Global Patent Index - EP 3254322 A4

EP 3254322 A4 20190220 - NICKEL HYDROXIDE POSITIVE ELECTRODE FOR ALKALINE RECHARGEABLE BATTERY

Title (en)

NICKEL HYDROXIDE POSITIVE ELECTRODE FOR ALKALINE RECHARGEABLE BATTERY

Title (de)

NICKELHYDROXID-POSITIVELEKTRODE FÜR ALKALIAKKUMULATOR

Title (fr)

ÉLECTRODE POSITIVE À BASE D'HYDROXYDE DE NICKEL POUR PILE ALCALINE RECHARGEABLE

Publication

EP 3254322 A4 20190220 (EN)

Application

EP 16747067 A 20160202

Priority

  • US 201514614753 A 20150205
  • US 201514614838 A 20150205
  • US 2016016041 W 20160202

Abstract (en)

[origin: WO2016126622A1] A nickel hydroxide cathode active material for use in an alkaline rechargeable electrochemical cell, which active material is capable of transferring >1.67 electrons per Ni atom. A nickel hydroxide cathode active material for use in an alkaline rechargeable electrochemical cell, where the specific capacity of the material is ≥330mAh/g. A nickel hydroxide cathode active material for use in an alkaline rechargeable electrochemical cell, where Ni reaches an oxidation state of less than +2 during charge/discharge cycling of an alkaline rechargeable cell.

IPC 8 full level

H01M 4/32 (2006.01); H01M 4/52 (2010.01); H01M 4/62 (2006.01); H01M 10/30 (2006.01); H01M 10/34 (2006.01); C01G 53/04 (2006.01)

CPC (source: EP)

C01G 53/04 (2013.01); C01G 53/82 (2025.01); H01M 4/32 (2013.01); H01M 4/52 (2013.01); H01M 4/62 (2013.01); H01M 10/345 (2013.01); C01P 2002/50 (2013.01); C01P 2002/52 (2013.01); C01P 2004/32 (2013.01); C01P 2004/61 (2013.01); C01P 2006/11 (2013.01); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01); H01M 2004/021 (2013.01); Y02E 60/10 (2013.01)

Citation (search report)

  • [XA] NAKAMICHI YAMASAKI ET AL: "Reduction kinetics of Ni(OH)2 to nickel powder preparation under hydrothermal conditions", METALLURGICAL AND MATERIALS TRANSACTIONS B - PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, vol. 24, no. 4, 1 August 1993 (1993-08-01), United States, pages 557 - 561, XP055540716, ISSN: 0360-2141, DOI: 10.1007/BF02673170
  • [XAI] Y.L. ZHAO ET AL: "Different additives-substituted [alpha]-nickel hydroxide prepared by urea decomposition", ELECTROCHIMICA ACTA., vol. 50, no. 1, 20 August 2004 (2004-08-20), GB, pages 91 - 98, XP055540726, ISSN: 0013-4686, DOI: 10.1016/j.electacta.2004.07.016
  • [XA] Z.J. ZHANG ET AL: "Electrochemical performance of multi-element doped [alpha]-nickel hydroxide prepared by supersonic co-precipitation method", JOURNAL OF ALLOYS AND COMPOUNDS., vol. 509, no. 25, 29 March 2011 (2011-03-29), CH, pages 7034 - 7037, XP055540736, ISSN: 0925-8388, DOI: 10.1016/j.jallcom.2011.03.104
  • [XA] CAIYUN WANG: "Cathodic materials for nickel-metal hydride batteries", 1 January 2003 (2003-01-01), pages 1 - 176, XP055540769, Retrieved from the Internet <URL:http://ro.uow.edu.au/theses/192> [retrieved on 20190111]
  • See also references of WO 2016126622A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2016126622 A1 20160811; CN 107251284 A 20171013; CN 107251284 B 20210316; EP 3254322 A1 20171213; EP 3254322 A4 20190220; JP 2018508950 A 20180329; JP 6771471 B2 20201021

DOCDB simple family (application)

US 2016016041 W 20160202; CN 201680008801 A 20160202; EP 16747067 A 20160202; JP 2017541289 A 20160202