A battery is a portable source of chemical energy, which is converted to electrical energy as soon as the battery is placed in a circuit. The main principle is the same in almost all batteries. A metal that forms the negative terminal is opposite a positive terminal. The positive terminal is also called anode, the negative terminal cathode. Between the two terminals there is an electrically conductive liquid, the so-called electrolyte. As soon as a battery is placed in a circuit, positive and negative terminals are connected via an external contact and electrolysis takes place. On the way, a current flows from anode to cathode<\/p>\n","protected":false},"excerpt":{"rendered":"
A battery is a portable source of chemical energy, which is converted to electrical energy as soon as the battery is placed in a circuit. The main principle is the same in almost all batteries. A metal that forms the negative terminal is opposite a positive terminal. The positive terminal is also called anode, the negative terminal cathode. Between the two terminals there is an electrically conductive liquid, the so-called electrolyte. As soon as a battery is placed in a circuit, positive and negative terminals are connected via an external contact and electrolysis takes place. On the way, a current flows from anode to cathode<\/p>\n","protected":false},"featured_media":13960,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[71],"product_tag":[108,126,128],"class_list":["post-13968","product","type-product","status-publish","has-post-thumbnail","product_cat-movie","product_tag-subject-ecological","product_tag-target-sek-i-2","product_tag-target-sek-ii-2","product_shipping_class-dvd","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"acf":{"subtitle":"From Production to Recycling","article_id":"4671727 \/ 5561525","languages":"DE, EN, TR","thumb_up":false,"cover_image":null,"linked_product":"","linked_products":null,"banner":{"show":false,"text":"","color":""},"length":"19:58 min","content_movie":"","learning_goals":"","preview_gif":13958,"trailer":{"file":"","url":"https:\/\/www.lehrmediathek.de\/trailer\/Batterie_trailer.mp4","image":13967},"mediathek_id":247,"amount":"","demo_url":"","h5p_demo_id":"","content_interactive":"","hide_numbers":false,"flyer":"","info_columns":null},"_links":{"self":[{"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product\/13968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/media\/13960"}],"wp:attachment":[{"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/media?parent=13968"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product_brand?post=13968"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product_cat?post=13968"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product_tag?post=13968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}