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公开(公告)号：US20220223856A1
公开(公告)日：2022-07-14
申请号：US17571976
申请日：2022-01-10
Inventor： Yang Yang
Abstract: An alloy anode for a seawater based aqueous battery and a universal strategy for preparing anodes for use in seawater based aqueous batteries. Zn-M alloys (where M can be manganese or other transition metal) were prepared by co-electrodeposition in the presence of hydrogen bubble formation to produce a porous nanostructured alloy that can serve as an anode for a seawater based aqueous battery. Exemplary Zn—Mn alloy anodes achieved stability over thousands of cycles even under harsh electrochemical conditions, including testing in seawater-based aqueous electrolytes and using a high current density of 80 mA cm−2. The anode design strategy allows for the production of durable electrodes for aqueous batteries and other applications.
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公开(公告)号：US20210354120A1
公开(公告)日：2021-11-18
申请号：US17303005
申请日：2021-05-18
Inventor： Yang Yang , Jinfa Chang
IPC: B01J37/34 , B01J37/02 , C25B11/091 , C25B1/04 , B01J35/02 , B01J37/28 , B01J27/185
Abstract: The design of bifunctional catalysts for water splitting by modifying the electronic structure of the catalyst. That bifunctional catalyst that is synthesized is a quaternary FeNi—PSe nanoporous film (FeNi—PSe NF). A self-supported FeNi—PSE NF is synthesized and used as an anode and a cathode in a two-electrode electrolytic cell. The cell is subjected to a water source, and the FeNi—PSe NFs split the water molecules to produce hydrogen fuel. The slightly oxidized FeNi—PSe surface serves as an active site for oxygen evolution reactions, making hydrogen evolution reactions and oxygen evolution reactions well-balanced, thereby improving electrolysis efficiency.
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公开(公告)号：US12286715B2
公开(公告)日：2025-04-29
申请号：US17470472
申请日：2021-09-09
Inventor： Yang Yang
IPC: B01J21/06 , B01J23/00 , B01J23/02 , B01J35/64 , B01J35/66 , C23C14/16 , C23C14/18 , C23C14/30 , C23C14/58 , C25B1/04 , C25B1/55 , C25B9/17 , C25B11/051 , C25B11/091 , C25D11/26 , H01L31/0224
Abstract: A heterostructured catalyst includes a 2-dimensional (2D) array of titanium including nanocavities that are all directly attached to a substrate. Each of the titanium including nanocavities have a pore with a nanopore size and a wall with a nanowall thickness. The titanium including nanocavities can be titania nanocavities with a metal layer or a metal compound layer on the titania nanocavities including inside the pores, or the titanium including nanocavities can include SrTiO3 or consist of SrTiO3, each with a surface layer of reduced SrTiO3.
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公开(公告)号：US12251692B2
公开(公告)日：2025-03-18
申请号：US17303005
申请日：2021-05-18
Inventor： Yang Yang , Jinfa Chang
IPC: B01J37/34 , B01J27/185 , B01J35/00 , B01J35/30 , B01J37/02 , B01J37/28 , B82Y40/00 , C25B1/04 , C25B11/091
Abstract: The design of bifunctional catalysts for water splitting by modifying the electronic structure of the catalyst. That bifunctional catalyst that is synthesized is a quaternary FeNi—PSe nanoporous film (FeNi—PSe NF). A self-supported FeNi—PSE NF is synthesized and used as an anode and a cathode in a two-electrode electrolytic cell. The cell is subjected to a water source, and the FeNi—PSe NFs split the water molecules to produce hydrogen fuel. The slightly oxidized FeNi—PSe surface serves as an active site for oxygen evolution reactions, making hydrogen evolution reactions and oxygen evolution reactions well-balanced, thereby improving electrolysis efficiency.
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公开(公告)号：US11894552B2
公开(公告)日：2024-02-06
申请号：US17571976
申请日：2022-01-10
Inventor： Yang Yang
CPC classification number: H01M4/42 , H01M4/045 , H01M10/36 , H01M2004/021 , H01M2004/027 , H01M2300/0002
Abstract: An alloy anode for a seawater based aqueous battery and a universal strategy for preparing anodes for use in seawater based aqueous batteries. Zn-M alloys (where M can be manganese or other transition metal) were prepared by co-electrodeposition in the presence of hydrogen bubble formation to produce a porous nanostructured alloy that can serve as an anode for a seawater based aqueous battery. Exemplary Zn—Mn alloy anodes achieved stability over thousands of cycles even under harsh electrochemical conditions, including testing in seawater-based aqueous electrolytes and using a high current density of 80 mA cm−2. The anode design strategy allows for the production of durable electrodes for aqueous batteries and other applications.
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Patent Agency Ranking
公开(公告)号：US20240014410A1
公开(公告)日：2024-01-11
申请号：US18219983
申请日：2023-07-10
Inventor： Yang Yang , Jinfa Chang
IPC: H01M4/92 , H01M8/1011
CPC classification number: H01M4/925 , H01M4/921 , H01M8/1013
Abstract: Described herein relates to a high-entropy alloy (hereinafter “HEA”) catalyst and a method of optimizing a catalytic reaction within an electrochemical cell. The HEA catalyst may be fabricated from the following which includes but is not limited to Platinum acetylacetonate, Palladium acetylacetonate, Iron acetylacetonate, Cobalt acetylacetonate, Nickel acetylacetonate, Manganese acetylacetonate, Potassium, Ethanol, Perchloric Acid, Oleylamine, 1-Octadecene, and/or Cyclohexane. The HEA catalyst may provide a substantially decreased polarization overpotential and active energy barrier for the electrochemical cell. In addition, the HEA catalyst may operate stably at a constant working voltage for a substantial period of time, with a negligible performance decay of the output density, whether using O2 and/or air as cathode feeding. As such, the HEA catalyst may be used with the electrochemical cell to replace a H2—O2 fuel cell, since the HEA catalyst provides similar power density with long-term operating, solving the storage and transportation problems of H2.
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公开(公告)号：US11177473B2
公开(公告)日：2021-11-16
申请号：US15929608
申请日：2020-05-12
Inventor： Yang Yang
IPC: H01M4/00 , H01M4/38 , H01M10/054 , H01M10/39
Abstract: High-performance flexible batteries are promising energy storage devices for portable and wearable electronics. The major obstacle to develop flexible batteries is the shortage of flexible electrodes with excellent electrochemical performance. Another challenge is the limited progress in the flexible batteries beyond Li-ion because of safety concerns for the Li-based electrochemical system. Accordingly, a self-supported tin sulfide (SnS) porous film (PF) was fabricated as a flexible cathode material in Al-ion battery, which delivers a high specific capacity of 406 mAh/g. A capacity decay rate of 0.03% per cycle was achieved, indicating a good stability. The self-supported and flexible SnS film also shows an outstanding electrochemical performance and stability during dynamic and static bending tests. Microscopic images demonstrated that the porous structure of SnS is beneficial for minimizing the volume expansion during charge/discharge. This leads to an improved structural stability and superior long-term cyclability.
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公开(公告)号：US11697885B2
公开(公告)日：2023-07-11
申请号：US16334558
申请日：2017-09-19
Inventor： Yang Yang , Kyle Marcus , Kun Liang
IPC: C25D3/56 , C25D3/12 , C25D3/20 , C25D11/34 , C25D1/04 , C25D3/18 , H01G11/26 , H01G11/30 , H01G11/86 , H01M4/04 , H01M4/36 , H01M4/58 , H01M10/0525 , H01M4/02
CPC classification number: C25D3/562 , C25D1/04 , C25D3/12 , C25D3/18 , C25D3/20 , C25D11/34 , H01G11/26 , H01G11/30 , H01G11/86 , H01M4/0452 , H01M4/364 , H01M4/5815 , H01M10/0525 , H01M2004/021
Abstract: A process is provided comprising submerging a substrate in an electrochemical deposit bath having at least a metal salt and saccharin. In embodiments, the film is further treated with anodization, and in other cases chemical vapor deposition. Films are also provided formed by the disclosed processes. The films are nanoporous on at least a portion of a surface of the films. Also disclosed are electronic devices having the films disclosed, including lithium-ion batteries, storage devices, supercapacitors, electrodes, semiconductors, fuel cells, and/or combinations thereof.
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公开(公告)号：US20230061520A1
公开(公告)日：2023-03-02
申请号：US17830816
申请日：2022-06-02
Inventor： Yang Yang , Jinfa Chang
Abstract: Described, herein, relates to a fluorinated electrocatalyst and a method of optimizing a catalytic reaction within an electrochemical cell, in which fluorine atoms may be introduced to the local coordination environment sites to weaken the carbon-nonmetal bonds and drive the nonmetallic chemical elements towards metallic chemical elements. The method may include introducing fluorine atoms to the metal-nonmetal-carbon catalysts to occupy the LCE site within the catalysts in order prevent the nonmetallic chemical elements from occupying the LCE sites, thereby driving the nonmetallic chemical element to form a nonmetallic chemical element layer on a surface of the metallic chemical elements. The nonmetallic chemical element layer may also inhibit the agglomeration and migration of the metallic chemical elements about the LCE site, optimizing catalyst activity through the regulation of the LCE site. The resulting fluorine-doped high-performance catalysts may be usable within electrochemical cells, with long-term stability and reduced degradation.
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公开(公告)号：US11522195B2
公开(公告)日：2022-12-06
申请号：US16746398
申请日：2020-01-17
Inventor： Akihiro Kushima , Supriya Koul , Kun Liang , Yang Yang
IPC: H01M4/62 , H01M4/38 , H01M10/0525 , H01M4/134 , H01M4/1395 , H01M4/04 , H01M4/36 , H01M4/02
Abstract: Enabling the use of lithium metal as an anode electrode is a key for developing next generation energy storage device beyond current lithium ion battery technology. However, there are major obstacles that need to be overcome before it can be used in commercial applications; specifically, dendrite formation can short the cell, and electrolyte decomposition contributes to decreased battery lifetimes. Each obstacle can be overcome by coating a lithium metal anode with a liquid metal buffer that enables uniform deposition of lithium ions thereon, preventing dendritic growth and forming a stable solid electrolyte interface to separate the lithium metal anode from the electrolyte within a battery cell. The liquid metal buffer becomes a semi-liquid buffer when contributing to forming a solid electrolyte interface, and can regain its liquid state when the lithium ions flow to the cathode of the battery cell.
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