Abstract: Disclosed is an improved structure of an electrical connector, which includes an upper transmission conductor assembly including an upper grounding terminal assembly and an upper power terminal assembly; and a lower transmission conductor assembly including a lower grounding terminal assembly and a lower power terminal assembly, each of which defines soldering sections, extension sections, and contact sections. The soldering sections have a width between 0.35 mm and 0.45 mm and a thickness between 0.1 mm and 0.2 mm. The extension sections have a width between 0.35 mm and 0.45 mm and a thickness between 0.1 mm and 0.2 mm. The contact sections have a width between 0.285 mm and 0.295 mm and a thickness between 0.1 mm and 0.2 mm. As such, a need for supply of a large electrical current can be satisfied and noise interference can be prevented.

Abstract: Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.

Abstract: Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.

Abstract: Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.

Abstract: A pressure sensor has a housing, an air lead-in hole, a pressure lead-in hole, an inner cavity, a sensor chip, a lead frame and a cover plate. One end of the air lead-in hole is in communication with the inner cavity of the housing, and the other end of the air lead-in hole is in communication with the air; the pressure lead-in hole is perpendicularly disposed at the center of the upper surface of the housing, two steps are disposed on the upper surface of the inner cavity, and a horizontal surface-mounted device surface is disposed on each of the steps. The center of the sensor chip is aligned with the centers of the pressure lead-in hole, and the lower end of the pressure lead-in holes are in communication with the cavity of the sensor chip.

Abstract: The connector includes a circuit board having a number of electronic components, a transmission assembly joined to the circuit board to a side of the electronic components, a first shielding member on the circuit board shielding the transmission assembly, a second shielding member on the circuit board shielding the electronic components, and a cover on and shielding the first and second shielding members. The connector can be produced to meet different needs by using a common first shielding member joined to a second shielding member adapted to a specific requirement such as dimension, shape, etc., thereby reducing the production and stock costs. The transmission assembly and the electronic components are shielded by the first and second shielding members, respectively, which are further shielded by the cover so as to prevent RF signal leakage and to achieve superior transmission quality.

Abstract: An electric connector structure, being a female connector, includes: a metal shell, including a upper surface defined on an inner side of thereof, two side surfaces extended from two respective end edges of the upper surface opposite to each other, and a lower surface extended from one side of each side surface far away from the upper surface; a plurality of first protrusions, respectively formed on the upper surface and lower surface; and a plurality of second protrusions, respectively formed on the two side surfaces and staggered with the first protrusions. Therefore, when a male connector is inserted in the female connector, the first and second protrusions are in contact with the outer wall of the male connector, thereby increasing insertion stability and generate multi-step noise blockage.

Abstract: A battery protection chip may comprise: a first end, configured to output a strong pull up signal when a voltage of at least one battery in a battery pack protected does not reach a balance threshold, and to output a weak pull down signal when voltages of all batteries in the battery pack protected reach the balance threshold; and a second end, configured to output a strong pull down signal when a voltage of at least one battery in a battery pack protected does not reach a balance threshold, and to output a weak pull up signal when voltages of all batteries in the battery pack protected reach the balance threshold.

Abstract: A lithium-air battery cathode catalyst includes core-shell nanoparticles on a carbon support, wherein: a core of the core-shell nanoparticles is platinum metal; and a shell of the core-shell nanoparticles is copper metal; wherein: the core-shell nanoparticles have a weight ratio of the copper metal to the platinum metal from about 4% to about 6% copper to from about 2% to about 12% platinum, with a remaining percentage being the carbon support.

Abstract: A protective device and a protective system for a battery assembly are provided. The battery assembly comprises N cells, and the protective device includes: a constant current source module comprising M (1<M?N) first constant current sources connected in parallel with M cells in the N cells respectively, and configured to generate an output current according to a voltage of the connected cell; a voltage sampling module including N voltage sampling units connected in parallel with the N cells respectively and configured to output a sampling voltage; a determining module connected with the voltage sampling module and configured to generate a first disconnection signal when the sampling voltage output from any voltage sampling unit reaches a predetermined value; and a protective control module, connected with the determining module and configured to control the battery assembly to turn off according to the first disconnection signal.

Abstract: An ultrasonic imaging microwave therapeutic apparatus includes a microwave radiation probe, a microwave generating unit, a laser generating unit, a color Doppler ultrasound imaging unit, and a microcomputer control unit. The microcomputer control unit outputs the microwave power control signal to control and adjust the power of the microwave generating unit. The microcomputer control unit outputs the laser control signal to control the switch-on/off of the laser generating unit. The advantages of using the therapeutic apparatus to treat the lower extremity varicose vein disease are as follows. The closure of the varicose vessel is accurate, firm, and thorough. The effect is definite. The traumas for patients are small. The pain of patients is light. The intraoperative bleeding is less. The recovery of patients is rapid. It is difficult to form deep vein thrombosis, can accurately treat the diseased blood vessel and simultaneously instantly verify the effect of the surgery.

Abstract: An image acquisition device based on photo-thermal imaging, including a support beam, a translational electric motor, an imaging probe, and a light emitter. The translational electric motor is fixed to the lower side of the beam, and the imaging probe is perpendicularly fixed to a moving block in the translational electric motor. The light emitter is connected to the moving block via an adjustable connection piece, and by adjusting the adjustable connection piece, light emitted by the light emitter enters the imaging probe after being reflected by a sample. The moving block in the translational electric motor is configured to move the light emitter and the imaging probe in the radial direction right above the sample. The light emitter is configured to emit light on the upper surface of the sample. The imaging probe is configured to image reflected light from the upper surface of the sample.

Abstract: A battery protection chip may comprise: a first end, configured to output a strong pull up signal when a voltage of at least one battery in a battery pack protected does not reach a balance threshold, and to output a weak pull down signal when voltages of all batteries in the battery pack protected reach the balance threshold; and a second end, configured to output a strong pull down signal when a voltage of at least one battery in a battery pack protected does not reach a balance threshold, and to output a weak pull up signal when voltages of all batteries in the battery pack protected reach the balance threshold.

Abstract: The method for treating the lower extremity varicose vein combined ultrasonic wave and microwave of the present invention includes steps of firstly finding the diseased vein by the ultrasonic imaging equipment; and then directly effecting the microwave treatment catheter/needle on the diseased vein; by the concentric thermal coagulation release effect of the microwave to the tissue, instantly generating high temperature with the certain penetration range in a small range for tissue coagulation; and then gradually making the vascular fibrosis; finally making the completely atresia, thus achieving the therapeutic aim.

Abstract: A electrophoresis device having glass gel cell fast assemble structure is provided, including a main body, a pair of electrode connection terminals attached to the main body, and side clamping parts pivotally connected to the main body on respective side of the main body for maintaining at least one glass gel cell to a surface of the main body. At least one sealing and positioning structure is provided on a surface of the main body including a U-shaped sealing strip partially inlayed on at least one surface of the main body, and at least a pair of positioning poles perpendicularly attached to the main body, wherein the U-shaped sealing strip having a U-shaped body to form a seal between the main body and the gel cell, and positioning protrusions formed on the respective free end of the U-shaped body.

Abstract: A electrophoresis device having glass gel cell fast assemble structure is provided, including a main body, a pair of electrode connection terminals attached to the main body, and side clamping parts pivotally connected to the main body on respective side of the main body for maintaining at least one glass gel cell to a surface of the main body. At least one sealing and positioning structure is provided on a surface of the main body including a U-shaped sealing strip partially inlayed on at least one surface of the main body, and at least a pair of positioning poles perpendicularly attached to the main body, wherein the U-shaped sealing strip having a U-shaped body to form a seal between the main body and the gel cell, and positioning protrusions formed on the respective free end of the U-shaped body.

Abstract: A polymetallic nanoparticle alloy having enhanced catalytic properties including at least one noble metal and at least one base metal, where the noble metal is preferentially dispersed near the surface of the nanoparticle and the base metal modifies the electronic properties of the surface disposed noble metal. The polymetallic nanoparticles having application as a catalyst when dispersed on a carbon substrate and in particular applications in a fuel cell. In various embodiments a bimetallic noble metal-base metal nanoparticle alloy may be used as an electrocatalyst offering enhanced ORR activity compared to the monometallic electrocatalyst of noble metal.

Abstract: In general, the present invention relates to the production of ultrapure phosphorus. In particular, the present invention relates to the method for the production of ultrapure phosphorus by zone melting in a Non-flammable environment and the equipments used in such method. The process of the present invention is clean, chemical free, fast, and energy efficient.

Abstract: A fuel cell of the present invention comprises a cathode and an anode, one or both of the anode and the cathode including a catalyst comprising a bundle of longitudinally aligned graphitic carbon nanotubes including a catalytically active transition metal incorporated longitudinally and atomically distributed throughout the graphitic carbon walls of said nanotubes. The nanotubes also include nitrogen atoms and/or ions chemically bonded to the graphitic carbon and to the transition metal. Preferably, the transition metal comprises at least one metal selected from the group consisting of Fe, Co, Ni, Mn, and Cr.

Abstract: A fuel cell of the present invention comprises a cathode and an anode, one or both of the anode and the cathode including a catalyst comprising a bundle of longitudinally aligned graphitic carbon nanotubes including a catalytically active transition metal incorporated longitudinally and atomically distributed throughout the graphitic carbon walls of said nanotubes. The nanotubes also include nitrogen atoms and/or ions chemically bonded to the graphitic carbon and to the transition metal. Preferably, the transition metal comprises at least one metal selected from the group consisting of Fe, Co, Ni, Mn, and Cr.