The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 2019
Filed:
May. 20, 2015
Faradion Limited, Sheffield, South Yorkshire, GB;
Faradion Limited, Sheffield, South Yorkshire, GB;
Abstract
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≤a≤1; 0<v<0.5; at least one of w and y is >0; x≥0; z≥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'<M′ V′ M′ W′ M′ X′<Mwherein 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 0.4≤a′<1; 0<v′<0.5; at least one of w′ and y′ is >0; x′≥0, preferably x′>0; z′>0; and wherein a′, v′, w′, x′, y′ and z′ are chosen to maintain electroneutrality; and a third component-type comprising one or more components with a P3 structure of the general formula: A″M1″M2″MMMOwherein 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≤a″<1, 0<v″<0.5, At least one of w″ and y″ is >0; x″≥0; z″≥0; and wherein a″, v″, w″, x″, y″ and z″ are chosen to maintain electroneutrality.