公开(公告)号：US12180346B2

公开(公告)日：2024-12-31

申请号：US17366689

申请日：2021-07-02

Applicant: Xergy Inc.

Inventor： Bamdad Bahar ,  Taoli Gu ,  Sai Nitin Yellamilli

IPC: B01D53/22 ,  C08J5/22

Abstract: An anion exchange ionomer is disclosed that contains a fluorinated, ether-free backbone, and a fluorinated ether based quaternary ammonium functional group. The novel polymer has improved chemical and mechanical stability as compared to the state-of-the-art materials for incorporation in anion exchange membrane. The disclosed anion exchange ionomer may be incorporated into an anion exchange membrane and used in electrochemical applications.

公开(公告)号：US20210320315A1

公开(公告)日：2021-10-14

申请号：US16789346

申请日：2020-02-12

Applicant: Xergy Inc

Inventor： Bamdad Bahar ,  Taoli Gu

IPC: H01M8/1023 ,  H01M8/22 ,  H01M8/1053 ,  H01M8/1058 ,  H01M8/1051 ,  C08G61/10 ,  B01J41/13

Abstract: An anion exchange polymer includes aryl ether linkage free polyarylenes having aromatic/polyaromatic rings in polymer backbone and a tethered alkyl quaternary ammonium hydroxide side groups. This anion exchange polymer may be utilized in an anion exchange process and may be made into a thin anion transfer membrane. An ion transfer membrane may be mechanically reinforced having one or more layers of functional polymer based on a terphenyl backbone with quaternary ammonium functional groups and an inert porous scaffold material for reinforcement. An anion exchange membrane may have multilayers of anion exchange polymers which each containing varying types of backbones, varying degrees of functionalization, or varying functional groups to reduce ammonia crossover through the membrane.

公开(公告)号：US11554347B2

公开(公告)日：2023-01-17

申请号：US17095993

申请日：2020-11-12

Applicant: Xergy Inc.

Inventor： Bamdad Bahar ,  Taoli Gu ,  David McAndrews ,  Abhishek Bandlore ,  Jacob Sumner Zerby

IPC: B01D63/06 ,  B01D61/36 ,  B01D63/10 ,  B01D69/02 ,  B01D71/56 ,  B01D71/80 ,  B01D69/12 ,  B01D71/52

Abstract: Composite polyether block amide (PEBA) copolymer tubes incorporate an ultra-thin PEBA layer that enables rapid moisture transfer and exchange through the tube. A composite PEBA film may include a porous scaffold support and may be formed or incorporated into the composite PEBA tube. A porous scaffold support may be coated or imbibed with PEBA to form a composite PEBA film. A composite PEBA film may be wrapped on a mandrel or over a porous scaffold support to form a composite PEBA tube. A film layer may be applied over a wrapped composite PEBA film to secure the layers together. The film layer by applied by dipping, spraying or painting.

公开(公告)号：US11552320B2

公开(公告)日：2023-01-10

申请号：US16789346

申请日：2020-02-12

Applicant: Xergy Inc

Inventor： Bamdad Bahar ,  Taoli Gu

IPC: H01M8/1023 ,  H01M8/22 ,  H01M8/1053 ,  H01M8/1058 ,  H01M8/1051 ,  B01J41/13 ,  C08G61/10 ,  H01M8/10

Abstract: An anion exchange polymer includes aryl ether linkage free polyarylenes having aromatic/polyaromatic rings in polymer backbone and a tethered alkyl quaternary ammonium hydroxide side groups. This anion exchange polymer may be utilized in an anion exchange process and may be made into a thin anion transfer membrane. An ion transfer membrane may be mechanically reinforced having one or more layers of functional polymer based on a terphenyl backbone with quaternary ammonium functional groups and an inert porous scaffold material for reinforcement. An anion exchange membrane may have multilayers of anion exchange polymers which each containing varying types of backbones, varying degrees of functionalization, or varying functional groups to reduce ammonia crossover through the membrane.

公开(公告)号：US11318421B2

公开(公告)日：2022-05-03

申请号：US16872098

申请日：2020-05-11

Applicant: Xergy Inc.

Inventor： Bamdad Bahar ,  Taoli Gu ,  David McAndrews ,  Abhishek Bandlore

IPC: B01D63/06 ,  B01D69/12 ,  B01D67/00 ,  B01D71/80 ,  B01D69/10 ,  C08G69/40 ,  B01D71/36 ,  B01D71/26 ,  B01D61/36

Abstract: Composite membrane tubing includes a porous scaffold support combined with polyether block amide copolymer. The composite membrane tubing has overlapping “fusion areas” that are an artifact of the manufacturing process. The methods of manufacturing above-mentioned composite membrane tubing have also been addressed. The composite membrane tubing can be reinforced with a structural mesh to further provide rigidity and strength. Composite membrane tubing or generally extruded tubing can be integrated into a multi-tube module for various applications.

公开(公告)号：US11969722B2

公开(公告)日：2024-04-30

申请号：US16913767

申请日：2020-06-26

Applicant: Xergy Inc.

Inventor： Bamdad Bahar ,  Taoli Gu

IPC: B01D53/22 ,  B01D69/02 ,  B01D69/10 ,  B01D69/12 ,  B01D71/72 ,  B01J23/42 ,  B01J41/09 ,  B01J41/10 ,  B01J41/13

CPC classification number: B01J41/13 ,  B01D69/02 ,  B01D69/10 ,  B01D69/12 ,  B01D71/72 ,  B01J23/42 ,  B01J41/09 ,  B01J41/10 ,  B01D2325/02 ,  B01D2325/10 ,  B01D2325/42

Abstract: An ultra-thin anion exchange membrane incorporates functional additives to provide improved water management. Without the functional additives the ultra-thin membrane may have high cross-over and not be effective for many applications. A composite anion exchange membrane includes a porous scaffold support such as a porous polymer. The anion exchange polymer may be coupled to the porous scaffold, such as by being imbibed into the pores of the porous scaffold. The functional additives may contribute to increase water production, water retention, back-diffusion and reduce the gas crossover. A functional additive may include a reactive species, including a catalyst that reacts with oxygen or hydrogen, a plasticizer, a hygroscopic material and/or a radical scavenger.

公开(公告)号：US20210347956A1

公开(公告)日：2021-11-11

申请号：US17366689

申请日：2021-07-02

Applicant: Xergy Inc.

Inventor： Bamdad Bahar ,  Taoli Gu ,  Sai Nitin Yellamilli

IPC: C08J5/22

Abstract: An anion exchange ionomer is disclosed that contains a fluorinated, ether-free backbone, and a fluorinated ether based quaternary ammonium functional group. The novel polymer has improved chemical and mechanical stability as compared to the state-of-the-art materials for incorporation in anion exchange membrane. The disclosed anion exchange ionomer may be incorporated into an anion exchange membrane and used in electrochemical applications.

公开(公告)号：US20210060493A1

公开(公告)日：2021-03-04

申请号：US17095993

申请日：2020-11-12

Applicant: Xergy Inc.

Inventor： Bamdad Bahar ,  Taoli Gu ,  David McAndrews ,  Abhishek Bandlore ,  Zerby Sumner Jacob

IPC: B01D63/06 ,  B01D61/36 ,  B01D63/10 ,  B01D69/02 ,  B01D71/52 ,  B01D71/56 ,  B01D71/80 ,  B01D69/12

Abstract: Composite polyether block amide (PEBA) copolymer tubes incorporate an ultra-thin PEBA layer that enables rapid moisture transfer and exchange through the tube. A composite PEBA film may include a porous scaffold support and may be formed or incorporated into the composite PEBA tube. A porous scaffold support may be coated or imbibed with PEBA to form a composite PEBA film. A composite PEBA film may be wrapped on a mandrel or over a porous scaffold support to form a composite PEBA tube. A film layer may be applied over a wrapped composite PEBA film to secure the layers together. The film layer by applied by dipping, spraying or painting.