Tencent Technology (Shenzhen) Company Limited

Btr New Material Group Co., Ltd.

Other

Shenzhen Danya Technology Co., Ltd.

Wuhan China Star Optoelectronics Technology Co., Ltd.

Byd Company Limited

Avary Holding (Shenzhen) Co., Limited.

Hongqisheng Precision Electronics (Qinhuangdao) Co., Ltd.

Shenzhen Tcl New Technology Co., Ltd.

Shenzhen Zhiyou Battery Integration Technology Co., Ltd

Shenzhen Btr New Energy Materials Inc.

Dongguan Zhaohua Display Technology Co.

Tencent Technology Company Limited

Peng He

Chuan Chen

Yuhuang Li

Weihua Chen

Yuewen Liu

Junming Mai

Lingling Yi

Jianguo Ren

Yong Hu

Min Yue

Xueqin He

Jing Nie

Zhenqing Lin

Eming Guo

Yun Chen

Fei Ai

Youyuan Huang

Yuan Yan

Hongtao Wang

Lisheng Li

Xiaoping Lei

Ran Li

Xianhua Liu

Jianxing Yu

Yue Fang

Jianbo Wu

Tashan Ji

Xin Hui Zhang

Guanghui Liu

Shugang Gong

Peng Lu

Biao Li

Lei Peng

Yong Xu

Sheng Li

Zhiqiang Zhang

Liwei Qiu

Mei-Hua Huang

Xingyin Wu

Wei-Xiang Li

Yu An Liang

Haihui Zhou

Hang Dong

Xiao-Wei Kang

Chuan Shi

Dong Wen

Tao Wen

Meng-Lu Jia

Zhiling Guo

Huanhuan Liang

Hongping Yu

Zhiyuan Situ

Zhilong Ouyang

Fanguo Kong

Wenyao Gao

Chengmao Xiao

Daofu Zhang

A core-shell composite negative electrode material is made according to a preparation method and includes an application thereof. The composite negative electrode material includes: a core formed by a first active substance and a second active substance, and a carbon-coated shell serving as a third active substance. The first active substance is a sheet-like silicon-based material, the second active substance is a sheet-like graphite material, and the third substance is the carbon-coated shell. The composite material is applied to the negative electrode of a lithium ion battery, and has high specific capacity, wherein the capacity is greater than 400 mAh/g, and excellent cycle life.

Core-shell composite negative electrode material, preparation method therefor and use thereof

Anode material, preparation method thereof, and battery. Anode material includes graphite and carbon layer located on at least part of surface of graphite. Particle surface and particle section of anode material are respectively tested by Raman spectroscopy, peak area ratio of D characteristic peak within range of 1300 cmto 1350 cmto G characteristic peak within range of 1500 cmto 1580 cmis I/I, ratio of I/Imeasured on the particle surface is A, and ratio of I/Imeasured on particle section is B, and 1.22<A-B≤2.10. Particle surface of anode material is tested by adopting atomic force microscopy, 1 μm×1 μm test region is randomly selected on particle surface of anode material, arithmetic average value of height deviation absolute values relative to reference surface in test region is S nm, where 15 nm≤S≤60 nm. Anode material improves lithium-ion transport kinetics, initial Coulombic efficiency, and cycle performance.

Anode material, preparation method thereof and battery

Table

The present disclosure relates to a porous nano-silicon-based composite material, an anode and a lithium ion battery and a preparation method thereof. The silicon-based composite material comprises nano active particles and graphite, and the nano active particles comprise porous nano-silicon; The graphite has a pore structure in which the nano active particles are embedded, and/or the graphite has a layered structure in which the nano active particles are embedded; Compared with the traditional carbon-coated silicon anode material, the silicon-based anode material prepared by the present disclosure has the advantage of lower expansion rate and thus improves cycle performance.

Silicon-based composite material, lithium ion battery, and preparation method thereof

Disclosed is a composite silicon negative electrode material. The composite silicon negative electrode material comprises a nano silicon (), a nano composite layer () coated on the surface of the nano silicon, and a conductive carbon layer () uniformly coated outside the nano composite layer (). The nano composite layer () is a silicon oxide () and a metal alloy (). In the composite silicon negative electrode material with a three-layer structure, the nano composite layer (), composed of the silicon oxide () and the metal alloy () coated on the surface of the silicon oxide (), effectively reduces the volume expansion of the nano silicon (), maintains the characteristic of high conductivity of the silicon material, improves the mobility of lithium ions, prevents direct contact between a silicon negative electrode and an electrolyte, and can form a hard SEI film on the surface of the composite silicon negative electrode material, thereby allowing the cycle performance of the material to be greatly enhanced. The composite silicon negative electrode material has the characteristics of a high capacity, long cycle life and high conductivity. A preparation process for the silicon negative electrode material is simple, easily controllable, and suitable for industrial production.

Composite silicon negative electrode material, preparation method and use

A carbon matrix composite material, a preparation method therefor and a battery comprising the same. The carbon matrix composite material comprises micron-sized soft carbon, micron-sized hard carbon, a nano-active material, a first carbon coating layer and a second carbon coating layer, wherein the first carbon coating layer is coated on a surface of the nano-active material to form composite particles; the composite particles are dispersed on the surfaces of the soft carbon and the hard carbon, and in the second carbon coating layer; and the second carbon coating layer coats soft carbon, the hard carbon and the composite particles.

Carbon matrix composite material, preparation method therefor and lithium ion battery comprising same

The invention provides a signal redundancy control system. The system includes multiple first signal collecting devices, second signal collecting devices and a controller, wherein the multiple first signal collecting devices are configured to collect the dynamic information of default devices where the first signal collecting devices are located in real time; one second signal collecting device corresponding to each of the first signal collecting devices is disposed on each default device, and is configured to collect the dynamic information of the default device where the second signal collecting device is located in real time; the controller is configured to determine whether the first signal collecting devices include fault information or not, and positions each default device according to the dynamic information acquired by the first signal collecting devices or the second signal collecting devices.

Signal redundancy control system and method used for turnout system and computer readable storage medium

According to an embodiment, a candidate node having a potential association relationship with a target node, an association node having an association relationship with the target node, and a grouping identifier of the association node are obtained. A relevance degree between the association node and the target node and a relevance degree between the candidate node and the target node within each grouping identifier are obtained. Based on the relevance degrees, the association node and the candidate node in each grouping identifier are combined for outputting.

Method, apparatus, and computer-readable storage medium for grouping social network nodes

The present disclosure discloses an interlocking protection device for turnout switching. The interlocking protection device for turnout switching comprises a receiving module, a confirmation module, a processing module, and a centralized control interlocking module, wherein the receiving module is configured to receive a turnout switching instruction; the confirmation module is configured to receive a confirmation instruction; the processing module is configured to determine a target turnout position according to the turnout switching instruction and output a driving confirmation signal according to the confirmation instruction; and the centralized control interlocking module comprises a confirmation unit and a position switch unit. Under a centralized control mode, the confirmation unit carries out separate turnout locking according to the target turnout position and carries out locking confirmation according to the driving confirmation signal. After locking confirmation, the position switch unit closes target turnout position switches and opens the other turnout position switches.

Interlocking protection device for turnout switching and turnout system

The present disclosure relates to a method, device, storage medium, and system for sharing a nail printing pattern. The method may include receiving the nail printing pattern and price information of the nail printing pattern uploaded by a first account via a first user terminal or a first nail printing device; verifying the nail printing pattern and the price information of the nail printing pattern based on a preset rule; and if the nail printing pattern qualifies for the preset rule, storing qualified nail printing pattern to a server.

Method, device, storage medium, and system for sharing a nail printing pattern

A thin film transistor (TFT) array substrate is provided. The TFT array substrate includes a display device plate and a semiconductor layer disposed on the display device plate. A thickness of the semiconductor layer is less than or equal to 35 nm.

Thin film transistor array substrate

A low temperature polysilicon layer, a thin film transistor, and a method for manufacturing same are provided. The low temperature polysilicon layer includes a substrate, at least one buffer layer, and a polysilicon layer. The polysilicon layer is disposed on the at least one buffer layer. The polysilicon layer includes a channel region, two low doped regions disposed on two sides of the channel region, and two high doped regions disposed on an outer side of the low doped regions. Thicknesses of an edge of the channel region and at least one portion of the low doped regions are less than a thickness of another position of the polysilicon layer.

Low temperature polysilicon layer, thin film transistor, and method for manufacturing same

The present disclosure may relate to a printing method, system of a nail printing apparatus, the nail printing apparatus and a medium thereof. The nail printing apparatus may include a touch screen. The touch screen may display a first interface. The first interface may include a third region and a second region. The third region may include a plurality of second patterns. The printing method may include displaying a user's nail model in the second region. The printing method may include displaying a first pattern in the second region. The user's nail model may overlap at least a portion of the first pattern. The at least a portion of the first pattern overlapping the user's nail model may be used as a printing pattern. The printing method may include printing the printing pattern based on a printing instruction. The present disclosure may reduce the pattern to be printed, save ink, prolong a usage time of the ink cartridge, and help reduce costs. The present disclosure may reduce two processes of coating anti-overflow glue before printing and cleaning the anti-overflow glue after printing, thereby improving the nail printing efficiency.

Printing method and system of a nail printing apparatus, and a medium thereof

A method, system and computer-readable storage medium for grouping users of an online social network application are provided. The method includes: acquiring friend relation data of a first user, the friend relation data comprising one or more friend nodes; determining a weight of each of the friend nodes based on the friend relation data acquired; forming a first friend circle with a first friend node having a greatest weight among the friend nodes; traversing the friend nodes to find an optimum friend of the first friend circle; adding the optimum friend into the first friend circle; and repeating the traversing and adding until all optimum friends of the first friend circle are added into the first friend circle. The method determines the weight of each friend node based on the friend relation data and performs grouping by the weights, which is able to conduct as mart grouping with high speed, low throughput, and high efficiency.

Social network grouping method and system, and computer storage medium

A manufacturing method of an array substrate and the array substrate are provided. The method comprises: forming an active layer on a substrate; forming an insulation layer on the active layer; forming a first metal layer on the insulation layer; forming an interlayer dielectric layer and a pixel electrode layer on the first metal layer by a same mask; forming a second metal layer on the interlayer dielectric layer, wherein the second metal layer comprises a source electrode, a drain electrode, and a touch signal line; and forming a patterned protective layer and a patterned common electrode layer on the second metal layer.

Manufacturing method of array substrate and array substrate

Growing community of inventors

Shenzhen, China

Peng He