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Cellule de batterie électrique de type cylindrique sans languettes

NºPublicación:  FR3164323A1 09/01/2026
Solicitante: 
VERKOR [FR]
VERKOR
FR_3164323_PA

Resumen de: FR3164323A1

Procédé de fabrication d’une cellule (10) cylindrique de batterie électrique pour véhicule à propulsion électrique, cette cellule (10) comprenant - un enroulement (1) d'électrodes et de séparateurs comportant successivement une première feuille (3) d’électrode, un premier séparateur, une deuxième feuille d’électrode de polarité opposée à la première feuille d’électrode et un deuxième séparateur ;- au moins une languette (4) de collecte de courant reliée à la première feuille d'électrode faisant saillie à une première extrémité dudit enroulement ;- un boîtier (2) métallique cylindrique logeant ledit enroulement,ledit procédé comprenant une étape de fabrication additive métallique, à ladite première extrémité, d'un collecteur de courant en contact avec le boîtier métallique cylindrique et fusionnant au moins une partie de ladite languette de collecte de courant de sorte à connecter électriquement la première feuille d’électrode au boîtier métallique cylindrique. Figure pour l’abrégé : Fig.1

PROCEDE DE COMMANDE D’UN SYSTEME ELECTRIQUE POLYPHASE POUR UNE CHARGE RAPIDE EN TENSION CONTINUE

NºPublicación:  FR3164155A1 09/01/2026
Solicitante: 
STELLANTIS AUTO SAS [FR]
CENTRALESUPELEC [FR]
CENTRE NATIONAL DE LA RECHERCHE SCIENT [FR]
SAFT [FR]
SORBONNE UNIV [FR]
UNIV PARIS SACLAY [FR]
STELLANTIS AUTO SAS,
CENTRALESUPELEC,
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE,
SAFT,
SORBONNE UNIVERSITE,
UNIVERSITE PARIS-SACLAY
FR_3164155_PA

Resumen de: FR3164155A1

La présente invention a pour objet un procédé de commande d’un système électrique comportant une batterie (2) comprenant une architecture en onduleur multiniveaux distribué formée de lignes de courant (LT1, LT2, LT3) constituées de modules électrochimiques connectés en série et comprenant des ponts en H. Le procédé concerne une charge rapide en tension continue. Selon l’invention, le procédé comporte la commande de modules électrochimiques de la batterie (2) de sorte à générer une onde de tension continue aux bornes de chaque ligne de courant (LT1, LT2, LT3) à partir d’une sélection commandée desdits modules reliés en série, l’équilibrage en état de charge d’au moins une ligne par rapport à une autre ligne parmi lesdites trois lignes, la configuration d’un ensemble de contacteurs de puissance de sorte à connecter en parallèle lesdites trois lignes pour une connexion à une interface de charge (3) et la charge en parallèle desdites trois lignes en tension continue par la source. Figure 1.

Cellule de batterie pour immersion dans un liquide de refroidissement

NºPublicación:  FR3164321A1 09/01/2026
Solicitante: 
AUTOMOTIVE CELLS COMPANY SE [FR]
AUTOMOTIVE CELLS COMPANY SE
FR_3164321_PA

Resumen de: FR3164321A1

Cellule de batterie pour immersion dans un liquide de refroidissement L’invention concerne une cellule (12) de batterie, comportant un boîtier (20) de cellule, ledit boîtier comprenant : une première (30) et une deuxième faces principales, parallèles et opposées ; et une face supérieure (38), perpendiculaire aux faces principales ; un axe de boîtier (40) étant perpendiculaire à la face supérieure. La première face principale (30) comprend une première série de rainures (42), sensiblement rectilignes et parallèles entre elles ; la deuxième face principale (32) comprend une deuxième série de rainures (44), sensiblement rectilignes et parallèles entre elles. Les rainures (42, 44) de la première et de la deuxième séries forment respectivement un premier (α) et un deuxième (β) angle avec l’axe (40) de boîtier, chacun des premier et deuxième angles étant strictement supérieur à 0° et strictement inférieur à 90°. Figure pour l’abrégé : Figure 2

Module pour véhicule électrique

NºPublicación:  FR3164319A1 09/01/2026
Solicitante: 
VERKOR [FR]
VERKOR
FR_3164319_PA

Resumen de: FR3164319A1

Module (1) électrique comprenant une cavité (2) interne destinée à être remplie d’un fluide (3) caloporteur en mouvement, ledit module (1) comprenant une pluralité de cellules (4) électriques agencées dans la cavité (2) interne, ledit module (1) comprenant au moins un dispositif (18, 26, 33, 39) déviateur apte à orienter le fluide (3) caloporteur dans la cavité (2) interne de sorte que ledit fluide (3) caloporteur se déplace autour desdites cellules (4). Figure pour l'abrégé : Figure 5

Procédé de synthèse de particules de thiophosphate Li3PS4

NºPublicación:  FR3164317A1 09/01/2026
Solicitante: 
IFP ENERGIES NOW [FR]
IFP ENERGIES NOUVELLES
FR_3164317_PA

Resumen de: FR3164317A1

La présente invention concerne un procédé de synthèse de particules de thiophosphate Li3PS4, à partir d’un solvato-complexe formé entre Li3PS4 et un premier solvant S1, ledit procédé comprenant :a) une étape de dispersion du solvato-complexe entre Li3PS4 et le premier solvant S1 dans un deuxième solvant S2 non complexant, ledit deuxième solvant S2 étant miscible avec le première solvant S1 et présentant- un logarithme du coefficient de répartition eau/octanol logP égal ou supérieur à 1,1,- une densité moléculaire égale ou supérieure à 0,869 g/cm3 ,- un moment dipolaire inférieur ou égal à 2,32 D,de façon à faire précipiter des particules de thiophosphate Li3PS4b)une étape de séparation des particules de thiophosphate Li3PS4 précipitées à l’étape a)c) une étape de séchage des particules de thiophosphate Li3PS4séparées à l’étape b). Figure 1 à publier

Batterie lithium-ion à recyclage facilitée

NºPublicación:  FR3164316A1 09/01/2026
Solicitante: 
ARKEMA FRANCE [FR]
ARKEMA FRANCE
FR_3164316_A1

Resumen de: FR3164316A1

La présente invention concerne une batterie secondaire lithium-ion comprenant une cathode, une anode et un séparateur disposé entre ladite cathode et ladite anode ; ladite cathode comprenant un collecteur de courant C’ et une couche C comprenant une première matière active, un agent conducteur et un premier liant ; ladite anode comprenant un collecteur de courant A’ et une couche A comprenant une seconde matière active et un second liant ; ledit séparateur comprenant soit un support polymérique poreux S et un revêtement SC disposé sur ledit support poreux S soit un électrolyte solide comprenant un revêtement SC caractérisé en ce que ledit premier liant L1, ledit second liant L2 et ledit revêtement SC comprennent chacun au moins un polymère P ayant une solubilité supérieure à 0,01 g/ml à température ambiante dans un solvant S1 ayant un nombre donneur supérieur à 4 kcal/mol.

Cellule électrochimique, unité mère pour sa préparation, utilisation et procédé de préparation

NºPublicación:  FR3164315A1 09/01/2026
Solicitante: 
ARKEMA FRANCE [FR]
I TEN [FR]
CONSERVATOIRE NAT DES ARTS ET METIERS [FR]
ARKEMA FRANCE,
I-TEN,
CONSERVATOIRE NATIONAL DES ARTS ET METIERS
FR_3164315_A1

Resumen de: FR3164315A1

La présente invention concerne le domaine des cellules électrochimiques, une unité mère et un procédé pour leur préparation.

Dispositif de régulation thermique, notamment pour véhicule automobile

NºPublicación:  FR3164265A1 09/01/2026
Solicitante: 
VALEO SYSTEMES THERMIQUES [FR]
VALEO SYSTEMES THERMIQUES
FR_3164265_PA

Resumen de: FR3164265A1

Dispositif de régulation thermique, notamment pour véhicule automobile L’invention concerne un organe anti-retour comprenant un corps de valve et un volet dans lequel le volet (22) comprend une charnière (23) coopérant par complémentarité de forme et de façon amovible avec une première partie du corps de valve (21) de façon à former ledit axe de rotation du volet (22), le corps de valve (21) étant configuré pour être inséré dans un élément (110) formant au moins partiellement le chemin de circulation de fluide et à être fixé de façon amovible audit élément (110) de façon à ce que la charnière (23) du volet (22) soit prise en sandwich entre ladite première partie du corps de valve (21) et ledit élément (110) afin d’empêcher ladite charnière (23) de sortir de la première partie du corps de valve (21) avec laquelle elle coopère, tout en la laissant libre en rotation selon ledit axe de rotation R. Figure pour l’abrégé : Fig. 4

Composition d’électrolyte pour élément électrochimique lithium-ion

NºPublicación:  FR3164320A1 09/01/2026
Solicitante: 
SAFT [FR]
SAFT
FR_3164320_PA

Resumen de: FR3164320A1

Un électrolyte comprenant :- un mélange de solvants comprenant du propionate de méthyle, au moins un carbonate cyclique et/ou au moins un carbonate linéaire,- du carbonate de vinylène ou du monofluorocarbonate d’éthylène ou un mélange de ceux-ci, du sulfate d’éthylène et du difluorophosphate de lithium,- un ou plusieurs sels de lithium autres que du difluorophosphate de lithium.Le propionate de méthyle, le sulfate d’éthylène et le difluorophosphate de lithium interagissent pour limiter la croissance de la couche de passivation à la surface de l’électrode négative et ainsi limiter l’augmentation de la résistance interne de l’élément électrochimique. Figure d’abrégé : Figure 1

POWER SOURCE MANAGEMENT SYSTEM, METHOD FOR CHARGING SECONDARY BATTERY, AND VEHICLE

NºPublicación:  WO2026009360A1 08/01/2026
Solicitante: 
SUBARU CORP [JP]
\u682A\u5F0F\u4F1A\u793E\uFF33\uFF35\uFF22\uFF21\uFF32\uFF35

Resumen de: WO2026009360A1

This power source management system includes a battery, which is a power source for a high-voltage system, a power supply unit that receives a supply of power from the outside to charge the battery, a DC-DC converter that steps down power of the battery and supplies the power to a low-voltage system, and a charge control device that controls charging of the battery, wherein the power source management system executes charge/discharge processing that promotes the elimination of battery polarization by alternately performing first control for supplying power from the power supply unit to the battery and the DC-DC converter, and second control for stopping the supply of power from the power supply unit to the battery and the DC-DC converter and supplying power from the battery to the DC-DC converter.

LITHIUM-ION BATTERY

NºPublicación:  WO2026009121A1 08/01/2026
Solicitante: 
SEMICONDUCTOR ENERGY LABORATORY CO LTD [JP]
\u682A\u5F0F\u4F1A\u793E\u534A\u5C0E\u4F53\u30A8\u30CD\u30EB\u30AE\u30FC\u7814\u7A76\u6240

Resumen de: WO2026009121A1

The purpose of the present invention is to provide a lithium-ion battery having a large discharge capacity and good rate characteristics. This lithium-ion battery has a positive electrode, a negative electrode, and a first electrolyte. The positive electrode has a positive electrode active material. The positive electrode active material has an olivine-type crystal structure, and has lithium, manganese, iron, zinc, phosphorus, and oxygen, where the atomic ratio of manganese to the sum of manganese, iron, and zinc contained in the positive electrode active material (Mn/(Mn + Fe + Zn)) exceeds 0.5, and the atomic ratio of zinc in the sum of manganese, iron, and zinc contained in the positive electrode active material (Zn/(Mn + Fe + Zn)) is 0.01 or more and less than 0.05.

CELL MODULE INSPECTION DEVICE

NºPublicación:  WO2026009010A1 08/01/2026
Solicitante: 
NISSAN MOTOR CO LTD [JP]
RENAULT S A S [FR]
\u65E5\u7523\u81EA\u52D5\u8ECA\u682A\u5F0F\u4F1A\u793E,
\u30EB\u30CE\u30FC \u30A8\u30B9\uFF0E\u30A2\uFF0E\u30A8\u30B9\uFF0E

Resumen de: WO2026009010A1

Provided is a cell module inspection device that makes it possible to easily inspect the degree of deterioration of a cell module. This cell module inspection device comprises: an impedance detection circuit that detects a measurement current which is applied to a plurality of cell modules connected in series, that detects a response voltage which occurs at each terminal of the plurality of cell modules, and that calculates the internal impedance of each of the plurality of cell modules on the basis of the measurement current and the response voltage; and a connection polarity switching circuit that is disposed between the impedance detection circuit and the terminal of each of the plurality of cell modules. Even if a cell module is reverse-connected to the connection polarity switching circuit, the connection polarity switching circuit uses the stored power of the cell module to automatically switch the output polarity of the connection polarity switching circuit to the same polarity as in the case of normal connection. The output polarity of the connection polarity switching circuit is set by combining, per cell module, inversion and non-inversion in the direction of the series connection.

METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SECONDARY BATTERY, METHOD FOR PRODUCING POROUS CARBON, POSITIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY

NºPublicación:  WO2026009120A1 08/01/2026
Solicitante: 
SEMICONDUCTOR ENERGY LABORATORY CO LTD [JP]
\u682A\u5F0F\u4F1A\u793E\u534A\u5C0E\u4F53\u30A8\u30CD\u30EB\u30AE\u30FC\u7814\u7A76\u6240

Resumen de: WO2026009120A1

Provided are a high-capacity lithium-ion secondary battery, and a positive electrode active material used for the same. Also provided is a porous carbon that can be used in the positive electrode active material. Provided is a method for producing a positive electrode active material, in which a porous carbon and sulfur are mixed and subjected to a heat treatment at from 120°C to 160°C for from 1 to 10 hours. The porous carbon is obtained by: mixing a spherical resin, a base having a weight of from 1.0 to 2.0 times a weight of the spherical resin, and water; subjecting the mixture to a first heat treatment performed in an inert atmosphere at from 700°C to 1000°C for from 1 to 20 hours; and then washing, performing a treatment with an acidic solution, washing, and crushing. The volume of pores of the porous carbon having a pore diameter of 2.0 nm or less as calculated by an MP method is from 0.70 to 1.2 cm3/g.

NEGATIVE ELECTRODE MATERIAL AND BATTERY

NºPublicación:  WO2026008082A1 08/01/2026
Solicitante: 
BTR NEW MAT GROUP CO LTD [CN]
\u8D1D\u7279\u745E\u65B0\u6750\u6599\u96C6\u56E2\u80A1\u4EFD\u6709\u9650\u516C\u53F8
CN_119275277_PA

Resumen de: WO2026008082A1

Provided in the present application are a negative electrode material and a battery. The negative electrode material comprises an active material, the active material comprising a first matrix and a second matrix. The negative electrode material has pores, wherein the volume of the pores of the negative electrode material is M cm3/g, the volume of the pores of the negative electrode material measured after being maintained for 1 h under a pressure of 80 Mpa is N cm3/g, and the particle space collapse ratio of the negative electrode material is P, P=(M-N)/M, wherein 0.002≤M≤0.12, and 0.05≤P≤0.85. In the present application, the rigidity of the negative electrode material is adjusted by means of controlling the pore volume of the negative electrode material before and after pressurization, thereby improving the electrochemical performance of the negative electrode material while ensuring the structural stability of the negative electrode material.

NEGATIVE ELECTRODE PLATE, BATTERY, BATTERY PACK, AND ELECTRONIC DEVICE

NºPublicación:  WO2026008056A1 08/01/2026
Solicitante: 
BYD COMPANY LTD [CN]
\u6BD4\u4E9A\u8FEA\u80A1\u4EFD\u6709\u9650\u516C\u53F8
CN_120453279_A

Resumen de: WO2026008056A1

The present application provides a negative electrode plate, a battery, a battery pack, and an electronic device. The negative electrode plate comprises a current collector, and a negative electrode active material layer provided on at least one functional surface of the current collector. The negative electrode active material layer comprises graphite and a binder. The negative electrode plate satisfies the following expression: a0.98/b×0.02c+1.2≤X≤a0.98/b×0.02c+1.4, X being the content of the binder, in units of g/100 ggraphite, a being the OI value of the graphite, b being the OI value of the negative electrode plate, and c being the D50 of the graphite, in units of μm. The negative electrode plate provided by the present application can have both high peel strength and low resistivity, by means of defining a median particle size of graphite, an OI value, and a relationship between the OI value of the negative electrode plate and an amount of binder.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, AND SODIUM ION BATTERY

NºPublicación:  WO2026008034A1 08/01/2026
Solicitante: 
BYD COMPANY LTD [CN]
\u6BD4\u4E9A\u8FEA\u80A1\u4EFD\u6709\u9650\u516C\u53F8
CN_118572089_A

Resumen de: WO2026008034A1

A positive electrode material and a preparation method therefor, a positive electrode sheet, and a sodium ion battery. The positive electrode material comprises a layered oxide serving as a core and an MOF material coating layer coating the surface of the layered oxide. The MOF material comprises a first metal and an organic ligand, and the organic ligand is selected from one or more of compounds having a structure represented by formula (1) below.

TEMPERATURE SENSOR FOR A BATTERY

NºPublicación:  WO2026010640A1 08/01/2026
Solicitante: 
CPS TECH HOLDINGS LLC [US]
CLARIOS ADVANCED SOLUTIONS GMBH [DE]
CPS TECHNOLOGY HOLDINGS LLC,
CLARIOS ADVANCED SOLUTIONS GMBH

Resumen de: WO2026010640A1

An apparatus is described. The apparatus is arranged for measuring temperature of one or more cells of a battery. The battery includes a battery management system (BMS). At least one cell of the one or more cells is comprised in a cell can. The apparatus includes an arm couplable to the battery and including a tensioner. The apparatus also includes a flexible printed circuit (FPC) electrically couplable to the BMS. The FPC is wrapped around and secured to the arm. The tensioner and/or the FPC include a sensor electrically coupled to the FPC. The tensioner is arranged to cause at least the sensor to physically contact the cell can. The sensor is configured to measure a temperature associated with the one or more cells via the cell can.

A METHOD FOR RECYCLING BATTERY-GRADE GRAPHITE FROM WASTE LITHIUM-ION BATTERIES AND THE RECYCLED BATTERY-GRADE GRAPHITE THEREOF

NºPublicación:  WO2026007068A1 08/01/2026
Solicitante: 
BASF SE [DE]
BASF CHINA COMPANY LTD [CN]
BASF SE,
BASF (CHINA) COMPANY LTD

Resumen de: WO2026007068A1

The present invention provides a method for preparing battery-grade graphite from waste lithium-ion batteries comprising steps of: (i) implementing heat treatment on scrap mixture comprising cathode and anode materials of waste lithium-ion batteries and their components thereof; (ii) adding an acid solution containing redox agent into the mixture to obtain leaching liquid and leaching slag and washing the leaching slag with water; (iii) adding a solvent to the washed leaching slag comprising at one selected from hydrocarbon, alcohol, ketone, ether and water and mixing by stirring, milling or sonication and further adding a carbon source material that is completely dispersed in the slurry, and removing the solvent from the slurry to obtain mixed graphite; (iv) putting the mixed graphite into a furnace for oxygen-free heating and carbonization to obtain coated graphite; and (v) putting the coated graphite into a high temperature graphitization furnace for oxygen-free heating and graphitization to obtain recycled graphite.

LITHIUM IRON PHOSPHATE COMPOSITE CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

NºPublicación:  WO2026009007A1 08/01/2026
Solicitante: 
BORSODCHEM ZRT [HU]
WANHUA CHEMICAL YANTAI BATTERY MAT SCIENCE CO LTD [CN]
BORSODCHEM ZRT,
WANHUA CHEMICAL (YANTAI) BATTERY MATERIAL SCIENCE CO., LTD

Resumen de: WO2026009007A1

The present application belongs to the technical field of secondary batteries, and specifically relates to a lithium iron phosphate composite cathode active material, and further discloses a preparation method thereof, as well as an application thereof for use in the preparation of battery plates and secondary batteries. The lithium iron phosphate composite cathode active material of the present application comprises a core containing a lithium iron phosphate material and iron phosphide particles, as well as a carbon coating layer and/or a LiBO2-containing coating layer at least partially coated on the surface of the core.

POLYOL ESTER OILS AND THEIR USES AS HEAT TRANSFER FLUIDS AND, OPTIONALLY, COMPRESSOR LUBRICANTS IN ELECTRIC VEHICLES

NºPublicación:  WO2026006956A1 08/01/2026
Solicitante: 
THE LUBRIZOL CORP [US]
CHEN ZHAOFEI [CN]
THE LUBRIZOL CORPORATION,
CHEN, Zhaofei

Resumen de: WO2026006956A1

Methods of direct cooling electrical componentry, wherein the electrical componentry are contacted with a heat transfer fluid comprising at least 50 wt%of a polyol ester (POE) oil. A vehicle having a thermal management system and, optionally, a vehicle climate control system, wherein the thermal management system and the optional vehicle climate control system are charged with a heat transfer fluid comprising at least 50 wt%of a polyol ester (POE) oil.

TOP COVER ASSEMBLY, BATTERY PACK, AND ELECTRIC DEVICE

NºPublicación:  WO2026007273A1 08/01/2026
Solicitante: 
EVE POWER CO LTD [CN]
\u6E56\u5317\u4EBF\u7EAC\u52A8\u529B\u6709\u9650\u516C\u53F8
CN_222940051_U

Resumen de: WO2026007273A1

A top cover assembly (100), a battery pack, and an electric device. The top cover assembly (100) comprises a cover plate (110), a pole (120), an insulating assembly (130), and a sealing member (140). The insulating assembly (130) comprises an upper insulating member (131) and a lower insulating member (132). The sealing member (140) abuts between the pole (120) and the cover plate (110). The outer side surface of the sealing member (140) away from the pole (120) comprises at least one step surface. The sealing member (140) further abuts between the upper insulating member (131) and the lower insulating member (132), so as to be in a compressed state.

HIGH-NICKEL POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

NºPublicación:  WO2026008001A1 08/01/2026
Solicitante: 
NINGBO RONBAY NEW ENERGY TECH CO LTD [CN]
\u5B81\u6CE2\u5BB9\u767E\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
CN_118431460_A

Resumen de: WO2026008001A1

The present application relates to a high-nickel positive electrode material, a preparation method therefor and a use thereof. Phases of the high-nickel positive electrode material include a layered phase and a rock-salt phase, the space group of the layered phase is R-3m, the space group of the rock-salt phase is Fm-3m, the mass fraction of the rock-salt phase in the high-nickel positive electrode material is 3-23%, and a lithium vacancy defect is present in the rock-salt phase. The high-nickel positive electrode material of the present application has high specific capacity, excellent cycling performance, and low cost.

SILICON-CARBON-COATED LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, LITHIUM-ION BATTERY, AND ELECTRIC DEVICE

NºPublicación:  WO2026007934A1 08/01/2026
Solicitante: 
SVOLT ENERGY TECH CO LTD [CN]
\u8702\u5DE2\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
CN_118738337_PA

Resumen de: WO2026007934A1

The present disclosure relates to the technical field of lithium-ion battery positive electrode materials, and specifically to a silicon-carbon-coated lithium iron phosphate positive electrode material and a preparation method therefor, a positive electrode sheet, a lithium-ion battery, and an electric device. The silicon-carbon-coated lithium iron phosphate positive electrode material comprises lithium iron phosphate and a coating layer coated on the surface of the lithium iron phosphate; the coating layer comprises a lithium-intercalated silicon-carbon material and an amorphous carbon material; the percentage W1 of the mass of a silicon-carbon material in the lithium-intercalated silicon-carbon material to the mass of the lithium iron phosphate is 0.5%-3.5%; the percentage W2 of the mass of a silicon element in the lithium-intercalated silicon-carbon material to the mass of the silicon-carbon material in the lithium-intercalated silicon-carbon material is 10%-80%; and W1 and W2 satisfy: 5≤350W1+3150W1×W2≤65. The silicon-carbon-coated lithium iron phosphate positive electrode material provided by the present disclosure has high capacity, high energy density, high initial Coulombic efficiency, and excellent cycle performance.

BUS VOLTAGE MODULATION METHOD FOR DYNAMICALLY RECONFIGURABLE SERIES-CONNECTED BATTERY SYSTEM

NºPublicación:  WO2026007519A1 08/01/2026
Solicitante: 
LBATTERYCLOUD CO LTD [CN]
\u4E91\u50A8\u65B0\u80FD\u6E90\u79D1\u6280\u6709\u9650\u516C\u53F8
CN_118412977_A

Resumen de: WO2026007519A1

The present invention belongs to the technical field of energy storage in new energy power systems. Disclosed is a bus voltage modulation method for a dynamically reconfigurable series-connected battery system. The method comprises: numbering all battery modules and denoting same as i, collecting voltage values of the battery modules and performing sorting in descending order of the voltage values; selecting a battery module corresponding to the highest voltage value; determining whether the number i of the selected battery module is less than the total number N of battery modules connected in series, and if the determination result is positive, accumulating a voltage value corresponding to the selected battery module, and determining whether an accumulated voltage value of battery modules is within a preset range; and on the basis of the accumulated voltage value of the battery modules, performing an i++ operation, and repeating the above content until an output bus voltage meets a preset range requirement. In the dynamically reconfigurable battery system based on software-defined technology in the present invention, real-time reconfiguration can be performed on the basis of the voltage of each battery module to output an ideal power bus voltage, thereby meeting the requirement for an output power bus voltage.

METALLOPHILIC MATRICES FOR RECHARGEABLE BATTERIES

Nº publicación: WO2026011176A1 08/01/2026

Solicitante:

BOARD OF REGENTS THE UNIV OF TEXAS SYSTEM [US]
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM

Resumen de: WO2026011176A1

Disclosed herein is an anode comprising a conductive substrate material comprising an effective amount of a metallophilic seed material catalyzing nucleation of one or more metals comprising Na, Li, K, Mg, Zn, or any combination thereof, wherein the metallophilic seed material is a salt comprising cations of Bi3+, Sb5+, Sb3+, Pb2+, In3+, Te4+, Al3+, Ag+, Fe2+, Fe3+, Mn2+, Co2+, Ni2+, Mo2+/3+/5+/6+, W2+/3+/5+/6+, Nb4+/5+, Y3+, La3+, Sr2+ Mg2+ or any combination thereof; and a metallic layer disposed on the conductive substrate, wherein the metallic layer comprises an active anode material comprising Na, Li, K, Mg, Zn, or any combination thereof. Also disclosed herein are electrochemical cells comprising the same.

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