公开(公告)号：US20150099185A1

公开(公告)日：2015-04-09

申请号：US14382403

申请日：2013-02-28

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Nathaniel S. Hansen ,  Daehwan Cho ,  Kyoung Woo Kim

IPC: H01M2/16 ,  H01M2/14 ,  H01M10/0525

CPC classification number: H01M2/1633 ,  D01D5/003 ,  D01D5/0069 ,  D01F1/09 ,  D01F1/10 ,  D01F9/20 ,  H01M2/145 ,  H01M2/162 ,  H01M4/0469 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/136 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525 ,  H01M2004/021

Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.

Abstract translation: 本文公开了锂离子电池，电极，纳米纤维及其制造方法。 本文提供的电池具有（a）增加的能量密度; （b）减少粉碎（在锂化/脱锂过程中由于体积膨胀引起的结构破坏）; 和/或（c）寿命增加。 在本文所述的一些实施方案中，使用高通量，基于水的静电纺丝方法产生具有纳米结构如高分子晶体域，介孔，中空芯等的高能量材料（例如陶瓷）的纳米纤维; 并且这种纳米纤维当它们用于阳极或阴极材料时提供降低的粉碎和增加的充电速率。

公开(公告)号：US20220098759A1

公开(公告)日：2022-03-31

申请号：US17549130

申请日：2021-12-13

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Kyoung Woo Kim

IPC: D01D5/00 ,  D01D5/34

Abstract: Provided herein are electrospinning systems, apparatuses, components, and processes for the preparation of nanofibers, including high throughput systems, apparatuses, and processes for producing high performance nanofibers.

公开(公告)号：US20180331341A1

公开(公告)日：2018-11-15

申请号：US16035823

申请日：2018-07-16

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Nathaniel S. Hansen ,  Daehwan Cho ,  Kyoung Woo Kim

IPC: H01M2/16 ,  H01M10/0525 ,  D01F1/09 ,  D01F1/10 ,  D01F9/20 ,  H01M2/14 ,  H01M4/13 ,  D01D5/00 ,  H01M4/1395 ,  H01M4/1393 ,  H01M4/133 ,  H01M4/04 ,  H01M4/134 ,  H01M4/136 ,  H01M4/131 ,  H01M4/02

CPC classification number: H01M2/1633 ,  D01D5/003 ,  D01D5/0069 ,  D01F1/09 ,  D01F1/10 ,  D01F9/20 ,  H01M2/145 ,  H01M2/162 ,  H01M4/0469 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/136 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525 ,  H01M2004/021

Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.

公开(公告)号：US20180130999A1

公开(公告)日：2018-05-10

申请号：US15868659

申请日：2018-01-11

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Nathaniel S. Hansen ,  Daehwan Cho ,  Kyoung Woo Kim

IPC: H01M4/131 ,  H01M4/1391 ,  C08K3/22 ,  D01D5/00 ,  D01F9/10 ,  D01F11/06 ,  H01M4/04 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/587 ,  H01M4/60 ,  H01M4/62 ,  H01M4/36 ,  H01M4/02 ,  H01M2/16 ,  B82Y30/00 ,  H01M10/0525

CPC classification number: H01M4/131 ,  B82Y30/00 ,  C08K3/22 ,  C08K2003/2203 ,  C08K2003/2262 ,  C08K2003/2289 ,  C08K2003/2293 ,  D01D5/0015 ,  D01D5/003 ,  D01F9/10 ,  D01F11/06 ,  D10B2101/02 ,  D10B2321/00 ,  H01M2/162 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/362 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5815 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/602 ,  H01M4/604 ,  H01M4/622 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

Abstract: Lithium-containing nanofibers, as well as processes for making the same, are disclosed herein. In some embodiments described herein, using high throughput (e.g., gas assisted and/or water based) electrospinning processes produce nanofibers of high energy capacity materials with continuous lithium-containing matrices or discrete crystal domains.

公开(公告)号：US11728545B2

公开(公告)日：2023-08-15

申请号：US17360659

申请日：2021-06-28

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Nathaniel S. Hansen ,  Daehwan Cho ,  Kyoung Woo Kim

IPC: H01M50/446 ,  H01M4/13 ,  H01M10/0525 ,  H01M50/44 ,  H01M50/403 ,  H01M50/411 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/1395 ,  D01D5/00 ,  D01F1/10 ,  D01F9/20 ,  D01F1/09 ,  H01M50/491 ,  H01M50/42 ,  H01M50/489 ,  H01M50/414 ,  H01M4/131 ,  H01M4/136 ,  H01M4/02 ,  H01M4/04 ,  H01M4/134

CPC classification number: H01M50/446 ,  D01D5/003 ,  D01F1/09 ,  D01F1/10 ,  D01F9/20 ,  H01M4/13 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525 ,  H01M50/403 ,  H01M50/414 ,  H01M50/42 ,  H01M50/44 ,  H01M50/489 ,  H01M50/491 ,  D01D5/0069 ,  H01M4/0469 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/134 ,  H01M4/136 ,  H01M2004/021 ,  Y02E60/10

Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.

公开(公告)号：US10903482B2

公开(公告)日：2021-01-26

申请号：US15868659

申请日：2018-01-11

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Nathaniel S. Hansen ,  Daehwan Cho ,  Kyoung Woo Kim

IPC: H01M4/131 ,  D01D5/00 ,  D01F9/10 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/587 ,  H01M4/60 ,  C08K3/22 ,  D01F11/06 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/62 ,  H01M2/16 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/02 ,  B82Y30/00

Abstract: Lithium-containing nanofibers, as well as processes for making the same, are disclosed herein. In some embodiments described herein, using high throughput (e.g., gas assisted and/or water based) electrospinning processes produce nanofibers of high energy capacity materials with continuous lithium-containing matrices or discrete crystal domains.

公开(公告)号：US20150099186A1

公开(公告)日：2015-04-09

申请号：US14382423

申请日：2013-02-28

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Nathaniel S. Hansen ,  Daehwan Cho ,  Kyoung Woo Kim ,  Yong Seok Kim

IPC: H01M4/133 ,  D01D5/00 ,  H01M10/0525 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/134 ,  D01F1/09 ,  H01M4/04

CPC classification number: H01M2/1633 ,  D01D5/003 ,  D01D5/0069 ,  D01D5/14 ,  D01F1/09 ,  D01F1/10 ,  D01F9/20 ,  H01M2/145 ,  H01M2/162 ,  H01M4/0469 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/136 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/386 ,  H01M10/0525 ,  H01M2004/021 ,  Y02T10/7011

Abstract: Provided herein are silicon nanocomposite nanofibers and processes for preparing the same. In specific examples, provided herein are nanocomposite nanofibers comprising continuous silicon matrices and nanocomposite nanofibers comprising non-aggregated silicon domains.

Abstract translation: 本文提供硅纳米复合纳米纤维及其制备方法。 在具体实例中，本文提供了包含连续硅基质和包含非聚集硅结构域的纳米复合纳米纤维的纳米复合纳米纤维。

公开(公告)号：US20210399384A1

公开(公告)日：2021-12-23

申请号：US17360659

申请日：2021-06-28

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Nathaniel S. Hansen ,  Daehwan Cho ,  Kyoung Woo Kim

IPC: H01M50/446 ,  D01D5/00 ,  D01F1/10 ,  D01F9/20 ,  H01M4/13 ,  H01M10/0525 ,  H01M50/44 ,  H01M50/403 ,  H01M50/411 ,  D01F1/09 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/1395

Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.

公开(公告)号：US11050118B2

公开(公告)日：2021-06-29

申请号：US16035823

申请日：2018-07-16

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Nathaniel S. Hansen ,  Daehwan Cho ,  Kyoung Woo Kim

IPC: H01M2/16 ,  H01M10/0525 ,  H01M50/446 ,  D01D5/00 ,  D01F1/10 ,  D01F9/20 ,  H01M4/13 ,  H01M50/44 ,  H01M50/403 ,  H01M50/411 ,  D01F1/09 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/131 ,  H01M4/136 ,  H01M4/02 ,  H01M4/04 ,  H01M4/134

Abstract: Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.

公开(公告)号：US20170191193A1

公开(公告)日：2017-07-06

申请号：US15463226

申请日：2017-03-20

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Kyoung Woo Kim ,  Yong Seok Kim

IPC: D01F9/21 ,  D01D5/00 ,  D01F1/02 ,  D01D1/02

CPC classification number: D01D5/0015 ,  D01D1/02 ,  D01D5/003 ,  D01D5/0069 ,  D01F1/02 ,  D01F9/12 ,  D01F9/20 ,  D01F9/328 ,  D04H1/728 ,  H01M4/587 ,  H01M10/0525

Abstract: Provided herein are nanofibers comprising carbon precursors, nanofibers comprising carbon matrices, and processes for preparing the same. In specific examples, provided herein are high performance lithium ion battery anodic nanofibers comprising non-aggregated silicon domains in a continuous carbon matrix.