Lithium air battery

Patent metadata

Field	Value
Publication number	US-9905894-B2
Application number	US-201414291154-A
Country	US
Kind code	B2
Filing date	May 30, 2014
Priority date	Oct 10, 2013
Publication date	Feb 27, 2018
Grant date	Feb 27, 2018

Abstract

A lithium air battery including an anode for intercalating/deintercalating lithium ions; a cathode having oxygen as a cathode active material, a lithium ion conductive solid electrolyte membrane disposed between the anode and the cathode; and an electrolyte, wherein the electrolyte is disposed between the lithium ion conductive solid electrolyte membrane and the cathode, and wherein the electrolyte includes at least one compound selected from a compound represented by Formula 1 and a copolymer including a repeating unit represented by Formula 2 as an additive:

wherein in Formulae 1 and 2, groups CY1, CY2, a, b, c, b, R 1 to R 18 , and variables t, u, and v are defined in the specification.

First claim

What is claimed is:

1. A lithium air battery comprising:
an anode for intercalating/deintercalating lithium ions;
a cathode comprising oxygen as a cathode active material;
a lithium ion conductive solid electrolyte membrane disposed between the anode and the cathode; and
an electrolyte,
wherein the electrolyte is disposed between the lithium ion conductive solid electrolyte membrane and the cathode, and
wherein the electrolyte comprises at least one compound selected from a compound represented by Formula 1 and a copolymer comprising a repeating unit represented by Formula 2 as an additive:

wherein, in Formula 1,
CY1 is a substituted or unsubstituted C 6 -C 30 aromatic ring or a substituted or unsubstituted C 3 -C 30 heteroaromatic ring selected from a substituted or unsubstituted pyrazole ring, a substituted or unsubstituted imidazole ring, a substituted or unsubstituted imidazopyridine ring, a substituted or unsubstituted imidazopyrimidine, a substituted or unsubstituted pyrazine ring, a substituted or unsubstituted pyrimidine ring, a substituted or unsubstituted pyridazine ring, a substituted or unsubstituted indole ring, a substituted or unsubstituted purine ring, a substituted or unsubstituted quinoline ring, a substituted or unsubstituted phthalazine ring, a substituted or unsubstituted naphthridine ring, a substituted or unsubstituted quinazoline ring, a substituted or unsubstituted cinnoline ring, a substituted or unsubstituted indazole ring, a substituted or unsubstituted carbazole ring, a substituted or unsubstituted phenazine ring, a substituted or unsubstituted phenanthridine ring, a substituted or unsubstituted triazine ring, a substituted or unsubstituted phenanthroline ring, and a substituted or unsubstituted quinoxaline ring;
a is a substituted or unsubstituted C 1 -C 5 alkylene group;
b is

 and c is

R 1 to R 9 are independently a hydrogen atom, a halogen atom, a nitro group, an amino group, a cyano group, a hydroxyl group, —C(═O)R a , —C(═O)OR a , —OCO(OR a ), —C═N(R a ), —SR a , —S(═O)R a , —S(═O) 2 R a , —S(═O) 2 NHS(═O) 2 R a , —P(R a ) 2 , —P(═O)(R a ) 2 , a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkoxy group, a substituted or unsubstituted C 2 -C 20 alkenyl group, a substituted or unsubstituted C 2 -C 20 alkynyl group, a substituted or unsubstituted C 3 -C 30 cycloalkyl group, a substituted or unsubstituted C 3 -C 30 cycloalkenyl group, a substituted or unsubstituted C 2 -C 30 heterocycloalkyl group, a substituted or unsubstituted C 2 -C 30 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 6 -C 30 aryloxy group, a substituted or unsubstituted C 7 -C 30 arylalkyl group, a substituted or unsubstituted C 6 -C 30 heteroaryl group, a substituted or unsubstituted C 2 -C 30 heteroaryloxy group, a substituted or unsubstituted C 3 -C 30 heteroarylalkyl group, or a combination thereof, wherein R a is a hydrogen atom, a C 1 -C 10 alkyl group, or a C 6 -C 20 aryl group; and
t is between 1 and 100,000; and

wherein, in Formula 2,
CY2 is a substituted or unsubstituted C 6 -C 30 aromatic ring or a substituted or unsubstituted C 3 -C 30 heteroaromatic ring;
b is a block copolymer;
X is

 and Y is

R 10 to R 18 are independently a hydrogen atom, a halogen atom, a nitro group, an amino group, a cyano group, a hydroxyl group, —C(═O)R a1 , —C(═O)OR a1 , —OCO(OR a1 ), —C═N(R a1 ), —SR a1 , —S(═O)R a1 , —S(═O) 2 R a1 , —S(═O) 2 NHS(═O) 2 R a1 , —P(R a1 ) 2 , —P(═O)(R a1 ) 2 , a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkoxy group, a substituted or unsubstituted C 2 -C 20 alkenyl group, a substituted or unsubstituted C 2 -C 20 alkynyl group, a substituted or unsubstituted C 3 -C 30 cycloalkyl group, a substituted or unsubstituted C 3 -C 30 cycloalkenyl group, a substituted or unsubstituted C 2 -C 30 heterocycloalkyl group, a substituted or unsubstituted C 2 -C 30 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 6 -C 30 aryloxy group, a substituted or unsubstituted C 7 -C 30 arylalkyl group, a substituted or unsubstituted C 6 -C 30 heteroaryl group, a substituted or unsubstituted C 2 -C 30 heteroaryloxy group, a substituted or unsubstituted C 3 -C 30 heteroarylalkyl group, or a combination thereof, wherein R a1 is a hydrogen atom, a C 1 -C 10 alkyl group, or a C 6 -C 20 aryl group; and
v and u are each independently between 1 and 100,000.

2. The lithium air battery of claim 1 , wherein CY1 and CY2 are each independently a substituted or unsubstituted benzene ring, a substituted or unsubstituted pentacene ring, a substituted or unsubstituted indene ring, a substituted or unsubstituted naphthalene ring, a substituted or unsubstituted azulene ring, a substituted or unsubstituted heptalene ring, a substituted or unsubstituted indacene ring, a substituted or unsubstituted acenaphthalene ring, a substituted or unsubstituted fluorene ring, a substituted or unsubstituted phenalene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted anthracene ring, a substituted or unsubstituted fluoranthene ring, a substituted or unsubstituted triphenylene ring, a substituted or unsubstituted pyrene ring, a substituted or unsubstituted benzopyrene ring, a substituted or unsubstituted chrysene ring, a substituted or unsubstituted naphthacene ring, a substituted or unsubstituted phycene ring, a substituted or unsubstituted perylene ring, a substituted or unsubstituted pentaphene ring, a substituted or unsubstituted hexacene ring, a substituted or unsubstituted pyrrole ring, a substituted or unsubstituted pyrazole ring, a substituted or unsubstituted imidazole ring, a substituted or unsubstituted imidazopyridine ring, a substituted or unsubstituted imidazopyrimidine, a substituted or unsubstituted pyridine ring, a substituted or unsubstituted pyrazine ring, a substituted or unsubstituted pyrimidine ring, a substituted or unsubstituted pyridazine ring, a substituted or unsubstituted indole ring, a substituted or unsubstituted purine ring, a substituted or unsubstituted quinoline ring, a substituted or unsubstituted phthalazine ring, a substituted or unsubstituted naphthridine ring, a substituted or unsubstituted quinazoline ring, a substituted or unsubstituted cinnoline ring, a substituted or unsubstituted indazole ring, a substituted or unsubstituted carbazole ring, a substituted or unsubstituted phenazine ring, a substituted or unsubstituted phenanthridine ring, a substituted or unsubstituted triazine ring, a substituted or unsubstituted phenanthroline ring, or a substituted or unsubstituted quinoxaline ring.

3. The lithium air battery of claim 1 , wherein the electrolyte comprises at least one compound selected from a compound represented by Formula 3 and a copolymer comprising a repeating unit represented by Formula 4 as an additive:

wherein, in Formul

Assignees

• Samsung Electronics Co Ltd

Inventors

• Ma Sang Bok
• Lee Dong Joon
• Im Dong Min
• Kim Ki Hyun
• Kim Tae Young
• Park Min Sik
• Choi Won Sung

Classifications

• H01M2300/0094

  in the form of layered products, e.g. coatings · CPC title

• H01M12/08 Primary

  composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type · CPC title

• Y02E60/128

  Cross-Sectional Technologies · mapped topic

• H01M2300/0082

  Organic polymers · CPC title

• H01M2300/0088

  Composites · CPC title