Polymer-electrolyte membrane, electrochemical fuel cell, and related method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-008/14
H01M-008/10
출원번호
US-0690721
(2012-11-30)
등록번호
US-8906572
(2014-12-09)
발명자
/ 주소
Krishnan, Lakshmi
Yeager, Gary William
Soloveichik, Grigorii Lev
출원인 / 주소
General Electric Company
대리인 / 주소
Coppa, Francis T.
인용정보
피인용 횟수 :
0인용 특허 :
18
초록▼
A polymer-electrolyte membrane is presented. The polymer-electrolyte membrane comprises an acid-functional polymer, and an additive incorporated in at least a portion of the membrane. The additive comprises a fluorinated cycloaliphatic additive, a hydrophobic cycloaliphatic additive, or combinations
A polymer-electrolyte membrane is presented. The polymer-electrolyte membrane comprises an acid-functional polymer, and an additive incorporated in at least a portion of the membrane. The additive comprises a fluorinated cycloaliphatic additive, a hydrophobic cycloaliphatic additive, or combinations thereof, wherein the additive has a boiling point greater than about 120° C. An electrochemical fuel cell including the polymer-electrolyte membrane, and a related method, are also presented.
대표청구항▼
1. A polymer-electrolyte membrane, comprising: an acid-functional polymer; anda fluorinated cycloaliphatic additive incorporated in at least a portion of the membrane, wherein the fluorinated cycloaliphatic additive has a boiling point greater than about 120° C., and wherein the fluorinated cycloali
1. A polymer-electrolyte membrane, comprising: an acid-functional polymer; anda fluorinated cycloaliphatic additive incorporated in at least a portion of the membrane, wherein the fluorinated cycloaliphatic additive has a boiling point greater than about 120° C., and wherein the fluorinated cycloaliphatic additive is present in the membrane in an amount in a range from about 0.5 weight percent to about 10 weight percent of the total weight of the membrane. 2. The polymer-electrolyte membrane of claim 1, wherein the acid-functional polymer comprises a plurality of acid functional groups selected from the group consisting of a sulfonic acid moiety, a phosphoric acid moiety, a phosphonic acid moiety, a sulfonylimide moiety, and combinations thereof. 3. The polymer-electrolyte membrane of claim 1, further comprising an electrolyte comprising water, an oxo-acid, a nitrogen heterocyclic base, or combinations thereof. 4. A membrane electrode assembly comprising the polymer-electrolyte membrane of claim 1. 5. The polymer-electrolyte membrane of claim 1, wherein the fluorinated cycloaliphatic additive comprises a fluorinated cycloaliphatic compound selected from the group consisting of cis-perfluorodecalin, trans-perfluorodecalin, perfluoro-1-methyldecalin, perfluoroisopentyl-tetrahydropyran, perfluorobicyclohexane, perfluorohydrophenanthrene, tetracosafluorotetradecahydroanthracene, perfluoro-1,4,5,8-dimethanodecalin, and combinations thereof. 6. The polymer-electrolyte membrane of claim 1, wherein the acid-functional polymer comprises an acid functional fluoropolymer. 7. An electrochemical fuel cell, comprising: a first electrode;a second electrode; anda polymer-electrolyte membrane disposed between the first electrode and the second electrode, wherein the polymer-electrolyte membrane comprises:an acid-functional polymer; anda fluorinated cycloaliphatic additive incorporated in at least a portion of the membrane, wherein the fluorinated cycloaliphatic additive has a boiling point greater than about 120° C., and wherein the fluorinated cycloaliphatic additive is present in the membrane in an amount in a range from about 0.5 weight percent to about 10 weight percent of the total weight of the membrane. 8. The electrochemical fuel cell of claim 7, further comprising an electrolyte comprising water, an oxo-acid, a nitrogen heterocyclic base, or combinations thereof. 9. A method of making an electrochemical fuel cell, comprising: (i) incorporating an additive into at least a portion of a polymer-electrolyte membrane to form an additive-modified polymer-electrolyte membrane, wherein the additive comprises a fluorinated cycloaliphatic compound having a boiling point greater than about 120° C., wherein the fluorinated cycloaliphatic compound is present in the membrane in an amount in a range from about 0.5 weight percent to about 10 weight percent of the total weight of the membrane; and(ii) assembling a first electrode, the additive-modified polymer-electrolyte membrane, and a second electrode into the electrochemical fuel cell. 10. The method of claim 9, wherein the step (i) comprises contacting at least a portion of the polymer-electrolyte membrane with a solution comprising the additive.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (18)
Iyer, Subramanian T. M., Amine-based fuel cell/battery with high specific energy density.
Hamrock, Steven J.; Larson, James M.; Pham, Phat T.; Frey, Matthew H.; Haugen, Gregory M.; Lamanna, William M., Fuel cell electrolyte membrane with acidic polymer.
Wilkinson, David P.; Campbell, Stephen A.; Roberts, Joy A., Impregnation of microporous electrocatalyst particles for improving performance in an electrochemical fuel cell.
Adachi, Shinya; Izuhara, Daisuke; Nakamura, Masataka; Shimoyama, Naoki; Uete, Takao; Kidai, Masayuki, Membrane electrode assembly and method of producing the same and fuel cell.
Wilkinson, David P.; Chiem, Bien Hung; Roberts, Joy A.; St-Pierre, Jean; Stumper, Jurgen; Zimmermann, Joerg, Method and apparatus for controlling the temperature within an electrochemical fuel cell.
Wilkinson David P.,CAX ; St.-Pierre Jean,CAX ; Roberts Joy A.,CAX ; Campbell Stephen A.,CAX, Method of reducing fuel cell performance degradation of an electrode comprising porous components.
Tayanagi, Jun-ichi; Watakabe, Atsushi; Saito, Susumu; Ueno, Katsuya, Process for producing electrolyte material for polymer electrolyte fuel cells, and membrane-electrode assembly for polymer electrolyte fuel cells.
Okazoe, Takashi; Watakabe, Atsushi; Ito, Masahiro; Watanabe, Kunio; Eriguchi, Takeshi; Kashiwagi, Kimiaki; Wang, Shu-zhong, Processes for producing a fluorosulfonyl group-containing compound and a compound LED from the fluorosulfonyl group-containing compound.
Okazoe,Takashi; Watakabe,Atsushi; Ito,Masahiro; Watanabe,Kunio; Eriguchi,Takeshi; Kashiwagi,Kimiaki; Wang,Shu zhong, Processes for producing a fluorosulfonyl group-containing compound and a compound led from the fluorosulfonyl group-containing compound.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.