公开(公告)号：US09649627B1

公开(公告)日：2017-05-16

申请号：US15010937

申请日：2016-01-29

Applicant: GM Global Technology Operations LLC

Inventor： Xingcheng Xiao ,  Ryan J. Day ,  Gongshin Qi

IPC: B01J23/00 ,  B01J37/02 ,  B01J23/40 ,  B01J37/08

CPC classification number: B01J37/0221 ,  B01J23/40 ,  B01J33/00 ,  B01J37/08

Abstract: Catalysts that are resistant to high-temperature sintering and methods for preparing such catalysts that are resistant to sintering at high temperatures are provided. The catalysts include a metal nanoparticle bound to a metal oxide support, where the metal nanoparticle and support are coated with a porous metal oxide coating layer. The catalyst is prepared by contacting a metal nanoparticle bound to a metal oxide support with a solution of metal salts, drying the solution of metal salts, and calcining the metal salts to generate a porous metal oxide coating on the metal nanoparticle and metal oxide support.

公开(公告)号：US09531004B2

公开(公告)日：2016-12-27

申请号：US14138267

申请日：2013-12-23

Applicant: GM Global Technology Operations LLC

Inventor： Xingcheng Xiao ,  Mark W. Verbrugge ,  John S. Wang

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/48 ,  H01M4/04 ,  H01M4/58 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/583

CPC classification number: H01M4/366 ,  H01M4/0402 ,  H01M4/0423 ,  H01M4/0428 ,  H01M4/48 ,  H01M4/485 ,  H01M4/582 ,  H01M4/583 ,  H01M4/622 ,  H01M4/625 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: An electroactive material for use in an electrochemical cell, like a lithium ion battery, is provided. The electroactive material comprises a multifunctional hybrid protective coating system formed over an electroactive material. The coating system includes a first oxide-based coating disposed on one or more surfaces of the electroactive material, followed by a second coating deposited via a non-aqueous process. The second coating may be a fluoride-based, nitride-based, or carbide-based coating. The first and second coatings may be applied by atomic layer deposition (ALD) to form conformal ultrathin layers over the electroactive materials. Such a multifunctional hybrid protective coating system can suppress formation of gases within the electrochemical cell and also minimize formation of solid electrolyte interface (SEI) layers on the electrode to improve battery performance. Methods for making such materials and using such materials in electrochemical cells are likewise provided.

Abstract translation: 提供了用于电化学电池中的电活性材料，如锂离子电池。 电活性材料包括在电活性材料上形成的多功能混合保护涂层系统。 涂层系统包括设置在电活性材料的一个或多个表面上的第一氧化物基涂层，随后是通过非水性方法沉积的第二涂层。 第二涂层可以是氟化物基，氮化物基或碳化物基涂层。 第一和第二涂层可以通过原子层沉积（ALD）来施加，以在电活性材料上形成保形超薄层。 这种多功能混合保护涂层系统可以抑制电化学电池内的气体的形成，并且还使电极上的固体电解质界面（SEI）层的形成最小化以改善电池性能。 同样提供了制造这种材料并在电化学电池中使用这种材料的方法。

公开(公告)号：US20160211498A1

公开(公告)日：2016-07-21

申请号：US14601355

申请日：2015-01-21

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jung Hyun Kim ,  Bob R. Powell, JR. ,  Meng Jiang ,  Peng Lu ,  Xingcheng Xiao ,  Nicholas P. W. Pieczonka

IPC: H01M2/16 ,  H01M4/13 ,  H01M4/505 ,  H01M10/0562 ,  H01M10/0565 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0585

CPC classification number: H01M2/1686 ,  H01M2/1646 ,  H01M4/13 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/056 ,  H01M10/0562 ,  H01M10/0565 ,  H01M10/0585 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0068 ,  H01M2300/0071 ,  H01M2300/0082

Abstract: A lithium-ion conducting, solid electrolyte is deposited on a thin, flexible, porous alumina membrane which is placed between co-extensive facing side surfaces of a porous, lithium-accepting, negative electrode and a positive electrode formed of a porous layer of particles of a compound of lithium, a transition metal element, and optionally, another metal element. A liquid electrolyte formed, for example, of LiPF6 dissolved in an organic solvent, infiltrates the electrode materials of the two porous electrodes for transport of lithium ions during cell operation. But the solid electrolyte permits the passage of only lithium ions, and the negative electrode is protected from damage by transition metal ions or other chemical species produced in the positive electrode of the lithium-ion cell.

Abstract translation: 将锂离子传导固体电解质沉积在薄的柔性多孔氧化铝膜上，该氧化铝膜放置在由多孔，锂接受，负极和由多孔颗粒层形成的正电极的共面向侧面之间 的锂化合物，过渡金属元素和任选的另一种金属元素。 例如由溶解在有机溶剂中的LiPF 6形成的液体电解质在电池操作期间渗入两个多孔电极的电极材料以输送锂离子。 但是固体电解质仅允许锂离子通过，并且保护负极免受过渡金属离子或在锂离子电池的正极中产生的其它化学物质的损害。

公开(公告)号：US20160133918A1

公开(公告)日：2016-05-12

申请号：US14539222

申请日：2014-11-12

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xingcheng Xiao ,  Weidong Zhou

IPC: H01M4/04 ,  H01M4/66 ,  H01M4/1395 ,  H01M4/48

CPC classification number: H01M4/1395 ,  C01B33/325 ,  C09K13/04 ,  H01M4/0404 ,  H01M4/0421 ,  H01M4/0428 ,  H01M4/134 ,  H01M4/366 ,  H01M4/386 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2300/0028

Abstract: In an example of the method disclosed herein, SiOx (0

Abstract translation: 在本文公开的方法的实例中，将SiO x（0

公开(公告)号：US09302914B2

公开(公告)日：2016-04-05

申请号：US14194089

申请日：2014-02-28

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Zhongyi Liu ,  Qiangfeng Xiao ,  Xingcheng Xiao ,  Michael K. Carpenter ,  Mei Cai

IPC: B44C1/22 ,  C23F1/00 ,  C23F3/00 ,  C01B31/04 ,  H01M4/04 ,  H01M4/13 ,  H01M4/36 ,  H01M4/62 ,  C01B31/02 ,  H01M4/02 ,  H01M4/38 ,  H01M4/48 ,  H01M10/052

CPC classification number: C01B31/04 ,  C01B31/02 ,  C01B32/05 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/362 ,  H01M4/38 ,  H01M4/387 ,  H01M4/483 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/021

Abstract: In an example of a method for making a hollow carbon material, a carbon black particle is obtained. The carbon black particle has a concentric crystallite structure with an at least partially amorphous carbon core and a graphitic carbon shell surrounding the at least partially amorphous carbon core. The carbon black particle is exposed to any of a heat treatment, a chemical treatment, or an electrochemical treatment which removes the at least partially amorphous carbon core to form the hollow carbon material.

Abstract translation: 在制造中空碳材料的方法的实例中，获得炭黑颗粒。 炭黑颗粒具有至少部分无定形碳芯的同心微晶结构和围绕至少部分无定形碳芯的石墨碳壳。 炭黑颗粒暴露于除去至少部分无定形碳芯以形成中空碳材料的任何热处理，化学处理或电化学处理。

公开(公告)号：US20150263379A1

公开(公告)日：2015-09-17

申请号：US14724703

申请日：2015-05-28

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xingcheng Xiao ,  John S. Wang

IPC: H01M10/0525 ,  H01M4/131 ,  H01M4/134 ,  H01M4/136 ,  H01M4/587 ,  C25D7/06 ,  H01M4/38 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M2/16 ,  H01M4/46

Abstract: An electrochemical cell is formed. The cell includes a non-lithium negative electrode in contact with a lithium ion permeable negative electrode current collector, and a positive electrode disposed in contact with a lithium ion permeable positive electrode current collector. The non-lithium negative electrode and the positive electrode are lithium ion permeable. The cell also has a lithium source electrode including lithium ions. A respective microporous polymer separator is disposed between the lithium source electrode and each of the negative and positive electrodes; or a first separator is disposed between the lithium source electrode and one of the negative and positive electrodes, and a second separator is disposed between the negative and positive electrodes. An electrolyte is introduced into the electrochemical cell. A voltage potential is applied across the electrochemical cell to pre-lithiate any of the non-lithium negative electrode and positive electrode with lithium ions from the lithium source electrode.

Abstract translation: 形成电化学电池。 电池包括与锂离子透过性负极集电体接触的非锂负极和与锂离子透过性正极集电体接触的正极。 非锂负极和正极是锂离子可渗透的。 该电池还具有包含锂离子的锂源电极。 各个微孔聚合物隔板设置在锂源电极和负极和正电极之间; 或者在锂源极和负极和正极中的一个之间设置第一隔板，在负极和正极之间设置第二隔板。 将电解质引入到电化学电池中。 在电化学电池上施加电压电位，以从锂源电极中锂离子预锂化任何非锂负电极和正电极。

公开(公告)号：US20150221935A1

公开(公告)日：2015-08-06

申请号：US14173512

申请日：2014-02-05

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Weidong Zhou ,  Xingcheng Xiao ,  Mei Cai

IPC: H01M4/36

CPC classification number: H01M4/366 ,  H01M4/0471 ,  H01M4/1397 ,  H01M4/581 ,  H01M4/625 ,  H01M4/76 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

Abstract: A sulfur based active material has a core-shell structure including a hollow core and a porous carbon shell surrounding the hollow core. Sulfur is present in a portion of the hollow core. A polymer shell coating is formed on the porous carbon shell. The polymer shell coating includes nitrogen atoms that bond to carbon atoms of the porous carbon shell so that the porous carbon shell is a nitrogen-confused porous carbon shell.

Abstract translation: 硫基活性材料具有核 - 壳结构，其包括中空芯和围绕中空芯的多孔碳壳。 硫存在于中空芯的一部分中。 在多孔碳壳上形成聚合物壳涂层。 聚合物壳涂层包括与多孔碳壳的碳原子键合的氮原子，使得多孔碳壳是氮混合的多孔碳壳。