baber/WOPTO huggingface dataset:
Patent WO-2021051892-A1 (WO)
Title: Clinical crt postoperative interval optimization method
Inventor: LIU HANXIONG
IPC: A61B34/10
Filed: 2020-06-05
Abstract: A clinical CRT postoperative interval optimization method, comprising the following steps: step 1) implanting a three-chamber pacemaker CRT into a patient; step 2) displaying a blood flow spectrum signal and an electrocardiogram signal of an electrocardiogram monitor on the same screen; step 3) optimizing biventricular pace-making inter-ventricular synchronization (VV interval) parameters by using formula 1 or formula 2; and step 4) optimizing atrioventricular synchronization (AV interval) parameters by using formula 3 or formula 4. The clinical CRT postoperative interval optimization method may be completed by utilizing a conventional electrocardiogram and an ultrasonic cardiogram, thus the errors of a traditional method are avoided. The method is suitable for various heart rhythms and various CRT devices, thus the usage value thereof is greatly extended, and an algorithm is concise, time consumption is significantly reduced, repeatability is good, and popularization is facilitated.
Patent WO-2021253179-A1 (WO)
Inventor: TANG HONGBIN
IPC: H01L33/00
Filed: 2020-06-15
Abstract: A light-emitting diode, which at least comprises: a semiconductor epitaxial stack which is provided with a first surface and a second surface that are opposite one another; a DBR reflective layer (108), which is disposed above the second surface of the semiconductor epitaxial stack, and comprises M groups of material layer pairs composed by alternately stacking a types of material layers having different refractive indices, wherein 2≤a≤6. Said diode is characterized in that: there are N groups of material layer pairs among the M groups of material layer pairs of the DBR reflective layer (108), the roughness of the interface between the a types of material layers in the N groups of material layer pairs is greater than the roughness of the interface between the a types of material layers in the remaining (M-N) groups of material layer pairs, and M>N≥1. By means of roughening the interface between the material layers within the DBR reflective layer (108), the light-emitting efficiency can be increased. Meanwhile, the adhesion between the material layers of the DBR reflective layer (108) and between the DBR reflective layer (108) and a substrate (101) can be improved, the phenomena of cutting, back side chipping, and thrust peeling are ameliorated, and the product yield is improved.
Patent WO-2021232547-A1 (WO)
Inventor: ZHONG JIANBIN
IPC: B25B11/00
Filed: 2020-06-29
Abstract: L'invention concerne un dispositif d'usinage de couvercle de culasse capable de limiter l'oscillation. Un dispositif de positionnement et de serrage (20) comprend une unité de limitation de droite (21) ; l'unité de limitation de droite (21) est disposée à l'extrémité de droite de la surface supérieure d'une base (10) ; l'unité de limitation de droite (21) comprend une colonne de limitation de droite ronde (215) ; une paire de tiges de liaison télescopiques radiales (22) qui sont réparties vers le haut et vers le bas et sont disposées de manière rotative sur l'unité de limitation de droite (21) ; des unités de limitation de gauche (23) sont agencées de manière rotative aux extrémités de la paire de tiges de liaison télescopiques radiales (22) à distance de l'unité de limitation de droite (21), respectivement ; chaque unité de limitation de gauche (23) comprend un siège rotatif de gauche au niveau de la partie inférieure ; une colonne de limitation de gauche ronde (234) est formée sur la surface supérieure du siège rotatif de gauche ; une plaque de support de gauche (235) est formée sur une surface latérale du siège rotatif de gauche ; des tiges filetées de limitation (24) traversent verticalement et sont reliées par filetage à la plaque de support de gauche (235) ; un siège de serrage en forme de plaque circulaire (241) est formé au niveau de l'extrémité supérieure de la tige filetée de limitation (24) ; une plaque de serrage (25) est agencée de manière mobile sur le siège de serrage (241) dans la direction radiale ; une pluralité de trous filetés de limitation (101) correspondant aux tiges filetées de limitation (24) est formée dans la partie gauche de la surface supérieure de la base (10). La présente invention est appropriée pour le positionnement et le serrage de couvercles de culasse de différentes tailles, et le positionnement et le serrage sont pratiques et rapides.
Patent WO-2021120580-A1 (WO)
Inventor: WANG HUAIQING
IPC: H01R13/02
Filed: 2020-06-30
Abstract: 一种板对板连接器以及该板对板连接器的形成方法。所述板对板连接器包括：具有至少三排公插件端子的公端（1）；以及具有至少三排母插件端子的母端（2），母插件端子的排数与公插件端子排数相等，其中，公端（1）上的位于中间排公插件端子（11）附近的区域设置有公端窗口（13），且公端窗口（13）由公端（1）注塑模具中的用于夹持中间排公插件端子（11）的夹持部件在注塑过程中形成；并且其中，母端（2）上的位于中间排母插件端子（21）附近的区域形成有母端窗口（23），且母端窗口（23）由母端（2）注塑模具中的用于夹持中间排母插件端子（21）的夹持部件在注塑过程中形成。
Patent WO-2021139120-A1 (WO)
Inventor: PAN XINGANG
IPC: G06T3/00
Filed: 2020-07-02
Abstract: A network training method and device, and an image generation method and device. The network training method comprises: inputting a latent vector into a pre-trained generator network, so as to obtain a first generated image (S11), wherein the generator network was obtained by means of adversarial training performed, via multiple natural images, on the generator network and a discriminator network; performing degradation processing on the first generated image, so as to obtain a first degraded image of the first generated image (S12); and training, according to the first degraded image and a second degraded image of a target image, the latent vector and the generator network (S13), wherein the trained generator network and the trained latent vector are used to generate a reconstructed image of the target image. The invention can improve training of generator networks.
Patent WO-2021208270-A1 (WO)
Title: Self-drilling type tubular column supporting device and method therefor
Inventor: YANG ZHONGNIAN
IPC: E21B17/046
Filed: 2020-07-08
Abstract: A self-drilling type tubular column supporting device and a method therefor. The device is a tubular pile drilling and grouting supporting operating device in which a supporting system can be easily assembled and disassembled, so as to achieve a large-diameter high-efficiency multi-soil-condition geotechnical engineering construction system, a device design and operating using method. The self-drilling type tubular column supporting device comprises a power drilling machine (1) mounted on a drill bit support (6), a pumping bent pipe (2) and a tubular pile connector (3) are respectively communicated with the power drilling machine; the tubular pile connector has a hollow tubular structure, and the perpendicular two ends of the tubular pile connector are respectively connected to the power drilling machine and a tubular pile (4); a pull rod (7) is sequentially in penetrating connection to the power drilling machine, the tubular pile connector, and the tubular pile in the perpendicular direction; the perpendicular bottom end of the pull rod is connected to a liftable drill bit (5); the liftable drill bit comprises a shaft body (5-7) which allows for the pull rod to be in penetrating connection and is located on the axial center; the peripheral side of the shaft body is pivotally connected to a plurality of drilling tooth holders (5-2) having drilling tooth bodies (5-1); pivotal connecting points, along the peripheral side of the shaft body, of the drilling tooth holders have a trend of peripheral movement. When the pull rod moves upwards in the perpendicular direction, the drilling tooth holders are horizontally pushed to and stored at the bottom end of the tubular pile.
Patent WO-2021258476-A1 (WO)
Inventor: WANG CHANGLIANG
IPC: H05K7/20
Filed: 2020-07-22
Abstract: The present application provides an electronic device, comprising a casing and a loudspeaker, a heating element and a heat-conducting member which are provided on the casing; the heat-conducting member is connected between the loudspeaker and the heating element, a heat-dissipating grid is connected to the heat-conducting member, the heat-conducting member is used for transferring heat from the loudspeaker and the heating element to the heat-dissipating grid, the heat-dissipating grid is connected to a fan; the fan comprises an air inlet and an air outlet, the air outlet is in communication with grid holes of the heat-dissipating grid, the fan can generate an airflow, and the airflow enters the fan through the air inlet, enters the grid holes through the air outlet and is discharged from the grid holes. By transferring heat from the loudspeaker and the heating element to the heat-dissipating grid by means of the heat-conducting member and conducting heat from the heat-dissipating grid to the outside by means of the airflow generated by the fan, the heat from the heating element and the loudspeaker can be dissipated at the same time, and the heat reliability of both the heating element and the loudspeaker can be ensured; in addition, by utilizing the characteristic that the heat-dissipating grid has a large specific surface area, the heat-dissipating grid dissipates heat faster, further reducing the temperature of the heating element and the loudspeaker.
Patent WO-2021139140-A1 (WO)
Inventor: LI NING
IPC: G06F21/64
Filed: 2020-07-30
Abstract: 一种基于区块链的密码管理方法，该方法包括：获取本地生成的包含一公钥以及一私钥的密钥对，并将公钥创建为密码管理账号(S101)；接收到用户发送的账号密码添加请求时，获取用户输入的待添加账号信息，并添加至密码管理账号下(S002)；通过预设的加密算法对接收到的待添加账号信息进行加密，得到对应的包括加密密文的第一账号加密信息；其中，待添加账号信息包括网址、账号以及对应账号的密码(S103)；通过所述私钥对第一账号加密信息进行数字签名，以获得签名，并将签名、第一账号加密信息以及公钥组成的第二账号加密信息发送至服务中心，以使得服务中心根据公钥对签名进行验证，并在验证成功后，将第二账号密码信息上传到区块链网络中，以实现对账号密码信息的管理(S104)。
Patent WO-2021052038-A1 (WO)
Title: Split-type composite lightweight connecting rod assembly and manufacturing method therefor
Inventor: GUO CHUNJIE
IPC: B29C45/14
Filed: 2020-08-03
Abstract: Disclosed are a split-type composite lightweight connecting rod assembly and a manufacturing method therefor. The split-type composite lightweight connecting rod assembly comprises a spherical hinge (30), a rod body (20), and a joint (10), wherein the joint is made of a composite material, the rod body is made of a metal or continuous fiber reinforced composite material, the rod body is connected to the joint, the spherical hinge is mounted in the joint, and the rod body and the joint are integrally injection-molded or fixedly connected, such that an end portion of the rod body is connected to the joint. According to the connecting rod, the center distance can be adjusted, the universality of a product is greatly improved, and the split structure can relatively shorten the flow distance of macromolecules, thereby avoiding the risk of inferior-quality products caused by an insufficient flow. An injection molding weld line is arranged at the end of a molding, i.e. the non-stressed position of a product, thereby effectively improving the strength of the product.
Patent WO-2022027480-A1 (WO)
Inventor: HU SHUYAN
IPC: H04L1/18
Filed: 2020-08-06
Abstract: 本申请实施例公开了一种数据采集方法、装置、Modbus系统及存储介质，属于通信技术领域。在本申请实施例中，主机与从机一次交互采集一个或多个分段数据，每个分段数据携带的数据数量最大为256。在Modbus系统中，一个数据最小以一字节表示，则每个分段数据携带的数据可达256字节，如果一次交互采集到多个分段数据，那么能够采集的数据量将远大于协议限制的252字节。也即本方案中一次交互能够采集的数据量更多，在需要采集的数据量一定的情况下，能够减少主机与从机的交互次数，这样总线占用频率降低但占用率提高。且由于从机一次响应的数据量更多，主机不会长时间耗费在一个从机上，因此，Modbus系统的实时性将提高。
Patent WO-2021027899-A1 (WO)
Inventor: LIAO YANCHENG
IPC: A24F47/00
Filed: 2020-08-13
Abstract: Disclosed is a low-temperature smoking set, comprising a body (1), a heating assembly (2), and a driving mechanism (3), wherein the body (1) comprises a containing cavity (132) allowing a cigarette (6) to be inserted, the heating assembly (2) comprises an insertion portion (211) allowing the cigarette (6) to be inserted, the driving mechanism (3) is connected to the heating assembly (2), and the heating assembly (2) can perform reciprocating linear movement between a first position wherein the cigarette (6) is inserted and a second position where the cigarette (6) is separated in the axial direction of the cigarette (6) under drive of the driving mechanism (3). When the heating assembly (2) is located at the first position, the insertion portion (211) is completely extended into the containing cavity (132), the heating assembly (2) can be used for heating the cigarette (6) inserted into the containing cavity (132), when the heating assembly (2) is located at the second position, the insertion portion (211) is at least partially moved out of the containing cavity (132), the heating assembly (2) is separated from the cigarette (6), a user can directly pull out the cigarette without causing tobacco leaf residues, and due to the fact that the movement direction of the heating assembly (2) is the axial direction of the cigarette (6), this will not cause the cigarette (6) to break.
Patent WO-2021057319-A1 (WO)
Inventor: LEI ZHENZHU
IPC: H04W52/02
Filed: 2020-08-14
Abstract: L'invention concerne un procédé et un appareil d'envoi de signalisation, un procédé et un appareil de réception de signalisation, un support de stockage, une station de base et un terminal. Le procédé d'envoi de signalisation consiste à : émettre des informations d'indication, les informations d'indication étant utilisées pour indiquer si un terminal surveille un PDCCH dans une fenêtre d'espace de recherche de PUR. La solution technique d'après la présente invention permet de réduire le coût de consommation d'énergie d'un UE.
Patent WO-2021077894-A1 (WO)
Inventor: HUANG WENHUA
IPC: A61F2/18
Filed: 2020-08-27
Abstract: 一种植入耳支架制备方法，通过搭建支架模型、3D打印模具、制备DOPA溶液和支架基体进行表面粘附DOPA四个步骤方法，制造出新型植入耳支架。模具的基体材料是由3D-Bioplotter仪器制备而成，不仅制备工艺简便快捷，且可以根据不同要求和材料的特点，精确控制支架的几何外形、孔径、孔隙率及孔的分布。制备的复合支架具有微米级的多孔结构，有利于大量细胞的增殖、组织的生长、细胞外基质的形成、氧气和营养的传输、代谢物的运输以及血管的内生长，可长效诱导表皮组织的形成。同时，支架表面粘附DOPA，不仅能大幅度地提高支架的亲水性能、生物相容性和表皮诱导效果，还具有良好的载药释药性能。
Patent WO-2021114750-A1 (WO)
Title: 可靠性高的切换阀及冰箱
Inventor: LU QIBIAO
IPC: F25B41/20
Filed: 2020-09-03
Abstract: 一种可靠性高的切换阀及冰箱，切换阀包括：阀座（1）、旋转滑块（2）和驱动机构，在第一工作位置时，第一导出口（15）和第二导出口（16）均与连通槽（21）连通，且第三导出口（17）和第一导入口（18）通过第二导出缺口（23）连通；在第二工作位置时，第三导出口（17）和第二导出口（16）均与连通槽（21）连通，且第一导出口（15）和第一导入口（18）通过第一导出缺口（22）连通。
Patent WO-2021128932-A1 (WO)
Title: 上行srs传输方法、装置及存储介质
Inventor: WANG HUALEI
IPC: H04L5/00
Filed: 2020-09-03
Abstract: 本公开涉及通信技术领域，尤其涉及一种上行SRS传输方法、装置及存储介质。所述方法包括：接收网络配置信息，所述网络配置信息包括用于指示SRS资源集的用法的信息；根据网络配置信息，发送上行SRS。本公开实施例通过用户设备接收网络配置信息，网络配置信息包括用于指示SRS资源集的用法的信息；根据网络配置信息，发送上行SRS；避免了相关技术中网络配置信息仅指示SRS资源集的一个用法导致无法支持不同用法的资源复用的情况，实现了SRS资源的灵活复用，从而降低了系统开销。
Patent WO-2022051899-A1 (WO)
Inventor: ZHAO MING
IPC: G06T17/05
Filed: 2020-09-08
Abstract: 一种移动路线的处理方法及装置、终端和存储介质。移动路线的处理方法包括：进行第一移动并确定对应的第一移动路线（S11）；进行第二移动并确定对应的第二移动路线（S12）；确定第二移动路线的起点在第一移动路线上的对应点和拼接角度（S13）；根据对应点和拼接角度对第一移动路线和第二移动路线进行拼接，生成拼接路线（S14）。该方法能够解决移动过程中断导致的移动路线不连续的问题。
Patent WO-2021047625-A1 (WO)
Title: Hand-held hair dryer
Inventor: YU HAO
IPC: A45D20/12
Filed: 2020-09-11
Abstract: Disclosed in the present application is a hand-held hair dryer, comprising a hand-held part and a main body part that are communicated with one another. The main body part comprises a circuit board assembly, an air baffle, and a heating assembly, the air baffle being positioned between the heating assembly and the circuit board assembly, guiding an airflow to flow from towards the heating assembly. In the hand-held hair dryer, the air baffle is arranged in an air outlet direction of the hand-held part, guiding the airflow to flow towards the heating assembly, thus preventing turbulent flow and causing the airflow to be smoother. Meanwhile, the airflow heated by the heating assembly is prevented from flowing towards the circuit board assembly, thus preventing high temperatures from impacting the stability of the circuit board assembly.
Patent WO-2022056708-A1 (WO)
Title: Communication device, and data transmission method and apparatus
Inventor: ZHU YUANPING
IPC: H04W76/15
Filed: 2020-09-16
Abstract: The present application provides a communication device, and a data transmission method and apparatus. The communication device is configured to determine a destination address of data transmitted by a first access technology terminal; the communication device is further configured to, when it is determined that the first access terminal is transmitting data to another terminal, for example, when the destination address of the data belongs to a second access technology terminal, implement transparent transmission of the data transmitted by the first access technology terminal to the second access technology terminal, without making the data passing through a base station and a core network device which are connected to the communication device, wherein the first access technology terminal and the second access technology terminal are connected to the communication device. By means of the present application, network access of diversified home terminal devices can be supported, and interaction of locally exchange services between the diversified home terminal devices can also be supported.
Patent WO-2022056726-A1 (WO)
Title: Chemical degreasing tank cable vibration cushioning device
Inventor: LIU CHENG
IPC: H02G3/04
Filed: 2020-09-16
Abstract: A chemical degreasing tank cable vibration cushioning device, which belongs to the technical field of damping. The device comprises fixing plates (1), wherein a total of two fixing plates (1) are provided; a backing plate (2) is fixedly mounted on one side of each fixing plate (1); a damping mechanism (5) is fixedly mounted on one side of the backing plate (2); the damping mechanism (5) includes two main structures, i.e. several anti-vibration rings (6) and damping seats (10); the anti-vibration rings (6) include fixing rings (8); and several damping seats (10) are fixedly mounted inside the fixing rings (8). Each damping seat (10) includes a fixing seat (14), wherein one end of the fixing seat (14) is fixedly connected to a telescopic rod (12) and a spring (13); the spring (13) is located on the outer side of the telescopic rod (12); and a cushion (11) is fixedly connected to the other ends of the telescopic rod (12) and the spring (13). The springs in the damping seats of the chemical degreasing tank cable vibration cushioning device have good elasticity, and the telescopic rods themselves have a telescopic property, thereby weakening, layer by layer, vibrations transferred from the outside, so that the vibrations transferred to a cable do not have any impact on the cable itself, thereby ensuring the service life of the cable.
Patent WO-2021129011-A1 (WO)
Title: 像素电路的驱动方法、显示面板和显示装置
Inventor: ZHAO DONGFANG
IPC: G09G3/20
Filed: 2020-09-27
Abstract: 一种像素电路的驱动方法、显示面板和显示装置，像素电路包括驱动晶体管、数据写入晶体管、补偿晶体管、第一初始化晶体管、第二初始化晶体管和发光器件，补偿晶体管连接于驱动晶体管的栅极和驱动晶体管的第二极之间，驱动晶体管的第二极通过第一初始化晶体管连接至初始化电源端；第二初始化晶体管连接于第一信号端和驱动晶体管的第一极之间；像素电路的驱动方法包括初始化阶段，向第一初始化晶体管的栅极和补偿晶体管的栅极提供导通控制信号，向第二初始化晶体管的栅极提供导通控制信号，向第一信号端提供固定电压（步骤110）；数据写入阶段，向数据写入晶体管的栅极提供导通控制信号（步骤120）。
Patent WO-2021238004-A1 (WO)
Inventor: GU AIJUAN
IPC: C08G73/06
Filed: 2020-09-29
Abstract: 一种基于生物质苯并噁嗪的形状记忆树脂及其制备方法与应用，以生物质糠胺、香草醛和多聚甲醛为原料，通过加热反应得到含醛基生物质苯并噁嗪单体；将含醛基生物质苯并噁嗪单体和聚醚胺混合，通过偶联反应得到希夫碱生物质苯并噁嗪单体；将希夫碱生物质苯并噁嗪单体经过固化即可得到具有形状记忆功能的生物质苯并噁嗪树脂。该苯并噁嗪形状记忆树脂具有优异的热性能、高拉伸模量和强度，原始形状可以根据需要被永久地改变，克服了传统交联聚合物在成型后无法再次加工的缺陷，并实现了在加热刺激条件下的恢复功能，优异的热性能和力学性能也提高了形状记忆聚合物的适用范围。
Patent WO-2022077461-A1 (WO)
Inventor: MA XIAOYING
IPC: H04W72/12
Filed: 2020-10-16
Abstract: La présente invention concerne un procédé de communication sans fil à utiliser dans un terminal sans fil. Le procédé comprend la réception, en provenance d'un nœud de réseau sans fil, d'informations de commande prédéfinies associées à au moins un premier type d'ensemble d'espaces de recherche dans une pluralité d'ensembles d'espaces de recherche pour une cellule programmée, la détermination d'au moins un canal physique de commande de liaison descendante, PDCCH, candidat correspondant à au moins un de la pluralité d'ensembles d'espaces de recherche sur la base des informations de commande prédéfinies pour la cellule programmée, et la surveillance du ou des canaux PDCCH candidats dans une cellule de programmation, la pluralité d'ensembles d'espaces de recherche comprenant au moins un second type d'ensemble d'espaces de recherche.
Patent WO-2021109741-A1 (WO)
Title: Serving method, apparatus, system and device, and storage medium
Inventor: DU XUEMING
IPC: H04L12/58
Filed: 2020-10-22
Abstract: A serving method, apparatus, system and device, and a storage medium. The method comprises: a user end acquiring a target question raised by a user, and sending the target question to a background end; insofar as the background end determines, on the basis of a question rule, that the target question does not need to be answered by an agent, querying a corresponding target answer on the basis of the target question; insofar as the background end determines, on the basis of the target answer, that the target question does not need to be answer by an agent, sending the target answer to the user end; insofar as the background end determines, on the basis of the target answer, that the target question needs to be answered by an agent, acquiring an agent answer provided by the agent to the target question, and feeding back the agent answer to the user end, wherein the agent answer or the target answer comprises at least one of a rich text answer and a speech answer, and an action answer; the user end presenting the rich text answer; and the user end instructing a virtual serving robot to present the speech answer and the action answer.
Patent WO-2021120848-A1 (WO)
Title: 一种电子班牌的信息更新方法及系统
Inventor: JIANG XU
IPC: H04L29/08
Filed: 2020-10-26
Abstract: 本发明公开了一种电子班牌的信息更新方法，包括如下步骤：(1)电子班牌端的信息检测单元向服务器端的消息队列中心订阅更新消息；(2)服务器端的信息管理单元设置单个或多个电子班牌终端的更新信息后，向消息队列中心发布更新消息；(3)对应的电子班牌终端收到订阅消息之后，由其信息获取单元向服务器端的信息管理单元获取更新信息，及时完成信息的更新。本发明通过消息队列中心可以实时灵活的管控电子班牌的更新信息，当不需要进行更新时，每台电子班牌不需要对服务器进行轮询，从而大大节约了流量，大大减轻了服务器的压力。
Patent WO-2021203680-A1 (WO)
Title: Service flow transmission method and apparatus, and device and storage medium
Inventor: YU JINGHAI
IPC: H04L47/6275
Filed: 2020-10-27
Abstract: Disclosed are a service flow transmission method and apparatus, and a device and a storage medium. The service flow transmission method comprises: acquiring a service flow; and according to the priority of the service flow, carrying out transmission by means of different flexible Ethernet FlexE outgoing interfaces. By means of determining the priority of a service flow, and according to the priority of the service flow, carrying out transmission by means of different flexible Ethernet FlexE outgoing interfaces, the mutual interference between service flows is prevented.
Patent WO-2021083182-A1 (WO)
Inventor: WANG JIANFEI
IPC: A61P19/06
Filed: 2020-10-28
Abstract: A compound of a uricosuric agent used as a uric acid transporter (URAT1) inhibitor, and application thereof in preparation of a medication for treating a disease related to abnormal uric acid levels. The present invention specifically relates to a compound represented by formula (I) and a pharmaceutically acceptable salt thereof.
Patent WO-2021238051-A1 (WO)
Title: Cobalt-free positive electrode material, preparation method therefor, and lithium-ion battery
Inventor: JIANG WEIJUN
IPC: H01M4/525
Filed: 2020-10-28
Abstract: A cobalt-free positive electrode material, a preparation method therefor, and a lithium-ion battery. The preparation method comprises: performing first sintering treatment on a lithium source material and a cobalt-free precursor to obtain a sintered product; crushing the sintered product to 1 to 2 μm to obtain a cobalt-free monocrystalline material; and performing second sintering treatment on the cobalt-free monocrystalline material, a boron coating agent, and a carbon coating agent to obtain a cobalt-free positive electrode material. The cobalt-free positive electrode material manufactured using the method has the advantages of a stable structure, high electrical capacity, excellent current rate performance and good circulating performance.