National Institute of Clean-and-low-carbon Energy

China Energy Investment Corporation Limited

Chinese Academy of Sciences

Baidu Online Network Technology (beijing) Co., Ltd.

Apollo Intelligent Driving Technology (beijing) Co., Ltd.

Beijing Hina Battery Technology Co., Ltd.

Kun Tang

Wenbin Liang

Chang Wei

Guanghong Pan

Chunting Duan

Libin Kang

Yajun Tian

Danmiao Kang

Hong Li

Hao Yu

Yu Jiang

Yunfei Zhang

Chao Zheng

Yongshan Yan

Liquan Chen

Yongsheng Hu

Xuejie Huang

Yaxiang Lu

The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an use thereof. The amorphous carbon material has the following characteristics: (1) the true density ρ of the amorphous carbon material and the interlayer spacing dobtained by powder XRD spectrum analysis satisfy the relational formula:×ρ×d≥70; (2) the interlayer spacing d, Land Lsatisfy the following relational formula: Lλd≤0.58; and 100×(L/L)×d≤0.425; (3) the amorphous carbon material contains 0.001-2% of a silicon component and 0.001-2% of an aluminum component, based on the total mass of the amorphous carbon material. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.

Amorphous carbon material, preparation method and use thereof

The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an application thereof. The amorphous carbon material has the following characteristics: (1) a true density ρ of the amorphous carbon material and a interlayer spacing dobtained by powder X-Ray Diffraction (XRD) spectrum analysis satisfy the following relational formula: 100×ρ×d≥70; (2) the interlayer spacing d, Land Lof the amorphous carbon material obtained by powder XRD spectrum analysis satisfy the following relational formula: L×d≤0.58, and 100×(L/L)×d≤0.425 wherein ρ is denoted by the unit of g/cm, each of d, Land Lis denoted by the unit of nm. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.

Amorphous carbon material, prepared by subjecting mixture of carbonaceous material and aqueous solution to phase separation and drying, preparation method and use thereof

Embodiments of the present disclosure are a pitch-based negative electrode material for a sodium-ion battery and related methods and applications. The method comprises: placing a pitch recursor into a muffle furnace to allow the pitch precursor to experience pre-oxidation for 2 to 6 hours at a temperature ranging from 200&#xb0; C. to 350&#xb0; C., to obtain pre-oxidized pitch; placing the pre-oxidized pitch into a high-temperature carbonization furnace, and increasing the temperature to 1300&#xb0; C. to 1600&#xb0; C. at a temperature increase speed of 0.5&#xb0; C./min to 5&#xb0; C./min, and carrying out thermal treatment on the pre-oxidized pitch in an inert atmosphere for 1 to 10 hours, to allow the pre-oxidized pitch to experience carbonization reactions, oxygen in the pre-oxidized pitch being used for breaking an ordered structure of the pitch during the carbonization of the pre-oxidized pitch, so as to form a wedge-shaped voids disordered structure.

Pitch-based negative electrode material for sodium-ion battery, and preparation method therefor and applications thereof

The present disclosure provides an autonomous driving method and an apparatus. The method includes: receiving a currently collected image transmitted by a unmanned vehicle, where the currently collected image is an image collected in a target scenario; acquiring current driving data according to the currently collected image and a pre-trained autonomous driving model, where the autonomous driving model is used to indicate a relationship between an image and driving data in at least two scenarios, and the at least two scenarios include the target scenario; and sending the current driving data to the unmanned vehicle. Robustness of the unmanned driving method is improved.

Autonomous driving method and apparatus

A method and an apparatus for image processing for a vehicle are provided. The method includes: acquiring an image presenting a target object; occluding at least one area of the image to obtain at least one occluded image; inputting the at least one occluded image into a pre-trained image processing model to obtain a driving parameter corresponding to each of the at least one occluded image; determining, for each driving parameter, a difference between the driving parameter and a real driving parameter corresponding to the acquired image; and determining whether the difference between the driving parameter of the occluded image occluding at least one area where the target object is located and the real driving parameter is greater than or equal to a difference threshold, to determine a degree of association between the state of the target object and the driving parameter.

Method and apparatus for image processing for vehicle

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Beijing, China

Kun Tang