US 2006/0068285 A1 · Anode active material and battery using it

Abstract

A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element, and a third element. The second element is at least one from the group consisting of boron, carbon, aluminum, and phosphorus, and the third element is at least one from the group consisting of silicon, magnesium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, gallium, zirconium, niobium, molybdenum, silver, indium, cerium, hafnium, tantalum, tungsten, and bismuth. The content of the second element in the anode active material is from 9.8 wt % to 49 wt %.

Claims8

Dependent claims

An anode active material containing:

tin (Sn) as a first element;
a second element;
and
a third element,
wherein the second element is at least one from the group consisting of boron (B), carbon (C), aluminum (Al), and phosphorus (P),
the third element is at least one from the group consisting of silicon (Si), magnesium (Mg), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), gallium (Ga), zirconium (Zr), niobium (Nb), molybdenum (Mo), silver (Ag), indium (In), cerium (Ce), hafnium (Hf), tantalum (Ta), tungsten (W), and bismuth (Bi), and
the content of the second element is from 9.8 wt % to 49 wt %.

4 more elements

Dependencies are inferred from the claim text.

Anode active material and battery using it

Life of this patent

Anode active material and battery using it

Life of this patent

Abstract

Claims8