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US5731104A Expired / Lapsed US ⏱️ 0.0 years remaining

Batteries, conductive compositions, and conductive films containing organic liquid electrolytes and plasticizers

Assignee: SRI International Inc
•
Filing: 1997-02-28
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Granted: 1998-03-24
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Expires: 2017-02-28
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Abstract

Abstract Novel batteries formulated with compositions comprising liquid electrolyte plasticizers having enhanced ambient temperature conductivity are provided. These plasticizers have the following general structures ##STR1## in which R a , R b , R c , X, Y, Z, α, β, γ, and l are as defined herein. Novel compositions and films comprising these plasticizers are also provided.

Inventors

  • 👤 Susanna C. Ventura
  • 👤 Subhash C. Narang
  • 👤 Georgina Hum
  • 👤 Peikang Liu
  • 👤 Prema Ranganathan
  • 👤 Luying Sun

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:50
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/052; C; C07; C07C; C07C69/00; C07C69/96; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/32; C07D317/34; C07D317/36; C07D323/00; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122; H01M10/056; H01M10/0564; H01M10/0565; H01M6/00; H01M6/22; H01M2300/00; H01M2300/0085; H01M6/14; H01M6/16; H01M6/162; H01M6/164; H01M6/168; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 200 words
An ion conductive composition having enhanced ambient temperature conductivity comprising: (a) a liquid electrolyte plasticizer having the structure ##STR26## wherein R a is independently selected from the group consisting of alkyl, --(CO)OR d , --(C.sub.ρ H 2 ρ).sub.τ --(OC 2 R b 4 ).sub.α --OR d , ##STR27## and R b is independently selected from the group consisting of H, alkyl, aryl, alkenyl, fluoro, and fluorinated lower alkyl, R c is alkylene or --(C.sub.ρ H 2 ρ).sub.ρ --(OC 2 R b 4 ).sub.α --m R d is H or alkyl, X is lower alkylene, Y is selected from the group consisting of H, aryl and alkyl, Z is selected from the group consisting of H and CH 2 O(CO)OR a , α, γ, l, ρ and τ are integers in the range of 0 to 10 inclusive, β is 0, 1 or 2, p is an integer in the ravage of 1 to 5 inclusive, and q is an integer in the range of 0 to 6 inclusive; and (b) an ion conductive material selected from the group a salt of the formula C-A, wherein C is a cation and A is an anion and a single-ion conducting polymer electrolyte.
Claim 2
Dependent Claim 200 words
An ion conductive composition having enhanced ambient temperature conductivity comprising: (a) a liquid electrolyte plasticizer having the structure ##STR26## wherein R a is independently selected from the group consisting of alkyl, --(CO)OR d , --(C.sub.ρ H 2 ρ).sub.τ --(OC 2 R b 4 ).sub.α --OR d , ##STR27## and R b is independently selected from the group consisting of H, alkyl, aryl, alkenyl, fluoro, and fluorinated lower alkyl, R c is alkylene or --(C.sub.ρ H 2 ρ).sub.ρ --(OC 2 R b 4 ).sub.α --m R d is H or alkyl, X is lower alkylene, Y is selected from the group consisting of H, aryl and alkyl, Z is selected from the group consisting of H and CH 2 O(CO)OR a , α, γ, l, ρ and τ are integers in the range of 0 to 10 inclusive, β is 0, 1 or 2, p is an integer in the ravage of 1 to 5 inclusive, and q is an integer in the range of 0 to 6 inclusive; and (b) an ion conductive material selected from the group a salt of the formula C-A, wherein C is a cation and A is an anion and a single-ion conducting polymer electrolyte.
Claim 3
Dependent Claim 19 words
The ion conductive composition of claim 1, wherein the ion conductive material is a salt of the formula C-A.
Claim 4
Dependent Claim 23 words
The ion conductive composition of claim 2, wherein C is selected from the group consisting of groups IA, IB, IIA, and IIB, elements.
Claim 5
Dependent Claim 11 words
The ion conductive composition of claim 3, wherein C is lithium.
Claim 6
Dependent Claim 13 words
The ion conductive composition of claim 4, wherein A is PF 6 .
Claim 7
Dependent Claim 37 words
An ion conductive film having enhanced ambient temperature ion conductivity and mechanical strength, comprising the ion conductive composition of claim 5 and an amount of a strengthening material effective to enhance the mechanical strength of the film.
Claim 8
Dependent Claim 19 words
A solid state battery comprising a positive electrode, a negative electrode and the ion conductive composition of claim 5.
Claim 9
Dependent Claim 17 words
The ion conductive composition of claim 4, wherein A is N(CF 3 SO 2 ) 2 .
Claim 10
Dependent Claim 37 words
An ion conductive film having enhanced ambient temperature ion conductivity and mechanical strength, comprising the ion conductive composition of claim 8 and an amount of a strengthening material effective to enhance the mechanical strength of the film.
Claim 11
Dependent Claim 19 words
A solid state battery comprising a positive electrode, a negative electrode and the ion conductive composition of claim 8.
Claim 12
Dependent Claim 11 words
The ion conductive composition of claim 3, wherein C is sodium.
Claim 13
Dependent Claim 61 words
The ion conductive composition of claim 2, wherein A is selected from the group consisting of Cl, CF 3 SO 2 , ClO 4 , BF 4 , Br, I, SCN, AsF 6 , N(CF 3 SO 2 ) 2 , PF 6 , SbF 6 , and O(CO)R l , wherein R l is H, alkyl, aryl, alkenyl, halo, haloalkyl.
Claim 14
Dependent Claim 13 words
The ion conductive composition of claim 12, wherein A is PF 6 .
Claim 15
Dependent Claim 17 words
The ion conductive composition of claim 12, wherein A is N(CF 3 SO 2 ) 2 .
Claim 16
Dependent Claim 37 words
An ion conductive film having enhanced ambient temperature ion conductivity and mechanical strength, comprising the ion conductive composition of claim 2 and an amount of a strengthening material effective to enhance the mechanical strength of the film.
Claim 17
Dependent Claim 19 words
A solid state battery comprising a positive electrode, a negative electrode and the ion conductive composition of claim 2.
Claim 18
Dependent Claim 18 words
The ion conductive composition of claim 1, wherein the ion conductive material is a single-ion conducting polymer electrolyte.
Claim 19
Dependent Claim 155 words
The ion conductive composition of claim 17, wherein the single-ion conducting polymer electrolyte has the structure ##STR28## wherein: R 1 and R 2 are individually selected from the group consisting of moieties having the structure --(CH.sub.2).sub.x1 (OCH.sub.2 CH.sub.2).sub.y1 (OCF.sub.2 CF.sub.2).sub.z1 SO.sub.2 R.sup.3 in which x1 and z1 may be the same or different and are integers in the range of 1 to 100 inclusive, y1 is an integer in the range of 0 to 100 inclusive, and R 3 is --OM, --N(M)SO 2 CF 3 or --C(M)(SO 2 CF 3 ) 2 and M is an alkali metal, or wherein one of R 1 and R 2 has the structure --(CH.sub.2).sub.x1 (OCH.sub.2 CH.sub.2).sub.y1 (OCF.sub.2 CF.sub.2).sub.z1 SO.sub.2 R.sup.3 and the other is selected from the group consisting of hydrogen, lower alkyl, fluorinated lower alkyl, lower alkenyl, fluorinated lower alkenyl, aryl and aralkylene; and n is an integer indicating the number of mer units in the polymer.
Claim 20
Dependent Claim 37 words
An ion conductive film having enhanced ambient temperature ion conductivity and mechanical strength comprising the ion conductive composition of claim 18 and an amount of a strengthening material effective to enhance the mechanical strength of the film.
Claim 21
Dependent Claim 19 words
A solid state battery comprising a positive electrode, a negative electrode and the ion conductive composition of claim 18.
Claim 22
Dependent Claim 37 words
An ion conductive film having enhanced ambient temperature ion conductivity and mechanical strength, comprising the ion conductive composition of claim 17 and an amount of a strengthening material effective to enhance the mechanical strength of the film.
Claim 23
Dependent Claim 19 words
A solid state battery comprising a positive electrode, a negative electrode and the ion conductive composition of claim 17.
Claim 24
Dependent Claim 37 words
An ion conductive film having enhanced ambient temperature ion conductivity and mechanical strength, comprising the ion conductive composition of claim 1 and an amount of a stregthening material effective to enhance the mechanical strength of the film.
Claim 25
Dependent Claim 19 words
A solid state battery comprising a positive electrode, a negative electrode and the ion conductive composition of claim 1.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-03-23 2001-09-22 2002-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-03-23 2005-09-22 2006-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-03-23 2009-09-22 2010-03-24 $7700.00 Window Closed / Lapsed

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