Lco electrodes and batteries fabricated therefrom
AssigneeXerion Advanced Battery Corp.
InventorsChadd Kiggins, Mehmet Ates, John Cook
Life of this patent
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Abstract
Electrodes for batteries, active stacks for batteries, batteries and methods of fabrication are described where the electrode has an LiCoO2 (LCO) electrode layer with a (110), (101), (104), or (003) crystallographic orientation or combinations thereof.
Claims41
An electrode for a battery, the electrode comprising:
- a LiCoO2 (LCO) electrode layer having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003).
In a battery having an electrode layer, an improvement comprising:
- a LiCoO2 (LCO) electrode layer having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003).
An electrode for a battery, the electrode comprising:
- a LiCoO2 (LCO) electrode layer having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- the electrode layer comprising a material having one or more following properties:
- (i) a high density;
- (ii) a thickness from less than about 1 μm to about 200 μm or greater;
- (iii) at least one smooth surface;
- and
- (iv) surfaces with continuous grains between the surfaces that create conductive pathways between the surfaces.
In a battery having an electrode layer, an improvement comprising:
- a LiCoO2 (LCO) electrode layer having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- the electrode layer comprising a material having one or more following properties:
- a high density;
- (ii) a thickness from less than about 1 μm to about 200 μm or greater;
- (iii) at least one smooth surface;
- and
- (iv) surfaces with continuous grains between the surfaces that create conductive pathways between the surfaces.
An electrode for a battery, the electrode comprising:
- a fully dense LiCoO2 (LCO) electrode layer;
- said electrode layer having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003).
In a battery having an electrode layer, an improvement comprising:
- a fully dense LiCoO2 (LCO) electrode layer;
- said electrode layer having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003).
An electrode for a battery, the electrode comprising:
- a layer of fully dense LiCoO2 (LCO) material;
- said layer of LiCoO2 (LCO) material having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003).
In a battery having an electrode layer, an improvement comprising:
- a layer of fully dense LiCoO2 (LCO) material;
- said layer of LiCoO2 (LCO) material having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003).
An electrode for a battery, the electrode comprising:
- a fully dense LiCoO2 (LCO) electrode layer;
- said electrode layer having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- said electrode layer having a thickness from less than about 1 μm to about 200 μm or greater;
- said electrode layer having at least one smooth surface;
- said electrode layer having surfaces with continuous grains between the surfaces that create conductive pathways between the surfaces.
In a battery having an electrode layer, an improvement comprising:
- a fully dense LiCoO2 (LCO) electrode layer;
- said electrode layer having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- said electrode layer having a thickness from less than about 1 μm to about 200 μm or greater;
- said electrode layer having at least one smooth surface;
- said electrode layer having surfaces with continuous grains between the surfaces that create conductive pathways between the surfaces.
An electrode for a battery, the electrode comprising:
- an electrode layer of fully dense LiCoO2 (LCO) material;
- said electrode layer of LiCoO2 (LCO) material having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- said electrode layer having a thickness from less than about 1 μm to about 200 μm or greater;
- said electrode layer having at least one smooth surface;
- said electrode layer having surfaces with continuous grains between the surfaces that create conductive pathways between the surfaces.
In a battery having an electrode layer, an improvement comprising:
- an electrode layer of fully dense LiCoO2 (LCO) material;
- said electrode layer of LiCoO2 (LCO) material having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- said electrode layer having a thickness from less than about 1 μm to about 200 μm or greater;
- said electrode layer having at least one smooth surface;
- said electrode layer having surfaces with continuous grains between the surfaces that create conductive pathways between the surfaces.
An active stack for a battery, the active stack comprising:
- an anode layer;
- a cathode layer;
- and
- an electrolyte layer between the anode layer and the cathode layer;
- wherein the cathode layer comprises a layer of fully dense LiCoO2 (LCO) material;
- and
- wherein the LiCoO2 (LCO) material has a crystal orientation selected from the group consisting of (110);
- (101);
- (104);
- and (003).
An active stack for a battery, the active stack comprising:
- an anode layer;
- a cathode layer;
- and
- an electrolyte layer between the anode layer and the cathode layer;
- said cathode layer comprising a layer of fully dense LiCoO2 (LCO) material;
- said LiCoO2 (LCO) material having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- said cathode layer having a thickness from less than about 1 μm to about 200 μm or greater;
- said cathode layer having at least one smooth surface;
- said cathode layer having surfaces with continuous grains between the surfaces that create conductive pathways between the surfaces.
A battery, comprising:
- a first current collector;
- an anode layer adjacent the first current collector;
- an electrolyte layer adjacent the anode layer;
- a cathode layer adjacent the electrolyte layer;
- and
- a second current collector adjacent the cathode layer;
- wherein the cathode layer comprises a layer of fully dense LiCoO2 (LCO) material;
- and
- wherein the LiCoO2 (LCO) material has a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003).
A battery, comprising:
- a first current collector;
- an anode layer adjacent the first current collector;
- an electrolyte layer adjacent the anode layer;
- a cathode layer adjacent the electrolyte layer;
- and
- a second current collector adjacent the cathode layer;
- said cathode layer comprising a layer of fully dense LiCoO2 (LCO) material;
- and
- said LiCoO2 (LCO) material having a crystal orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- said cathode layer having a thickness from less than about 1 μm to about 200 μm or greater;
- said cathode layer having at least one smooth surface;
- said cathode layer having surfaces with continuous grains between the surfaces that create conductive pathways between the surfaces.
A method of forming an electrode material, comprising:
- forming a mixture of LiOH and KOH;
- forming a melt by heating the mixture of LiOH and KOH;
- adding CoO and dissolving the CoO in the melt;
- and
- inserting an aluminum substrate into the melt and electroplating LiCoO2 onto the aluminum substrate with a crystallographic orientation selected from the group consisting of:
- (110);
- (101);
- (104);
- and (003);
- wherein the crystallographic orientation is a function of the electroplating.
Dependencies are inferred from the claim text.