baber/WOPTO huggingface dataset:
Patent WO-2020056911-A1 (WO)
Inventor: CHANG HONGYAN
IPC: G02F1/1343
Filed: 2018-11-23
Abstract: A pixel electrode and a display panel. The pixel electrode comprises a main trunk portion (10) comprising a first main trunk (11) and a second main trunk (12) intersecting to form pixel electrode regions, wherein an intersection of the first main trunk (11) and the second main trunk (12) is a central point (13); and branch portions (20), namely the four pixel electrode regions equally divided as a result of intersecting of the first main trunk (11) and the second main trunk (12), wherein each of the four branch portions (20) comprises multiple branches (21), one end of each branch (21) or an extension line thereof intersects with the first main trunk (11) or an extension line thereof, and the other end of each branch (21) or the extension line thereof intersects with the second main trunk (12) or an extension line thereof.
Patent WO-2019242229-A1 (WO)
Title: 一种缓冲垫片及包装盒
Inventor: WU QIONG
IPC: B65D81/05
Filed: 2018-11-23
Abstract: 一种缓冲垫片及包装盒，该缓冲垫片(1)包括设于相邻两块片状物(4)之间的本体(11)和凸部(12)，该凸部沿本体的至少一端向外延伸，并且超出片状物的对应端，在包装盒(2)上且对应于该凸部的位置开设有凹槽(23)，缓冲垫片(1)和片状物(4)交替设置于包装盒中，凸部均设置于该凹槽(23)中。通过清点凹槽中垫片凸部的数量，可以快速知晓片状物的数量，因此不需要将片状物和缓冲垫片全部从包装盒中取出，片状物的数量清点操作方便快捷。
Patent WO-2019114576-A1 (WO)
Inventor: LI SHIQIANG
IPC: B29C64/20
Filed: 2018-12-04
Abstract: 一种三维打印机及其组装方法，三维打印机（1）包括底座模块（2）、顶座模块（3）、打印模块（5）和至少三组滑台组件模块（4），底座模块（2）与顶座模块（3）均为注塑件且共轴线设置，每组滑台组件模块（4）包括上盖板（41）和下盖板（42），上盖板安装在第二定位槽内并与顶座模块可拆卸地固定连接，下盖板位于第一定位槽内并与底座模块可拆卸地固定连接。
Patent WO-2020048031-A1 (WO)
Inventor: WANG NA
IPC: G01C21/00
Filed: 2018-12-07
Abstract: 一种基于社交应用的AR导航方法、存储介质及移动终端，基于社交应用的AR导航方法包括：移动终端接收用户的操作指令，启动社交应用中的增强现实导航功能，进行导航出行规划（S100）；实时获取移动终端摄像头拍摄的图片，并将其作为摄像头的背景（S200）；获取移动终端的当前位置与目标位置之间的方向角，并利用四元数结合的Open GL坐标系进行运算，生成三维旋转指示模型（S300）；将生成的三维旋转指示模型叠加到摄像头的背景上，旋转移动终端的当前位置与目标位置之间的方向角，实现AR导航（S400）。通过在社交应用中搭载增强现实导航技术，将社交与导航融合，以使社交应用中具有增强现实导航功能，能够有效提高导航效果，给用户的使用提供了方便。
Patent WO-2019128786-A1 (WO)
Title: 一种图像信息处理方法及装置
Inventor: MA CHUNYANG
IPC: H04N5/235
Filed: 2018-12-19
Abstract: 一种图像信息处理方法及装置，包括：检测两个或两个以上图像的特征信息，得到满足预设特征区域的特征信息对应的图像（100）；基于得到的图像的特征信息确定特征参考信息（101）；利用特征参考信息对所述两个或两个以上图像进行调整（102）。由于被调整的图像会根据特征参考信息对自身的特征信息做增量或减量调整，而特征参考信息反映的是批量图像中大多数图像的特征，自动实现了对批量图像的特征一致性的调整，而且，也保证了批量图像的特征的协调性。
Patent WO-2019153967-A1 (WO)
Title: Illumination device for cooperatively regulating human biological rhythms in multiple paths
Inventor: MA JUNXIAN
IPC: A61N5/06
Filed: 2018-12-29
Abstract: An illumination device for cooperatively regulating human biological rhythms in multiple paths, comprising a bracket (16), a control unit provided on the bracket (16), light emitting units and audio playback units (18), the control unit outputs control signals to the light emitting units and controls optical parameters of light emitted by the light emitting units; the light emitting units are provided in set positions of the bracket (16), enable emitted light thereof which is generated according to the control signals output by the control unit to form light beams, and project the light beams to a non-visual area of the human body wearing the bracket (16); the audio playback units (18) receive and play audio data sent by the control unit; and the control unit determines the audio data with rhythms similar or identical to parameter values of specific components of brain waves of the current user and sends the audio data to the playback units (18). The present invention has the following beneficial effects: multiple neural pathways such as illumination and audio can used to cooperatively act on the nervous system of a human body, and a more accurate, more efficient and safer biological rhythm regulation function can be realized.
Patent WO-2020147004-A1 (WO)
Inventor: SHI JUNPENG
IPC: H01L33/54
Filed: 2019-01-15
Abstract: 本发明提供了一种发光二极管封装器件，包括：彼此分隔开的若干个LED芯片，所述LED芯片包含相对的第一表面、第二表面和在第一表面和第二表面之间的侧面，所述第一表面为出光面，所述第二表面上设有一对电极；电路层，形成在所述LED芯片的第二表面之上，具有相对的上表面、下表面及在上表面和下表面之间的侧面，所述上表面与所述LED芯片的电极连接；封装层，包覆所述LED芯片的侧面、第二表面及电路层的侧面，并填充所述电路层内部的间隙，至少裸露出所述电路层的部分下表面。
Patent WO-2020113787-A1 (WO)
Inventor: ZHOU WENZONG
IPC: A61B8/00
Filed: 2019-01-17
Abstract: An ultrasound probe configuration method, comprising: a dead zone of an ultrasound probe at a preset detecting depth is obtained (S11); the ultrasound probe is placed in a three-dimensional magnetic field, and a first image obtained when the ultrasound probe scans air and a second image obtained when an acoustic lens of the ultrasound probe is in contact with a top end of a free transducer coated in a couplant are acquired (S12); on the basis of color difference ratios, a first region and a second region having the longest continuous color differences on corresponding arcs are respectively selected, and median coordinates of the first region and the second region are calculated (S15); on the basis of the median coordinates of the first region and the second region and the dead zone, two-dimensional coordinates of the top end of the free transducer in the second image are calculated and converted to three-dimensional coordinates to be measured, and on the basis of the three-dimensional coordinates to be measured and actual three-dimensional coordinates of the free transducer receiving the magnetic field, a ternary equation system is established, and a correction value for the ultrasound probe in the magnetic field is calculated. By means of the present method, measurement error is effectively reduced, and three-dimensional localization accuracy is improved.
Patent WO-2020181523-A1 (WO)
Inventor: LIU CUIJUN
IPC: G06F21/32
Filed: 2019-03-13
Abstract: Provided are a method and apparatus for waking up a screen. The method for waking up a screen comprises: acquiring M image frames, wherein each of the image frames comprises a first facial image, and M is an integer greater than or equal to one; according to a pre-configured neural network, determining whether each first facial image matches a pre-set facial image and belongs to a user who is gazing at the screen of a device; and when each first facial image matches the pre-set facial image and belongs to the user, switching the screen from a screen-off state to a screen-on state. The technical solution provided by the present application can improve the screen wakeup accuracy for a device without significantly increasing costs.
Patent WO-2020191700-A1 (WO)
Inventor: ZHANG PENG
IPC: H04L9/32
Filed: 2019-03-28
Abstract: 一种可连接环签名方法、装置、设备以及存储介质，方法包括：获取安全参数和待加密信息(S101)；根据安全参数生成系统参数(S102)，其中，系统参数包括：第一哈希函数、第二哈希函数、第一生成元以及第二生成元；根据系统参数生成公私钥对集合(S103)；其中，公私钥对集合包括公私钥对，公私钥对包括公钥和与公钥匹配的私钥；根据待加密信息、系统参数以及公私钥对集合确定符合预设结构的签名(S104)；其中，预设结构包括第一标签、签名元素、多幂以及内积论证；内积论证为第一向量的内积论证，第一向量包括第三标签、多幂、挑战、第一随机子向量以及第二随机子向量。本方法在没有降低安全性的前提上，将签名的通信复杂度缩小为O(log 2(n))，降低了存储和通信成本。
Patent WO-2020199003-A1 (WO)
Inventor: YOU XIN
IPC: H04W36/08
Filed: 2019-03-29
Abstract: Provided are a switching method and apparatus, a terminal and a network device. The method comprises: a terminal sending first information to a source base station, wherein the first information is used for instructing the source base station to reselect a target cell to be switched.
Patent WO-2019192433-A1 (WO)
Title: Method for chemical pattern recognition of authenticity of traditional chinese medicine chinese honeylocust spine based on near-infrared spectroscopy
Inventor: WANG TIEJIE
IPC: G01N21/359
Filed: 2019-04-01
Abstract: Provided is a method for chemical pattern recognition of the authenticity of the traditional Chinese medicine Chinese honeylocust spine based on near-infrared spectroscopy. The method uses the combination of a near-infrared spectroscopy acquisition method, a first-stage derivative pretreatment method and a successive projection algorithm, a Kennard-Stone algorithm and a marching algorithm to perform chemical pattern recognition on the authenticity of the traditional Chinese medicine Chinese honeylocust spine, such that the results of the pattern recognition method are accurate and reliable, and Chinese honeylocust spine and counterfeits thereof can be accurately distinguished. The present application is the first to establish a method for the chemical pattern recognition of the quality of Chinese honeylocust spine based on near-infrared spectroscopy, can accurately distinguish between Chinese honeylocust spine and counterfeits thereof, and provides scientific basis for the quality evaluation of Chinese honeylocust spine.
Patent WO-2019218912-A1 (WO)
Inventor: XUE FEI
IPC: H04M1/02
Filed: 2019-05-08
Abstract: 本公开提供一种转动轴体及电子设备，其中，转动轴体包括第一转动面和第二转动面，所述第一转动面与所述第二转动面具有一共同侧边，所述第一转动面的转动轴心与所述第二转动面的转动轴心同侧且不重合，所述第一转动面设置有第一止位部，所述第二转动面设置有第二止位部；所述转动轴体还包括支承面，所述支承面与两转动面的转动轴心同侧设置，所述支承面朝向两转动面内凹，所述支承面的两侧分别设置有第三止位部和第四止位部。
Patent WO-2019237865-A1 (WO)
Title: Data protection method and computing device
Inventor: YANG LIXIANG
IPC: G06F21/56
Filed: 2019-05-11
Abstract: Disclosed is a method for protecting specific data accessed by a CPU, relating to information technology, especially in the field of information security, and in particular, to a method for protecting a return address of a branch instruction. The method comprises: using an on-site information stack to save data produced by an operation requiring on-site protection, such as calling and interrupting; adding an ass register and an aesp register, respectively for saving a segment selector of the on-site information stack and a stack top pointer of the on-site information stack; and adding pushadr and popadr instructions, wherein the pushadr instruction is used for pushing an address into the on-site information stack and aesp automatically points to a new stack top, and the popadr instruction is used for popping up an address from the on-site information stack and the aesp automatically points to a new stack top. By applying the solution provided by the present invention, the generation of an attack due to a new execution sequence generated in a program because a return value called by a function or an address interrupting the return are covered is prevented.
Patent WO-2020191896-A1 (WO)
Inventor: LI GUANGHUI
IPC: G01N29/07
Filed: 2019-05-15
Abstract: Provided is a method for imaging the internal defects of a tree longitudinal cross-section, belonging to the field of non-destructive testing of trees. In the method, taking as input data the propagation time of a stress wave inside a tree, an imaging plane is divided into a certain number of grid cells to establish an initial velocity distribution of the imaging plane; then, a linear propagation model is used for a plurality of iterations; after the end of each iteration, an SIRT algorithm is used to adjust the velocity distribution of the imaging plane, and maximum and minimum velocity value constraints and fuzzy constraints based on grid cell groups are used to limit the velocity of each grid cell and iteration is performed until the final velocity distribution matches the measured data; by means of comparing the velocity value of the grid cell at that time with a reference value of a healthy tree under test, abnormal grid cells are identified, after which a second smoothing is performed on the grid cell imaging so as to obtain the location of a defect inside the tree; it is possible to accurately detect tree defect areas and there are few false detection areas, and imaging performance is good.
Patent WO-2020087909-A1 (WO)
Inventor: YIN ZHANGQIN
IPC: G06T7/73
Filed: 2019-05-16
Abstract: Disclosed is a photovoltaic cell string positioning method based on multiple cameras. A corner image of a photovoltaic cell string is acquired by means of a corner position camera, and a long-edge image of the photovoltaic cell string is acquired by means of a long-edge position camera. A robot reference coordinate system r and a corner position camera reference coordinate system are established. A photovoltaic cell string standard composition position c 3 (X 3 , Y 3 , a 3 ) and a photovoltaic cell string position c 4 (X 4 , Y 4 , a 4 ) acquired by means of the long-edge position camera are calculated, and a difference (Dx, Dy, Da) between the photovoltaic cell string position and the photovoltaic cell string standard composition position is then calculated. Data is finally transmitted to a composition robot by means of communication through the Ethernet, and the robot adds [Dx, Dy, Da] on the basis of a point position r6 and is operated. According to the present invention, by means of methods such as positioning local features through fitting, weight calculation and deduction calculation, the precision is improved, while enabling the on-site photovoltaic positioning precision to be within 0.1 mm, and improving the working efficiency.
Patent WO-2020232651-A1 (WO)
Inventor: LIU LINXING
IPC: B62B7/08
Filed: 2019-05-22
Abstract: L'invention concerne un ensemble siège de landau, comprenant une planche de siège (1) et un dossier (2), deux côtés de la partie inférieure du dossier (2) étant pourvus d'un siège de liaison de dossier (3), le siège de liaison de dossier (3) étant divisé en une chambre supérieure (301) et une chambre inférieure (302), un panneau correspondant à la chambre supérieure (301) étant pourvu d'un bouton de pression de détachement d'ensemble siège (5), la chambre supérieure (301) étant intérieurement pourvue d'un arbre de broche, une poulie (8) étant emmanchée sur l'arbre de broche (7) ; la chambre inférieure (302) est pourvue intérieurement d'un disque rotatif (10) et d'un disque fixe (11), le disque fixe (11) étant relié à demeure au siège de liaison de dossier (3), un côté du disque rotatif (10) étant relié rotatif à une surface oblique rotative du disque fixe (11), le bouton de pression de détachement d'ensemble siège (5) étant relié à une ligne de liaison (15), la ligne de liaison (15) étant enroulée sur la poulie (8) et reliée au disque rotatif (10) ; le disque rotatif (10) étant relié axialement à un bloc de traction (16), le bloc de traction (16) étant pourvu d'une broche de détachement rapide d'ensemble siège (17), le bloc de traction (16) pénétrant successivement à travers le disque fixe (11) et un siège de liaison de cadre (9), la broche de détachement rapide d'ensemble siège (17) pénétrant à travers une fenêtre d'une plaque de protection (14) ; des mécanismes de détachement d'ensemble siège étant agencés sur deux côtés du dossier, un utilisateur pouvant facilement aligner une boîte d'assemblage sur le cadre, et un point d'appui de force se trouvant presque dans une ligne de gravité de l'ensemble siège, il est également facile à actionner car le point d'appui de force est proche du centre de gravité pendant le détachement.
Patent WO-2019233451-A1 (WO)
Inventor: CHEN QI
IPC: C12Q1/68
Filed: 2019-06-05
Abstract: 本发明公开一种DNA甲基化检测探针，包括5'端和3'端的用于与甲基化DNA互补配对的序列，其中，检测探针3'端的最后三个碱基均为鸟嘌呤，所述鸟嘌呤与甲基化DNA中部的甲基化胞嘧啶配对，且检测探针3'端的序列与甲基化DNA的自中部所述甲基化胞嘧啶至3'端的序列反向互补配对，检测探针5'端的序列与甲基化DNA的自中部所述甲基化胞嘧啶的临近脱氧核苷酸至5'端的序列反向互补配对。本DNA甲基化检测探针能够提高DNA甲基化检测的灵敏度。
Patent WO-2019242525-A1 (WO)
Title: 数据传输方法、相关装置及系统
Inventor: YU YOUYANG
IPC: H04L12/46
Filed: 2019-06-11
Abstract: 本申请公开了一种数据传输方法、相关装置及系统，该方法可包括：用户面网元接收来自终端设备或数据网络的用户面数据；用户面网元使用VxLAN封装信息对该用户面数据进行VxLAN封装或VxLAN解封装。实施本申请，可在无线通信系统中结合使用VxLAN技术，基于传统的3层网络传输2层数据，简化了数据传输过程，可为用户提供更多的业务。
Patent WO-2020191935-A1 (WO)
Inventor: ZHANG XIAOGANG
IPC: H04L29/08
Filed: 2019-06-28
Abstract: A method, a system, and an apparatus for blockchain cross-chain communication, and a computer readable storage medium. In the present application, each of a plurality of blockchain partitions is preset with a partition algorithm able to distinguish blockchain partitions affiliated with an initiating user and a target user of a trade to be processed, and thereby, the trade to be processed is caused to always be able to be transferred to the blockchain partition of the initiating user for performance of subsequent processing. When the blockchain partition of the initiating user determines that the present trade to be processed is a cross-chain trade, then before adding the trade to the blockchain, the partition will further store a hash value of the trade to be processed in header information of a next block, and after adding the trade to the chain, the partition sends the header information containing the trade to be processed and containing the corresponding hash value to the blockchain partition of the target user, so as to cause the blockchain partition of the target user to authenticate the validity of the data of the trade to be processed on the basis of said information, and then also add the trade to its own chain.
Patent WO-2020011058-A1 (WO)
Title: Polycarbonate composition and preparation method therefor and application thereof
Inventor: LI MINGKUN
IPC: C08L69/00
Filed: 2019-07-02
Abstract: Disclosed by the present invention is a polycarbonate composition, comprising the following components according to parts by weight: a, polycarbonate 0.5-98.5 parts; b, a sulfonate flame retardant 0.15-0.95 parts; c, a synergistic flame retardant 0.03-0.72 parts; d, siloxane 0.04-1.1 parts; e, an anti-dripping agent 0.02-1 parts. In the present invention, a specific content and specific type of anti-dripping agent, and a specific content of polycarbonate, sulfonate flame retardant, synergistic flame retardant and siloxane are selected to be added into a polycarbonate composition formulation, and thus a good flame retardant and drip resistance effect may be attained at a lower combustion melt viscosity, while the polycarbonate composition still has good flame retardancy and thermal stability, as well as molding appearance, in case of a flame retardant film having a thickness of 0.40 mm.
Patent WO-2020007325-A1 (WO)
Title: Cas9 variants and application thereof
Inventor: XIE ZHEN
IPC: C12N15/63
Filed: 2019-07-03
Abstract: Provided is a Cas9 variant, comprising: a first backbone region, having at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%or 100%sequence identity to the first backbone region of a wild-type cas9; a protospacer adjacent motif (PAM) interaction region, being a 13-amino acid sequence deriving from the PAM interaction region of an ortholog of the wild-type Cas9, and having at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%or 100%sequence identity to the PAM interaction region of the ortholog of the wild-type Cas9; and a second backbone region, having at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%or 100%sequence identity to the second backbone region of the wild-type cas9; wherein an N-terminus of the PAM interaction region is connected to a C-terminus of the first backbone region, and a C-terminus of the PAM interaction region is connected to an N-terminus of the second backbone region, and wherein the Cas9 variant has recognition capability at a PAM sequence selected from the group consisting of NNVRRN, NNVACT, NNVATG, NNVATT, NNVGCT, NNVGTG and NNVGTT PAM sequences, wherein N is adenine (A), thymine (T), cytosine (C) or guanine (G); R is adenine (A) or guanine (G); and V is adenine (A), cytosine (C) or guanine (G).
Patent WO-2020082847-A1 (WO)
Inventor: HUANG XIAO
IPC: B01D35/30
Filed: 2019-08-02
Abstract: 一种壳体及具有其的净水机。壳体包括壳体主体（11）和电气安装座（12），壳体主体（11）上设置有电气容纳腔体（111）；电气安装座（12）安装在壳体主体（11）上，并位于电气容纳腔体（111）内，电气安装座（12）包括背离壳体主体（11）的第一侧面和面向壳体主体（11）的第二侧面，壳体主体（11）的第一侧面用以安装显示板组件（13），壳体主体（11）的第二侧面用以安装电路板组件（14）。
Patent WO-2020088043-A1 (WO)
Inventor: YANG XIN
IPC: H04N5/225
Filed: 2019-08-19
Abstract: 一种图像获取方法、图像获取装置(400)、结构光组件(20)和电子装置(1000)。图像获取方法包括：控制结构光摄像头(22)接收出射时经显示屏(10)的显示区(11)衍射并被目标物体反射后入射时再经所述显示区(11)衍射的结构光以得到散斑图像；滤除第二测量斑点及第三测量斑点以得到第一测量斑点；根据第一测量斑点与参考图像中的参考斑点获取深度图像。
Patent WO-2020038401-A1 (WO)
Title: Network reselection method and apparatus
Inventor: SHEN LI
IPC: H04W36/00
Filed: 2019-08-21
Abstract: The present application relates to the technical field of communications. Provided in the embodiment of the present application are a network reselection method and apparatus. The method comprises: acquiring a first geographic position at which UE is currently located, determining, according to a corresponding relationship between the geographic position and network information of a communication network, at least one second geographic position which satisfies a preset proximity condition to the first geographic position, and determining network information of at least one second communication network corresponding to each of the second geographic positions, and performing a network reselection process at least according to the network information of the at least one second communication network corresponding to each of the second geographic positions. The present application can increase the efficiency of network reselection.
Patent WO-2020038428-A1 (WO)
Title: Catalyst used for producing methyl glycolate and preparation method and application thereof
Inventor: LUO NIANJUN
IPC: B01J21/06
Filed: 2019-08-22
Abstract: A catalyst used for producing methyl glycolate by using dimethyl oxalate plus hydrogen and a preparation method and an application thereof. The catalyst comprises the following components in percentage by weight: 65-90% of silicon dioxide, 5-20% of silver elements, 0.1-5% of nickel elements, 0.01-5% of lanthanum elements, and 0.01-5% of metal element M, wherein the metal element M is selected from one of titanium, cerium, cobalt, or zirconium, and the elements exist in the form of being bound with oxygen. Compared with the prior art, the preparation method has the characteristics such as simple process and easy control of the preparation process; and the hydrogenation catalyst prepared by the method has the characteristics such as high activity, long life, and wide range of reaction operation conditions.
Patent WO-2020043115-A1 (WO)
Title: 融合触觉传感和光断层扫描成像的检测装置与检测方法
Inventor: WANG WEIPING
IPC: A61B5/00
Filed: 2019-08-28
Abstract: 一种融合触觉传感和光断层扫描成像的检测装置与检测方法，包括手持探头（1），一个对手持探头（1）进行信号控制、数据采集并与计算机（3）通讯的控制器（2），和一个对控制器信息进行数据分析、图像重建和显示的计算机（3）；手持探头（1）包括探头前盖（4），依此设置的触觉传感器（5）、探头基座（6）、光电传感器模块（7）夹持在与探头前盖（4）相配合的第一探头侧盖（8）、第二探头侧盖（9）之间；第一探头侧盖（8）、第二探头侧盖（9）之间穿置与光电传感器模块（7）连接的光纤（10）。检测装置检查生物组织内的肿瘤，同时检测组织的物理变化（即局部硬度）和组织的功能变化（即供血分布），融合触觉图像和光学图像，以提高对乳腺肿瘤的检测和病症判断。
Patent WO-2020043153-A1 (WO)
Inventor: LI ZHIQIANG
IPC: H01M4/58
Filed: 2019-08-29
Abstract: Disclosed is a secondary lithium ion battery, comprising a positive electrode plate, a negative electrode plate, a separator and an electrolyte solution, wherein the positive electrode plate comprises a positive electrode current collector and a positive electrode film sheet arranged on at least one surface of the positive electrode current collector, and a first positive electrode active substance represented by the formula Li  1+x Ni  a Co  b Me  1-a-b O  2-y A  y  and a second positive electrode active substance represented by the formula Li  1+z Mn  c N  2-c O  4- 
 d B  d  are contained in the positive electrode film sheet; the resistivity r of the positive electrode plate is less than or equal to 3500 Ω·m; and a fluorine-containing lithium salt type additive is contained in the electrolyte solution. The secondary lithium ion battery provided in the present application can have all of a high safety performance, a high temperature storage performance and a cyclic performance.