5results about How to "Reduce vacancy" patented technology

This application provides a charging service reservation and scheduling method and related equipment based on a three-dimensional dynamic weighted scoring system, belonging to the field of new energy vehicle charging scheduling and energy management technology. The application includes: calculating a three-dimensional index score; the three-dimensional index score includes a user credit score, a demand urgency score, and an economic value score; dynamically configuring weights based on the charging station's operational status data to obtain three-dimensional weight information; the three-dimensional weight information includes user credit weight, demand urgency weight, and economic value weight; weighting and fusing the three-dimensional index scores based on the three-dimensional weight information to obtain a three-dimensional dynamic weighted score; sorting the three-dimensional dynamic weighted scores of all charging request users, and executing charging resource scheduling decisions based on the sorting results. This application can pre-process complex calculations into a parallel scoring system, simplifying the final decision into an efficient weighted summation and sorting, reducing charging pile vacancy and improving resource utilization efficiency.

This application provides a cathode material precursor and its preparation method, a cathode material, and a lithium-ion battery, relating to the field of new energy technology. The cathode material precursor is a secondary particle composed of primary particles, forming a composite structure. It includes an inner layer arranged radially along the center of the cathode material precursor and an outer layer composed of sheet-like primary particles stacked flat and enclosing the inner layer. The outer layer's sheets are perpendicular to the pressure direction during compaction, resulting in a secondary particle mechanical strength higher than that of common radial or block-shaped secondary particles. After inheriting this structure, the cathode material can achieve a higher compaction density than common secondary particle products, significantly improving the material's energy density. The secondary particles in this application have different sheet orientations between their inner and outer layers. The sintered cathode material inherits this characteristic structure, resulting in different expansion and contraction directions during charge-discharge cycles. This avoids or reduces the formation of cracks that could cause particle structure collapse, thereby improving cycle performance.

The application relates to the technical field of perovskite materials, and discloses a kind of high-efficiency doped perovskite photoelectric conversion materials and preparation method thereof.The preparation raw materials of the perovskite photoelectric conversion material of the application include modified dopant, perovskite precursor solution and anti-solvent;The modified dopant of the application can inhibit the oxidation of Sn 2+ , reduce Sn vacancies and defects by introducing quinoline, thiocyanate and thiourea structure;During the preparation of the perovskite photoelectric conversion material, the introduction of modified dopant can realize efficient and uniform bulk doping, significantly improve the photoelectric conversion efficiency and long-term operation stability of the material, prevent the device from appearing efficiency decay, ion migration and phase separation and other problems under continuous work, and has broad application prospect.

This utility model belongs to the field of household appliance technology and relates to the structure of a built-in storage box in a frost-free refrigerator. It includes a main body of the built-in storage box, with a built-in handle installed on the end face of the main body. An adjustment component is located in the middle of the main body, and a partition plate is connected to the middle of the main body via the adjustment component. An auxiliary support component is located at the bottom of the partition plate. This utility model allows the partition plate to be moved by rotating the adjustment head, thus flexibly adjusting its position. This allows for free adjustment of the partition layout according to the size, quantity, or preservation needs of the food, significantly improving space utilization and reducing the risk of localized crowding or empty spaces inside the main body due to a fixed partition plate. It provides a more precise storage environment for different foods and enhances the convenience for users to dynamically optimize the internal structure of the refrigerator according to their daily habits.

The invention relates to a trans-solar cell module based on a 1-allyl-3-methylimidazolium hexafluorophosphate perovskite additive and a preparation method of the trans-solar cell module, and relates to the field of solar cells. The perovskite solar module structure sequentially comprises transparent conductive glass, a hole transport layer, a perovskite layer, an electron transport layer and a back electrode layer from bottom to top. An additive with a certain concentration is added into the perovskite layer, the additive is 1-allyl-3-methylimidazolium hexafluorophosphate, and the concentration of the additive is 0.2 mg / ml to 2.0 mg / ml. The crystallization process of the large-area perovskite thin film is optimized through the 1-allyl-3-methylimidazolium hexafluorophosphate additive, the defect concentration of the thin film is reduced, and the performance of the perovskite photovoltaic module is improved.