(19)
(11)EP 3 641 031 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
29.07.2020 Bulletin 2020/31

(43)Date of publication A2:
22.04.2020 Bulletin 2020/17

(21)Application number: 19201876.0

(22)Date of filing:  12.02.2014
(51)International Patent Classification (IPC): 
H01M 4/38(2006.01)
C01B 33/021(2006.01)
H01M 4/134(2010.01)
H01M 10/0525(2010.01)
H01M 4/36(2006.01)
H01M 4/1395(2010.01)
H01M 4/04(2006.01)
(84)Designated Contracting States:
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

(30)Priority: 14.02.2013 US 201313815258

(62)Application number of the earlier application in accordance with Art. 76 EPC:
14752121.5 / 2956410

(71)Applicant: Upreti, Shailesh
Ithaca, NY 14850 (US)

(72)Inventor:
  • Upreti, Shailesh
    Ithaca, NY 14850 (US)

(74)Representative: Studio Torta S.p.A. 
Via Viotti, 9
10121 Torino
10121 Torino (IT)

  


(54)COMPOSITE SILICON OR COMPOSITE TIN PARTICLES


(57) The specification relates to a composite particle for storing lithium. The composite particle is used in an electrochemical cell. The composite particle includes a metal oxide on the surface of the composite particle, a major dimension that is approximately less than or equal to 40 microns and a formula of MM'Z, wherein M is from the group of Si and Sn, M' is from a group of Mn, Mg, Al, Mo, Bronze, Be, Ti, Cu, Ce, Li, Fe, Ni, Zn, Co, Zr, K, and Na, and Z is from the group of O, Cl, P, C, S, H, and F.







Search report
























Search report