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Resultados 648 resultados LastUpdate Última actualización 15/08/2022 [16:41:00] pdf PDF xls XLS

Publicaciones de los últimos 15 días/Last 15 days publications (excluidas publicaciones CN/CN publications excluded)



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CONTRÔLE DE L’ÉTAT DES ÉCHANGES DE GAZ D’UNE BATTERIE D’UN SYSTÈME

NºPublicación: FR3119712A1 12/08/2022

Solicitante:

PSA AUTOMOBILES SA [FR]

Resumen de: FR3119712A1

Un dispositif de contrôle (DC) contrôle une batterie (BR) équipant un système (S), ayant une pression interne variable, entourée d’un air ayant une pression dite externe et variable, et comprenant une vanne de surpression (VS) chargée d’équilibrer ces pressions interne et externe. Ce dispositif (DC) est agencé pour déterminer une première différence entre les pressions interne et externe, pour déterminer un état de la batterie (BR) représentatif de ses échanges de gaz avec l’extérieur, en fonction de cette première différence déterminée, et pour décider de déclencher, ou ne pas déclencher, dans le système (S) au moins une alerte en fonction de cet état déterminé. Figure 1

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METHOD FOR ESTIMATING A STATE OF CHARGE OF AN ELECTRIC VEHICLE BATTERY FOR A REMOTE MONITORING SYSTEM

NºPublicación: FR3119573A1 12/08/2022

Solicitante:

PSA AUTOMOBILES SA [FR]

WO_2022167735_A1

Resumen de: WO2022167735A1

The present invention relates to a method for estimating the state of charge of a battery (7) of a vehicle (20), comprising, at the start of an electric charging session, communication of data from the vehicle (20) to the monitoring equipment (15), the communication of data comprising data (9) communicated during the electric charging session, estimation and provision of an estimated state of charge by the monitoring equipment (15), the estimated state of charge being determined from the communicated data (9) and from a first value α0 of a correction factor α of the charging speed, the first value α0 being recorded in a database (19) of the monitoring equipment (15). The invention relates to remote server monitoring systems of electric vehicles, for example for connectivity services in a vehicle fleet and remote electric charging management services.

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PROCEDE D’AUTORISATION OU DE REFUS DE MESURE D’UN DEFAUT D’ISOLATION D’UNE BATTERIE

NºPublicación: FR3119681A1 12/08/2022

Solicitante:

PSA AUTOMOBILES SA [FR]

Resumen de: FR3119681A1

Un aspect de l’invention concerne un procédé (100) d’autorisation ou de refus de mesure d’un défaut d’isolation d’une batterie de stockage d’énergie électrique pour véhicule, ledit procédé (100) comportant les étapes de : déterminer (108) un écart de tension batterie entre une première tension batterie mesurée et une deuxième tension batterie mesurée, fonction d’une première tension de fuite mesurée, d’une deuxième tension de fuite mesurée, et de l’écart de tension batterie déterminé, autoriser ou refuser (109) une détection de défaut d’isolation. Figure 1

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NEGATIVE ELECTRODE, METHOD OF PRODUCING THE SAME, AND SECONDARY BATTERY COMPRISING THE SAME

NºPublicación: US2022255060A1 11/08/2022

Solicitante:

LG ENERGY SOLUTION LTD [KR]

Resumen de: US2022255060A1

The present invention provides a negative electrode which comprises: a negative electrode current collector; and a negative electrode active material layer formed on the negative electrode current collector and comprising a negative electrode active material containing a silicon-based active material and a carbon-based active material, a binder, and single-walled carbon nanotube aggregates. The single-walled carbon nanotube aggregates are comprised at 0.05 parts by weight to 0.37 parts by weight based on 100 parts by weight of the silicon-based active material in the negative electrode active material layer.

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NEGATIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY INCLUDING SAME

NºPublicación: US2022255059A1 11/08/2022

Solicitante:

LG ENERGY SOLUTION LTD [KR]

CN_113939929_PA

Resumen de: US2022255059A1

The technology relates to a negative electrode for a secondary battery, and a secondary battery including same. The negative electrode comprises a composite material layer having a double-layer structure, but includes silicon oxide and carbon nanotubes in only one layer, such that it is possible to increase the capacity of a battery while preventing structural deterioration of the negative electrode due to changes in electrode volume during charging and discharging.

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Modulation of Electroplated Surface Features Based on Monitored Electrical Noise

NºPublicación: US2022255057A1 11/08/2022

Solicitante:

PURE LITHIUM CORP [US]

Resumen de: US2022255057A1

Systems and methods are proposed for controlling the electroplating of lithium metal onto negative electrodes to allow for more rapid recharging of lithium metal batteries while minimizing dendrite formation. Based on the power spectrum of the electrochemical noise, characteristic signals of dendrite formation are monitored, and when these signals are observed, alternating and direct current voltages are modulated in order to vitiate dendrite formation.

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Rechargeable Alkaline Metal And Alkaline Earth Electrodes Having Controlled Dendritic Growth And Methods For Making And Using Same

NºPublicación: US2022255056A1 11/08/2022

Solicitante:

UNIV INDIANA RES & TECH CORP [US]

EP_3696881_A1

Resumen de: US2022255056A1

A device for extending the life of a battery, including an electrode having a metal portion, wherein the metal portion is selected from the group including lithium, calcium, magnesium, sodium, potassium and combinations thereof, an electrolyte permeable membrane, and a metal dendrite seeding material disposed between the electrode and the membrane. The electrode, the membrane and the metal dendrite seeding material are positioned in an electrolyte matrix. At least one dendrite extends from the electrode toward the electrolyte permeable membrane combines with at least one dendrite extending from the dendrite seeding material.

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Negative Electrode Material, Production Method Thereof, Lithium-Ion Battery, and Terminal

NºPublicación: US2022255055A1 11/08/2022

Solicitante:

HUAWEI TECH CO LTD [CN]

WO_2021083034_A1

Resumen de: US2022255055A1

Embodiments of the present invention provide a negative electrode material, including a doped silicon-based material. The doped silicon-based material includes a silicon-based material and doping metal elements distributed inside particles of the silicon-based material. The silicon-based material includes nano-silicon or silicon monoxide. A doping amount of the doping metal elements ranges from 1 ppm to 1000 ppm. The negative electrode material is obtained by doping metal elements with an extreme low content into a crystal structure of the silicon-based material, to maintain stability of an original crystal structure of the silicon-based material while improving conducting performance of the silicon-based material. Therefore, an energy density of a cell can be effectively improved, and the silicon-based material is not prone to be pulverized in a charging/discharging process. The embodiments of the present invention further provide a production method of the negative electrode material, a lithium-ion battery, and a terminal.

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NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NºPublicación: US2022255054A1 11/08/2022

Solicitante:

PANASONIC IP MAN CO LTD [JP]

CN_114762146_PA

Resumen de: US2022255054A1

A nonaqueous electrolyte secondary battery includes a positive electrode capable of occluding and releasing lithium, a negative electrode including a negative electrode current collector and a negative electrode active material, and an electrolyte solution including a solvent. In the nonaqueous electrolyte secondary battery, the negative electrode active material includes metal zinc or an alloy of metal zinc. The solvent is composed only of vinylene carbonate.

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CONTINUOUS HYDROTHERMAL MANUFACTURING METHOD FOR CONCENTRATION-GRADIENT MONOCRYSTALLINE BATTERY MATERIAL

NºPublicación: US2022251728A1 11/08/2022

Solicitante:

UCHICAGO ARGONNE LLC [US]

Resumen de: US2022251728A1

The invention provides a battery material comprising-monocrystalline particles not having internal void fractions, wherein each of the monocrystalline particles is without internal grain boundaries such that anisotropic volume change issues of polycrystalline particles don't occur when the particles are charged and discharged during cycling. Also provided is the monocrystalline particles with less-lithium on the particle surface. Also provided is a method for preparing monocrystalline battery material, wherein the battery material may be incorporated into a secondary battery.

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THERMAL INTERFACE MATERIALS

NºPublicación: US2022251331A1 11/08/2022

Solicitante:

DDP SPECIALTY ELECTRONIC MAT US LLC [US]

JP_2022533994_A

Resumen de: US2022251331A1

The teachings herein relate to new compositions for thermal interface materials that provide improved thermal conductivity without requiring filler materials that are expensive or abrasive. The improved thermal conductivity is achieved using a combination of increased filler loading, selection of a filler having abroad particle size distribution, and selection of filler that is non-abrasive. In order to achieve maximum thermal conductivity, the combination of the liquid matrix material and the filler preferably are chosen to avoid forming bonds between filler particles. Such bonds can also be avoided by including a surface modifier that modifies the surface of the filler particles.

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POWER SUPPLY DEVICE, AND ELECTRIC VEHICLE AND POWER STORAGE DEVICE USING SAME

NºPublicación: US2022255181A1 11/08/2022

Solicitante:

SANYO ELECTRIC CO [JP]

CN_114175375_PA

Resumen de: US2022255181A1

Power supply device is power supply device to be fixed to power supply target equipment, the power supply device including: a plurality of battery cells each having a prismatic outer covering can; a pair of end plates that cover both side end faces of a battery stack in which the plurality of battery cells are stacked; a plurality of fastening members that are plates extending in a stacking direction of the plurality of battery cells and are arranged on opposed side faces of the battery stack to fasten end plates to each other; bracket for fixing the pair of end plates to power supply target equipment; guide mechanism that slides end plate in the stacking direction of the battery stack at at least one interface between end plate and bracket; and elastic body arranged at at least one interface between end plate and bracket.

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BATTERY PACK AND LEGGED ROBOT COMPRISING THE SAMEAME

NºPublicación: US2022255177A1 11/08/2022

Solicitante:

HANGZHOU YUSHU TECH CO LTD [CN]

JP_2022524987_A

Resumen de: US2022255177A1

A battery pack, comprising a battery pack panel (8) and slide fasteners (1), the slide fasteners (1) each comprising an engagement tongue (2). Cavities are respectively provided on two sides of the battery back panel (8), the slide fasteners (1) are able to slide inside the cavities, and elastic elements (12) are provided between the slide fasteners (1) and the battery pack panel (8). When the elastic elements (12) exert an elastic force on the slide fasteners (1) and cause same to abut one side of the cavities, the engagement tongues (2) extend out to an outer side of the battery pack panel (8). When an external force overcomes the elastic force provided by the elastic elements (12), the slide fasteners (1) are caused to abut the other side of the cavities, and the engagement tongues (2) are completely withdrawn into the battery pack panel (8). By means of the arrangement of the structure of the slide fasteners, the battery pack is caused to be reliably fixed in and easily removed from a robot body. The invention further relates to a legged robot.

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Non-Integral Battery Cold Plate

NºPublicación: US2022250507A1 11/08/2022

Solicitante:

BELL TEXTRON INC [US]

Resumen de: US2022250507A1

A nonintegral cold plate is described for providing cooling of battery charging. The nonintegrated cold plate can receive and circulate coolant against a surface of a battery or of a vehicle. After charging the nonintegrated cold plate can be removed to save weight on the vehicle's payload.

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SECONDARY BATTERY

NºPublicación: US2022255183A1 11/08/2022

Solicitante:

SAMSUNG SDI CO LTD [KR]

CN_114175380_PA

Resumen de: US2022255183A1

The present invention relates to a secondary battery enabling the enhancement of safety by rapidly releasing gas generated therein. One embodiment discloses a secondary battery comprising: an electrode assembly; a case for receiving the electrode assembly; and a cap assembly coupled to the upper portion of the case and provided with a cap-up, a safety vent installed on the lower portion of the cap-up and having a notch formed therein, and a cap-down coupled to the lower portion of the safety vent, wherein the cap-down comprises a welded part welded to the safety vent from the lower portion of the cap-down.

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Double Sided Battery Mounting Apparatus

NºPublicación: US2022255175A1 11/08/2022

Solicitante:

BELL TEXTRON INC [US]

Resumen de: US2022255175A1

A battery assembly for an aircraft includes a cold plate having an upper planar member, a lower planar member, and at least one fluid channel positioned between the upper and lower planar members and configured to receive a cooling fluid. The battery assembly also includes an upper battery mounted to the upper planar member for transferring heat from the upper battery to the cooling fluid through the upper planar member. The battery assembly further includes a lower battery mounted to the lower planar member for transferring heat from the lower battery to the cooling fluid through the lower planar member.

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BATTERY MODULE WITH IMPROVED STACKING STRUCTURE, AND BATTERY PACK COMPRISING THE SAME

NºPublicación: US2022255174A1 11/08/2022

Solicitante:

LG ENERGY SOLUTION LTD [KR]

CN_114586211_PA

Resumen de: US2022255174A1

A battery module including a tray having a battery cell receiving portion, a first cell assembly being in the battery cell receiving portion of the tray, the first cell assembly being a plurality of battery cells electrically connected to each other and arranged on a single layer, and a second cell assembly being in the battery cell receiving portion of the tray, the second cell assembly being a plurality of battery cells electrically connected to each other and arranged on a single layer is provided. Each battery cell includes a cell body. A plurality of first receiving grooves, which are defined by a space between adjacent battery cells of the first cell assembly, are provided on one surface of the first cell assembly. The cell body of each battery cell of the second cell assembly is accommodated in a corresponding one of the first receiving grooves of the first assembly.

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SECONDARY BATTERY AND BATTERY PACK

NºPublicación: US2022255169A1 11/08/2022

Solicitante:

MURATA MANUFACTURING CO [JP]

CN_114450842_A

Resumen de: US2022255169A1

A secondary battery includes a first electrically conductive member, a second electrically conductive member, a battery device, and a sealing member. The second electrically conductive member is opposed to the first electrically conductive member. The battery device is provided between the first electrically conductive member and the second electrically conductive member. The battery device includes two or more electrodes stacked on each other in an opposing direction with a separator interposed therebetween. The electrodes include a first electrode and a second electrode. The first electrode is adjacent to the first electrically conductive member. The second electrode is adjacent to the second electrically conductive member. The sealing member is disposed in at least a portion of a region surrounding the battery device between the first electrically conductive member and the second electrically conductive member.

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POWER SUPPLY DEVICE, ELECTRIC VEHICLE PROVIDED WITH THIS POWER SUPPLY DEVICE, AND ELECTRICITY STORAGE DEVICE

NºPublicación: US2022255182A1 11/08/2022

Solicitante:

SANYO ELECTRIC CO [JP]

CN_113906615_PA

Resumen de: US2022255182A1

End plates are disposed on respective end faces of a battery block formed by stacking a plurality of battery cells in a thickness with separator interposed between corresponding battery cells, and the end plates paired are coupled by a binding bar to fix the battery block in a compressed state. Separator includes heat insulating layer, elastic layer that absorbs expansion of battery cells, and stopper that limits a compression thickness of elastic layer, and stopper has higher rigidity than elastic layer.

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Integrated Manifold

NºPublicación: US2022255164A1 11/08/2022

Solicitante:

SURVE SHUBHADA [US]
ATTASSERY NISHAJ [US]
CHACKO EAPEN [US]

Resumen de: US2022255164A1

A fluid manifold for cooling systems has parallel inlets directing flow through a base of a nozzle to an outlet which is preferably parallel to the inlets. The pressure drop from the inlets to the outlet is preferably less than 3 psi and the inlets have inlet portions with check valves connected thereto.

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Battery Case For Secondary Battery And Method For Manufacturing Pouch Type Secondary Battery

NºPublicación: US2022255186A1 11/08/2022

Solicitante:

LG ENERGY SOLUTION LTD [KR]

CN_114128027_PA

Resumen de: US2022255186A1

A battery case for a secondary battery according to an embodiment of the present invention can include a cup part having an accommodation space configured to accommodate an electrode assembly in which electrodes and separators are stacked; a sealing part extending to the outside of the cup part; a gas discharge part attached to a hole which is formed to be punched in at least one of the cup part or the sealing part from the outside and through which a gas passes; and a coating part applied to an inner circumferential surface of the hole and having electrolyte resistance, wherein the gas discharge part includes: a gas discharge layer through which the gas passes; and an outer functional layer formed on an outer surface of the gas discharge layer and having a hydrophobic property.

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Battery Pack

NºPublicación: US2022255179A1 11/08/2022

Solicitante:

SK ON CO LTD [KR]

EP_4040587_PA

Resumen de: US2022255179A1

A battery pack includes a cell group including a number of secondary battery cells; a frame accommodating the cell group therein; and a bracket coupled to the frame, linked to the cell group to fix the cell group to the frame, and defining a vent space together with the frame to form a path, through which flames or gas are discharged, when the flames or the gas is generated in one of the secondary battery cells.

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ESTIMATION APPARATUS, ESTIMATION METHOD, AND COMPUTER PROGRAM

NºPublicación: US2022252675A1 11/08/2022

Solicitante:

GS YUASA INT LTD [JP]

DE_112020002544_T5

Resumen de: US2022252675A1

The estimation device 101 is provided with: an acquisition unit 201 for acquiring time-series data on the SOC of a power storage device; a decomposition unit 202 for decomposing a waveform indicating a fluctuation in the SOC in the time-series data into waveform components of a plurality of frequency regions; and an estimation unit 204 for estimating the deterioration of the power storage device on the basis of the intensities of the waveform components and a deterioration coefficient.

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BATTERY CELL

NºPublicación: US2022255167A1 11/08/2022

Solicitante:

JOHNSON MATTHEY PLC [GB]

BR_112021022833_A2

Resumen de: US2022255167A1

A battery cell comprising a flexible housing, a first and second electrode, an electrolyte and at least one seal region. The flexible housing includes a perimeter seal at which the housing is sealed around its perimeter. The first and second electrode each comprise a first region and a second region protruding from the first region, wherein the first and second regions of the first and second electrodes are situated within the flexible housing. The electrolyte is situated between the first region of the first electrode and the first region of the second electrode. The first regions of the first and second electrodes and the electrolyte are arranged to define an electrochemical zone housed within the flexible housing. The second regions of the first and second electrodes protrude from the electrochemical zone. The at least one seal region comprises a region in which internal surfaces of the flexible housing are sealed together. The at least one seal region is arranged between the first regions of the first and second electrodes and the perimeter seal and is arranged to inhibit the electrolyte from leaving the electrochemical zone.

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MICRO-ARCHITECTED FLOW THROUGH ELECTRODES FOR ENERGY STORAGE

Nº publicación: US2022255165A1 11/08/2022

Solicitante:

L LIVERMORE NAT SECURITY LLC [US]

Resumen de: US2022255165A1

Disclosed are electrochemical reactors with electrodes that have variable porosity across the electrode. The electrodes are designed and micro-architected to have variable porosity and 3D flow. In one aspect, an electrochemical cell apparatus is disclosed. The apparatus includes an electrochemical vessel and an electrochemical fluid contained in the electrochemical vessel. The apparatus further includes a porous electrode submerged in the electrochemical fluid in the electrochemical vessel, the porous electrode having different porosities in different areas of the porous electrode. The different porosities inhibit electrochemical fluid flow and increase electrical conductivity in first areas of the porous electrode with decreased porosity compared to second areas, and enable increased electrochemical fluid flow and decrease electrical conductivity in the second areas of the porous electrode with increased porosity compared to the first areas.

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