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. A battery comprising:
a cathode; an anode; and an electrolyte, wherein,
the anode comprises an anode active material layer, andthe anode active material layer comprises silicon and a fluoride of an alkali metal, where a content of the fluoride is in an amount from 1 atomic % to 40 atomic %, inclusive, as a total abundance of the alkali metal and fluorine.