\n

Les batteries lithium-ion sont omnipr\u00e9sentes dans l'\u00e9lectronique moderne, et leurs capacit\u00e9s d\u00e9clar\u00e9es influencent consid\u00e9rablement l'exp\u00e9rience de l'utilisateur. Cet article se penche sur un sc\u00e9nario r\u00e9el de test de la capacit\u00e9 d'une batterie et d'analyse de la consommation d'\u00e9nergie dans diverses conditions.<\/p>\n\n\n\n

Test de capacit\u00e9 de la batterie
<\/strong>Une batterie \u00e9tiquet\u00e9e avec une capacit\u00e9 de 3800mAh a \u00e9t\u00e9 test\u00e9e \u00e0 l'aide d'un circuit de d\u00e9charge \u00e0 courant constant con\u00e7u par l'entreprise elle-m\u00eame. Les r\u00e9sultats ont indiqu\u00e9 une capacit\u00e9 d'environ 1700mAh, bien en de\u00e7\u00e0 de la valeur annonc\u00e9e. Les principaux aspects du test sont les suivants :<\/p>\n\n\n\n

Conditions<\/p>\n\n\n\n

Temp\u00e9rature ambiante : 16\u00b0C
Norme suivie : GB\/T18287-2000
Processus de test<\/strong><\/p>\n\n\n\n

S'assurer que la tension initiale est de 4,17 V avant la d\u00e9charge.
Dur\u00e9e de d\u00e9charge enregistr\u00e9e jusqu'\u00e0 ce que la tension terminale atteigne 2,75 V.
Capacit\u00e9 calcul\u00e9e sur la base du graphique de l'heure actuelle.
Sources d'erreur<\/strong><\/p>\n\n\n\n

Variabilit\u00e9 du circuit \u00e0 courant constant due aux fluctuations de temp\u00e9rature.
Le courant de d\u00e9charge a l\u00e9g\u00e8rement d\u00e9pass\u00e9 la norme, ce qui a conduit \u00e0 une estimation prudente de la capacit\u00e9.
Analyse de la consommation \u00e9lectrique du t\u00e9l\u00e9phone
<\/strong>\u00c0 l'aide d'un multim\u00e8tre MF47, la consommation d'\u00e9nergie a \u00e9t\u00e9 mesur\u00e9e dans diff\u00e9rents modes de fonctionnement, notamment en mode veille et en mode actif.<\/p>\n\n\n\n

Principales conclusions :<\/strong><\/p>\n\n\n\n

Courant d'arr\u00eat : 1,0 mA
Courant de veille en mode CDMA : fluctuant entre 3 et 25 mA
Courant d'appel en mode GSM : environ 250mA
Perspectives :<\/strong><\/p>\n\n\n\n

Impact des modes op\u00e9ratoires
<\/strong>Le mode GSM consomme plus d'\u00e9nergie que le mode CDMA lors des interactions avec le r\u00e9seau.<\/p>\n\n\n\n

Effet de la luminosit\u00e9 de l'\u00e9cran
<\/strong>La consommation d'\u00e9nergie augmente de mani\u00e8re significative avec la luminosit\u00e9, passant de 41mA \u00e0 faible luminosit\u00e9 \u00e0 153mA \u00e0 forte luminosit\u00e9.<\/p>\n\n\n\n

Consommation d'\u00e9nergie en mode double
<\/strong>La double carte SIM en veille consomme plus d'\u00e9nergie que la carte SIM simple, mais la consommation de la carte SIM simple reste stable dans tous les modes.<\/p>","protected":false},"excerpt":{"rendered":"

Verifying Claimed Battery Capacity with DIY Methods Lithium-ion batteries are ubiquitous in modern electronics, and their stated capacities significantly influence user experience. This article delves into a real-world scenario of testing a battery’s capacity and analyzing power consumption under various conditions. Battery Capacity TestA battery labeled with a capacity of 3800mAh was tested using a […]<\/p>","protected":false},"author":1,"featured_media":2808,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[13,2],"tags":[117,11,121],"class_list":["post-2979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-battery-knowledge","category-news","tag-car-battery-maintenance","tag-lead-acid-battery","tag-sunvolt-battery"],"metadata":{"_edit_lock":["1756256973:1"],"_thumbnail_id":["2808"],"om_disable_all_campaigns":[""],"_monsterinsights_skip_tracking":[""],"_monsterinsights_sitenote_active":[""],"themepark_post_bcolor":["#f5f5f5"],"themepark_post_width":["1022px"],"themepark_post_img":[""],"themepark_post_img_po":["left"],"themepark_post_img_re":[""],"themepark_post_img_cover":[""],"themepark_post_img_fixed":[""],"themepark_post_hide_title":[""],"themepark_post_main_b":[""],"themepark_post_main_p":["100"],"themepark_paddingblock":[""],"footnotes":[""],"_edit_last":["1"],"_aioseo_title":[null],"_aioseo_description":[null],"_aioseo_keywords":["a:0:{}"],"_aioseo_og_title":[""],"_aioseo_og_description":[""],"_aioseo_og_article_section":[""],"_aioseo_og_article_tags":["a:0:{}"],"_aioseo_twitter_title":[""],"_aioseo_twitter_description":[""],"catce":["sidebar-widgets4"],"views":["3089"],"wp_statistics_words_count":["204"]},"aioseo_notices":[],"medium_url":"https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-1-4-300x300.jpg","thumbnail_url":"https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-1-4-150x150.jpg","full_url":"https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-1-4.jpg","_links":{"self":[{"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/posts\/2979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/comments?post=2979"}],"version-history":[{"count":1,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/posts\/2979\/revisions"}],"predecessor-version":[{"id":2980,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/posts\/2979\/revisions\/2980"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/media\/2808"}],"wp:attachment":[{"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/media?parent=2979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/categories?post=2979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/tags?post=2979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}