baber/WOPTO huggingface dataset:
Patent WO-2020199072-A1 (WO)
Inventor: ZHANG YIMIN
IPC: G06K9/00
Filed: 2019-04-01
Abstract: Apparatuses, storage media and methods associated with computer assisted or autonomous driving (CA/AD), are disclosed herein. A method comprises correspondingly processing a plurality of sequences of images collected by a CA/AD system (100,400) of the CA/AD vehicles (352a-352c) to detect objects (70) on the plurality of roadways; individually processing the sequences of images collected to detect objects (70) on the plurality of roadways via single camera motion based object detection analysis; collectively processing the sequences of images collected to detect objects (70) on the plurality of roadways via multi-view object detection analysis; and generating the autonomous driving dataset based at least in part on the object detection results of the corresponding, individual and collective processing of the sequence of images.
Patent WO-2020155385-A1 (WO)
Title: 液体分配方法和免疫分析方法
Inventor: ZHANG ZHEN
IPC: G01N33/53
Filed: 2019-04-11
Abstract: 一种液体分配方法，包括如下步骤：提供用于接收并带动反应器（20）运动的缓存单元（100），向位于缓存单元（100）上的空置的反应器（20）中分配样本；将已分配样本的反应器（20）从缓存单元（100）转移至位于初始工位（30）的摆渡单元（200）上；及使摆渡单元（200）在初始工位（30）和第一工位（31）之间运动，向位于第一工位处（31）的反应器（20）中分配试剂；其中，在摆渡单元（200）承载已分配样本的反应器（20）运动或静止的过程中，样本能够同时被分配至缓存单元（100）上空置的反应器（20）中。
Patent WO-2020211101-A1 (WO)
Inventor: CHEN ZHILIN
IPC: B60L5/16
Filed: 2019-04-22
Abstract: 一种具有受电功能的汽车行驶方向控制装置，包括侧偏摆臂机构，侧偏摆臂机构包括主传力臂（1）、伸缩式从传力臂（2）、驱动主传力臂（1）水平偏转的旋转驱动机构和驱动主传力臂（1）上下移动的升降驱动机构，伸缩式从传力臂（2）的一端与主传力臂（1）铰接；还包括设置在主传力臂（1）端部的导向块（3），导向块（3）上设置有与导轨（5）滑动配合的导向卡槽（4）；还包括设置在导向块（3）上的正极受电器（6）和负极受电器（7）。通过导向块（3）沿导轨（5）移动来对汽车行驶方向进行导向，使汽车由现有的无轨行驶变为无轨行驶和有轨行驶相结合，解决了车辆上设置偏转受电装置影响行驶稳定性及需要驾驶员控制行驶方向的技术问题。
Patent WO-2020206740-A1 (WO)
Inventor: ZENG WEIJING
IPC: H01L29/423
Filed: 2019-04-24
Abstract: A display panel and an electronic device. The display panel comprises a plurality of thin-film transistors, and each of the thin-film transistors comprises: an active region, a gate dielectric layer (130), a first gate metal layer (140), a second gate metal layer (142), an interlayer dielectric layer (150), a source region metal layer (164) and a drain region metal layer (162). The active region comprises a channel region (120), a source region (122) and a drain region (124); the source region metal layer (164) is located on the interlayer dielectric layer (150), and is electrically connected to the source region (122) by means of a through hole, and the drain region metal layer (162) is located on the interlayer dielectric layer (150), and is electrically connected to the drain region (124) and the second gate metal layer (142) by means of the through hole.
Patent WO-2020237405-A1 (WO)
Title: 氢微气泡制作方法及其装置
Inventor: YANG CHING-CHIEH
IPC: C01B3/08
Filed: 2019-05-24
Abstract: 一种氢微气泡(A1)制作方法及其装置（10），具有空气加压组件（1）以及水容器（2），水容器（2）中装载有水（A），空气加压组件（1）可吸入及加压气体进入氢气振荡产生单元（3），氢气振荡产生单元（3）内布设有镁合金制作的氢气振荡体（4），氢气振荡体（4）与气体所含水分子反应得到氧化镁及氢气，而后，氢气振荡产生单元（3）将化学反应后气体通过气体喷头（5）喷入水（A）中，并于水（A）中成为含有氢气的氢微气泡（A1）。
Patent WO-2020248122-A1 (WO)
Inventor: XU SHIGUO
IPC: G01N33/00
Filed: 2019-06-11
Abstract: 一种非饱和下垫面蒸散发量分离测算方法与装置，该装置包括三组补偿对比装置（a，b，c）、中央控制单元（2）、电源管理单元（3）、物联网（4）、远程端服务器（5）。三组补偿对比装置（a，b，c）测量区域土壤中心均设有与中央控制单元（2）连接的土壤剖面水分仪（1-3）。中央控制单元（2）控制水分仪（1-3）定时采集不同深度土壤含水量数据。电源管理单元（3）为整套系统的电力来源。远程端服务器（5）在网络调试成功后接入物联网（4），读取土壤剖面水分仪（1-3）数据，并实现远程传输。在不破坏陆生植物生长状态下，可同时监测土壤及植物的蒸散量，满足智能化自动采集、存储及数据传输的监测需求；可适用于多领域，具有装置精简、稳定性和可靠性高、野外适应性好等特点。
Patent WO-2020248276-A1 (WO)
Title: Door/window mounting structure for fabricated integrated building
Inventor: HU YONGSHENG
IPC: E06B1/60
Filed: 2019-06-14
Abstract: A door/window mounting structure for a fabricated integrated building, comprising a wall body (1). The wall body (1) is provided with a mounting hole. A door/window frame (2) is mounted in the mounting hole. Four inner walls of the mounting hole are all provided with two pre-embedded columns (3). The four inner walls of the door/window frame (2) are all provided with two snap-fit grooves (4). The inner wall of one side of each snap-fit groove (4) is provided with a snap-fit hole (5). One ends of two pre-embedded columns (3) located on the same side penetrate through two corresponding snap-fit holes (5), respectively. Each snap-fit groove (4) is provided with a snap-fit block (24) therein, one side of the snap-fit block (24) is in contact with the inner wall of one side of the snap-fit groove (4), and one side of the snap-fit block (24) is provided with a slot (6). One ends of the pre-embedded columns (3) extend into the slots (6).
Patent WO-2020015548-A1 (WO)
Inventor: CEN BIN
IPC: B25J9/16
Filed: 2019-07-08
Abstract: 本申请实施例提供一种机器人控制方法、机器人及存储介质。在本申请实施例中，机器人基于重定位操作，确定其脱离劫持时所在位置；并根据其在脱离劫持时所在位置周围的环境信息，确定任务执行区域；之后在该任务执行区域内执行任务。这样，机器人可根据其脱离劫持时所处的环境，灵活确定任务执行区域，而无需回到被劫持时所在位置继续执行任务，进而实现因地制宜，可尽量满足用户需求。
Patent WO-2021012231-A1 (WO)
Inventor: HUANG XINGZHI
IPC: H04R1/02
Filed: 2019-07-24
Abstract: The present application provides a speaker device and a mobile terminal for the same. The speaker device comprises a speaker box, a heat generation element, and a thermally conductive member. The speaker box comprises a housing and a sound generation unit having a vibration diaphragm, and the vibration diaphragm and the housing are disposed spaced apart to form a front sound chamber. The speaker box further comprises a sound emission channel communicating the front sound chamber and the external environment, and the front sound chamber and the sound emission channel constitute a front chamber. The thermally conductive member comprises a first terminal portion connected to the heat generation element, a second terminal portion, and a connection portion connecting the first terminal portion and the second terminal portion. The housing is provided with a through hole passing through the housing at a position corresponding to the front chamber. The second terminal portion of the thermally conductive member extends into the front chamber via the through hole. The speaker device and the mobile terminal for the same in the present application allow the first terminal portion of the thermally conductive member to be attached to the heat generation element and the second terminal portion to be inserted into the front chamber via the through hole. An air cooling effect created by an air flow in the front chamber enables heat of the heat generation element to be discharged, thereby ensuring heat dissipation efficiency of the speaker device and the mobile terminal for the same.
Patent WO-2020228154-A1 (WO)
Inventor: HUANG GU
IPC: G09G3/36
Filed: 2019-08-08
Abstract: A discharge circuit, used for releasing the charge on a common electrode (CE) of a display apparatus (1), comprising; a timing control chip (14), a first switch element (T1), and a second switch element (T2). The timing control chip (14) is used for outputting mutually inverted clock signals (CK). A control end of the first switch element (T1) receives one of the mutually inverted clock signals (CK), and an input end thereof is electrically connected to the common electrode (CE). A control end of the second switch element (T2) receives the other of the mutually inverted clock signals (CK), an input end thereof is electrically connected to the output end of the first switch element (T1), and an output end thereof is electrically connected to a ground end. When the display apparatus switches off, the timing control chip (14) controls the phase of the clock signals (CK), such that the first switch element (T1) and the second switch element (T2) simultaneously conduct to form a discharge path from the common electrode (CE) to the ground end.
Patent WO-2021017027-A1 (WO)
Title: Suction generation device and dust collector
Inventor: DU LIXING
IPC: A47L5/22
Filed: 2019-08-08
Abstract: A suction generation device and a dust collector. The suction generation device comprises a housing (100), an accommodating cavity (110) being provided in the housing (100), one side of the housing (100) being provided with an air inlet (120) communicated with the accommodating cavity (110), and the other side being provided with an air outlet (130) communicated with the accommodating cavity (110); two impellers (200), one impeller (200) being rotatably provided on the housing (100) and being adjacent to the air inlet (120), and the other impeller (200) being rotatably provided on the housing (100) and being adjacent to the air outlet (130); and a driving member (300) which is in transmission connection with the two impellers (200) and drives the two impellers (200) to rotate. The beneficial effects of the present invention are: increasing suction generated by the dust collector, thereby improving a dust collection effect of the dust collector.
Patent WO-2020038316-A1 (WO)
Title: Comprehensive crushing and floating tower
Inventor: ZHU XINGLIANG
IPC: B02C21/00
Filed: 2019-08-19
Abstract: Disclosed is a comprehensive crushing and floating tower, comprising a tamped flat ground (4), a tower, a material crushing integrated system, and a floating anti-seismic engine base. The tower is erected on the tamped flat ground (4) by means of the floating anti-seismic engine base, and the floating anti-seismic engine base comprises a rock block damping layer (3) provided on the tamped flat ground (4) and bearing structures (25) uniformly erected on the rock block damping layer (3). The tower comprises a tower frame and a tower enclosure structure. The tower frame comprises a horizontally-provided transverse placing frame and a vertically-provided three-layer vertical placing frame. A material feeding device is placed on the transverse placing frame, and a first material crushing device (2), a second material crushing device (8), and a material screening device (6) are arranged on the vertical placing frame from top to bottom. According to the comprehensive crushing and floating tower, a plurality of material devices is placed in a centralized manner, so that the material devices are in a floating state, the original state of the land is protected, and a good screening effect is achieved.
Patent WO-2020232877-A1 (WO)
Inventor: WANG JIANZONG
IPC: G06F16/332
Filed: 2019-08-28
Abstract: 本申请公开了一种问题答案选取方法、装置、计算机设备及存储介质，应用于深度学习技术领域，用于解决如何从多个潜在答案中寻找最佳答案的问题。本申请提供的方法包括：获取待匹配答案的目标问题；获取各个潜在答案；分别对目标问题和各个潜在答案进行向量化处理，得到目标问题向量和各个潜在答案向量；针对每个潜在答案向量，将目标问题向量和每个潜在答案向量作为输入投入至预先训练好的深度学习模型，得到每个潜在答案向量对应的匹配概率，匹配概率表征了每个潜在答案向量对应的潜在答案与目标问题匹配的概率；从各个潜在答案向量中选取出匹配概率最大的一个潜在答案向量；将选取出的一个潜在答案向量对应的潜在答案确定为目标问题的最终答案。
Patent WO-2020011282-A1 (WO)
Title: Refrigerator door body frame assembly
Inventor: YANG HELIANG
IPC: F25D23/02
Filed: 2019-09-10
Abstract: A left/right symmetrical refrigerator door body frame assembly, comprising a handle strip (10), strip connecting pieces (20), sheet metal strips (30) and an injection moulding strip (40). The handle strip (10) extends along the width direction of a refrigerator, the strip connecting pieces (20) are connected to both ends of the handle strip (10), first slots (101) are formed between the strip connecting pieces (20) and the handle strip (10), the first slots (101) are recessed from end portions of the handle strip (10) towards the centre of the handle strip (10), the sides of the ends of the sheet metal strips (30) close to the strip connecting pieces (20) are provided with protruding tabs (31), the tabs (31) extend into the first slots (101) and form first docking connections with the first slots (101), the injection moulding strip (40) is arranged in parallel beneath the handle strip (10), and both ends of the injection moulding strip (40) are connected to the ends of the sheet metal strips (30) away from the strip connecting pieces (20). The refrigerator door body frame assembly can effectively prevent rusting of the sheet metal strips (30).
Patent WO-2020134237-A1 (WO)
Title: 驱动机构
Inventor: LIN WU-CHEN
IPC: B62M7/12
Filed: 2019-09-24
Abstract: 一种驱动机构（1），两端分别组接于车架（21）及驱动轮（22），驱动机构（1）包含马达壳体（11）、马达组件（12）及驱动器（13）。马达壳体（11）支撑车架（21）并定义一内部空间（111）。马达组件（12）可拆卸地组接于马达壳体（11），且位于内部空间（111），其中马达组件（12）驱动驱动轮（22）。驱动轮（22）可拆卸地组接于马达壳体（11），且位于内部空间（111），并与马达组件（12）电连接。该驱动机构（1）通过将马达组件（12）和驱动器（13）容置于马达壳体（11）的内部空间（111）中，可提升气密性及防水性。
Patent WO-2021062638-A1 (WO)
Title: Method and device for sending and receiving feedback information
Inventor: LIN YANAN
IPC: H04L5/00
Filed: 2019-09-30
Abstract: Provided are a method and device for sending and receiving feedback information. The method comprises: a terminal device receiving first signaling, wherein the first signaling is used for instructing the terminal device to transmit feedback information corresponding to at least one target group, wherein downlink channels corresponding to the same target group in the at least one target group belong to the same carrier; and the terminal device sending a feedback information codebook, wherein the feedback information codebook comprises the feedback information corresponding to the at least one target group. By means of the first signaling, the terminal device can be triggered, by taking at least one group corresponding to one carrier as a unit, to feed back the feedback information of the downlink channels, instead of triggering, by taking a plurality of carriers as a unit, the terminal device to feed back the feedback information of the downlink channels, thereby preventing the feedback information having a lot of redundant information due to an LBT failure of a certain carrier; and the feedback efficiency can be improved.
Patent WO-2020252990-A1 (WO)
Title: 一种破碎煤体注浆加固界面强度测试方法
Inventor: SUN YUANTIAN
IPC: G01N3/24
Filed: 2019-10-11
Abstract: 一种破碎煤体注浆加固后界面强度测试方法，主要步骤为：制作煤基体两块及水泥浆，将两块煤基体之间充入水泥浆形成试样；将试样水平置于上下布置的两个直剪盒内，通过直剪盒固定分别固定上下两个煤基体，开动直剪仪器，并将压头施加于试样顶面，调整垂直应力到设定值，采用位移控制慢慢移动位于下方的剪切盒，实时采集剪切力，待到试样完全剪断后，停止试验，记录位移，峰值剪切力，残余剪切力等参数；最后通过数据拟合，计算出煤体的峰值和残余的内聚力和内摩擦角。通过设置对照实验，从而评定出破碎煤体注浆加固后界面强度变化，以真实煤体作为基体，能够量化计算煤体注浆后的结构面间的强度，测试结果更加接近现场情况。
Patent WO-2020083344-A1 (WO)
Inventor: LI HUI
IPC: G06F16/48
Filed: 2019-10-24
Abstract: 本公开涉及关联确定方法和装置、推荐方法和装置、电子设备、计算机可读存储介质。该关联确定方法包括：提取听觉对象的第一特征；基于所述第一特征，确定所述听觉对象所属的至少一个类别；提取视觉对象的第二特征；基于所述第二特征，确定所述视觉对象所属的至少一个类别；以及根据所述听觉对象所属的至少一个类别，和所述视觉对象所属的至少一个类别之间的关系，确定所述听觉对象和视觉对象是否关联。
Patent WO-2020088375-A1 (WO)
Title: Establishment method for fuel rod cladding creep finite-length pipe correction method
Inventor: LU YONG
IPC: G06F17/00
Filed: 2019-10-25
Abstract: Disclosed is an establishment method for a fuel rod cladding creep finite-length pipe correction method. The establishment method comprises: S1, determining parameters of a cladding pipe; S2, performing analysis and processing to obtain the ovalities of cladding pipes with different pipe lengths and different initial ovalities; S3, obtaining, according to the obtained ovalities of the cladding pipes with different pipe lengths and different initial ovalities and in conjunction with internal and external pressure differences of the cladding pipes, the rigidities of the cladding pipes with different pipe lengths and different initial ovalities; S4, obtaining a cladding pipe correction factor F; and S5, according to the analysis of the influence of the pipe lengths and the initial ovalities of the cladding pipes and the internal and external pressure differences of the cladding pipes on the cladding pipe correction factor, determining a curve of a finite-length pipe correction factor, and establishing a finite-length pipe correction method. By means of the method, the problem of an end boundary condition affecting a cladding creep behavior in fuel rod cladding creep collapse analysis is solved, the rationality and reliability of fuel rod cladding creep analysis are improved, and the cladding creep collapse analysis reliability of a fuel rod in engineering analysis and designs is guaranteed.
Patent WO-2021081774-A1 (WO)
Title: Parameter optimization method and apparatus, control device, and aircraft
Inventor: GAO WENLIANG
IPC: B64C27/08
Filed: 2019-10-29
Abstract: A parameter optimization method and apparatus, a control device, and an aircraft. The method comprises: acquiring an image frame set acquired by a camera unit (103) during a flight of an aircraft; determining multiple matching feature point sets in the image frame set, wherein each matching feature point set corresponds to a spatial point, and each matching feature point set comprises multiple matching feature points; and optimizing, according to sensor data of an inertial measurement unit (104) during acquisition of each image frame of the image frame set and according to an image position of the matching feature point in the matching feature point set in a corresponding image frame of the image frame set, relevant parameters stored in the aircraft. The relevant parameters comprise at least one of a relative orientation parameter between the camera unit (103) and the inertial measurement unit (104), and internal parameters of the camera unit (103), so as to facilitate the acquisition of more accurate external parameters and internal parameters.
Patent WO-2020088492-A1 (WO)
Inventor: LIU HONGCHUAN
IPC: A61K47/00
Filed: 2019-10-30
Abstract: L'invention concerne une préparation liquide contenant une concentration élevée d'un anticorps anti-PCSK9 (pro-protéine convertase subtilisine/kexine de type 9 humaine). Ladite préparation comprend en outre un tampon, un agent stabilisant et un tensioactif. La viscosité de la préparation liquide est faible, et l'anticorps présente une stabilité élevée après le stockage de la préparation pendant plusieurs mois.
Patent WO-2021087690-A1 (WO)
Inventor: HUANG XIDI
IPC: G01S13/02
Filed: 2019-11-04
Abstract: A sensor and a movable platform. The sensor comprises: a motor (10), the motor (10) comprising a stator (11) and a rotor (12) rotatably connected to the stator (11); and a rotating body (20), the rotating body (20) comprising an intermediate connection plate (21) and at least one side plate (22) connected to the intermediate connection plate (21), and the intermediate connection plate (21) being connected to the rotor (12). When the rotor (12) drives the intermediate connection plate (21) to rotate, the intermediate connection plate (21) drives the side plate (22) to rotate in the circumferential direction of the motor (10), the intermediate connection plate (21) and the side plate (22) form a rotation space, and at least a part of the motor (10) is located in the rotation space. In this way, the structural layout of the sensor is more reasonable, greatly improving the space utilization rate, and effectively reducing the space occupied by the sensor.
Patent WO-2021035946-A1 (WO)
Inventor: LI ZILAN
IPC: H01L29/778
Filed: 2019-11-04
Abstract: A transistor having high withstand voltage and high electron mobility and a preparation method therefor. The transistor having high withstand voltage and high electron mobility comprises: gate electrodes (108), source electrodes (107), a drain electrode (106), a barrier layer (105), a channel layer (104), a nucleation layer (103), and a substrate (101). The channel layer (104) is located between the barrier layer (105) and the substrate (101). The channel layer (104) comprises a P-type III-V group semiconductor layer, wherein the projection of the nucleation layer (103) on the substrate (101) overlaps at least part of that of the drain electrode (106), the drain electrode (106) is in electrical contact with the two-dimensional electron gas of the channel layer (104), the source electrodes (107) are in electrical contact with the P-type III-V group semiconductor layer, and the gate electrodes (108) are located on the barrier layer (105).
Patent WO-2020114194-A1 (WO)
Inventor: LI HAO
IPC: H01Q1/24
Filed: 2019-11-08
Abstract: A communication terminal and an antenna state control method. The communication terminal comprises a housing and a driving mechanism provided in the housing. The housing comprises a metal frame body, and the metal frame body comprises a first metal sub-frame body, a second metal sub-frame body, and a third metal sub-frame body; the first metal sub-frame body and the second metal sub-frame body are fixed on the housing, the first metal sub-frame body and the second metal sub-frame body are separately provided, and the third metal sub-frame body is connected to the driving mechanism. The driving mechanism drives the third metal sub-frame body to be in a first state or drives the third metal sub-frame body to be in a second state; the first state is that the third metal sub-frame body has a first distance away from the second metal sub-frame body, and serves as a state of a radiation main body of the communication terminal; the second state is that the three metal sub-frame body and the second metal sub-frame body are separated by a second distance and are coupled, and serves as a state of a parasitic radiator of the communication terminal.
Patent WO-2021022706-A1 (WO)
Title: 分布式计算系统任务分配方法及相关设备
Inventor: WANG TAO
IPC: G06F9/48
Filed: 2019-11-12
Abstract: 一种分布式计算系统任务分配方法及相关设备。所述方法包括：获取多个待处理任务（101）；根据多个待处理任务的属性值对多个待处理任务进行排序；将多个待处理任务分配给分布式计算系统的多个计算设备；计算每个计算设备的已分配任务的属性值之和，计算最大的属性值之和与最小的属性值之和的第一差值；计算第一计算设备的每个已分配任务的属性值与第二计算设备的每个已分配任务的属性值的第二差值；交换第一待交换任务与第二待交换任务；若第一差值满足预设条件，将取得第一差值的任务分配表作为最终的分配结果；根据任务分配表将待处理任务下发给所述多个计算设备（110）。所述方法能够将多个任务根据其属性值均衡分配给分布式计算系统的多个计算设备。
Patent WO-2020220636-A1 (WO)
Inventor: YU FENGYING
IPC: G06K9/62
Filed: 2019-11-12
Abstract: A text data enhancement method and apparatus, and an electronic device, relating to the technical field of machine learning. The method comprises: acquiring original text (201); performing word segmentation processing on the original text to acquire several candidate words (202); for a target candidate word, on the basis of context information of the target candidate word, acquiring N replacement words from a pre-set dictionary by using a bidirectional long short-term memory network model (203), wherein the target candidate word is any one candidate word in the several candidate words, a semantic label corresponding to each replacement word in the N replacement words matches a semantic label corresponding to the original text, and N is a positive integer; and generating N pieces of first extended text according to the N replacement words and the original text (204). The method can improve the semantic accuracy of text data enhancement.
Patent WO-2021042560-A1 (WO)
Title: Case auxiliary information prompting method, device, storage medium and server
Inventor: DAI GUANGYU
IPC: G06F40/205
Filed: 2019-11-14
Abstract: Provided are a case auxiliary information prompting method, a device, a storage medium and a server. The method comprises: obtaining a judgment result text of a case (101); extracting sentence information and applicable laws of the case from the judgment result text (102); extracting case information of the case from a legal document related to the case (103); inputting the case information into a pre-constructed first neural network model, and determining the reasonability of the sentence information according to an output result of the first neural network model (104); inputting the case information into a pre-constructed second neural network model, and determining whether the applicable laws are correct according to an output result of the second neural network model (105); and if the reasonability of the sentence information is lower than a preset threshold or the applicable laws are incorrect, outputting auxiliary information for indicating that the case judgment is wrong (106). With this method, a judge can be assisted in supervising and rechecking a judgment result of a case.
Patent WO-2021092866-A1 (WO)
Inventor: JIANG DAOYI
IPC: H01M4/48
Filed: 2019-11-14
Abstract: 本申请涉及负极材料及包含其的电化学装置和电子装置。本申请负极材料包括硅复合物基体，所述负极材料在X射线衍射图案中2θ归属于28.0°-29.0°范围内最高强度数值为I 2，归属于20.5°-21.5°范围内最高强度数值为I 1，其中0＜I 2/I 1≤1。本申请负极材料具有良好的循环性能，同时由该负极材料制备的电池具有较好的倍率性能和较低的膨胀率。