公开(公告)号：US11183343B1

公开(公告)日：2021-11-23

申请号：US16994589

申请日：2020-08-15

申请人： UNITED ARAB EMIRATES UNIVERSITY

发明人： Ihab M. Obaidat ,  Hee-Je Kim ,  Chandu V. V. Muralee Gopi ,  Sambasivam Sangaraju

IPC分类号： H01G11/46 ,  H01G11/86 ,  H01G11/04 ,  H01G11/36 ,  B82Y30/00 ,  C01G51/04 ,  C01G53/04 ,  H01G11/26 ,  B82Y40/00

摘要： A composite material comprising NiMoO4—CoMoO4 nanosheets can be an electrode in a hybrid supercapacitor. A hybrid supercapacitor having a cathode comprising the composite material exhibits a large operating window, high energy density and high cycling stability. The heterostructure material may be formed by a one-step chemical bath deposition process.

公开(公告)号：US11152612B2

公开(公告)日：2021-10-19

申请号：US16901353

申请日：2020-06-15

申请人： CF TRAVERSE LLC

发明人： Ronald A. Rojeski

IPC分类号： H01M4/38 ,  H01G11/50 ,  H01G11/30 ,  H01G11/24 ,  H01M10/0525 ,  H01M4/70 ,  H01M4/139 ,  H01M4/134 ,  H01M4/133 ,  H01M4/131 ,  H01M4/62 ,  H01G11/28 ,  H01M4/1393 ,  H01M4/36 ,  H01M4/1395 ,  H01G11/38 ,  H01M4/587 ,  H01G11/36 ,  H01G11/46 ,  B82Y40/00 ,  B82Y30/00 ,  H01M4/02

摘要： A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li+ intercalation medium. Highly reversible Li+ intercalation and extraction were observed at high power rates. More importantly, the highly conductive and mechanically stable CNF core optionally supports a coaxially coated amorphous Si shell which has much higher theoretical specific capacity by forming fully lithiated alloy. Addition of surface effect dominant sites in close proximity to the intercalation medium results in a hybrid device that includes advantages of both batteries and capacitors.

公开(公告)号：US20210296644A1

公开(公告)日：2021-09-23

申请号：US17010851

申请日：2020-09-03

申请人： CALB Technology Co., Ltd. ,  CHINA LITHIUM BATTERY TECHNOLOGY CO., LIMITED

发明人： Kai Cao ,  Zhimin Wang ,  Ning Wang ,  Xuyi Shan

IPC分类号： H01M4/525 ,  H01M4/505 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01G11/46 ,  H01G11/50 ,  H01G11/86 ,  C01G53/00

摘要： A cathode material, containing a crystal with a superlattice structure, is provided. A chemical formula of the crystal is xLi2MO3.(1-x)LiNiaCobMn(1-a-b)O2, where 0

公开(公告)号：US11095134B2

公开(公告)日：2021-08-17

申请号：US16480927

申请日：2018-01-09

申请人： VARTA Microbattery GmbH

发明人： Martin Elmer ,  Alexander Hirnet ,  Dieter Kloos

IPC分类号： H02J7/00 ,  H01G11/06 ,  H01G11/08 ,  H01G11/30 ,  H01G11/46 ,  H01M10/0525 ,  H01M10/06 ,  H01M10/34 ,  H01M10/42 ,  H01M10/48 ,  H02J7/34

摘要： A modular battery storage system includes energy storage modules. A switch is assigned to individual energy storage modules, by which the respective energy storage module can be activated and deactivated. The energy storage modules can connect to one another by the switches such that the individual voltages of activated energy storage modules can be added up to form a total voltage. A method of operating the battery storage system ascertains at least one power value for each of the energy storage modules, the power value being characteristic of the power capacity of the energy storage module. A total voltage is generated by at least two energy storage modules being activated with a time overlap but over activation periods of different length. One of the activation periods of different length is assigned to each of the at least two energy storage modules depending on the ascertained at least one power value.

公开(公告)号：US20210166888A1

公开(公告)日：2021-06-03

申请号：US16844342

申请日：2020-04-09

申请人： Tsinghua University ,  HON HAI PRECISION INDUSTRY CO., LTD.

发明人： HUA YUAN ,  Guang Wang ,  YANG WU ,  YANG WEI ,  YUE-GANG ZHANG ,  SHOU-SHAN FAN

IPC分类号： H01G11/36 ,  H01G11/46 ,  H01G11/24 ,  H01G11/40 ,  H01G4/32 ,  H01G11/74

摘要： A supercapacitor is provided. The supercapacitor includes an elastic fiber, an internal electrode, a first electrolyte layer, and an external electrode. The internal electrode, the first electrolyte layer, and the external electrode are sequentially wrapped on an outer surface of the elastic fiber. The internal electrode includes a first carbon nanotube film and a NiO@MnOx composite structure, and the external electrode includes a second carbon nanotube film and a Fe2O3 layer.

公开(公告)号：US10978702B2

公开(公告)日：2021-04-13

申请号：US16842833

申请日：2020-04-08

申请人： CF TRAVERSE LLC

发明人： Ronald A. Rojeski

IPC分类号： H01M4/38 ,  H01G11/50 ,  H01G11/30 ,  H01G11/24 ,  H01M10/0525 ,  H01M4/70 ,  H01M4/139 ,  H01M4/134 ,  H01M4/133 ,  H01M4/131 ,  H01M4/62 ,  H01G11/28 ,  H01M4/1393 ,  H01M4/36 ,  H01M4/1395 ,  H01G11/38 ,  H01M4/587 ,  H01G11/36 ,  H01G11/46 ,  B82Y40/00 ,  B82Y30/00 ,  H01M4/02

摘要： A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li+ intercalation medium. Highly reversible Li+ intercalation and extraction were observed at high power rates. More importantly, the highly conductive and mechanically stable CNF core optionally supports a coaxially coated amorphous Si shell which has much higher theoretical specific capacity by forming fully lithiated alloy. Addition of surface effect dominant sites in close proximity to the intercalation medium results in a hybrid device that includes advantages of both batteries and capacitors.

公开(公告)号：US20210098770A1

公开(公告)日：2021-04-01

申请号：US17043598

申请日：2019-05-13

申请人： Maxwell Technologies, Inc.

发明人： Yudi Yudi ,  Hieu Minh Duong ,  Joon Ho Shin

IPC分类号： H01M4/04 ,  H01G11/50 ,  H01G11/42 ,  H01G11/46 ,  H01G11/28 ,  H01M4/1391 ,  H01M4/62

摘要： Materials and methods for preparing dry cathode electrode film including reduced binder content are described. The cathode electrode film may be a self-supporting film including a single binder. The binder loading may be 3 weight % or less. In a first aspect, a method for preparing a dry free standing electrode film for an energy storage device is provided, comprising nondestructively mixing a cathode active material, a porous carbon, and optionally a conductive carbon to form an active material mixture, adding a single fibrillizable binder to the active material mixture, nondestructively mixing to form an electrode film mixture, and calendering the electrode film mixture to form a free standing electrode film.

公开(公告)号：US10957495B2

公开(公告)日：2021-03-23

申请号：US15861324

申请日：2018-01-03

申请人： Nanotek Instruments, Inc.

发明人： Aruna Zhamu ,  Bor Z. Jang

IPC分类号： H01G11/06 ,  H01G11/22 ,  H01G11/24 ,  H01G11/26 ,  H01G11/28 ,  H01G11/32 ,  H01G11/46 ,  H01G11/36 ,  H01G11/52 ,  H01G11/48 ,  H01G11/66 ,  H01G11/86 ,  C08G73/02 ,  C08G61/12 ,  H01G11/38 ,  H01G11/58

摘要： Provided is a supercapacitor comprising an anode, a cathode, an ion-permeable separator disposed between the anode and the cathode, and an electrolyte in ionic contact with the anode and the cathode, wherein at least one of the anode and the cathode contains multiple graphene sheets spaced by cellulosic nanofibers and has a specific surface area from 50 to 3,300 m2/g. Also provided is a process for producing an electrode for such a supercapacitor having a large electrode thickness, high active mass loading, high tap density, and exceptional energy density.

公开(公告)号：US20210074477A1

公开(公告)日：2021-03-11

申请号：US16951353

申请日：2020-11-18

申请人： Murata Manufacturing Co., Ltd. ,  COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

发明人： Sami Oukassi ,  Raphaël Salot ,  Frédéric Voiron ,  Valentin Sallaz

IPC分类号： H01G4/10 ,  H01L49/02 ,  H01G11/46 ,  H01G11/26

摘要： An integrated energy storage component that includes a substrate supporting a contoured layer having a region with a contoured surface such as elongated pores. A stack structure is provided conformally over the contoured surface of this region. The stack is a single or repeated instance of MOIM layers, or MIOM layers, the M layers being metal layers, or a quasi-metal such as TiN, the O layers being oxide layers containing ions, and the I layer being an ionic dielectric. The regions having a contoured surface may be formed of porous anodized alumina.

公开(公告)号：US20210065993A1

公开(公告)日：2021-03-04

申请号：US17050084

申请日：2018-04-23

申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

发明人： Helen Liu ,  Xiaochao Que ,  Dewen Kong ,  Jianfeng Wang

IPC分类号： H01G11/06 ,  H01G11/28 ,  H01G11/24 ,  H01G11/46 ,  H01G11/50 ,  H01M10/0525 ,  H01M4/48 ,  H01M10/0587 ,  H01M12/00

摘要： Hybrid electrochemical cells and modules include an anode two-sided current collector a coated with host material in anode region(s) and a cathode two-sided current collector coated with active material in cathode region(s), and one or more of the anode current collector and the cathode current collector is coated with capacitor material in one or more distinct, non-overlapping capacitor regions. A hybrid anode and/or cathode can include gaps between capacitor regions and anode regions and cathode regions. The capacitor material applied to an electrode is different from the host or active material thereof. Active material includes lithium metal oxides and lithium metal phosphates such as LiFePO4, Li(NixMnyCoz)O2, and/or LiMn2O4; host material includes graphite, silicon, silicon-Li/Sn/Cu alloys, Si/Co/Fe/TiSn oxides, and low-surface area carbon; and capacitor material includes activated carbon, metal oxides, and metal sulfides.