Rowlands, Stuart Michael

A plasma energization equipment is adapted for solving the problem of exhaust gas emissions within the conventional processing equipment. The equipment includes a furnace body, a heating module and a gas flow guiding device. The furnace body has an internal processing space and a gas collection channel. The heating module is arranged on the furnace body. The gas flow guiding device is arranged in the internal processing space. The gas flow guiding device has a first tube and a second tube. The first and second tubes each have a hollow internal space and are respectively provided with multiple first through holes and multiple second through holes. The first tube is sleeved over the second tube, allowing gas to flow from the internal processing space through the multiple first through-holes, the multiple second through-holes, the hollow space inside the first tube and the hollow space inside the second tube, and subsequently into the gas collection channel. Through said configuration of this invention, the equipment effectively facilitates the discharge of exhaust gas from the furnace body.

Provided in the embodiments of the present application are a battery cell, a battery, and an electric device. The battery cell comprises a housing, an electrode assembly, a first electrode terminal and a cover plate. The housing comprises a cylindrical body and a cover body, which are integrally formed, and one end of the cylindrical body away from the cover body is provided with an opening. The electrode assembly is accommodated inside the housing and comprises a first tab. The first electrode terminal is arranged on the cover body and is used for being electrically connected to the first tab. The cover plate is connected to the cylindrical body and covers the opening. By means of mounting the first electrode terminal on the cover body, the space between the position, where the cylindrical body and the cover plate are connected to each other, and the first electrode terminal can be increased, such that effect on the position, where the cylindrical body and the cover plate are connected to each other, is reduced when the battery cell is subjected to an external impact, the risk of connection failure between the cover plate and the housing is reduced, and electrolyte leakage is reduced, thereby improving the safety.

This application relates to a secondary battery, and a battery module, a battery pack, and an electric apparatus containing the same. The secondary battery includes: an electrolyte having a specific percentage of a low-viscosity solvent, a specific percentage of a high-dielectric-constant solvent, and a negative electrode having a negative electrode active material layer, and the secondary battery satisfies the relational expression: 1×10−4≤B×C×POI×CW≤1×10−3, where B is the percentage of the low-viscosity solvent in total solvent in the electrolyte by mass; C is a percentage of an electrolyte salt in the electrolyte by mass; P is a porosity of the negative electrode active material layer; CW is a coating weight of the negative electrode active material layer, measured in mg/cm²; and OI is an orientation index of the negative electrode active material layer, where OI=C004/C 110, C004 is a peak area of a 004 characteristic diffraction peak in an X-ray diffraction pattern of the negative electrode active material layer, and C110 is a peak area of a 110 characteristic diffraction peak in the X-ray diffraction pattern of the negative electrode active material layer.

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