Las bater\u00edas de fosfato de hierro y litio generalmente constan de un electrodo positivo, un electrodo negativo, un separador, un electrolito, una carcasa y otros accesorios.<\/p>\n
El material activo del electrodo positivo es fosfato de hierro y litio tipo olivino (LiFePO4), que solo se puede utilizar despu\u00e9s de modificaciones como el recubrimiento de carbono y el dopaje.<\/p>\n
Los materiales activos del electrodo negativo son materiales de grafito, como el grafito natural y el grafito artificial, as\u00ed como materiales de carbono, como el carbono duro y el carbono blando, que tambi\u00e9n requieren un tratamiento adecuado antes de poder utilizarse.<\/p>\n
El diafragma est\u00e1 compuesto por uno o dos materiales: polietileno (PE) y polipropileno (PP). Se utiliza a menudo como pel\u00edcula compuesta monocapa o multicapa. Tambi\u00e9n existen maneras de aumentar la pel\u00edcula cer\u00e1mica inorg\u00e1nica en la superficie de la pel\u00edcula. Esto mejora en cierta medida la seguridad de la bater\u00eda.<\/p>\n
El electrolito es una soluci\u00f3n de sal de litio con carbonato de cadena o c\u00edclico como disolvente, y se le a\u00f1aden aditivos especiales.<\/p>\n
La carcasa exterior es un contenedor que contiene los dem\u00e1s componentes de la bater\u00eda. Generalmente, est\u00e1 hecha de acero inoxidable de alta resistencia y resistente a la corrosi\u00f3n, aleaci\u00f3n de aluminio, pl\u00e1sticos especiales y otros materiales. Tambi\u00e9n existen bater\u00edas con una pel\u00edcula compuesta de aluminio y pl\u00e1stico como carcasa exterior. En la pr\u00e1ctica, se requiere una carcasa exterior de alta resistencia para su protecci\u00f3n.<\/p>\n
Adem\u00e1s, existen agentes conductores que aumentan la conductividad de los electrodos positivos y negativos de la bater\u00eda, el aglutinante que fija el material activo, la l\u00e1mina de cobre y la l\u00e1mina de aluminio que sostienen el material en polvo y el colector de corriente, y conectan el interior y el exterior de la bater\u00eda y la pieza de conexi\u00f3n conductora, accesorios auxiliares como pesta\u00f1as y postes.<\/p>","protected":false},"excerpt":{"rendered":"
Lithium iron phosphate batteries generally consist of a positive electrode, a negative electrode, a separator, an electrolyte, a casing and 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