Abstract: A blockchain-based electricity trading method and system are disclosed. Based on the initial trading plan of the user in the virtual power plant, a non-cooperative game model among multiple users and the virtual power plant is constructed, a purchase price, a sale price and a demand response compensation price of a trading between the user and the virtual power plant during t period are determined; according to the above results, a final load demand of user i, a charging capacity or discharging capacity of the energy storage device of user i, as well as a purchase electricity quantity or sale electricity quantity of a trading with the virtual power plant during t period are determined, and a final trading scheme is formed; and based on the final trading scheme, both trading parties are matched, a trading contract is generated and a verification is performed.

Abstract: An electrochemical device includes a housing including a body portion and a first portion, an electrode assembly, and a tab. In a second direction, the body portion includes a first wall and a second wall disposed opposite to each other. In a third direction, the body portion includes a first sidewall and a second sidewall disposed opposite to each other. The first portion includes a first seal edge and a second seal edge. The first seal edge is connected to the first sidewall and the second wall. The second seal edge is connected to the first seal edge. The second seal edge is disposed between the first seal edge and the first sidewall. The housing includes a first housing part and a second housing part disposed opposite to each other. The first housing part includes a first polymer layer. The second housing part includes a second polymer layer.

Abstract: The present application relates to a vulcanization label that can be used to label tires. The label comprises a facestock layer, a first primer layer, a second primer layer comprising a zinc oxide, and a reactive adhesive layer. The two primer layers have different compositions. The second primer layer has a coating weight that is greater than 3 gsm. At least a portion of the second primer is in contact with at least a portion of the reactive adhesive layer.

Abstract: A method for determining injection mass of electrolyte for a battery includes: determining a total volume V1 of pores in a positive electrode active material layer, a negative electrode active material layer, and a separator of the battery; determining a volume V2 of electrolyte required by the negative electrode active material layer to ensure battery cycles; determining a volume V3 of electrolyte consumed by the battery in a formation process; determining a volume V4 of electrolyte consumed by the battery in an injection process; and determining the injection mass of electrolyte for the battery: MEl=(V1+V2+V3+V4)×?El. The injection mass of electrolyte for the battery is closer to actual optimal injection mass, which improves the accuracy of the electrolyte injection process, provides better electrochemical performance of the battery, and lowers the research and development costs of the battery.

Abstract: The present application provides a separator comprising a first porous substrate, a second porous substrate and a first coating layer including a substance that reversibly intercalates and deintercalates lithium and a first inorganic particle, and an electrochemical device, wherein the first coating layer is disposed between the first porous substrate and the second porous substrate. By disposing the first coating layer between the first porous substrate and the second porous substrate, the present application improves the safety performance, rate performance and cycle performance of the electrochemical device.

Abstract: An electrochemical device includes a separator, the separator includes: a porous substrate; a first coating layer including a material that reversibly intercalates and de-intercalates of lithium; and a second coating layer including one or both of inorganic particles and a polymer, wherein the first coating layer is arranged between the porous substrate and the second coating layer, the material that reversibly intercalates and de-intercalates of lithium comprises at least one of artificial graphite, natural graphite, mesocarbon microbeads, soft carbon, hard carbon, titanium-niobium oxide, and lithium titanate, wherein the electrochemical device is wound-type. According to the application, the first coating layer is arranged on one or both surfaces of the porous substrate, and therefore the safety performance, rate performance, and cycle performance of the electrochemical device are improved.

Abstract: The disclosure discloses a high-performance liquefaction mitigation method forstone columns for protecting the existing buildings during earthquakes. Specifically, a small equipment is used to dig trenches in the soil around the existing building. Then, a spiral driller is used to drill a series of boreholes in the trenches according to the optimized borehole design. Next, two or three layers of optimized gravel material with high permeability are filled into the boreholes to work as the inverted layer. Finally, geotextile is arranged around the trench and the trench is filled with the optimized gravel. Compared with current liquefaction mitigation methods for existing buildings, the disclosure is suitable for liquefaction mitigation in large cities, and has the advantages of low disturbance to the overlaid building, simple construction process, high construction efficiency, low construction cost, long service life and the construction material could be easily obtained.

Abstract: The disclosure discloses a high-performance liquefaction mitigation method forstone columns for protecting the existing buildings during earthquakes. Specifically, a small equipment is used to dig trenches in the soil around the existing building. Then, a spiral driller is used to drill a series of boreholes in the trenches according to the optimized borehole design. Next, two or three layers of optimized gravel material with high permeability are filled into the boreholes to work as the inverted layer. Finally, geotextile is arranged around the trench and the trench is filled with the optimized gravel. Compared with current liquefaction mitigation methods for existing buildings, the disclosure is suitable for liquefaction mitigation in large cities, and has the advantages of low disturbance to the overlaid building, simple construction process, high construction efficiency, low construction cost, long service life and the construction material could be easily obtained.

Abstract: The present application relates to a vulcanization label that can be used to label tires. The label comprises a facestock layer, a first primer layer, a second primer layer comprising a zinc oxide, and a reactive adhesive layer. The two primer layers have different compositions. The second primer layer has a coating weight that is greater than 3 gsm. At least a portion of the second primer is in contact with at least a portion of the reactive adhesive layer.

Abstract: The present application provides a separator comprising a first porous substrate, a second porous substrate and a first coating layer including a substance that reversibly intercalates and deintercalates lithium and a first inorganic particle, and an electrochemical device, wherein the first coating layer is disposed between the first porous substrate and the second porous substrate. By disposing the first coating layer between the first porous substrate and the second porous substrate, the present application improves the safety performance, rate performance and cycle performance of the electrochemical device.

Abstract: ESD labels with a polyester-amino topcoat are provided. The labels may also include a polyester-amino resin in a primer layer. The topcoat and primer layer may comprise conductive particles, and the percentage of conductive particles in the adhesive layer may be reduced. The ESD labels have reduced surface resistance in the topcoat, primer layer, and adhesive layer, while also having reduced peel-off voltage.

Abstract: The application provides a separator and an electrochemical device. The separator includes: a porous substrate; a first coating layer including a material that reversibly intercalation and deintercalation of lithium; and a second coating layer including one or both of inorganic particles and a polymer, wherein the first coating layer is arranged between the porous substrate and the second coating layer. According to the application, the first coating layer is arranged on one or both surfaces of the porous substrate, and therefore the safety performance, rate performance, and cycle performance of the electrochemical device are improved.