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US5512387A Expired / Lapsed US ⏱️ 0.0 years remaining

Thin-film, solid state battery employing an electrically insulating, ion conducting electrolyte material

Assignee: Chevron Technology Ventures LLC
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Filing: 1994-02-18
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Granted: 1996-04-30
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Expires: 2014-02-18
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Abstract

Abstract A solid state battery comprising a substrate; at least one multilayered electrochemical cell deposited onto the substrate, each layer of the multilayered electrochemical cell composing: a layer of negative electrode material capable of electrochemically adsorbing and desorbing ions during charge and discharge; a layer of positive electrode material capable of electrochemically desorbing and adsorbing ions during charge and discharge; and a layer of insulating/conducting material disposed between the layer of positive electrode material and the layer of negative electrode material, where the layer of insulating/conducting material is electrically insulating and capable of readily conducting or transporting ions from the layer positive electrode material to the layer of negative electrode material while the battery is charging and from the layer of negative electrode material to the layer of positive electrode material while the battery is discharging; and an electrically conductive layer deposited a top the last of the at least one multilayered electrochemical cells, the electrically conductive layer providing one battery terminal.

Inventors

  • 👤 Stanford R. Ovshinsky

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:55
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/056; H01M10/0561; H01M10/0562; H01M10/04; H01M10/0436; H01M10/34; H01M10/345; H01M10/347; H01M6/00; H01M6/14; H01M6/18; H01M10/052; H01M10/0525; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/485; H01M4/52; H01M4/58; H01M4/583; H01M4/587; H01M6/188; H01M6/40; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 178 words
A solid state battery comprising: A.) a substrate; B.) at least one multilayered electrochemical cell deposited onto said substrate, said multilayered electrochemical cell comprising: 1.) a solid state layer of negative electrode material capable of electrochemically adsorbing and desorbing lithium ions during charge and discharge; 2.) a solid state layer of positive electrode material capable of electrochemically desorbing and adsorbing lithium ions during charge and discharge; and 3.) a solid state layer of lithiated silicon nitride material disposed between said layer of positive electrode material and said layer of negative electrode material, where said layer of lithiated silicon nitride material is electrically insulating and capable of readily conducting or transporting lithium ions from said layer of positive electrode material to said layer of negative electrode material while said battery is charging and from said layer of negative electrode material to said layer of positive electrode material while said battery is discharging; and C.) an electrically conductive layer deposited a top the last of said at least one multilayered electrochemical cells, said electrically conductive layer providing one battery terminal.
Claim 2
Dependent Claim 178 words
A solid state battery comprising: A.) a substrate; B.) at least one multilayered electrochemical cell deposited onto said substrate, said multilayered electrochemical cell comprising: 1.) a solid state layer of negative electrode material capable of electrochemically adsorbing and desorbing lithium ions during charge and discharge; 2.) a solid state layer of positive electrode material capable of electrochemically desorbing and adsorbing lithium ions during charge and discharge; and 3.) a solid state layer of lithiated silicon nitride material disposed between said layer of positive electrode material and said layer of negative electrode material, where said layer of lithiated silicon nitride material is electrically insulating and capable of readily conducting or transporting lithium ions from said layer of positive electrode material to said layer of negative electrode material while said battery is charging and from said layer of negative electrode material to said layer of positive electrode material while said battery is discharging; and C.) an electrically conductive layer deposited a top the last of said at least one multilayered electrochemical cells, said electrically conductive layer providing one battery terminal.
Claim 3
Dependent Claim 31 words
The solid state battery of claim 1, wherein said layer of negative electrode material, said layer of positive electrode material, and said layer of insulating/conducting material are all thin film materials.
Claim 4
Dependent Claim 24 words
The solid state battery of claim 1, wherein said layer of positive electrode material comprises a layer of amorphous V 2 O 5 .
Claim 5
Dependent Claim 20 words
The solid state battery of claim 1, wherein said layer of negative electrode material comprises a layer of lithium metal.
Claim 6
Dependent Claim 39 words
The solid state battery of claim 1, wherein said solid state layer of lithiated silicon nitride comprises: about 20 to 50 atomic % lithium, about 20 to 40 atomic % silicon, and about 20 to 50 atomic % nitrogen.
Claim 7
Dependent Claim 23 words
The solid state battery of claim 1, wherein said substrate is electrically conductive and acts as a second electrical terminal of said battery.
Claim 8
Dependent Claim 35 words
The solid state battery of claim 1, wherein said substrate is electrically insulative and an electrically conductive material layer is deposited onto said substrate, said electrically conductive material layer acting as a second battery terminal.
Claim 9
Dependent Claim 49 words
The solid state battery of claim 1, including more than one of said multilayered electrochemical cells and further comprising current collector material layers deposited between said layer of positive electrode material of one multilayered electrochemical cell and said layer of negative electrode material of an adjacent multilayered electrochemical cell.
Claim 10
Dependent Claim 24 words
A solid state battery comprising: A.) a substrate; B.) at least one multilayered electrochemical cell deposited onto said substrate, said multilayered electrochemical cell comprising:
Claim 11
Dependent Claim 24 words
A solid state battery comprising: A.) a substrate; B.) at least one multilayered electrochemical cell deposited onto said substrate, said multilayered electrochemical cell comprising:
Claim 12
Dependent Claim 159 words
) a solid state layer of negative electrode material capable of electrochemically adsorbing and desorbing both protons and lithium ions during charge and discharge; 2.) a solid state layer of positive electrode material capable of electrochemically desorbing and adsorbing both protons and lithium ions during charge and discharge; and 3.) a solid state layer of insulating/conducting material disposed between said layer of positive electrode material and said layer of negative electrode material, where said layer of insulating/conducting material is electrically insulating and capable of readily conducting or transporting both protons and lithium ions from said layer of positive electrode material to said layer of negative electrode material while said battery is charging and from said layer of negative electrode material to said layer of positive electrode material while said battery is discharging; and C.) an electrically conductive layer deposited a top the last of said at least one multilayered electrochemical cells, said electrically conductive layer providing one battery terminal.
Claim 13
Dependent Claim 159 words
) a solid state layer of negative electrode material capable of electrochemically adsorbing and desorbing both protons and lithium ions during charge and discharge; 2.) a solid state layer of positive electrode material capable of electrochemically desorbing and adsorbing both protons and lithium ions during charge and discharge; and 3.) a solid state layer of insulating/conducting material disposed between said layer of positive electrode material and said layer of negative electrode material, where said layer of insulating/conducting material is electrically insulating and capable of readily conducting or transporting both protons and lithium ions from said layer of positive electrode material to said layer of negative electrode material while said battery is charging and from said layer of negative electrode material to said layer of positive electrode material while said battery is discharging; and C.) an electrically conductive layer deposited a top the last of said at least one multilayered electrochemical cells, said electrically conductive layer providing one battery terminal.
Claim 14
Dependent Claim 31 words
The solid state battery of claim 9, wherein said layer of negative electrode material, said layer of positive electrode material, and said layer of insulating/conducting material are all thin film materials.
Claim 15
Dependent Claim 32 words
The solid state battery of claim 9, wherein said layer of positive electrode material comprises a layer of at least one of LiNiO 2 , LiCoO 2 , or LiMnO 2 .
Claim 16
Dependent Claim 27 words
The solid state battery of claim 9, wherein said layer of negative electrode material comprises a layer of hydrogenated carbon which intercalates both protons and lithium ions.
Claim 17
Dependent Claim 20 words
The solid state battery of claim 9, wherein said layer of insulating/conducting material includes is a lithiated/hydrogenated electrically insulating material.
Claim 18
Dependent Claim 17 words
The solid state battery of claim 13, wherein said insulating/conducting material includes a lithiated/hydrogenated silicon nitride material.
Claim 19
Dependent Claim 47 words
The solid state battery of claim 14, wherein said insulating/conducting material is a lithiated/hydrogenated silicon nitride film comprising: about 10 to 40 atomic % lithium, about 10 to 40 atomic % hydrogen, about 20 to 40 atomic % silicon, and about 20 to 50 atomic % nitrogen.
Claim 20
Dependent Claim 23 words
The solid state battery of claim 9, wherein said substrate is electrically conductive and acts as a second electrical terminal of said battery.
Claim 21
Dependent Claim 35 words
The solid state battery of claim 9, wherein said substrate is electrically insulative and an electrically conductive material layer is deposited onto said substrate, said electrically conductive material layer acting as a second battery terminal.
Claim 22
Dependent Claim 49 words
The solid state battery of claim 9, including more than one of said multilayered electrochemical cells and further comprising current collector material layers deposited between said layer of positive electrode material of one multilayered electrochemical cell and said layer of negative electrode material of an adjacent multilayered electrochemical cell.

References Cited (Backward Citations)

US4404268A Cited
US4810599A Cited
US5278004A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1999-04-30 1999-10-30 2000-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2003-04-30 2003-10-30 2004-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2007-04-30 2007-10-30 2008-04-30 $7700.00 Window Closed / Lapsed

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