Anode and battery

摘要

An anode capable of preventing expansion of an anode active material layer and a battery using it are provided. The anode includes an anode current collector, and an anode active material layer containing silicon (Si) as an element, wherein the anode active material layer therein contains at least one selected from the group consisting of a fluoride of an alkali metal and a fluoride of an alkali earth metal.

主权项

1. An anode comprising:
an anode current collector; and an anode active material layer, wherein,
the anode active material layer contains -silicon and a fluoride of an alkali metal where a content of fluoride is in an amount from 1 atomic % to 40 atomic %, inclusive, as a total abundance of the alkali metal and fluorine,the anode active material layer has a plurality of active material particles, andthe anode active material layer contains oxygen in an amount from 3 atomic % to 15 atomic % inclusive.