Global Patent Index - EP 2804845 A4

EP 2804845 A4 20150819 - LITHIUM-ION-CONDUCTING MATERIALS

Title (en)

LITHIUM-ION-CONDUCTING MATERIALS

Title (de)

LITHIUMIONENLEITENDE MATERIALIEN

Title (fr)

MATÉRIAUX CONDUCTEURS AU LITHIUM-ION

Publication

EP 2804845 A4 20150819 (EN)

Application

EP 13738426 A 20130116

Priority

  • US 201261587039 P 20120116
  • US 2013021730 W 20130116

Abstract (en)

[origin: WO2013109622A1] Lithium-ion-conducting ceramic materials are disclosed having characteristics of high lithium-ion conductivity at low temperatures, good current efficiency, and stability in water and corrosive media under static and electrochemical conditions. Some general formulas for the lithium-ion-conducting materials include MI 1+x+z-deltaMIII xMIVa yMIVb 2-x-yMV zP3-zO12 and MI 1+x+4z-deltaMIII xMIVa yMIVb 2-x-y-zP3O12, wherein MI comprises Li, Na, or mixtures thereof; 0.05<x<0.5, 0.05<y<2, 0< z<3, and 0<delta<0.5; Mm comprises A1, Hf, Sc, Y, La, or mixtures thereof; MIVa comprises Zr, Ge, Sn, or mixtures thereof; MIVb comprises Ti; and MV comprises Si, Ge, Sn, or mixtures thereof. In some cases, the lithium-ion conducting materials are formed through a process in which the materials' powdered precursors are milled after being calcined and before being sintered. The milling process may include using milling media of multiple sizes.

IPC 8 full level

C04B 35/46 (2006.01); C04B 35/64 (2006.01); H01M 10/052 (2010.01)

CPC (source: EP)

C01B 25/45 (2013.01); C04B 35/16 (2013.01); C04B 35/447 (2013.01); C04B 35/6262 (2013.01); C04B 35/64 (2013.01); H01M 10/0562 (2013.01); C04B 2235/3201 (2013.01); C04B 2235/3203 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3227 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3287 (2013.01); C04B 2235/3293 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/6567 (2013.01); H01M 10/052 (2013.01); H01M 10/0566 (2013.01); H01M 2300/0068 (2013.01); H01M 2300/0088 (2013.01); Y02E 60/10 (2013.01)

Citation (search report)

  • [XAI] US 2010331170 A1 20101230 - BALAGOPAL SHEKAR [US], et al
  • [X] JP 2007123081 A 20070517 - OHARA KK
  • [X] CN 102280658 A 20111214 - HARBIN INST OF TECHNOLOGY
  • [E] EP 2786440 A1 20141008 - CORNING INC [US]
  • [X] US 4985317 A 19910115 - ADACHI GINYA [JP], et al
  • [X] JP 2011213539 A 20111027 - NAMICS CORP
  • [AP] EP 2448046 A1 20120502 - SAMSUNG SDI CO LTD [KR]
  • [XA] MALDONADO-MANSO P ET AL: "HIGH LITHIUM IONIC CONDUCTIVITY IN THE LI1+XALXGEYTI2-X-Y(PO4)3 NASICON SERIES", CHEMISTRY OF MATERIALS, AMERICAN CHEMICAL SOCIETY, US, vol. 15, no. 9, 6 May 2003 (2003-05-06), pages 1879 - 1885, XP001233336, ISSN: 0897-4756, DOI: 10.1021/CM021717J
  • [XA] HUANG JIAN-DONG, LIN BIN, WANG WEN-JI: "Studies on a New System of Lithium Fast Ion Conductors Based on Kaolinite and liZr2(PO4)", CHEMICAL RESEARCH IN CHINESE UNIVERSITIES, vol. 13, no. 2, 1997, pages 146 - 149, XP002741495
  • [XA] WENJI W ET AL: "Study on sodium fast ion conductors in the Na1+3xAlxHf2-xSi2xP3-2xO12 system", SOLID STATE IONICS, NORTH HOLLAND PUB. COMPANY. AMSTERDAM; NL, NL, vol. 89, no. 1-2, 1 August 1996 (1996-08-01), pages 165 - 168, XP004070136, ISSN: 0167-2738, DOI: 10.1016/0167-2738(96)00267-6
  • [X] ORLIUKAS ET AL: "Synthesis, structure and electrical properties of Li1+x+yScxYyTi2-x-y(PO4)3 (x=0.15-0.3, y=0.01-0.15) ceramics", SOLID STATE IONICS, NORTH HOLLAND PUB. COMPANY. AMSTERDAM; NL, NL, vol. 179, no. 1-6, 22 January 2008 (2008-01-22), pages 159 - 163, XP022517296, ISSN: 0167-2738, DOI: 10.1016/J.SSI.2007.12.036
  • [X] T. SALKUS ET AL: "XPS and ionic conductivity studies on Li1.3Al0.15Y0.15Ti1.7(PO4)3 ceramics", IONICS, vol. 16, no. 7, 2 May 2010 (2010-05-02), pages 631 - 637, XP055198650, ISSN: 0947-7047, DOI: 10.1007/s11581-010-0433-2
  • [X] HASEGAWA S ET AL: "Study on lithium/air secondary batteries-Stability of NASICON-type lithium ion conducting glass-ceramics with water", JOURNAL OF POWER SOURCES, ELSEVIER SA, CH, vol. 189, no. 1, 1 April 2009 (2009-04-01), pages 371 - 377, XP025982710, ISSN: 0378-7753, [retrieved on 20080814], DOI: 10.1016/J.JPOWSOUR.2008.08.009
  • [A] KNAUTH ET AL: "Inorganic solid Li ion conductors: An overview", SOLID STATE IONICS, NORTH HOLLAND PUB. COMPANY. AMSTERDAM; NL, NL, vol. 180, no. 14-16, 25 June 2009 (2009-06-25), pages 911 - 916, XP026148411, ISSN: 0167-2738, [retrieved on 20090519], DOI: 10.1016/J.SSI.2009.03.022
  • See references of WO 2013109622A1

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 2013109622 A1 20130725; EP 2804845 A1 20141126; EP 2804845 A4 20150819

DOCDB simple family (application)

US 2013021730 W 20130116; EP 13738426 A 20130116