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公开(公告)号：US20240347774A1
公开(公告)日：2024-10-17
申请号：US18594433
申请日：2024-03-04
发明人： Cyrus Rustomji , Sungho Jin , Taekyoung Kim , Jungmin You , Joseph Wang , Duyoung Choi
IPC分类号： H01M10/0569 , C25D3/42 , C25D3/44 , C25D3/50 , C25D3/54 , C25D5/00 , C25D9/08 , C25D17/02 , H01G11/22 , H01G11/46 , H01G11/60 , H01G11/78 , H01G11/86 , H01M10/052 , H01M10/0525 , H01M10/0564 , C25D21/00 , H01G11/62 , H01M4/38
CPC分类号： H01M10/0569 , C25D3/42 , C25D3/44 , C25D3/50 , C25D3/54 , C25D5/003 , C25D9/08 , C25D17/02 , H01G11/22 , H01G11/46 , H01G11/60 , H01G11/78 , H01G11/86 , H01M10/052 , H01M10/0525 , H01M10/0564 , C25D21/00 , H01G11/62 , H01M4/382 , H01M2300/0028 , H01M2300/0031 , H01M2300/0034 , Y02E60/13
摘要： Disclosed are novel electrolytes, and techniques for making and devices using such electrolytes, which are based on compressed gas solvents. Unlike conventional electrolytes, disclosed electrolytes are based on “compressed gas solvents” mixed with various salts, referred to as “compressed gas electrolytes.” Various embodiments of a compressed gas solvent includes a material that is in a gas phase and has a vapor pressure above an atmospheric pressure at a room temperature. The disclosed compressed gas electrolytes can have wide electrochemical potential windows, high conductivity, low temperature capability and/or high pressure solvent properties. Examples of a class of compressed gases that can be used as solvent for electrolytes include hydrofluorocarbons, in particular fluoromethane, difluoromethane, tetrafluoroethane, pentafluoroethane. Also disclosed are battery and supercapacitor structures that use compressed gas solvent-based electrolytes, techniques for constructing such energy storage devices. Techniques for electroplating difficult-to-deposit materials using compressed gas electrolytes as an electroplating bath are also disclosed.
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公开(公告)号：US20240331955A1
公开(公告)日：2024-10-03
申请号：US18617996
申请日：2024-03-27
IPC分类号： H01G11/84 , B82Y10/00 , B82Y99/00 , H01G11/24 , H01G11/26 , H01G11/28 , H01G11/36 , H01G11/46 , H01G11/48 , H01G11/86
CPC分类号： H01G11/84 , H01G11/24 , H01G11/26 , H01G11/28 , H01G11/36 , H01G11/46 , H01G11/48 , H01G11/86 , B82Y10/00 , B82Y99/00 , Y02E60/13 , Y10S977/948
摘要： A mesoporous, nanocrystalline, metal oxide construct particularly suited for capacitive energy storage that has an architecture with short diffusion path lengths and large surface areas and a method for production are provided. Energy density is substantially increased without compromising the capacitive charge storage kinetics and electrode demonstrates long term cycling stability. Charge storage devices with electrodes using the construct can use three different charge storage mechanisms immersed in an electrolyte: (1) cations can be stored in a thin double layer at the electrode/electrolyte interface (non-faradaic mechanism); (2) cations can interact with the bulk of an electroactive material which then undergoes a redox reaction or phase change, as in conventional batteries (faradaic mechanism); or (3) cations can electrochemically adsorb onto the surface of a material through charge transfer processes (faradaic mechanism).
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公开(公告)号：US20240290553A1
公开(公告)日：2024-08-29
申请号：US18654907
申请日：2024-05-03
发明人： Nir Kapelushnik
IPC分类号： H01G11/26 , H01G11/46 , H01G11/56 , H01G11/72 , H01M4/13 , H01M10/04 , H01M10/052 , H02J7/00
CPC分类号： H01G11/26 , H01M4/13 , H01M10/0431 , H01M10/052 , H02J7/007 , H01G11/46 , H01G11/56 , H01G11/72
摘要： Provided herein is an electrochemical cell designed for high current discharge, which includes a cathode strip, an anode strip, and at least two separator strips, being longitudinally stacked to form an electrodes set that is folded into segments.
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公开(公告)号：US20240283023A1
公开(公告)日：2024-08-22
申请号：US18557127
申请日：2022-04-15
IPC分类号： H01M10/0567 , H01G11/46 , H01G11/50 , H01G11/62 , H01M4/02 , H01M4/131 , H01M4/525 , H01M10/0525
CPC分类号： H01M10/0567 , H01G11/46 , H01G11/50 , H01G11/62 , H01M4/131 , H01M4/525 , H01M10/0525 , H01M2004/028 , H01M2300/0025
摘要： A lithium-ion secondary battery with a high capacity and excellent charge and discharge cycle performance is provided. A secondary battery with a high capacity is provided. A secondary battery whose shape hardly changes in a vacuum is provided. A bendable secondary battery is provided. The secondary battery contains a positive electrode active material and an electrolyte; the positive electrode active material is lithium cobalt oxide to which magnesium is added; magnesium has a gradient in which a concentration increases from an inner portion toward a surface of the positive electrode active material; the electrolyte contains an imidazolium salt; and a temperature range where the secondary battery can operate is higher than or equal to −20° C. and lower than or equal to 100° C.
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公开(公告)号：US12060282B2
公开(公告)日：2024-08-13
申请号：US16646098
申请日：2018-09-14
申请人： LG CHEM, LTD.
发明人： Hosub Lee , Seokhyun Yoon , Byunggook Lyu
CPC分类号： C01G45/02 , H01G11/46 , C01P2004/24 , C01P2004/64
摘要： A preparation method according to the present invention includes use of an amine-based coupling agent to prepare plate-type manganese dioxide nanoparticles. The plate-type manganese dioxide nanoparticles thus prepared can be suitably mixed with a carbon-based conductive material and are thus useful a positive electrode material for pseudo-capacitors.
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公开(公告)号：US12002621B2
公开(公告)日：2024-06-04
申请号：US18137570
申请日：2023-04-21
发明人： Nir Kapelushnik
IPC分类号： H01G11/26 , H01M4/13 , H01M10/04 , H01M10/052 , H02J7/00 , H01G11/46 , H01G11/56 , H01G11/72
CPC分类号： H01G11/26 , H01M4/13 , H01M10/0431 , H01M10/052 , H02J7/007 , H01G11/46 , H01G11/56 , H01G11/72
摘要： Provided herein is an electrochemical cell designed for high current discharge, which includes a cathode strip, an anode strip, and at least two separator strips, being longitudinally stacked to form an electrodes set that is folded into at least four segments and designed to exhibit a ratio of its nominal capacity per its active area lower than 12 mAh/cm2, such that the cell is characterized by a discharge efficiency at room temperature of at least 30% to a cut-off voltage of ⅔ of its original voltage at a discharge current of 1,250 m A. Also provided are process of manufacturing, and uses of the cell, which is particularly useful in high drain-rate applications as charging a cellular phone.
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7.发明公开公开(公告)号：US20240170228A1
公开(公告)日：2024-05-23
申请号：US18263618
申请日：2022-02-04
申请人： HYDRO-QUÉBEC
发明人： Jean-Christophe DAIGLE , Francis BARRAY , Abdelbast GUERFI , Benoit FLEUTOT , Emmanuelle GARITTE , Sergey KRACHKOVSKIY , Ki Seok KOH
IPC分类号： H01G11/56 , H01G11/24 , H01G11/28 , H01G11/46 , H01G11/86 , H01M4/04 , H01M4/505 , H01M4/525 , H01M4/62 , H01M10/0525 , H01M10/056
CPC分类号： H01G11/56 , H01G11/24 , H01G11/28 , H01G11/46 , H01G11/86 , H01M4/0404 , H01M4/0435 , H01M4/505 , H01M4/525 , H01M4/623 , H01M4/625 , H01M10/0525 , H01M10/056
摘要： The present technology relates to an ionic plastic crystal comprising at least one delocalized anion paired with at least one an organic guanidine, amidine or phosphazene organic superbase-derived cation for use in electrochemical applications, particularly in electrochemical accumulators such as batteries, electrochromic devices, and supercapacitors. The present technology also relates to an ionic plastic crystal composition, an ionic plastic crystal-based solid electrolyte composition, an ionic plastic crystal-based solid electrolyte, an electrode material comprising the ionic plastic crystal or the ionic plastic crystal composition. Their uses in electrochemical cells and electrochemical accumulators as well as their processes of manufacturing and an NHO-stabilized intermediary ion-neutral complex are also described.
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公开(公告)号：US11901122B2
公开(公告)日：2024-02-13
申请号：US17552908
申请日：2021-12-16
发明人： Wanjun Ben Cao , Jin Yan , Xujie Chen , Jian-Ping Zheng , Annadanesh Shellikeri , Mark Andrew Hagen
IPC分类号： H01G11/06 , H01G11/50 , H01G11/52 , H01G11/60 , H01G11/62 , H01G11/38 , H01G11/24 , H01G11/86 , H01G11/46
CPC分类号： H01G11/06 , H01G11/24 , H01G11/38 , H01G11/46 , H01G11/50 , H01G11/52 , H01G11/60 , H01G11/62 , H01G11/86
摘要： A hybrid lithium-ion battery-capacitor (H-LIBC) energy storage device includes a hybrid composite cathode electrode having a lithium ion battery (LIB) cathode active material and a lithium ion capacitor (LIC) cathode active material. An anode electrode having a surface is pre-loaded and pressed with a lithium (Li) thin film source. The anode electrode is pre-lithiated with the lithium film source by positioning the Li film source on the surface of anode electrode after electrolyte filling and soaking processes, a separator and an organic solvent electrolytic solution including a lithium salt electrolyte are also provided. A method of making a hybrid lithium-ion battery-capacitor and a method of making a hybrid composite cathode for a hybrid lithium-ion battery-capacitor are also disclosed.
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公开(公告)号：US20240047147A1
公开(公告)日：2024-02-08
申请号：US17879457
申请日：2022-08-02
发明人： Emre CEVIK , Ayhan BOZKURT
摘要： A hydrogel electrolyte for a supercapacitor includes sodium carboxymethyl cellulose (C), water, citric acid (CA); and an aqueous extract of Hibiscus sabdariffa. The sodium carboxymethyl cellulose (C) and the citric acid (CA) form a citric acid cross-linked cellulose-based polymer hydrogel (C-CA-C). An organic acid from the aqueous extract of Hibiscus sabdariffa is intercalated to the citric acid cross-linked cellulose-based polymer hydrogel (C-CA-C) via hydrogen bonds. A method of preparation of the hydrogel electrolyte is also discussed.
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公开(公告)号：US11870062B2
公开(公告)日：2024-01-09
申请号：US16633080
申请日：2018-10-19
申请人： LG CHEM, LTD.
发明人： Jongmin Roh , Seokhyun Yoon , Byunggook Lyu
IPC分类号： H01M4/36 , H01G11/26 , H01G11/46 , H01G11/48 , H01M4/505 , H01M4/62 , H01M10/052 , H01M10/054 , H01M4/02
CPC分类号： H01M4/366 , H01G11/26 , H01G11/46 , H01G11/48 , H01M4/505 , H01M4/624 , H01M10/052 , H01M10/054 , H01M2004/021
摘要： The present invention relates to a metal oxide coated with a conductive polymer, including: a metal oxide; and a coating layer which is formed on the surface of the metal oxide and includes a conductive polymer, wherein the conductive polymer is a polymer of protonated monomers.
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