baber/WOPTO huggingface dataset:
Patent JP-WO2020090525-A1 (JP)
Title: 超音波放射器具及び超音波装置
IPC: A61N7/02
Filed: 2019-10-18
Abstract: 超音波放射器具は、対象物側への超音波を発生させる発生部と、発生部に対して対象物側に液体が位置するように、液体を封入する袋とを有している。発生部は、超音波を発生させる振動を生じる圧電素子を有している。圧電素子は、対象物側に面している第１面と、その反対側に面している第２面とを有している。圧電素子は、第１面から第２面までの間に、これらの面に沿っている圧電体層と、圧電体層の両面に重なっている１対の電極とを有している。圧電素子は、第１面及び第２面が互いに同一側へ湾曲する撓み変形を生じる。第１面は、液体に接するように袋内に露出している。第２面は、液体から隔離されて気体に接している。
Patent JP-WO2020090006-A1 (JP)
Title: フィーダ状態表示システム
IPC: H05K13/00
Filed: 2018-10-30
Abstract: 部品実装ライン（１０）の複数台の部品実装機（１２）のフィーダセット部（５１）に対してフィーダ（１４）の自動交換を行う自動交換装置（２６）と、複数台の部品実装機のフィーダセット部にセットするフィーダ及び前記フィーダセット部から取り外したフィーダを保管するフィーダ保管庫（１９）とを備える。フィーダの取り外し方向側の端面部に、当該フィーダの状態を表示する状態表示部（６５）を設けると共に、前記フィーダに、前記状態表示部に表示する当該フィーダの状態の情報を記憶保持する書き換え可能な不揮発性の記憶部（４１）を設ける。フィーダ保管庫に、当該フィーダ保管庫に保管されているフィーダに給電して当該フィーダの記憶部に記憶保持されている当該フィーダの状態を前記状態表示部に表示させる給電部であるコネクタ（８１）を設ける。
Patent JP-WO2020095620-A1 (JP)
Title: 通信システム、通信装置、通信方法、プログラム及び広告通信システム
IPC: G06Q30/02
Filed: 2019-10-11
Abstract: 情報を送信する送信装置と前記情報を受信する受信装置とを含む通信システムの、前記受信装置は、前記送信装置との通信に使用される前記送信装置の電子証明書がＥＶ証明書であるか否かを判定する判定部を有し、前記判定部による判定結果に応じて実行する処理を変化させることで、正当性が保証されない通信相手を検出可能とする。
Patent JP-WO2020105732-A1 (JP)
Title: 非線形マイクロ波フィルタ
IPC: H01P1/20
Filed: 2019-11-22
Abstract: 非線形マイクロ波フィルタは、超伝導量子回路において制御される量子ビットである標的量子ビットが形成される回路基板に形成されて、標的量子ビットが結合する制御用導波路に結合する量子ビットであり、制御用導波路における導波路端との距離が共鳴波長の半整数倍から所定の範囲内であり、標的量子ビットの共鳴周波数との差が所定の範囲内である共鳴周波数をもち、制御用導波路との結合が、標的量子ビットと制御用導波路との結合に比べて所定の値だけ大きい、量子ビットを備える。
Patent WO-2022162828-A1 (WO)
Inventor: HIRATA YOSHIAKI
IPC: G02B26/08
Filed: 2021-01-28
Abstract: ＭＥＭＳミラー装置（１）は、固定部材（１０）と、固定部材（１０）に対して回転可能に結合されている可動部材と、ミラー（１２）と、配線（４０ａ，４０ｂ，４８ａ，４８ｂ）とを備える。可動部材は、可動板（１１）と、ねじれ梁（１４，１７）と、蛇行梁（１５，１８）とを含む。蛇行梁（１５，１８）は、ねじれ梁（１４，１７）に沿って配置されている。ミラー（１２）は、可動板（１１）上に形成されている。配線（４０ａ，４０ｂ，４８ａ，４８ｂ）は、可動板（１１）から固定部材（１０）まで延在している。配線（４０ａ，４０ｂ，４８ａ，４８ｂ）は、蛇行梁（１５，１８）上に形成されている。
Patent WO-2021186990-A1 (WO)
Title: Program, information processing device, and terminal device
Inventor: OZAKI SATOSHI
IPC: A61B3/10
Filed: 2021-02-16
Abstract: [Problem] To appropriately photograph an image that cannot be seen directly. [Solution] A program according to the present invention causes a processor to: detect a first target in a first image acquired by a first camera; estimate the length of a detected route from the first camera to the first target; and, on the basis of the length of the route, switch a display of a second image acquired by a second camera and synthesize an index for adjusting the position of a second target in the second image.
Patent WO-2021182413-A1 (WO)
Title: 発光装置
Inventor: OMORI YUJI
IPC: H01L33/54
Filed: 2021-03-08
Abstract: 発光装置は、基板と、それぞれが矩形の平面形状を有し且つ基板に実装された複数の発光素子であって、複数の発光素子のそれぞれの少なくとも１つの側面は、他の発光素子の側面に対向するように配置される複数の発光素子と、複数の発光素子の少なくとも２つの発光素子の上面の少なくとも一部及び対向する側面の少なくとも一部を覆い、且つ、少なくとも２つの発光素子の対向しない側面の少なくとも一部を覆わないように配置される第１波長変換部材と、複数の発光素子及び第１波長変換部材を封止する封止材とを有する。
Patent WO-2021200174-A1 (WO)
Title: 撮像装置および電子機器
Inventor: YOKOYAMA TAKASHI
IPC: H04N5/369
Filed: 2021-03-17
Abstract: 本開示の一実施形態の撮像装置は、第１の面および第２の面を有すると共に、第１半導体基板に、光電変換を行うセンサ画素を有する第１基板と、第３の面および第４の面を有すると共に、第２半導体基板に、センサ画素から出力された電荷に基づく画素信号を出力する画素回路を構成する第１のトランジスタを有し、第１の面と第３の面とを対向させて第１基板に積層された第２基板と、第５の面および第６の面を有すると共に、第３半導体基板に、画素回路を構成する第２のトランジスタを有し、第４の面と第５の面とを対向させて第２基板に積層された第３基板と備える。
Patent WO-2022070474-A1 (WO)
Title: Methods for adherence of one or more parts in a motor
Inventor: GHAPGHARAN EMIL
IPC: H02K15/03
Filed: 2021-03-18
Abstract: Systems, devices, and methods including: applying an adhesive to a magnet with a syringe, forming a bead at a junction of the magnet and a rotor; pressure-rolling a fabric between two thin sheets of plastic; transferring one of the thin sheets of plastic to an O-ring cord stock; peeling off the remaining plastic sheet, and placing the fabric on top of the adhesive bead; inserting the cord stock into a gap between adjacent magnets, and applying pressure with the cord stock to the adhesive beads; applying a piece of tape across adjacent magnets and overtop of the cord stock to hold the cord stock in place as the adhesive dries; and peeling off the tape to remove the cord stock and excess glue and fabric; the cord stock leaving an semi-circular form in the adhesive.
Patent WO-2022201305-A1 (WO)
Inventor: ONO MASATO
IPC: H04N13/261
Filed: 2021-03-23
Abstract: Ce dispositif de traitement d'image comprend : une unité de détermination de trame qui, lorsque la taille de région de la différence entre une trame dans une série temporelle, dans une vidéo, et une trame après ladite trame est suffisamment grande pour satisfaire une condition prescrite, détermine ladite une trame susmentionnée et la trame susmentionnée à la synchronisation ultérieure comme étant une première et une deuxième trame, qui sont des éléments de génération d'une fonction utilisée pour mapper la profondeur de ladite trame ; une unité d'estimation de profondeur qui estime la profondeur des multiples trames entre la première trame et la deuxième trame ; et une unité de génération de fonction qui génère une fonction qui est utilisée dans le mappage de profondeur de la première trame en tant que fonction qui peut être utilisée pour le mappage de profondeur des multiples trames susmentionnées, et génère une fonction qui est utilisée dans le mappage de profondeur de la deuxième trame.
Patent WO-2021206079-A1 (WO)
Title: Mycoplasma pneumoniae immunoassay method and immunoassay instrument
Inventor: KOHIYAMA Risa
IPC: C07K16/44
Filed: 2021-04-06
Abstract: Disclosed is an immunoassay method that utilizes a monoclonal antibody which binds specifically to both a P1 protein and a P30 protein of Mycoplasma pneumoniae, the monoclonal antibody having a higher affinity to the P1 protein and the P30 protein of Mycoplasma pneumoniae than known monoclonal antibodies. The immonoassay method utilizes an antigen/antibody reaction between: a monoclonal antibody that reacts specifically with the P1 protein and the P30 protein derived from Mycoplasma pneumoniae and that further reacts specifically with a peptide containing an amino acid sequence comprising PPQPG or an antigen-binding fragment thereof; and the P1 protein and the P30 protein derived from Mycoplasma pneumoniae.
Patent WO-2022215260-A1 (WO)
Title: Monitoring system
Inventor: FUJIWARA TAKASHI
IPC: G01N15/14
Filed: 2021-04-09
Abstract: Provided is a monitoring system that makes it possible to use sensors with a simple structure to accurately obtain information indicating at least one from among the type, scattering condition, source, and means of handling particles in air under monitoring.　This monitoring system for monitoring particles in air under monitoring is characterized by comprising a plurality of particle sensors that are arranged within a space and each have a polarization separation mechanism and detect particles within a medium collected at the location of the particle sensor by emitting light onto the medium and receiving light that has been scattered by particles in the medium and has passed through the polarization separation mechanism, and an analysis device that acquires, from each of the plurality of particle sensors, particle detection results including information indicating the degree of depolarization of the scattered light and information indicating the signal amplitude of the received light, and acquires and outputs information indicating at least one from among the type, source, scattering condition, and means of handling the particles in the air.
Patent WO-2021215368-A1 (WO)
Inventor: FUKUDA TAKAYUKI
IPC: E05F5/00
Filed: 2021-04-16
Abstract: A stopping device (40) comprises: a drum (210) that rotates in a first rotational direction when a back door is being opened and in a second rotational direction when the back door is being closed; a lock member (420) that shifts between a lock position in which rotation of the drum (210) in the first rotational direction is restricted and an unlock position in which rotation of the drum (210) in the first rotational direction is permitted; and a switching mechanism (500) that switches the position of the lock member (420) from the unlock position to the lock position if a switching operation is performed while the lock member (420) is in the unlock position, and keeps the lock member (420) in the lock position if a switching operation is performed while the lock member (420) is in the lock position.
Patent WO-2021225108-A1 (WO)
Title: Print inspection device, print inspection method, and program
Inventor: LI SHENGLAN
IPC: G06T1/00
Filed: 2021-04-28
Abstract: A print inspection device is provided with a camera for imaging the characters printed to an inspection object, a shape matching processing unit (33), a deformed pattern generation unit (34), and an inspection processing unit (35). The shape matching processing unit (33) verifies, with regard to a shape, the imaged character pattern included in the captured image acquired by the camera against a preset reference character pattern while changing the deformed degree of the reference character pattern, and searches for a matched character of which the degree of similarity of the shape of the imaged character pattern to the reference character pattern is greater than or equal to a threshold. The deformed pattern generation unit (34) generates a deformed character pattern from the reference character pattern by deformation thereof with the degree of deformation at the time the characters matched in the shape matching process. The inspection processing unit (35) inspects the acceptability of the print state of characters on the basis of the result of comparison of the deformed character pattern with the imaged character pattern.
Patent WO-2022049832-A1 (WO)
Inventor: OISHI YUTAKA
IPC: G06F3/06
Filed: 2021-05-07
Abstract: This information processing device: receives a recording request for at least one object from a plurality of storage pools formed from a plurality of respective magnetic tapes; derives, from storage pools that are recording destinations, the number of tape drives to be used for recording the object for which the recording request is received according to the number of storage pools or the number of magnetic tapes that are the recording destinations of the object designated by the recording request; and performs, on the storage pools that are the recording destinations, a control to record the object on the magnetic tapes forming the storage pools by using the derived number of tape drives.
Patent WO-2022244182-A1 (WO)
Title: 換気装置
Inventor: IKEDA SOSHI
IPC: F24F11/86
Filed: 2021-05-20
Abstract: 換気装置は、室外に排出される排気が流れる排気路と、室内に供給される給気が流れる給気路と、排気路に配置された排気ファンと、給気路に配置された給気ファンと、排気と給気とを熱交換する全熱交換器と、圧縮機、第１熱交換器、第１絞り装置及び第２熱交換器を含む冷媒回路と、を備え、第１熱交換器は、給気路の給気の流れにおける全熱交換器の上流に配置され、外気温度が閾値以下の場合に全熱交換器に流入する空気を加熱するものである。
Patent WO-2021246189-A1 (WO)
Inventor: YOSHIDA AKIRA
IPC: H01M8/0221
Filed: 2021-05-20
Abstract: This separator member (10) for a fuel cell comprises a first resin layer (13) configured from a resin, and a graphite layer (11) that is laminated on the first resin layer and that is substantially formed from graphite. The lamination amount of the graphite layer (11) is 50 g/m2 or less, and the volume resistivity of the graphite is 3 mΩ⋅cm or less.
Patent WO-2021251140-A1 (WO)
Title: Hydraulic shovel driving system
Inventor: KONDO AKIHIRO
IPC: F15B11/02
Filed: 2021-05-26
Abstract: This hydraulic shovel driving system (1) includes: a first pump (22) connected to a head-side chamber (13a) of a boom cylinder (13); and a second pump (32) that supplies working oil to at least one among an arm cylinder (14) and a bucket cylinder (15). The first pump (22) is driven by a motor (61). Furthermore, the driving system (1) includes a switching valve (51) that is located at a first position where a rod-side chamber (13b) of the boom cylinder (13) is caused to communicate with a tank during a boom-raising operation, and that is located at a second position where the rod-side chamber (13b) is caused to communicate with the second pump (32) during a vehicle body-raising operation.
Patent WO-2021261543-A1 (WO)
Inventor: KIMURA KATSUKI
IPC: B01D65/02
Filed: 2021-06-24
Abstract: The purpose of the present invention is to provide a sewage treatment device capable of executing sewage treatment efficiently.　A sewage treatment device 10 is provided with a reaction tank 11, an overflow determination unit 13, an operation control unit 14, and a partition plate 15. The reaction tank 11 has a lowest water level LWL at which the supply of sewage is started and a highest water level HWL at which the supply of sewage is stopped, and executes nitrification reaction and denitrification reaction. The partition plate 15 divides the reaction tank 11 into an area 15a in which the nitrification reaction is executed and an area 15b in which the denitrification reaction is executed, and has a partition plate upper end 15d between the lowest water level LWL and the highest water level HWL. The overflow determination unit 13 determines whether the sewage in the area 15a is overflowing the partition plate upper end 15d. The operation control unit 14 has an overflow amount control unit 21 that controls the amount of sewage that overflows the partition plate upper end 15d and a DO control unit 22 that controls the level of dissolved oxygen dissolved in the sewage in the area 15a when the sewage in the area 15a does not overflow the partition plate upper end 15d.
Patent WO-2022025219-A1 (WO)
Inventor: TAMBO HITOSHI
IPC: A24F40/42
Filed: 2021-07-30
Abstract: Provided are a cartridge having a novel structure and a flavor inhaler.　The cartridge for a flavor inhaler according to the present invention has: a raw material part that generates aerosol upon being heated; and a case that accommodates the raw material part inside the case. The case has: a first wall; a second wall opposed to the first wall; a pair of connection walls connecting the first wall and the second wall; a first end face provided with a first opening defined by the first wall, second wall, and pair of connection walls; and a second end face opposed to the first end face. The pair of connection walls has, on the face facing the inside of the case, a plurality of half-cut or debossed parts extending between the first end face and second end face and is folded along the plurality of half-cut or debossed parts.
Patent WO-2022059533-A1 (WO)
Title: Tuner, and impedance matching method
Inventor: IKEDA TARO
IPC: H05H1/46
Filed: 2021-09-06
Abstract: This tuner, which forms part of an electromagnetic wave transmission path for supplying electromagnetic waves from a power supply portion to a load, and which matches the power supply side impedance and the load side impedance, includes: a coaxial line including a cylindrical inner conductor, and a cylindrical outer conductor provided coaxially outside the inner conductor; an annular first dielectric constant changing material which is provided in a space between the inner conductor and the outer conductor of the coaxial line, and which has a variable dielectric constant; an annular second dielectric constant changing material which is provided spaced apart from the first dielectric constant changing material in the line length direction of the coaxial line, is provided in the space between the inner conductor and the outer conductor of the coaxial line, and which has a variable dielectric constant; a first power supply portion for supplying power to the first dielectric constant changing material; and a second power supply portion for supplying power to the second dielectric constant changing material.
Patent WO-2022065199-A1 (WO)
Title: Bearing device
Inventor: HASHIZUME SHOHEI
IPC: F16C35/063
Filed: 2021-09-16
Abstract: A bearing device (1) is provided with: two bearings (5a, 5b) that support a main shaft (4); an inner ring spacer (6i); an outer ring spacer (6g); a load sensor (143) that detects an axial load applied to the outer ring spacer (6g); a deformation amount sensor (144) that detects an axial deformation amount of the outer ring spacer (6g); an axial nut (8); pressing lids (10, 20); and a control device. The control device: obtains as an initial preload (F1) a load detected by the load sensor (143) in a state in which the axial nut (8) is fastened and the pressing lids (10, 20) are not fastened; calculates a reduction amount (F3) of the preload on the basis of the deformation amount detected by the deformation amount sensor (144) in a state in which the axial nut (8) is fastened and the pressing lids (10, 20) are fastened; and calculates as a post-assembly preload (F4) a load obtained by deducting the reduction amount (F3) of the preload from the initial preload (F1).
Patent WO-2022080326-A1 (WO)
Title: 無人車両の制御システム、無人車両、及び無人車両の制御方法
Inventor: KADONO YOSUKE
IPC: G05D1/02
Filed: 2021-10-11
Abstract: 無人車両の制御システムは、無人車両を発進させる発進指令を出力する走行制御部と、発進指令で無人車両が発進しないと判定された場合、無人車両のダンプボディをダンプ動作させるダンプ指令を出力するダンプボディ制御部と、を備える。
Patent WO-2023067688-A1 (WO)
Title: Elevator
Inventor: MURAKAMI HIROYUKI
IPC: B66B3/00
Filed: 2021-10-19
Abstract: Provided is an elevator in which it is easy for users to ride inside an elevator car at a distance from each other. This elevator (1) comprises a first determination unit (19), a second determination unit (20), and a notification processing unit (18). The first determination unit (19) determines a magnitude relationship between a first threshold value and an empty surface area of a floor surface of an elevator car (9) on the basis of an image captured by a camera (15) when the elevator car (9) is stopped at a stop floor. The camera (15) is provided inside the elevator car (9). The second determination unit (20) determines a magnitude relationship between a second threshold value and the number of riders riding in the elevator car (9) when the first determination unit (19) determines that the empty surface area is greater than the first threshold value. The notification processing unit (18) causes a notification device to notify the users that the number of riders is exceeding the limit when the second determination unit (20) determines that the number of riders is greater than the second threshold value. The notification device is provided inside the elevator car (9) or at a landing (3) on the stop floor.
Patent WO-2022123942-A1 (WO)
Inventor: KAWAKAMI YASUNORI
IPC: H04M3/42
Filed: 2021-10-26
Abstract: 事業者間相互接続にＩＭＳ相互接続インタフェース等を利用し、着信を拒否するＳＩＰの特定メッセージを送信することにより、ＩＭＳ網、ＮＧＮ網とＩＰ電話網における電話番号の使用状況のリサーチを着信ベル無鳴動で実現する。また、電話の電話番号使用状況について、着信網の種類に依存することなく、判定する。　少なくとも着信網であるＩＭＳ網又はＶｏＩＰ網に接続された電話にＮＧＮ網を介して接続される電話番号調査装置１０であって、第１のＳＤＰパラメータを調査対象の電話に対するＩＮＶＩＴＥ要求に付与してＮＧＮ網２０の選択する着信網にＩＮＶＩＴＥ要求を送信し、着信網から第１の応答メッセージを受信するメッセージ交換制御部１２と、を備え、メッセージ交換制御部１２は、第１の応答メッセージが、「２００　ＯＫ」の場合、又は第１のＳＤＰパラメータが変換されている場合、前記着信網が前記ＶｏＩＰ網であると判定し、第１の応答メッセージの第１のＳＤＰパラメータが変換されていない場合、かつ第１の応答メッセージが第１のエラーコードの場合、着信網が前記ＩＭＳ網であると判定する。
Patent WO-2023079607-A1 (WO)
Inventor: TSUKADA KENJI
IPC: H05K3/10
Filed: 2021-11-04
Abstract: 硬化性樹脂を吐出する第１吐出装置によって、凹部を含む樹脂層を形成する第１形成工程と、第１吐出装置によって形成された第１マークを参照して、導電性ペーストを吐出する第２吐出装置によって凹部の内部に電極を形成する第２形成工程と、を含む回路形成方法。　硬化性樹脂を吐出することで、凹部を含む樹脂層を形成する第１吐出装置と、第１吐出装置によって形成された第１マークを参照して、導電性ペーストを吐出することで、凹部の内部に電極を形成する第２吐出装置と、を備える回路形成装置。
Patent WO-2023089781-A1 (WO)
Title: Control device and control method
Inventor: GOTO KAZUYA
IPC: G05B19/05
Filed: 2021-11-19
Abstract: The present invention easily detects an unauthorized access, such as DoS attack, that hinders operation of a control device and a network by putting excessive load on resources.　This control device comprises: a measurement unit for measuring the physical states of two or more electronic components in measurement cycles; a recording unit for recording, in association with the measurement cycles and as a model waveform, the physical states of the electronic components during stand-by and/or execution periods of an arbitrarily defined operation program in a normal state; and a detection unit for adding, for certain periods during stand-by or execution periods of the arbitrarily defined operation program, the absolute values, for the electronic components, of differences between the physical states measured in association with the measurement cycles during stand-by or execution periods of the arbitrarily defined operation program and the physical states corresponding to the measurement cycles of the measured physical states in the model waveform, and for determining whether or not the added values of the two or more electronic components have exceeded determination threshold values for the electronic components regarding an unauthorized access hindering operation of the control device and the network by putting excessive load on resources.
Patent WO-2022130933-A1 (WO)
Inventor: HAMAUZU Shinji
IPC: G06Q30/06
Filed: 2021-11-26
Abstract: 【課題】不動産物件の有効な活用を可能とする新規の物件管理システム、及び物件管理方法を提供する。 【解決手段】本発明の一態様における物件管理システムは、不動産物件の情報を管理する管理サーバと、ユーザ端末とが、ネットワークを介して接続され、管理サーバは、ユーザ端末からの購入要求に基づき、ユーザによる不動産物件の購入手続に伴う情報の処理を実行する売買処理部と、ユーザ端末からの貸出要求に基づき、ユーザが購入した不動産物件の他者への貸し出しに関する情報の処理を実行するリレント処理部と、を備えることを特徴とする。
Patent WO-2023100224-A1 (WO)
Title: 光機械センサ、光機械センサシステムおよび光機械センサの製造方法
Inventor: ASANO MOTOKI
IPC: G01H9/00
Filed: 2021-11-30
Abstract: 本発明の光機械センサ（１０）は、連結される複数の機械振動子（１１）を備え、複数の機械振動子のうち、一の機械振動子（１３）が光共振器構造を有し、一の機械振動子（１３）と他の機械振動子（１４）が共振する。また、光機械センサ（１０）において、他の機械振動子（１４）のみが測定対象内に配置され、一の機械振動子（１３）に入射される光により、一の機械振動子（１３）と他の機械振動子（１４）との共振を介して、他の機械振動子（１４）の振動特性の変化が検出されてもよい。　これにより、本発明の光機械センサは、優れた検出感度を提供できる。
Patent WO-2022138140-A1 (WO)
Title: Composite filter device
Inventor: MIYAMOTO KOJI
IPC: H03H9/64
Filed: 2021-12-07
Abstract: Provided is a composite filter device which can suppress the occurrence of ripples in a pass band of another band pass filter connected in common.　This composite filter device comprises: a ladder-type filter 10 having at least one series arm resonator including a first series arm resonator S1, and at least one parallel arm resonator including a first parallel arm resonator P1; and at least one band pass filter 11, 12 having one end connected in common with the ladder-type filter 10, wherein the first series arm resonator S1 is closest to a common terminal 13 among series arm resonators S1-S5, the first parallel arm resonator P1 is disposed closest to the common terminal 13 among parallel arm resonators P1-P4, and when the duty of an IDT of the first series arm resonator S1 is defined as Sa, the duty of an IDT of the first parallel arm resonator P1 is defined as Pa, and the duty of an IDT of the remaining series arm resonators S2-S5 and parallel arm resonators P2-P4 is defined as Ta, any one of expressions (1) to (3) below is satisfied.　Expression (1): Sa<Pa<Ta
Expression (2): Ta<Sa<Pa
Expression (3): Pa<Ta<Sa
Patent WO-2022138214-A1 (WO)
Inventor: ISHIGURO RYO
IPC: H01M4/1395
Filed: 2021-12-09
Abstract: La présente invention concerne une électrode négative pour batteries au lithium-ion, ladite électrode négative permettant à une batterie d'avoir une capacité supérieure et des caractéristiques de batterie améliorées telles que des caractéristiques de cycle.　Selon la présente invention, une couche de mélange d'électrode négative 1M qui contient un mélange d'électrode négative qui comprend un matériau actif d'électrode négative, un liant et une cellulose rendue hydrophobe est configurée de la manière suivante. Le matériau actif d'électrode négative contient du nano-Si ; le liant est composé d'un liant à base de solvant organique (par exemple, un polyimide ou un polyfluorure de vinylidène) ; et la cellulose rendue hydrophobe est obtenue par substitution de certains groupes hydrophiles de cellulose par des groupes hydrophobes. En utilisant un liant à base de solvant organique tel que décrit ci-dessus, une réaction entre l'eau et le Si est empêchée et les caractéristiques d'électrode peuvent être améliorées. La quantité d'un liant à base de solvant organique à ajouter doit généralement être augmentée dans les cas où du nano-Si est utilisé, et par conséquent, la capacité de la batterie et les caractéristiques de cycle (durée de vie de la batterie) sont diminuées. Selon la présente invention, la capacité de la batterie et les caractéristiques de cycle (durée de vie de la batterie) peuvent être améliorées par l'ajout d'un CeNF hydrophobisé.