Valence Technology, Inc.

Faradion Limited

Other

Sharp Corporation

Iti Scotland Limited

Bp Solar Limited

Pellon Technologies, Inc.

Pellion Technologies, Inc.

Jeremy Barker

M Yazid Saidi

Jeffrey L Swoyer

Feng Gao

Richard Heap

Porter H Mitchell

Rene Koksbang

George William Adamson

Wade W Guindy

Chariclea A Scordilis-Kelley

Ming Dong

Tracy E Kelley

Titus Faulkner

Ruth Sayers

Yazid M Saidi

Gerbrand Ceder

Ib I Olsen

Steven D Cochran

Emma Kendrick

Peikang Liu

Aiden Bryan

Howard A Kisner

Mohamed-Yazid Saidi

J Lee Morris

Mohammad Parsian

Paul Burns

Richard Gover

Allan Dirilo

Frederik Flemming

Arnie Stux

Hang Shi

Robert Ellis Doe

Dane Morgan

Kristin Aslaug Persson

Eileen S Saidi

Ming Kai Dong

Rodney J Marshall

Yazid Saidi

Joshua Charles Treacher

Arnold Stux

Mehran Sadeghi

Rory Pynenburg

Arnold M Stux

M Yazid Saldi

Chaou Choak Tan

Christopher John Wright

Yang Liu

Noel Roche

Timothy Keith Mueller

Christopher Wright

Seyyed Shayan Meysami

Ashish Rudola

The invention relates to O3/P2 mixed-phase sodium-containing doped layered oxide materials which comprise a mixture of a first phase with an O3-type structure and a second phase with a P2-type structure; wherein the O3:P2 mixed-phase sodium-containing doped layered oxide material has the general formula: NaAMMMMMO. The invention also provides a process for making such O3/P2 mixed-phase sodium-containing doped layered oxide materials, and use applications therefor.

O3/P2 mixed phase sodium-containing doped layered oxide materials

The invention relates to novel non-aqueous electrolyte compositions comprising: a) a sodium-containing compounds of the general formula NaMFand b) a solvent system comprising a first solvent component i) which comprises propylene carbonate and one or more further organo carbonate-containing solvents, and a second solvent component ii) which comprises one or more glycol diethers and/or one or more glycol ether acetates; wherein the molar ratio of propylene carbonate:one or more glycol diethers and/or one or more glycol ether acetates is in the range 1:0.1 to 1:3.

Non-aqueous electrolyte compositions

The invention relates to a process for making sodium-ion cells, particularly sodium-ion cells which are capable of safe storage and/or transportation, comprising the steps: a) constructing a sodium-ion cell comprising a positive electrode, a negative electrode and an electrolyte, optionally performing one more charge/discharge operations on the sodium-ion cell; and b) treating the sodium-ion cell to ensure that it is in a state of charge of from 0% to 20%.

Storage and/or transportation of sodium-ion cells

The invention relates to doped nickelate-containing compounds comprising AMMMMMOwherein A comprises either sodium or a mixed alkali metal in which sodium is the major constituent; Mis nickel in oxidation state greater than 0 to less than or equal to 4+, Mcomprises a metal in oxidation state greater than 0 to less than or equal to 4+, Mcomprises a metal in oxidation state 2+, Mcomprises a metal in oxidation state greater than 0 to less than or equal to 4+, and Mcomprises a metal in oxidation state 3+ wherein 0&#x2264;a&#x3c;1, v&#x3e;0, at least one of w and y is &#x3e;0 x&#x2265;0, z&#x2265;0 wherein c is determined by a range selected from 0&#x3c;c&#x2264;0.1 and wherein (a, v, w, x, y, z and c) are chosen to maintain electroneutrality.

Doped nickelate compounds

The invention relates to novel material comprising X/hard carbon composite and to a process for their preparation, the process comprising the steps: a) forming a mixture comprising i) one or more hard carbon-starting materials, ii) one or more starting materials which comprise one or more of the component elements of X, and optionally iii) one or more secondary carbon-containing materials; and b) heating the resulting mixture at 100&#xb0; C. to 1500&#xb0; C. to yield the material comprising the X/hard carbon composite; wherein X comprises one or more component elements selected from antimony, tin, phosphorus, sulfur, boron, aluminium, gallium, indium, germanium, lead, arsenic, bismuth, titanium, molybdenum, selenium, tellurium, cobalt and nickel and wherein X is present in an amount of at least 5% by weight of the material comprising the X/hard carbon composite.

X/hard carbon composite material and method of preparing the x/hard carbon composite material

The invention relates to electrodes that contain active materials of the formula: AMXOwherein A is one or more alkali metals selected from lithium, sodium and potassium; M is selected from one or more transition metals and/or one or more non-transition metals and/or one or more metalloids; X comprises one or more atoms selected from niobium, antimony, tellurium, tantalum, bismuth and selenium; and further wherein 0&#x3c;a&#x2264;6; b is in the range: 0&#x3c;b&#x2264;4; x is in the range 0&#x3c;x&#x2264;1 and y is in the range 2&#x2264;y&#x2264;10. Such electrodes are useful in, for example, sodium and/or lithium ion battery applications.

Metallate electrodes

The invention relates to electrodes comprising doped nickelate-containing compositions comprising a first component-type comprising one or more components with an O3 structure of the general formula: AMvMwMxMyMzOwherein A comprises one or more alkali metal selected from sodium, lithium and potassium Mis nickel in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, Mcomprises one or more metals in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, and Mcomprises one or more metals in oxidation state 3+ wherein 0.85&#x2264;a&#x2264;1; 0&#x3c;v&#x3c;0.5; at least one of w and y is &#x3e;0; x&#x2265;0; z&#x2265;0; and wherein a, v, w, x, y and z are chosen to maintain electroneutrality; together with one or more component-types selected from a second component-type comprising one or more components with a P2 structure of the general formula: A'&#x3c;Mv&#x2032;Mw&#x2032;Mx&#x2032;&#x3c;My&#x2032;&#x3c;Mz&#x2032;Owherein A&#x2032; comprises one or more alkali metal selected from sodium, lithium and potassium; Mis nickel in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, Mcomprises one or more metals in oxidation state 2+, Mcomprises one or more metals in oxidation state 4&#x2212;, and Mcomprises one or more metals in oxidation state 3+ wherein 0.4&#x2264;a&#x2032;&#x3c;1; 0&#x3c;v&#x2032;&#x3c;0.5; at least one of w&#x2032; and y&#x2032; is &#x3e;0; x&#x2032;&#x2265;0, preferably x&#x2032;&#x3e;0; z&#x2032;&#x3e;0; and wherein a&#x2032;, v&#x2032;, w&#x2032;, x&#x2032;, y&#x2032; and z&#x2032; are chosen to maintain electroneutrality; and a third component-type comprising one or more components with a P3 structure of the general formula: A&#x2033;M1&#x2033;M2&#x2033;MMMOwherein A&#x2033; comprises one or more alkali metals selected from sodium, lithium and potassium; Mis nickel in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, Mcomprises one or more metals in oxidation state 2&#x2212;, Mcomprises one or more metals in oxidation state 4+, and Mcomprises one or more metals in oxidation state 3+ wherein 0.4&#x2264;a&#x2033;&#x3c;1, 0&#x3c;v&#x2033;&#x3c;0.5, At least one of w&#x2033; and y&#x2033; is &#x3e;0; x&#x2033;&#x2265;0; z&#x2033;&#x2265;0; and wherein a&#x2033;, v&#x2033;, w&#x2033;, x&#x2033;, y&#x2033; and z&#x2033; are chosen to maintain electroneutrality.

Compositions containing doped nickelate compounds

The invention relates to doped nickelate-containing material with the general formula: AMMMMMOwherein A comprises one or more alkali metals selected from sodium, lithium and potassium; Mis nickel in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, Mcomprises one or more metals in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, and Mcomprises one or more metals in oxidation state 3+ wherein 0.4&#x2264;a&#x3c;0.9, 0&#x3c;v&#x3c;0.5, at least one of w and y is &#x3e;0, x&#x3e;0, z&#x2265;0, 0&#x2264;&#x3b4;&#x2264;0.1, and wherein a, v, w, x, y and z are chosen to maintain electroneutrality.

Doped nickelate materials

The present invention is directed to an electrode comprising one or more sodium-containing transition metal silicate compounds of the formula: AMMXOwherein A comprises sodium or a mixture of sodium with lithium and/or potassium Mcomprises one or more transition metals, wherein Mis capable of undergoing oxidation to a higher oxidation state, Mcomprises one or more non transition metals and/or metalloids, X comprises at least 40 mol % silicon, a is &#x3e;0, b is &#x3e;0 c is &#x2265;0, d is &#x2265;1, e is &#x2265;2, wherein the values of a, b, c, d, and e are selected to maintain the electroneutrality of the compound; and further wherein the one or more sodium-containing transition metal silicate compounds does not include NaMnSiO.

Sodium transition metal silicates

The invention relates to electrodes comprising doped nickelate-containing compositions comprising a first component-type comprising one or more components with an 03 structure of the general formula: AMV MW MX My MZ Owherein A comprises one or more alkali metal selected from sodium, lithium and potassium; Mis nickel in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, Mcomprises one or more metals in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, and Mcomprises one or more metals in oxidation state 3+ wherein 0.85&#x2264;a&#x2264;1; 0&#x3c;v&#x3c;0.5; at least one of w and y is &#x3e;0; x&#x2265;0; z&#x2265;0; and wherein a, v, w, x, y and z are chosen to maintain electroneutrality; together with one or more component-types selected from a second component-type comprising one or more components with a P2 structure of the general formula: A'&#x3c;M&#x2032; V&#x2032; M&#x2032; W&#x2032; M&#x2032; X&#x2032;&#x3c;Mwherein A&#x2032; comprises one or more alkali metal selected from sodium, lithium and potassium; Mis nickel in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, Mcomprises one or more metals in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, and Mcomprises one or more metals in oxidation state 3+ wherein 0.4&#x2264;a&#x2032;&#x3c;1; 0&#x3c;v&#x2032;&#x3c;0.5; at least one of w&#x2032; and y&#x2032; is &#x3e;0; x&#x2032;&#x2265;0, preferably x&#x2032;&#x3e;0; z&#x2032;&#x3e;0; and wherein a&#x2032;, v&#x2032;, w&#x2032;, x&#x2032;, y&#x2032; and z&#x2032; are chosen to maintain electroneutrality; and a third component-type comprising one or more components with a P3 structure of the general formula: A&#x2033;M1&#x2033;M2&#x2033;MMMOwherein A&#x2033; comprises one or more alkali metals selected from sodium, lithium and potassium; Mis nickel in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, Mcomprises one or more metals in oxidation state 2+, Mcomprises one or more metals in oxidation state 4+, and Mcomprises one or more metals in oxidation state 3+ wherein 0.4&#x2264;a&#x2033;&#x3c;1, 0&#x3c;v&#x2033;&#x3c;0.5, At least one of w&#x2033; and y&#x2033; is &#x3e;0; x&#x2033;&#x2265;0; z&#x2033;&#x2265;0; and wherein a&#x2033;, v&#x2033;, w&#x2033;, x&#x2033;, y&#x2033; and z&#x2033; are chosen to maintain electroneutrality.

The invention relates to a novel solid state process for the preparation of metal-containing compounds comprising the steps i) forming a reaction mixture comprising one or more metal-containing precursor compounds and optionally one or more non-metal-containing reactants, and ii) using one or more hypophosphite-containing materials as a reducing agent; wherein one or more of the hypophosphite-containing materials is used as an agent to reduce one or more of the metal-containing precursor compounds; and further wherein the process is performed in the absence of an oxidizing atmosphere. Materials made by such a process are useful, for example, as electrode materials in alkali metal-ion battery applications.

Metal-containing compounds

The invention relates to a novel process for the preparation of metal-containing compounds comprising the steps of a) forming a mixture comprising i) elemental phosphorus and ii) one or more metal-containing precursor compounds, and b) heating the mixture to a temperature of at least 150&#xb0; C. Materials made by such a process are useful, for example, as electrode materials in alkali metal-ion battery applications.

The invention relates to novel electrodes containing one or more active materials comprising: AMMMMMO(Formula 1) wherein A comprises either sodium or a mixed alkali metal in which sodium is the constituent; Mis nickel in oxidation state less than or equal to 4+, Mcomprises a metal in oxidation state less than or equal to 4+, Mcomprises a metal in oxidation state 2+, Mcomprises a metal in oxidation state less than or equal to 4+, and Mcomprises a metal in oxidation state 3+ wherein 0&#x2266;a&#x2266;1 v&#x3e;0 at least one of w and y is &#x3e;0 x&#x2267;0 z&#x2267;0 c&#x3e;0.1 where (a, v, w, x, y, z and c) are chosen to maintain electroneutrality. Such materials are useful, for example, as electrode materials in sodium-ion battery applications.AMMMMMO&#x2003;&#x2003;(Formula)

The invention relates to novel materials of the formula: AMMMMMOwherein A is one or more alkali metals comprising sodium and/or potassium either alone or in a mixture with lithium as a minor constituent; Mis nickel in oxidation state +2; Mcomprises a metal in oxidation state +4 selected from one or more of manganese, titanium and zirconium; Mcomprises a metal in oxidation state +2, selected from one or more of magnesium, calcium, copper, zinc and cobalt; Mcomprises a metal in oxidation state +4, selected from one or more of titanium, manganese and zirconium; Mcomprises a metal in oxidation state +3, selected from one or more of aluminum, iron, cobalt, molybdenum, chromium, vanadium, scandium and yttrium; wherein 0&#x2266;&#x3b4;&#x2266;0.1 V is in the range 0&#x3c;V&#x3c;0.5; W is in the range 0&#x3c;W&#x2266;0.5; X is in the range 0&#x2266;X&#x3c;0.5; Y is in the range 0&#x2266;Y&#x3c;0.5; Z is &#x2267;0; and further wherein V+W+X+Y+Z=1. Such materials are useful, for example, as electrode materials in sodium ion battery applications.

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Oxfordshire, United Kingdom

Jeremy Barker