公开(公告)号：US11575006B2

公开(公告)日：2023-02-07

申请号：US16982477

申请日：2019-03-19

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng Duan ,  Yu Huang ,  Yuan Liu

IPC: H01L29/06 ,  H01L29/66 ,  H01L29/786 ,  H01L51/05 ,  H01L31/0352 ,  H01L33/20

Abstract: An electronic or optoelectronic device includes: (1) a layer of a first material; and (2) a layer of a second material disposed on the layer of the first material, wherein the first material is different from the second material, and the layer of the first material is spaced from the layer of the second material by a gap.

公开(公告)号：US09680158B2

公开(公告)日：2017-06-13

申请号：US14397628

申请日：2013-04-29

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Yu Huang ,  Yujing Li

IPC: H01M4/90 ,  H01M4/92 ,  H01M4/86 ,  H01M8/1018

CPC classification number: H01M4/9083 ,  H01M4/8605 ,  H01M4/921 ,  H01M4/926 ,  H01M2008/1095 ,  Y02E60/50

Abstract: A fuel cell includes: (1) an anode; (2) a cathode; and (3) an electrolyte disposed between the anode and the cathode. At least one of the anode and the cathode includes an electro-catalyst dispersed on a hybrid support, the hybrid support includes a first, carbon-based support and a second support different from the first, carbon-based support, and a weight percentage of the second support is at least 10% relative to a combined weight of the first, carbon-based support and the second support.

公开(公告)号：US12255339B2

公开(公告)日：2025-03-18

申请号：US17605192

申请日：2020-04-21

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng Duan ,  Yu Huang ,  Chengzhang Wan ,  Mufan Li

IPC: H01M12/06 ,  C25B11/081 ,  C25B11/089 ,  H01M4/92 ,  H01M12/08

Abstract: Provided herein are catalyst materials comprising a catalyst support; and PtM′ nanowires affixed to the catalyst support, wherein the PtM′ nanowires include single atomic species of M′ at exterior surfaces of the PtM′ nanowires, and M′ represents at least one metal, e.g., a metal different from Pt. Also disclosed are manufacturing methods comprising: providing initial MM′ nanowires having an initial molar ratio of M:M′, wherein M is a noble metal, and M′ is a metal different from M; subjecting the initial MM′ nanowires to electrochemical dealloying to partially remove M′ and form partially dealloyed MM′ nanowires having a subsequent molar ratio of M:M′, wherein the subsequent molar ratio of M:M′ is greater than the initial molar ratio of M:M′; and affixing the partially dealloyed MM′ nanowires to a catalyst support.

公开(公告)号：US11421345B2

公开(公告)日：2022-08-23

申请号：US16329084

申请日：2017-08-29

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng Duan ,  Yu Huang ,  Mufan Li

IPC: C30B33/10 ,  C30B7/14 ,  C30B29/52 ,  C25B11/02 ,  C25F1/00 ,  H01M4/92 ,  B22F9/24 ,  C30B29/60 ,  C25F7/00 ,  B22F1/16 ,  B22F1/17 ,  B22F1/054 ,  B82Y30/00 ,  B82Y40/00

Abstract: A manufacturing method includes: (1) providing M-M′ nanowires, wherein M′ is at least one sacrificial metal different from M; and (2) subjecting the M-M′ nanowires to electrochemical de-alloying to form jagged M nanowires.

公开(公告)号：US20170194144A1

公开(公告)日：2017-07-06

申请号：US15510618

申请日：2015-09-10

Applicant: Xiangfeng Duan ,  Yu Huang ,  THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng Duan ,  Yu Huang

IPC: H01L21/02 ,  B05D1/18 ,  B05D1/00 ,  H01L21/477 ,  H01L21/428

CPC classification number: H01L21/02628 ,  B05D1/005 ,  B05D1/18 ,  H01L21/02381 ,  H01L21/02488 ,  H01L21/02568 ,  H01L21/02601 ,  H01L21/428 ,  H01L21/477 ,  H01L29/78681 ,  H01L29/78684

Abstract: A method of forming a thin film includes: (1) providing an ink composition including nanoplates of a layered material disposed in a liquid dispersion medium; (2) applying the ink composition over a substrate to form a coating; and (3) annealing the coating to form a thin film of the nanoplates over the substrate.

公开(公告)号：US11348740B2

公开(公告)日：2022-05-31

申请号：US16888030

申请日：2020-05-29

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng Duan ,  Yu Huang ,  Benjamin Papandrea ,  Xu Xu

IPC: H01G11/32 ,  H01G11/36 ,  H01M4/1397 ,  C01B32/198 ,  H01M4/136 ,  C01B32/168 ,  H01G11/06 ,  H01G11/24 ,  H01G11/28 ,  H01G11/66 ,  H01G11/86 ,  H01G11/70 ,  H01G11/04 ,  H01G11/46 ,  H01G11/58

Abstract: The present disclosure provides supercapacitors that may avoid shortcomings of current energy storage technology. Provided herein are materials and fabrication processes of such supercapacitors. In some embodiments, an electrochemical system comprising a first electrode, a second electrode, wherein at least one of the first electrode and the second electrode comprises a three dimensional porous reduced graphene oxide framework.

公开(公告)号：US20220144714A1

公开(公告)日：2022-05-12

申请号：US17427277

申请日：2020-01-23

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng Duan ,  Yu Huang ,  Xiang Xu

IPC: C04B38/06 ,  C04B38/00 ,  C04B35/583 ,  C04B35/14 ,  C04B35/80 ,  C04B35/628

Abstract: A ceramic aerogel includes a porous framework including interconnected double-paned wall structures of a ceramic material, wherein each double-paned wall structure includes a pair of walls spaced apart by a gap.

公开(公告)号：US20210242468A1

公开(公告)日：2021-08-05

申请号：US17239267

申请日：2021-04-23

Applicant: The Regents of the University of California

Inventor： Xiangfeng Duan ,  Yu Huang ,  Hongtao Sun

IPC: H01M4/80 ,  H01M4/13 ,  H01M4/1391 ,  H01M4/131 ,  H01M4/62 ,  H01M4/48 ,  H01G11/26 ,  H01M4/139 ,  H01G11/86 ,  H01G11/46 ,  H01G11/70 ,  H01G11/36 ,  C01B32/194 ,  H01M4/04 ,  H01M4/36 ,  H01M4/66

Abstract: A method of forming an electrode material includes: (1) loading an electrochemically active material onto graphene sheets; (2) combining the electrochemically active material-loaded graphene sheets with holey graphene oxide sheets to form a mixture; and (3) treating the mixture under reducing conditions to form a composite including a graphene framework loaded with the electrochemically active material.

公开(公告)号：US11011755B2

公开(公告)日：2021-05-18

申请号：US15714883

申请日：2017-09-25

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng Duan ,  Yu Huang ,  Hongtao Sun

IPC: H01M4/80 ,  H01M4/13 ,  H01M4/1391 ,  H01M4/131 ,  H01M4/62 ,  H01M4/48 ,  H01G11/26 ,  H01M4/139 ,  H01G11/86 ,  H01G11/46 ,  H01G11/70 ,  H01G11/36 ,  C01B32/194 ,  H01M4/04 ,  H01M4/36 ,  H01M4/66 ,  H01M4/485 ,  H01M4/505 ,  H01M4/58 ,  H01M4/38 ,  H01M4/525 ,  B82Y30/00 ,  B82Y40/00 ,  H01M4/02

Abstract: A method of forming an electrode material includes: (1) loading an electrochemically active material onto graphene sheets; (2) combining the electrochemically active material-loaded graphene sheets with holey graphene oxide sheets to form a mixture; and (3) treating the mixture under reducing conditions to form a composite including a graphene framework loaded with the electrochemically active material.

公开(公告)号：US10714272B2

公开(公告)日：2020-07-14

申请号：US15415732

申请日：2017-01-25

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng Duan ,  Yu Huang ,  Benjamin Papandrea ,  Xu Xu

IPC: H01G11/32 ,  H01G11/36 ,  H01G11/24 ,  H01G11/28 ,  H01G11/66 ,  H01G11/86 ,  H01G11/70 ,  H01G11/04 ,  H01G11/46 ,  H01G11/58

Abstract: The present disclosure provides supercapacitors that may avoid shortcomings of current energy storage technology. Provided herein are materials and fabrication processes of such supercapacitors. In some embodiments, an electrochemical system comprising a first electrode, a second electrode, wherein at least one of the first electrode and the second electrode comprises a three dimensional porous reduced graphene oxide framework.