Kirakodu S Nanjundaswamy from 47744 Fathom Pl, Dulles, VA 20165, age 65

Alkaline Cell With Improved Cathode
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US Patent:

6753109, Jun 22, 2004
Filed:

May 6, 2002
Appl. No.:

10/139552
Inventors:

Kirakodu S. Nanjundaswamy - New Milford CT
Francis Wang - Newtown CT
Jiayu Simon Xue - Brookfield CT
Cahit Eylem - New Fairfield CT
James Rozelle - Fairfield CT
Assignee:

The Gillette Company - Boston MA
International Classification:

H01M 434
US Classification:

429219, 429220, 429229, 429232
Abstract:

An alkaline cell having an anode comprising zinc, an alkaline electrolyte solution, a separator, and a cathode comprising silver copper oxide selected from the compounds AgCuO Ag Cu O or any mixture thereof. The cathode preferably also includes a graphitic carbon to improve electrical conductivity. The graphitic carbon can comprise natural or synthetic graphites including expanded graphites and graphitic carbon fibers. The carbon nanofibers desirably have a mean average diameter less than 500 nanometers.

Alkaline Cell With Improved Cathode
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US Patent:

6759166, Jul 6, 2004
Filed:

May 6, 2002
Appl. No.:

10/139417
Inventors:

Francis Wang - Newtown CT
Cahit Eylem - New Fairfield CT
Jiayu Simon Xue - Brookfield CT
Kirakodu S. Nanjundaswamy - New Milford CT
James Rozelle - Fairfield CT
Assignee:

The Gillette Company - Boston MA
International Classification:

H01M 434
US Classification:

429219, 429220, 429229, 429232
Abstract:

An alkaline cell having an anode comprising zinc, an alkaline electrolyte solution, a separator, and a cathode comprising silver copper oxide AgCuO , or Ag Cu O , desirably in admixture with MnO. The cathode preferably also includes a graphitic carbon to improve electrical conductivity. The graphtic carbon can comprise natural or synthetic graphites including expanded graphites and graphitic carbon fibers. The carbon nanofibers desirably have a mean average diameter less than 500 nanometers.

Lithium Cell With Improved Cathode
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US Patent:

6878489, Apr 12, 2005
Filed:

May 6, 2002
Appl. No.:

10/139555
Inventors:

Kirakodu S. Nanjundaswamy - New Milford CT, US
Francis Wang - Newtown CT, US
Jiayu Simon Xue - Brookfield CT, US
Fan Zhang - Danbury CT, US
Ignacio Chi - Southbury CT, US
Cahit Eylem - New Fairfield CT, US
Assignee:

The Gillette Company - Boston MA
International Classification:

H01M004/34
H01M004/50
H01M004/54
US Classification:

429219, 429220, 42923195, 429224, 429232
Abstract:

A primary lithium cell having an anode comprising lithium and a cathode comprising electrochemically active material selected from silver copper oxides having the formula AgCuOor AgCuOor mixtures thereof. The cathode can include a manganese dioxide in admixture with said silver copper oxides. The cell exhibits higher capacity and energy output than conventional lithium cells having an anode comprising lithium and cathode comprising manganese dioxide.

Lithium Cell With Improved Cathode
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US Patent:

7045249, May 16, 2006
Filed:

Jul 2, 2003
Appl. No.:

10/612697
Inventors:

Kirakodu Nanjundaswamy - Sharon MA, US
Todd Bofinger - Nashua NH, US
Ignacio Chi - Mahtomedia MN, US
George Cintra - Holliston MA, US
Assignee:

The Gillette Company - Boston MA
International Classification:

H01M 4/36
H01M 4/50
H01M 4/58
US Classification:

429220, 429224, 4292311, 4292315, 4292318, 429232
Abstract:

A primary lithium cell having an anode comprising lithium and a cathode comprising electrochemically active material selected from copper vanadates having the formula CuVOor CuVOor mixtures thereof. The cathode can include a manganese dioxide in admixture with said copper vanadates. The cell exhibits higher capacity and energy output than conventional lithium cells having an anode comprising lithium and cathode comprising manganese dioxide.

Lithium Battery Containing Bismuth Metal Oxide
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US Patent:

7300722, Nov 27, 2007
Filed:

Apr 11, 2005
Appl. No.:

11/103050
Inventors:

Paul A. Christian - Norton MA, US
Cahit Eylem - Bellingham MA, US
Kirakodu S. Nanjundaswamy - Sharon MA, US
Fan Zhang - Needham MA, US
Xiandong Wang - Acton MA, US
Assignee:

The Gillette Company - Boston MA
International Classification:

H01M 4/58
H01M 4/40
US Classification:

42923195, 4292181, 4292311, 4292319, 4292316
Abstract:

A battery includes a cathode having an oxide containing one or more metals and pentavalent bismuth, an anode including lithium, a separator between the cathode and the anode, and an electrolyte. The metal(s) can be an alkali metal, an alkaline earth metal, a transition metal, and/or a main group metal.

Non-Aqueous Lithium Electrical Cell
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US Patent:

7459237, Dec 2, 2008
Filed:

Mar 15, 2004
Appl. No.:

10/800905
Inventors:

Dana Alexa Totir - Danbury CT, US
Kirakodu S. Nanjundaswamy - Sharon MA, US
Michael Pozin - Brookfield CT, US
Assignee:

The Gillette Company - Boston MA
International Classification:

H01M 4/50
H01M 6/16
US Classification:

429224, 42923195, 429324, 429245
Abstract:

An electrochemical cell includes a cathode containing MnOand an anode including lithium. The cell also includes an electrolyte containing a bis(oxalato)borate salt. The cell further includes an aluminum surface in electrical contact with a non-aluminum metal surface.

Battery With Integrated Voltage Converter
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US Patent:

7932700, Apr 26, 2011
Filed:

Jul 11, 2007
Appl. No.:

11/776350
Inventors:

George M. Cintra - Holliston MA, US
Kirakodu S. Nanjundaswamy - Sharon MA, US
Alexander Kaplan - Providence RI, US
David C. Batson - Winchester MA, US
David Leigh DeMuth - Maynard MA, US
Leslie J. Pinnell - Framingham MA, US
Frank Kressmann - Eschborn, DE
Joern Riemer - Friedrichsdorf, DE
Leo Faranda - Rodgau, DE
Assignee:

The Gillette Company - Boston MA
International Classification:

H02J 7/00
H02J 7/16
H02J 7/06
H01M 14/00
US Classification:

320135, 320112, 320140, 320157, 320158, 429 7
Abstract:

A battery that includes an electrochemical cell having an internal bore therethrough is described herein. The battery also includes a voltage converter module electrically coupled to the electrochemical cell and disposed within a portion of the internal bore The voltage converter is configured to convert a first voltage produced by the electrochemical cell into a second, different voltage.

Cathode Materials For Secondary (Rechargeable) Lithium Batteries
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US Patent:

7955733, Jun 7, 2011
Filed:

Aug 20, 2010
Appl. No.:

12/859865
Inventors:

Michel Armand - Montreal, CA
John B. Goodenough - Austin TX, US
Akshaya K. Padhi - LaSalle IL, US
Kirakodu S. Nanjundaswamy - Ambler PA, US
Christian Masquelier - Boulogne, FR
Assignee:

Hydro-Quebec - Montreal, Quebec
International Classification:

H01M 4/58
H01M 4/13
US Classification:

4292181, 429221
Abstract:

The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivineor the rhombohedral NASICON structure and the polyanion (PO)as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.

Kirakodu S Nanjundaswamy