16results about "Deferred-action cells" patented technology

A battery management system includes thermal batteries, sensors, a clock, a processor, and memory storing a data structure, and is configured to receive energy parameters and time data, calculate a rate of energy usage of the thermal batteries based on the received data, and execute battery commands to activate or disable selected thermal batteries. Energy usage data can be stored as individual data points over time, and battery commands can be received from an external computer. The system determines when to activate a second battery based on a predetermined threshold of estimated electrical energy of a first thermal battery. A battery management method includes receiving signals for voltage, current, temperature, and time duration, estimating electrical energy based on these parameters, and activating a second battery when the estimated energy falls below a predetermined threshold.

A moisture detection device 1 comprising: a battery 10 that starts power generation when wetted; and a drive unit 20 that is driven by the power generated by the battery 10 and outputs a signal or alarm sound indicating that moisture has been detected.

A thermogalvanic cell is disclosed. In an embodiment, provided is a thermogalvanic cell including a first electrode; a second electrode; and an electrolyte between the first electrode and the second electrode; wherein the first electrode and the second electrode, identically or differently, include an alloy represented by Chemical Formula 1; power output is generated by an electrochemical reaction due to a temperature difference between the first electrode and the second electrode:

The invention relates to a power unit comprising a series of droplets, a method of producing such a power unit, a method of activating such a power unit, an active power unit obtainable from the power unit, a device comprising the power unit or active power unit, a method of generating electric current using the power unit or active power unit, and method of modulating the activities of one or more cells or tissues using the power unit or active power unit.

The application provides a preparation method of a thermal battery positive electrode active material, an antimony sulfide / carbon composite material, a positive electrode sheet and a thermal battery. The thermal battery positive electrode active material comprises antimony sulfide. The application adopts antimony sulfide (Sb2S3) as the positive electrode active material, and the antimony sulfide has excellent thermal stability and better high-voltage platform stability.

The application discloses a kind of quick activation reserve batteries, including positive electrode, negative electrode and electrolyte, diaphragm is equipped between positive electrode and negative electrode, the diaphragm is equipped with polymer insulating layer and heat conducting layer on the side close to positive electrode;The polymer insulating layer meets the solid phase is converted into liquid phase after being heated to critical temperature, and the critical temperature does not exceed 200 DEG C;The heat conducting layer is attached to polymer insulating layer, and the melting point of heat conducting layer is higher than the critical temperature of polymer insulating layer, for forming a plurality of holes on polymer insulating layer after conducting sufficient heat to polymer insulating layer.The structure of the battery of the application has extremely excellent thermal conductivity and thermal stability, and is very suitable for the application scenario needing short activation time and stable output power.

This invention discloses a candied hawthorn-like highly conductive nickel-based (copper) oxide composite material, its preparation, and its application. A highly conductive linear material forms a candied hawthorn-like conductive network, uniformly interwoven on a hollow spherical nickel-based (copper) oxide matrix stacked with nanosheets. The nickel-based (copper) oxide is prepared by solvothermal reaction followed by high-temperature heat treatment, and then produced through a polyelectrolyte modification-ultrasonic-assisted stirring process. In this method, after charge modification, carriers carrying different charges and linear conductive agents automatically assemble based on charge affinity, resulting in the candied hawthorn-like highly conductive nickel-based (copper) oxide composite material. The composite material has advantages such as low cost, relatively simple process, batch stability, high conductivity, good thermal stability, and applicability to various battery systems.

A kind of hot battery stack insulation automatic detection mechanism, comprising: fastening tool, synchronous probe moving mechanism, asynchronous insulation detection probe moving mechanism, device automatic control module, data analysis module.Its maximum feature is to identify the heating layer position of hot battery stack by the change of current when synchronous probe moves synchronously on both sides of stack, then insulation probe tests the insulation between adjacent heating pieces, to realize the automatic insulation detection of hot battery stack.While realizing the automatic detection of hot battery stack, the relative position of heating layer can be further used to judge the assembly sequence of hot battery monomer battery, to realize the data inspection of hot battery assembly process.

The present invention relates to a power unit comprising series droplets, a method for producing such a power unit, a method for activating such a power unit, an activated power unit obtainable from the power unit, an apparatus comprising the power unit or the activated power unit, a method for generating an electric current using the power unit or the activated power unit, and a method for regulating the activity of one or more cells or tissues using the power unit or the activated power unit.

The present disclosure provides an electric power generation element with improved power generation efficiency. An electric power generation element according to the present disclosure includes a first electrode, a second electrode, and a solid electrolyte layer. The first electrode splits water. The solid electrolyte layer is disposed between the first electrode and the second electrode. A resistance value R of the solid electrolyte layer satisfies R<50Ω. The solid electrolyte layer conducts, for example, ions generated by the splitting of water at the first electrode toward the second electrode.

This invention provides a high-precision positioned dual-ring collaborative single-cell battery and module. The structure, from top to bottom, coaxially arranges a positive current collector, a fan-shaped ring positioning insulator, a separator-positive electrode composite sheet, a circular ring positioning insulator, a negative electrode disc, and a negative current collector. The dual-ring positioning insulator is fixed with a high-temperature resistant adhesive and uses an interference fit with both the separator-positive electrode composite sheet and the negative electrode disc to achieve radial positioning, reducing coaxiality deviation. The insulator is made of high-temperature resistant mica, with an outer diameter larger than the current collector, forming a short-circuit protection barrier. The circular ring is integrally formed with a long strip lead-out structure, supporting direct testing without welding. This invention features high-precision self-positioning, high-temperature resistance, reliable insulation, and simple assembly. It supports in-situ material replacement at high temperatures, effectively solving the problems of interlayer misalignment, high short-circuit risk, and low testing efficiency in existing batteries, significantly improving the repeatability and reliability of test data.

This invention provides a high-performance thermal battery electrolyte material and its preparation method, belonging to the field of thermal battery technology. The high-performance thermal battery electrolyte material of this invention comprises the following raw materials in the following mass fractions: 25-40% inhibitor and 60-75% molten salt electrolyte; the inhibitor comprises hollow MgO powder, nano-γ-Al2O3, and magnesium fluoride; the mass ratio of hollow MgO powder, nano-γ-Al2O3, and magnesium fluoride is 2-4:1-3:1. This invention selects hollow MgO powder, nano-γ-Al2O3 powder, and magnesium fluoride powder together as inhibitors, and combines them with a quaternary or pentagonal molten salt electrolyte to significantly improve the conductivity and stability of the electrolyte material, lower the melting point of the electrolyte material, extend its service life, and broaden the operating temperature range of the thermal battery.

The present disclosure provides a system for detecting and alerting of a fall event of a user using an article of personal protective equipment (PPE). The system includes a switching unit configured to be mechanically actuated from an inactive configuration to an active configuration. The switching unit is normally disposed in the inactive configuration until the switching unit is mechanically actuated to the active configuration. The system further includes a mechanical unit mechanically coupling the switching unit to the article of PPE. The mechanical unit mechanically actuates the switching unit from the inactive configuration to the active configuration upon a predetermined movement of the article of PPE corresponding to the fall event of the user. The system further includes an electronic circuit disposed in an off state when the electronic circuit is not electrically powered and disposed in an on state when the electronic circuit is electrically powered.

The present application relates to a kind of self-adapting floating compensation type lug structure and welding tool and method with lug shell, solve the problems existing in the process of installing current thermal battery lug.The top of lug protrusion (3) is provided with a snap nut mounting hole.Welding tool includes lug positioning seat (9), lug positioning block I (7) and lug positioning block II (8), the inner side of lug positioning block II (8) is provided with upper lug clamping groove (4) cooperating with lug middle groove (2), lower lug clamping groove (5) and semicircular clamping groove (6) cooperating with shell, the inner side of lug positioning block I (7) is provided with semicircular clamping groove cooperating with shell, the sidewall of lug positioning block I (7) and lug positioning block II (8) upper lug clamping groove (4), lower lug clamping groove (5) position cooperation place is provided with groove, lug positioning seat (9) is generally L type, lug positioning block II (8) is fixedly installed in lug positioning seat (9), and lug positioning block II (8) is detachably installed on the horizontal bottom plate of lug positioning seat (9).The present application can effectively improve the installation efficiency of thermal battery, reduce the processing difficulty of parts, and effectively reduce production cost.