IP Library Granted Patent US 9,620,773
Granted Patent B2
US 9,620,773 · App. 14/712,512 · Granted Apr 11, 2017

Anode materials for lithium ion batteries

Inventors: Ali Abouimrane (Naperville, IL); Khalil Amine (Oakbrook, IL)
Assignee: UCHICAGO ARGONNE, LLC
H01M4/364H01M4/131H01M4/133H01M4/134H01M4/483H01M4/485H01M4/505H01M4/525H01M4/58H01M4/587H01M4/13H01M4/139H01M2220/20
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Quick Facts
Patent No.
US 9,620,773
App. No.
14/712,512
Granted
Apr 11, 2017
Kind
B2
Abstract

An electrochemical device includes a composite material of general Formula (1-x)J-(x)Q wherein: J is a metal carbon alloy of formula Sn z Si z′ Met w Met′ w′ C t ; Q is a metal oxide of formula A γ M α M′ α′ O β ; and wherein: A is Li, Na, or K; M and M′ are individually Ge, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd; Met and Met′ are individually Ge, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd; 0<x<1; γ is 0, 1, or 2; 0<α≦1; 0≦α′≦1; β is 0.5, 1, 2, or 3; 0<t≦5; 1≦w≦5; 0<w′≦5; 1≦z≦5; and 0<z′≦5.

Claims (33)

1. An electrochemical device comprising an anode comprising a composite material of general Formula (1-x)J-(x)Q wherein:

J is a metal carbon alloy of formula Sn z Si z′ Met w Met′ w′ C t ; and

Q is a metal oxide of formula A γ M α M′ α′ O β ;

wherein:

A is Li, Na, or K;

M and M′ are individually Ge, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd;

Met and Met′ are individually Ge, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd;

0<x<1;

γ is 0, 1, or 2;

0<α≦1;

0≦α′≦1;

β is 0.5, 1, 2, or 3;

0<t≦5;

1≦w≦5;

0≦w′≦5;

1≦z≦5; and

0≦z′≦5.

2. The electrochemical device of claim 1 , wherein Met and Met′ are individually Ge, Mo, Al, Ga, As, Sb, Te, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, Cr, Mn, Fe, Ni, Cu, Zn, Nb, Rt, Ru or Cd.

3. The electrochemical device of claim 1 , wherein x is from 0.2 to 0.6.

4. The electrochemical device of claim 1 , wherein x is from 0.4 to 0.6.

5. The electrochemical device of claim 1 , wherein x is from 0.45 to 0.55.

6. The electrochemical device of claim 1 , wherein x is 0.5.

7. The electrochemical device of claim 1 , wherein A is Li.

8. The electrochemical device of claim 1 , wherein γ is 0.

9. The electrochemical device of claim 1 , wherein γ is 0 and α′ is 0.

10. The electrochemical device of claim 1 , wherein Q is a metal oxide of formula M α O β , wherein β is 0.5, 1, 2, or 3; and M is Si, Ge, Sn, Cu, Ni, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd.

11. The electrochemical device of claim 1 , wherein Q is a metal oxide of formula M α O β , wherein β is 0.5, 1, 2, or 3; and M is Si, Ge, Sn, or Mo.

12. The electrochemical device of claim 1 , wherein J is a metal carbon alloy of formula Sn z Met w C t ; wherein z is from 1 to 5; M is Co; w is from 1 to 5; and t is from 1 to 5.

13. The electrochemical device of claim 1 , wherein Q is a metal oxide of formula M α O β , wherein β is 0.5, 1, 2, or 3; and M is Si, Ge, Sn, Cu, Ni, Mo, Al, Ga, As, Sb, Te, Ti, Ta, Zr, Ca, Mg, Sr, Ba, Li, Na, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Rt, Ru or Cd; and J is a metal carbon alloy of formula Sn z Met w C t ; wherein z is from 1 to 5; Met is Co; w is from 1 to 5; and t is from 1 to 5.

14. The electrochemical device of claim 1 , wherein Q is a metal oxide of formula M α O β , wherein β is 0.5, 1, 2, or 3; and M is Si, Ge, Sn, or Mo; and J is a metal carbon alloy of formula Sn z Met w C t ; wherein z is from 1 to 5; Met is Co; w is from 1 to 5; and t is from 1 to 5.

15. The electrochemical device of claim 14 , wherein Q is SiO, carbon-coated SiO, SiO 2 , GeO 2 , SnO 2 , MoO 3 , carbon-coated SiO 2 , carbon-coated GeO 2 , carbon-coated SnO 2 , or carbon-coated MoO 3 ; and J is Sn 3 Co 3 C 4 .

16. The electrochemical device of claim 1 which is a lithium secondary battery, lithium air battery, lithium sulfur battery, lithium selenium battery, or lithium selenium-sulfur battery.

17. The electrochemical device of claim 1 which is a lithium secondary battery.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 24, 2017
From: ABOUIMRANE, ALI; AMINE, KHALIL
To: UCHICAGO ARGONNE, LLC
Reel/Frame 041366/0671 →
CONFIRMATORY LICENSE Recorded Oct 26, 2015
From: UCHICAGO ARGONNE, LLC
To: ENERGY, UNITED STATES DEPARTMENT OF
Reel/Frame 036985/0614 →
Continuity (3)
Continuation 13235138 · Sep 16, 2011
Provisional Application 61388904 · Oct 1, 2010
Related Publication 20150255785A1 · Sep 10, 2015