Patents by Inventor Sarah Caroline Ball
Sarah Caroline Ball has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9887428Abstract: A binary alloy catalyst comprising platinum and tantalum, wherein the tantalum is present in the alloy at 15 to 50 atomic % and a phosphoric acid fuel cell comprising such a catalyst is disclosed. The catalyst provides a better CO tolerance.Type: GrantFiled: January 29, 2014Date of Patent: February 6, 2018Assignee: Johnson Matthey Fuel Cells LimitedInventors: Sarah Caroline Ball, Brian Ronald Charles Theobald, Silvain Buche
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Publication number: 20170098833Abstract: A catalyst includes (i) a primary metal or alloy or mixture including the primary metal, and (ii) an electrically conductive carbon support material for the primary metal or alloy or mixture including the primary metal, wherein the carbon support material (a) has a specific surface area (BET) of 100-600 m2/g, and (b) has a micropore area of 10-60 m2/g. Methods for producing the carbon support material and methods for decreasing the corrosion rate of the carbon support material are also provided.Type: ApplicationFiled: December 7, 2016Publication date: April 6, 2017Inventors: Sarah Caroline BALL, Graham Alan HARDS, Marlene RODLERT, Jonathan David Brereton SHARMAN, Michael E. SPAHR
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Patent number: 9548500Abstract: A catalyst includes (i) a primary metal or alloy or mixture including the primary metal, and (ii) an electrically conductive carbon support material for the primary metal or alloy or mixture including the primary metal, wherein the carbon support material: (a) has a specific surface area (BET) of 100-600 m2/g, and (b) has a micropore area of 10-90 m2/g.Type: GrantFiled: September 19, 2012Date of Patent: January 17, 2017Assignees: JOHNSON MATTHEY FUEL CELLS LIMITED, IMERYS GRAPHITE & CARBON SWITZERLAND LTD.Inventors: Sarah Caroline Ball, Graham Alan Hards, Marlene Rodlert, Jonathan David Brereton Sharman, Michael E Spahr
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Patent number: 9397348Abstract: A platinum alloy catalyst PtXY, wherein X is a transition metal (other than platinum, palladium or iridium) and Y is a transition metal (other than platinum, palladium or iridium) which is less leachable than X in an acidic environment, has an atomic percentage in the alloy of platinum is from 20.5-40at %, of X is from 40.5-78.5at % X and of Y is from 1-19.5at %.Type: GrantFiled: July 21, 2011Date of Patent: July 19, 2016Assignee: JOHNSON MATTHEY FUEL CELLS LIMITEDInventors: Brian Ronald Charles Theobald, Sarah Caroline Ball, Rachel Louise O'Malley, David Thompsett, Graham Alan Hards
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Publication number: 20160049666Abstract: The present invention provides use of a porous carbon material in a metal air battery, wherein the porous carbon material (a) has a specific surface area (BET) of 100-600 m2/g, and (b) has a micropore area of 10-90 m2/g. The present inventors have found that this porous carbon material exhibits advantageous properties such as corrosion resistance.Type: ApplicationFiled: April 2, 2014Publication date: February 18, 2016Inventors: Sarah Caroline BALL, Robert John POTTER, Marlene RODLERT, Michael E SPAHR, Carmen SALCIANU
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Publication number: 20150380758Abstract: A binary alloy catalyst comprising platinum and tantalum, wherein the tantalum is present in the alloy at 15 to 50 atomic % and a phosphoric acid fuel cell comprising such a catalyst is disclosed. The catalyst provides a better CO tolerance.Type: ApplicationFiled: January 29, 2014Publication date: December 31, 2015Applicant: JOHNSON MATTHEY FUEL CELLS LIMITEDInventors: Sarah Caroline BALL, Brian Ronald Charles THEOBALD, Silvain BUCHE
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Publication number: 20150228984Abstract: An air-breathing cathode includes (i) a conductive current collector; (ii) a metal-ion conducting medium; and a metal oxide of formula (AA?)a(BB?)bOc. wherein: A and A? are the same or different and selected from RE (which is yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium), magnesium, calcium, strontium, barium, lithium, sodium, potassium, indium, thallium, tin, lead, antimony or bismuth; B is Ru, Ir, Os, Rh, Ti, Sn, Ge, Mn, Ta, Nb, Mo, W, Zr or Pb; B? is absent or selected from Ru, Ir, Os, Rh, Ca, Mg, In, Tl, Sn, Pb, Sb, Bi, Ge, Ta, Nb, Mo, W, Zr or RE; c is from 3-11; the atomic ratio of (a+b):c is from 1:1 to 1:2; the atomic ratio of a:b is from 1: 1.5 to 1.5:1 and at least one A and/or A? is an alkali metal, alkaline earth metal or RE.Type: ApplicationFiled: August 1, 2013Publication date: August 13, 2015Inventors: Sarah Caroline Ball, Robert John Potter, Jonathan David Brereton Sharman
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Publication number: 20140295316Abstract: A catalyst includes (i) a primary metal or alloy or mixture including the primary metal, and (ii) an electrically conductive carbon support material for the primary metal or alloy or mixture including the primary metal, wherein the carbon support material: (a) has a specific surface area (BET) of 100-600 m2/g, and (b) has a micropore area of 10-90 m2/g.Type: ApplicationFiled: September 19, 2012Publication date: October 2, 2014Inventors: Sarah Caroline Ball, Graham Alan Hards, Marlene Rodlert, Jonathan David Brereton Sharman, Michael E Spahr
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Publication number: 20130209912Abstract: A platinum alloy catalyst PtXY, wherein X is a transition metal (other than platinum, palladium or iridium) and Y is a transition metal (other than platinum, palladium or iridium) which is less leachable than X in an acidic environment, has an atomic percentage in the alloy of platinum is from 20.5-40 at %, of X is from 40.5-78.5 at % X and of Y is from 1-19.5 at %.Type: ApplicationFiled: July 21, 2011Publication date: August 15, 2013Applicant: JOHNSON MATTHEY FUEL CELLS LIMITEDInventors: Brian Ronald Charles Theobald, Sarah Caroline Ball, Rachel Louise O'Malley, David Thompsett, Graham Alan Hards
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Patent number: 7851095Abstract: An anode structure for incorporation into a fuel cell includes a first region having one or more electrocatalysts, in which the first region is adjacent to the fuel inlet when the anode structure is incorporated into a fuel cell, and a second region having one or more electrocatalysts, in which the second region is adjacent to the fuel outlet when the anode structure is incorporated into a fuel cell. The first region is better at promoting the electrochemical oxidation of carbon monoxide than the second region.Type: GrantFiled: May 19, 2005Date of Patent: December 14, 2010Assignee: Johnson Matthey Public Limited CompanyInventors: Sarah Caroline Ball, David Thompsett
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Patent number: 7678162Abstract: An electrically conducting gas diffusion substrate, capable of removing oxidisable impurities from an impure gas stream, which comprises an electrically conducting porous structure and a first catalytic component, wherein the first catalytic component comprises a first catalyst supported on an electrically non-conducting support is disclosed. In addition, an electrode, a membrane electrode assembly and a fuel cell each comprising said electrically conducting gas diffusion substrate is disclosed.Type: GrantFiled: January 7, 2008Date of Patent: March 16, 2010Assignee: Johnson Matthey Public Limited CompanyInventors: Susan Joy Cooper, Graham Alan Hards, Gregor Hoogers, Sarah Caroline Ball, David Thompsett
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Publication number: 20080187817Abstract: An electrically conducting gas diffusion substrate, capable of removing oxidisable impurities from an impure gas stream, which comprises an electrically conducting porous structure and a first catalytic component, wherein the first catalytic component comprises a first catalyst supported on an electrically non-conducting support is disclosed. In addition, an electrode, a membrane electrode assembly and a fuel cell each comprising said electrically conducting gas diffusion substrate is disclosed.Type: ApplicationFiled: January 7, 2008Publication date: August 7, 2008Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Susan Joy Cooper, Graham Alan Hards, Gregor Hoogers, Sarah Caroline Ball, David Thompsett
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Patent number: 7338732Abstract: An electrically conducting gas diffusion substrate, capable of removing oxidizable impurities from an impure gas stream, which comprises an electrically conducting porous structure and a first catalytic component, wherein the first catalytic component comprises a first catalyst supported on an electrically non-conducting support is disclosed. In addition, an electrode, a membrane electrode assembly and a fuel cell each comprising said electrically conducting gas diffusion substrate is disclosed.Type: GrantFiled: June 14, 2000Date of Patent: March 4, 2008Assignee: Johnson Matthey Public Limited CompanyInventors: Susan Joy Cooper, Graham Alan Hards, Gregor Hoogers, Sarah Caroline Ball, David Thompsett